Code

Cleanup exclude rule setup by using ls-files --exclude-standard flag
[tig.git] / tig.c
diff --git a/tig.c b/tig.c
index eddd86e402ad5faba78622eaf114740496fa8da7..15a42a436bf83e71cc6c0d4e41897fb7e24a05a5 100644 (file)
--- a/tig.c
+++ b/tig.c
 /* ncurses(3): Must be defined to have extended wide-character functions. */
 #define _XOPEN_SOURCE_EXTENDED
 
-#include <curses.h>
+#ifdef HAVE_NCURSESW_NCURSES_H
+#include <ncursesw/ncurses.h>
+#else
+#ifdef HAVE_NCURSES_NCURSES_H
+#include <ncurses/ncurses.h>
+#else
+#include <ncurses.h>
+#endif
+#endif
 
 #if __GNUC__ >= 3
 #define __NORETURN __attribute__((__noreturn__))
@@ -58,7 +66,8 @@ static void warn(const char *msg, ...);
 static void report(const char *msg, ...);
 static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t));
 static void set_nonblocking_input(bool loading);
-static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve);
+static size_t utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool reserve);
+static bool prompt_yesno(const char *prompt);
 
 #define ABS(x)         ((x) >= 0  ? (x) : -(x))
 #define MIN(x, y)      ((x) < (y) ? (x) :  (y))
@@ -77,7 +86,6 @@ static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bo
 #define REVGRAPH_BRANCH        '+'
 #define REVGRAPH_COMMIT        '*'
 #define REVGRAPH_BOUND '^'
-#define REVGRAPH_LINE  '|'
 
 #define SIZEOF_REVGRAPH        19      /* Size of revision ancestry graphics. */
 
@@ -99,7 +107,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bo
 /* The default interval between line numbers. */
 #define NUMBER_INTERVAL        5
 
-#define TABSIZE                8
+#define TAB_SIZE       8
 
 #define        SCALE_SPLIT_VIEW(height)        ((height) * 2 / 3)
 
@@ -110,7 +118,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bo
 #endif
 
 #define TIG_LS_REMOTE \
-       "git ls-remote $(git rev-parse --git-dir) 2>/dev/null"
+       "git ls-remote . 2>/dev/null"
 
 #define TIG_DIFF_CMD \
        "git show --pretty=fuller --no-color --root --patch-with-stat --find-copies-harder -C %s 2>/dev/null"
@@ -118,8 +126,11 @@ static size_t utf8_length(const char *string, size_t max_width, int *trimmed, bo
 #define TIG_LOG_CMD    \
        "git log --no-color --cc --stat -n100 %s 2>/dev/null"
 
+#define TIG_MAIN_BASE \
+       "git log --no-color --pretty=raw --parents --topo-order"
+
 #define TIG_MAIN_CMD \
-       "git log --no-color --topo-order --parents --boundary --pretty=raw %s 2>/dev/null"
+       TIG_MAIN_BASE " %s 2>/dev/null"
 
 #define TIG_TREE_CMD   \
        "git ls-tree %s %s"
@@ -368,7 +379,9 @@ sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src)
        REQ_(TOGGLE_REV_GRAPH,  "Toggle revision graph visualization"), \
        REQ_(TOGGLE_REFS,       "Toggle reference display (tags/branches)"), \
        REQ_(STATUS_UPDATE,     "Update file status"), \
+       REQ_(STATUS_CHECKOUT,   "Checkout file"), \
        REQ_(STATUS_MERGE,      "Merge file using external tool"), \
+       REQ_(STAGE_NEXT,        "Find next chunk to stage"), \
        REQ_(TREE_PARENT,       "Switch to parent directory in tree view"), \
        REQ_(EDIT,              "Open in editor"), \
        REQ_(NONE,              "Do nothing")
@@ -438,11 +451,12 @@ static const char usage[] =
 static bool opt_date                   = TRUE;
 static bool opt_author                 = TRUE;
 static bool opt_line_number            = FALSE;
+static bool opt_line_graphics          = TRUE;
 static bool opt_rev_graph              = FALSE;
 static bool opt_show_refs              = TRUE;
 static int opt_num_interval            = NUMBER_INTERVAL;
-static int opt_tab_size                        = TABSIZE;
-static enum request opt_request                = REQ_VIEW_MAIN;
+static int opt_tab_size                        = TAB_SIZE;
+static int opt_author_cols             = AUTHOR_COLS-1;
 static char opt_cmd[SIZEOF_STR]                = "";
 static char opt_path[SIZEOF_STR]       = "";
 static char opt_file[SIZEOF_STR]       = "";
@@ -461,34 +475,32 @@ static char opt_git_dir[SIZEOF_STR]       = "";
 static signed char opt_is_inside_work_tree     = -1; /* set to TRUE or FALSE */
 static char opt_editor[SIZEOF_STR]     = "";
 
-static bool
+static enum request
 parse_options(int argc, char *argv[])
 {
+       enum request request = REQ_VIEW_MAIN;
        size_t buf_size;
        char *subcommand;
        bool seen_dashdash = FALSE;
        int i;
 
        if (!isatty(STDIN_FILENO)) {
-               opt_request = REQ_VIEW_PAGER;
                opt_pipe = stdin;
-               return TRUE;
+               return REQ_VIEW_PAGER;
        }
 
        if (argc <= 1)
-               return TRUE;
+               return REQ_VIEW_MAIN;
 
        subcommand = argv[1];
        if (!strcmp(subcommand, "status") || !strcmp(subcommand, "-S")) {
-               opt_request = REQ_VIEW_STATUS;
                if (!strcmp(subcommand, "-S"))
                        warn("`-S' has been deprecated; use `tig status' instead");
                if (argc > 2)
                        warn("ignoring arguments after `%s'", subcommand);
-               return TRUE;
+               return REQ_VIEW_STATUS;
 
        } else if (!strcmp(subcommand, "blame")) {
-               opt_request = REQ_VIEW_BLAME;
                if (argc <= 2 || argc > 4)
                        die("invalid number of options to blame\n\n%s", usage);
 
@@ -499,14 +511,13 @@ parse_options(int argc, char *argv[])
                }
 
                string_ncopy(opt_file, argv[i], strlen(argv[i]));
-               return TRUE;
+               return REQ_VIEW_BLAME;
 
        } else if (!strcmp(subcommand, "show")) {
-               opt_request = REQ_VIEW_DIFF;
+               request = REQ_VIEW_DIFF;
 
        } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) {
-               opt_request = subcommand[0] == 'l'
-                           ? REQ_VIEW_LOG : REQ_VIEW_DIFF;
+               request = subcommand[0] == 'l' ? REQ_VIEW_LOG : REQ_VIEW_DIFF;
                warn("`tig %s' has been deprecated", subcommand);
 
        } else {
@@ -516,7 +527,7 @@ parse_options(int argc, char *argv[])
        if (!subcommand)
                /* XXX: This is vulnerable to the user overriding
                 * options required for the main view parser. */
-               string_copy(opt_cmd, "git log --no-color --pretty=raw --boundary --parents");
+               string_copy(opt_cmd, TIG_MAIN_BASE);
        else
                string_format(opt_cmd, "git %s", subcommand);
 
@@ -530,11 +541,11 @@ parse_options(int argc, char *argv[])
 
                } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
                        printf("tig version %s\n", TIG_VERSION);
-                       return FALSE;
+                       return REQ_NONE;
 
                } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
                        printf("%s\n", usage);
-                       return FALSE;
+                       return REQ_NONE;
                }
 
                opt_cmd[buf_size++] = ' ';
@@ -545,7 +556,7 @@ parse_options(int argc, char *argv[])
 
        opt_cmd[buf_size] = 0;
 
-       return TRUE;
+       return request;
 }
 
 
@@ -586,10 +597,10 @@ LINE(DEFAULT,        "",                  COLOR_DEFAULT,  COLOR_DEFAULT,  A_NORMAL), \
 LINE(CURSOR,      "",                  COLOR_WHITE,    COLOR_GREEN,    A_BOLD), \
 LINE(STATUS,      "",                  COLOR_GREEN,    COLOR_DEFAULT,  0), \
 LINE(DELIMITER,           "",                  COLOR_MAGENTA,  COLOR_DEFAULT,  0), \
+LINE(DATE,         "",                 COLOR_BLUE,     COLOR_DEFAULT,  0), \
 LINE(LINE_NUMBER,  "",                 COLOR_CYAN,     COLOR_DEFAULT,  0), \
 LINE(TITLE_BLUR,   "",                 COLOR_WHITE,    COLOR_BLUE,     0), \
 LINE(TITLE_FOCUS,  "",                 COLOR_WHITE,    COLOR_BLUE,     A_BOLD), \
-LINE(MAIN_DATE,    "",                 COLOR_BLUE,     COLOR_DEFAULT,  0), \
 LINE(MAIN_AUTHOR,  "",                 COLOR_GREEN,    COLOR_DEFAULT,  0), \
 LINE(MAIN_COMMIT,  "",                 COLOR_DEFAULT,  COLOR_DEFAULT,  0), \
 LINE(MAIN_TAG,     "",                 COLOR_MAGENTA,  COLOR_DEFAULT,  A_BOLD), \
@@ -607,15 +618,13 @@ LINE(STAT_NONE,    "",                    COLOR_DEFAULT,  COLOR_DEFAULT,  0), \
 LINE(STAT_STAGED,  "",                 COLOR_MAGENTA,  COLOR_DEFAULT,  0), \
 LINE(STAT_UNSTAGED,"",                 COLOR_MAGENTA,  COLOR_DEFAULT,  0), \
 LINE(STAT_UNTRACKED,"",                        COLOR_MAGENTA,  COLOR_DEFAULT,  0), \
-LINE(BLAME_DATE,    "",                        COLOR_BLUE,     COLOR_DEFAULT,  0), \
-LINE(BLAME_AUTHOR,  "",                        COLOR_GREEN,    COLOR_DEFAULT,  0), \
-LINE(BLAME_COMMIT, "",                 COLOR_DEFAULT,  COLOR_DEFAULT,  0), \
 LINE(BLAME_ID,     "",                 COLOR_MAGENTA,  COLOR_DEFAULT,  0)
 
 enum line_type {
 #define LINE(type, line, fg, bg, attr) \
        LINE_##type
-       LINE_INFO
+       LINE_INFO,
+       LINE_NONE
 #undef LINE
 };
 
@@ -734,7 +743,8 @@ static struct keybinding default_keybindings[] = {
        { KEY_UP,       REQ_PREVIOUS },
        { KEY_DOWN,     REQ_NEXT },
        { 'R',          REQ_REFRESH },
-       { 'M',          REQ_MAXIMIZE },
+       { KEY_F(5),     REQ_REFRESH },
+       { 'O',          REQ_MAXIMIZE },
 
        /* Cursor navigation */
        { 'k',          REQ_MOVE_UP },
@@ -771,7 +781,9 @@ static struct keybinding default_keybindings[] = {
        { 'F',          REQ_TOGGLE_REFS },
        { ':',          REQ_PROMPT },
        { 'u',          REQ_STATUS_UPDATE },
+       { '!',          REQ_STATUS_CHECKOUT },
        { 'M',          REQ_STATUS_MERGE },
+       { '@',          REQ_STAGE_NEXT },
        { ',',          REQ_TREE_PARENT },
        { 'e',          REQ_EDIT },
 
@@ -957,22 +969,23 @@ static size_t run_requests;
 static enum request
 add_run_request(enum keymap keymap, int key, int argc, char **argv)
 {
-       struct run_request *tmp;
-       struct run_request req = { keymap, key };
+       struct run_request *req;
+       char cmd[SIZEOF_STR];
        size_t bufpos;
 
        for (bufpos = 0; argc > 0; argc--, argv++)
-               if (!string_format_from(req.cmd, &bufpos, "%s ", *argv))
+               if (!string_format_from(cmd, &bufpos, "%s ", *argv))
                        return REQ_NONE;
 
-       req.cmd[bufpos - 1] = 0;
-
-       tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request));
-       if (!tmp)
+       req = realloc(run_request, (run_requests + 1) * sizeof(*run_request));
+       if (!req)
                return REQ_NONE;
 
-       run_request = tmp;
-       run_request[run_requests++] = req;
+       run_request = req;
+       req = &run_request[run_requests++];
+       string_copy(req->cmd, cmd);
+       req->keymap = keymap;
+       req->key = key;
 
        return REQ_NONE + run_requests;
 }
@@ -1061,6 +1074,9 @@ option_color_command(int argc, char *argv[])
                if (!string_enum_compare(argv[0], "main-delim", strlen("main-delim"))) {
                        info = get_line_info("delimiter");
 
+               } else if (!string_enum_compare(argv[0], "main-date", strlen("main-date"))) {
+                       info = get_line_info("date");
+
                } else {
                        config_msg = "Unknown color name";
                        return ERR;
@@ -1087,6 +1103,14 @@ static bool parse_bool(const char *s)
                !strcmp(s, "yes")) ? TRUE : FALSE;
 }
 
+static int
+parse_int(const char *s, int default_value, int min, int max)
+{
+       int value = atoi(s);
+
+       return (value < min || value > max) ? default_value : value;
+}
+
 /* Wants: name = value */
 static int
 option_set_command(int argc, char *argv[])
@@ -1126,13 +1150,23 @@ option_set_command(int argc, char *argv[])
                return OK;
        }
 
+       if (!strcmp(argv[0], "line-graphics")) {
+               opt_line_graphics = parse_bool(argv[2]);
+               return OK;
+       }
+
        if (!strcmp(argv[0], "line-number-interval")) {
-               opt_num_interval = atoi(argv[2]);
+               opt_num_interval = parse_int(argv[2], opt_num_interval, 1, 1024);
+               return OK;
+       }
+
+       if (!strcmp(argv[0], "author-width")) {
+               opt_author_cols = parse_int(argv[2], opt_author_cols, 0, 1024);
                return OK;
        }
 
        if (!strcmp(argv[0], "tab-size")) {
-               opt_tab_size = atoi(argv[2]);
+               opt_tab_size = parse_int(argv[2], opt_tab_size, 1, 1024);
                return OK;
        }
 
@@ -1391,6 +1425,11 @@ struct view {
        size_t line_size;       /* Total number of used lines */
        unsigned int digits;    /* Number of digits in the lines member. */
 
+       /* Drawing */
+       struct line *curline;   /* Line currently being drawn. */
+       enum line_type curtype; /* Attribute currently used for drawing. */
+       unsigned long col;      /* Column when drawing. */
+
        /* Loading */
        FILE *pipe;
        time_t start_time;
@@ -1404,7 +1443,7 @@ struct view_ops {
        /* Read one line; updates view->line. */
        bool (*read)(struct view *view, char *data);
        /* Draw one line; @lineno must be < view->height. */
-       bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected);
+       bool (*draw)(struct view *view, struct line *line, unsigned int lineno);
        /* Depending on view handle a special requests. */
        enum request (*request)(struct view *view, enum request request, struct line *line);
        /* Search for regex in a line. */
@@ -1451,77 +1490,175 @@ static struct view views[] = {
 #define view_is_displayed(view) \
        (view == display[0] || view == display[1])
 
+
+enum line_graphic {
+       LINE_GRAPHIC_VLINE
+};
+
+static int line_graphics[] = {
+       /* LINE_GRAPHIC_VLINE: */ '|'
+};
+
+static inline void
+set_view_attr(struct view *view, enum line_type type)
+{
+       if (!view->curline->selected && view->curtype != type) {
+               wattrset(view->win, get_line_attr(type));
+               wchgat(view->win, -1, 0, type, NULL);
+               view->curtype = type;
+       }
+}
+
 static int
-draw_text(struct view *view, const char *string, int max_len,
-         bool use_tilde, bool selected)
+draw_chars(struct view *view, enum line_type type, const char *string,
+          int max_len, bool use_tilde)
 {
        int len = 0;
+       int col = 0;
        int trimmed = FALSE;
 
        if (max_len <= 0)
                return 0;
 
        if (opt_utf8) {
-               len = utf8_length(string, max_len, &trimmed, use_tilde);
+               len = utf8_length(string, &col, max_len, &trimmed, use_tilde);
        } else {
-               len = strlen(string);
+               col = len = strlen(string);
                if (len > max_len) {
                        if (use_tilde) {
                                max_len -= 1;
                        }
-                       len = max_len;
+                       col = len = max_len;
                        trimmed = TRUE;
                }
        }
 
+       set_view_attr(view, type);
        waddnstr(view->win, string, len);
        if (trimmed && use_tilde) {
-               if (!selected)
-                       wattrset(view->win, get_line_attr(LINE_DELIMITER));
+               set_view_attr(view, LINE_DELIMITER);
                waddch(view->win, '~');
-               len++;
+               col++;
        }
 
-       return len;
+       return col;
 }
 
 static int
-draw_lineno(struct view *view, unsigned int lineno, int max, bool selected)
+draw_space(struct view *view, enum line_type type, int max, int spaces)
+{
+       static char space[] = "                    ";
+       int col = 0;
+
+       spaces = MIN(max, spaces);
+
+       while (spaces > 0) {
+               int len = MIN(spaces, sizeof(space) - 1);
+
+               col += draw_chars(view, type, space, spaces, FALSE);
+               spaces -= len;
+       }
+
+       return col;
+}
+
+static bool
+draw_lineno(struct view *view, unsigned int lineno)
 {
-       static char fmt[] = "%1ld";
-       char number[10] = "          ";
-       int max_number = MIN(view->digits, STRING_SIZE(number));
-       bool showtrimmed = FALSE;
+       char number[10];
+       int digits3 = view->digits < 3 ? 3 : view->digits;
+       int max_number = MIN(digits3, STRING_SIZE(number));
+       int max = view->width - view->col;
        int col;
 
+       if (max < max_number)
+               max_number = max;
+
        lineno += view->offset + 1;
        if (lineno == 1 || (lineno % opt_num_interval) == 0) {
+               static char fmt[] = "%1ld";
+
                if (view->digits <= 9)
-                       fmt[1] = '0' + view->digits;
+                       fmt[1] = '0' + digits3;
 
                if (!string_format(number, fmt, lineno))
                        number[0] = 0;
-               showtrimmed = TRUE;
+               col = draw_chars(view, LINE_LINE_NUMBER, number, max_number, TRUE);
+       } else {
+               col = draw_space(view, LINE_LINE_NUMBER, max_number, max_number);
        }
 
-       if (max < max_number)
-               max_number = max;
-
-       if (!selected)
-               wattrset(view->win, get_line_attr(LINE_LINE_NUMBER));
-       col = draw_text(view, number, max_number, showtrimmed, selected);
        if (col < max) {
-               if (!selected)
-                       wattrset(view->win, A_NORMAL);
-               waddch(view->win, ACS_VLINE);
+               set_view_attr(view, LINE_DEFAULT);
+               waddch(view->win, line_graphics[LINE_GRAPHIC_VLINE]);
                col++;
        }
-       if (col < max) {
+
+       if (col < max)
+               col += draw_space(view, LINE_DEFAULT, max - col, 1);
+       view->col += col;
+
+       return view->width - view->col <= 0;
+}
+
+static bool
+draw_text(struct view *view, enum line_type type, const char *string, bool trim)
+{
+       view->col += draw_chars(view, type, string, view->width - view->col, trim);
+       return view->width - view->col <= 0;
+}
+
+static bool
+draw_graphic(struct view *view, enum line_type type, chtype graphic[], size_t size)
+{
+       int max = view->width - view->col;
+       int i;
+
+       if (max < size)
+               size = max;
+
+       set_view_attr(view, type);
+       /* Using waddch() instead of waddnstr() ensures that
+        * they'll be rendered correctly for the cursor line. */
+       for (i = 0; i < size; i++)
+               waddch(view->win, graphic[i]);
+
+       view->col += size;
+       if (size < max) {
                waddch(view->win, ' ');
-               col++;
+               view->col++;
        }
 
-       return col;
+       return view->width - view->col <= 0;
+}
+
+static bool
+draw_field(struct view *view, enum line_type type, char *text, int len, bool trim)
+{
+       int max = MIN(view->width - view->col, len);
+       int col;
+
+       if (text)
+               col = draw_chars(view, type, text, max - 1, trim);
+       else
+               col = draw_space(view, type, max - 1, max - 1);
+
+       view->col += col + draw_space(view, LINE_DEFAULT, max - col, max - col);
+       return view->width - view->col <= 0;
+}
+
+static bool
+draw_date(struct view *view, struct tm *time)
+{
+       char buf[DATE_COLS];
+       char *date;
+       int timelen = 0;
+
+       if (time)
+               timelen = strftime(buf, sizeof(buf), DATE_FORMAT, time);
+       date = timelen ? buf : NULL;
+
+       return draw_field(view, LINE_DATE, date, DATE_COLS, FALSE);
 }
 
 static bool
@@ -1538,17 +1675,22 @@ draw_view_line(struct view *view, unsigned int lineno)
 
        line = &view->line[view->offset + lineno];
 
+       wmove(view->win, lineno, 0);
+       view->col = 0;
+       view->curline = line;
+       view->curtype = LINE_NONE;
+       line->selected = FALSE;
+
        if (selected) {
+               set_view_attr(view, LINE_CURSOR);
                line->selected = TRUE;
                view->ops->select(view, line);
        } else if (line->selected) {
-               line->selected = FALSE;
-               wmove(view->win, lineno, 0);
                wclrtoeol(view->win);
        }
 
        scrollok(view->win, FALSE);
-       draw_ok = view->ops->draw(view, line, lineno, selected);
+       draw_ok = view->ops->draw(view, line, lineno);
        scrollok(view->win, TRUE);
 
        return draw_ok;
@@ -2037,10 +2179,13 @@ search_view(struct view *view, enum request request)
  */
 
 static void
-end_update(struct view *view)
+end_update(struct view *view, bool force)
 {
        if (!view->pipe)
                return;
+       while (!view->ops->read(view, NULL))
+               if (!force)
+                       return;
        set_nonblocking_input(FALSE);
        if (view->pipe == stdin)
                fclose(view->pipe);
@@ -2052,9 +2197,6 @@ end_update(struct view *view)
 static bool
 begin_update(struct view *view)
 {
-       if (view->pipe)
-               end_update(view);
-
        if (opt_cmd[0]) {
                string_copy(view->cmd, opt_cmd);
                opt_cmd[0] = 0;
@@ -2256,23 +2398,20 @@ update_view(struct view *view)
        update_view_title(view);
 
 check_pipe:
-       if (ferror(view->pipe)) {
+       if (ferror(view->pipe) && errno != 0) {
                report("Failed to read: %s", strerror(errno));
-               goto end;
+               end_update(view, TRUE);
 
        } else if (feof(view->pipe)) {
                report("");
-               goto end;
+               end_update(view, FALSE);
        }
 
        return TRUE;
 
 alloc_error:
        report("Allocation failure");
-
-end:
-       if (view->ops->read(view, NULL))
-               end_update(view);
+       end_update(view, TRUE);
        return FALSE;
 }
 
@@ -2307,6 +2446,7 @@ enum open_flags {
        OPEN_SPLIT = 1,         /* Split current view. */
        OPEN_BACKGROUNDED = 2,  /* Backgrounded. */
        OPEN_RELOAD = 4,        /* Reload view even if it is the current. */
+       OPEN_NOMAXIMIZE = 8     /* Do not maximize the current view. */
 };
 
 static void
@@ -2315,6 +2455,7 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
        bool backgrounded = !!(flags & OPEN_BACKGROUNDED);
        bool split = !!(flags & OPEN_SPLIT);
        bool reload = !!(flags & OPEN_RELOAD);
+       bool nomaximize = !!(flags & OPEN_NOMAXIMIZE);
        struct view *view = VIEW(request);
        int nviews = displayed_views();
        struct view *base_view = display[0];
@@ -2333,7 +2474,7 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
                display[1] = view;
                if (!backgrounded)
                        current_view = 1;
-       } else {
+       } else if (!nomaximize) {
                /* Maximize the current view. */
                memset(display, 0, sizeof(display));
                current_view = 0;
@@ -2346,6 +2487,9 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
            (nviews == 1 && base_view != display[0]))
                resize_display();
 
+       if (view->pipe)
+               end_update(view, TRUE);
+
        if (view->ops->open) {
                if (!view->ops->open(view)) {
                        report("Failed to load %s view", view->name);
@@ -2392,6 +2536,14 @@ open_view(struct view *prev, enum request request, enum open_flags flags)
                update_view_title(view);
 }
 
+static void
+run_confirm(const char *cmd, const char *prompt)
+{
+       if (prompt_yesno(prompt)) {
+               system(cmd);
+       }
+}
+
 static void
 open_external_viewer(const char *cmd)
 {
@@ -2506,7 +2658,13 @@ view_driver(struct view *view, enum request request)
 
        if (request > REQ_NONE) {
                open_run_request(request);
-               return TRUE;
+               /* FIXME: When all views can refresh always do this. */
+               if (view == VIEW(REQ_VIEW_STATUS) ||
+                   view == VIEW(REQ_VIEW_MAIN) ||
+                   view == VIEW(REQ_VIEW_STAGE))
+                       request = REQ_REFRESH;
+               else
+                       return TRUE;
        }
 
        if (view && view->lines) {
@@ -2662,11 +2820,6 @@ view_driver(struct view *view, enum request request)
                redraw_display();
                break;
 
-       case REQ_PROMPT:
-               /* Always reload^Wrerun commands from the prompt. */
-               open_view(view, opt_request, OPEN_RELOAD);
-               break;
-
        case REQ_SEARCH:
        case REQ_SEARCH_BACK:
                search_view(view, request);
@@ -2682,7 +2835,7 @@ view_driver(struct view *view, enum request request)
                        view = &views[i];
                        if (view->pipe)
                                report("Stopped loading the %s view", view->name),
-                       end_update(view);
+                       end_update(view, TRUE);
                }
                break;
 
@@ -2701,12 +2854,10 @@ view_driver(struct view *view, enum request request)
                report("Nothing to edit");
                break;
 
-
        case REQ_ENTER:
                report("Nothing to enter");
                break;
 
-
        case REQ_VIEW_CLOSE:
                /* XXX: Mark closed views by letting view->parent point to the
                 * view itself. Parents to closed view should never be
@@ -2740,61 +2891,14 @@ view_driver(struct view *view, enum request request)
  */
 
 static bool
-pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
+pager_draw(struct view *view, struct line *line, unsigned int lineno)
 {
-       static char spaces[] = "                    ";
        char *text = line->data;
-       enum line_type type = line->type;
-       int attr = A_NORMAL;
-       int col = 0;
-
-       wmove(view->win, lineno, 0);
-
-       if (selected) {
-               type = LINE_CURSOR;
-               wchgat(view->win, -1, 0, type, NULL);
-               attr = get_line_attr(type);
-       }
-       wattrset(view->win, attr);
-
-       if (opt_line_number) {
-               col += draw_lineno(view, lineno, view->width, selected);
-               if (col >= view->width)
-                       return TRUE;
-       }
-
-       if (!selected) {
-               attr = get_line_attr(type);
-               wattrset(view->win, attr);
-       }
-       if (opt_tab_size < TABSIZE) {
-               int col_offset = col;
-
-               col = 0;
-               while (text && col_offset + col < view->width) {
-                       int cols_max = view->width - col_offset - col;
-                       char *pos = text;
-                       int cols;
-
-                       if (*text == '\t') {
-                               text++;
-                               assert(sizeof(spaces) > TABSIZE);
-                               pos = spaces;
-                               cols = opt_tab_size - (col % opt_tab_size);
-
-                       } else {
-                               text = strchr(text, '\t');
-                               cols = line ? text - pos : strlen(pos);
-                       }
-
-                       waddnstr(view->win, pos, MIN(cols, cols_max));
-                       col += cols;
-               }
 
-       } else {
-               draw_text(view, text, view->width - col, TRUE, selected);
-       }
+       if (opt_line_number && draw_lineno(view, lineno))
+               return TRUE;
 
+       draw_text(view, line->type, text, TRUE);
        return TRUE;
 }
 
@@ -3481,6 +3585,8 @@ blame_read_file(struct view *view, char *line)
 
                if (view->lines > 0)
                        pipe = popen(view->cmd, "r");
+               else if (!view->parent)
+                       die("No blame exist for %s", view->vid);
                view->cmd[0] = 0;
                if (!pipe) {
                        report("Failed to load blame data");
@@ -3495,13 +3601,10 @@ blame_read_file(struct view *view, char *line)
                size_t linelen = strlen(line);
                struct blame *blame = malloc(sizeof(*blame) + linelen);
 
-               if (!line)
-                       return FALSE;
-
                blame->commit = NULL;
                strncpy(blame->text, line, linelen);
                blame->text[linelen] = 0;
-               return add_line_data(view, blame, LINE_BLAME_COMMIT) != NULL;
+               return add_line_data(view, blame, LINE_BLAME_ID) != NULL;
        }
 }
 
@@ -3576,74 +3679,32 @@ blame_read(struct view *view, char *line)
 }
 
 static bool
-blame_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
+blame_draw(struct view *view, struct line *line, unsigned int lineno)
 {
        struct blame *blame = line->data;
-       int col = 0;
+       struct tm *time = NULL;
+       char *id = NULL, *author = NULL;
 
-       wmove(view->win, lineno, 0);
-
-       if (selected) {
-               wattrset(view->win, get_line_attr(LINE_CURSOR));
-               wchgat(view->win, -1, 0, LINE_CURSOR, NULL);
-       } else {
-               wattrset(view->win, A_NORMAL);
+       if (blame->commit && *blame->commit->filename) {
+               id = blame->commit->id;
+               author = blame->commit->author;
+               time = &blame->commit->time;
        }
 
-       if (opt_date) {
-               int n;
-
-               if (!selected)
-                       wattrset(view->win, get_line_attr(LINE_MAIN_DATE));
-               if (blame->commit) {
-                       char buf[DATE_COLS + 1];
-                       int timelen;
-
-                       timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &blame->commit->time);
-                       n = draw_text(view, buf, view->width - col, FALSE, selected);
-                       draw_text(view, " ", view->width - col - n, FALSE, selected);
-               }
-
-               col += DATE_COLS;
-               wmove(view->win, lineno, col);
-               if (col >= view->width)
-                       return TRUE;
-       }
-
-       if (opt_author) {
-               int max = MIN(AUTHOR_COLS - 1, view->width - col);
-
-               if (!selected)
-                       wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR));
-               if (blame->commit)
-                       draw_text(view, blame->commit->author, max, TRUE, selected);
-               col += AUTHOR_COLS;
-               if (col >= view->width)
-                       return TRUE;
-               wmove(view->win, lineno, col);
-       }
+       if (opt_date && draw_date(view, time))
+               return TRUE;
 
-       {
-               int max = MIN(ID_COLS - 1, view->width - col);
-
-               if (!selected)
-                       wattrset(view->win, get_line_attr(LINE_BLAME_ID));
-               if (blame->commit)
-                       draw_text(view, blame->commit->id, max, FALSE, -1);
-               col += ID_COLS;
-               if (col >= view->width)
-                       return TRUE;
-               wmove(view->win, lineno, col);
-       }
+       if (opt_author &&
+           draw_field(view, LINE_MAIN_AUTHOR, author, opt_author_cols, TRUE))
+               return TRUE;
 
-       {
-               col += draw_lineno(view, lineno, view->width - col, selected);
-               if (col >= view->width)
-                       return TRUE;
-       }
+       if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
+               return TRUE;
 
-       col += draw_text(view, blame->text, view->width - col, TRUE, selected);
+       if (draw_lineno(view, lineno))
+               return TRUE;
 
+       draw_text(view, LINE_DEFAULT, blame->text, TRUE);
        return TRUE;
 }
 
@@ -3685,23 +3746,23 @@ blame_grep(struct view *view, struct line *line)
        struct blame_commit *commit = blame->commit;
        regmatch_t pmatch;
 
-#define MATCH(text) \
-       (*text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
+#define MATCH(text, on)                                                        \
+       (on && *text && regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
 
        if (commit) {
                char buf[DATE_COLS + 1];
 
-               if (MATCH(commit->title) ||
-                   MATCH(commit->author) ||
-                   MATCH(commit->id))
+               if (MATCH(commit->title, 1) ||
+                   MATCH(commit->author, opt_author) ||
+                   MATCH(commit->id, opt_date))
                        return TRUE;
 
                if (strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time) &&
-                   MATCH(buf))
+                   MATCH(buf, 1))
                        return TRUE;
        }
 
-       return MATCH(blame->text);
+       return MATCH(blame->text, 1);
 
 #undef MATCH
 }
@@ -3752,6 +3813,8 @@ struct status {
 static char status_onbranch[SIZEOF_STR];
 static struct status stage_status;
 static enum line_type stage_line_type;
+static size_t stage_chunks;
+static int *stage_chunk;
 
 /* Get fields from the diff line:
  * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
@@ -3904,9 +3967,9 @@ error_out:
 #define STATUS_DIFF_INDEX_CMD "git diff-index -z --diff-filter=ACDMRTXB --cached -M HEAD"
 #define STATUS_DIFF_FILES_CMD "git diff-files -z"
 #define STATUS_LIST_OTHER_CMD \
-       "git ls-files -z --others --exclude-per-directory=.gitignore"
+       "git ls-files -z --others --exclude-standard"
 #define STATUS_LIST_NO_HEAD_CMD \
-       "git ls-files -z --cached --exclude-per-directory=.gitignore"
+       "git ls-files -z --cached --exclude-standard"
 
 #define STATUS_DIFF_INDEX_SHOW_CMD \
        "git diff-index --root --patch-with-stat -C -M --cached HEAD -- %s %s 2>/dev/null"
@@ -3923,12 +3986,7 @@ error_out:
 static bool
 status_open(struct view *view)
 {
-       struct stat statbuf;
-       char exclude[SIZEOF_STR];
-       char indexcmd[SIZEOF_STR] = STATUS_DIFF_INDEX_CMD;
-       char othercmd[SIZEOF_STR] = STATUS_LIST_OTHER_CMD;
        unsigned long prev_lineno = view->lineno;
-       char indexstatus = 0;
        size_t i;
 
        for (i = 0; i < view->lines; i++)
@@ -3948,33 +4006,16 @@ status_open(struct view *view)
        else if (!string_format(status_onbranch, "On branch %s", opt_head))
                return FALSE;
 
-       if (opt_no_head) {
-               string_copy(indexcmd, STATUS_LIST_NO_HEAD_CMD);
-               indexstatus = 'A';
-       }
+       system("git update-index -q --refresh >/dev/null 2>/dev/null");
 
-       if (!string_format(exclude, "%s/info/exclude", opt_git_dir))
+       if (opt_no_head &&
+           !status_run(view, STATUS_LIST_NO_HEAD_CMD, 'A', LINE_STAT_STAGED))
+               return FALSE;
+       else if (!status_run(view, STATUS_DIFF_INDEX_CMD, 0, LINE_STAT_STAGED))
                return FALSE;
 
-       if (stat(exclude, &statbuf) >= 0) {
-               size_t cmdsize = strlen(othercmd);
-
-               if (!string_format_from(othercmd, &cmdsize, " %s", "--exclude-from=") ||
-                   sq_quote(othercmd, cmdsize, exclude) >= sizeof(othercmd))
-                       return FALSE;
-
-               cmdsize = strlen(indexcmd);
-               if (opt_no_head &&
-                   (!string_format_from(indexcmd, &cmdsize, " %s", "--exclude-from=") ||
-                    sq_quote(indexcmd, cmdsize, exclude) >= sizeof(indexcmd)))
-                       return FALSE;
-       }
-
-       system("git update-index -q --refresh");
-
-       if (!status_run(view, indexcmd, indexstatus, LINE_STAT_STAGED) ||
-           !status_run(view, STATUS_DIFF_FILES_CMD, 0, LINE_STAT_UNSTAGED) ||
-           !status_run(view, othercmd, '?', LINE_STAT_UNTRACKED))
+       if (!status_run(view, STATUS_DIFF_FILES_CMD, 0, LINE_STAT_UNSTAGED) ||
+           !status_run(view, STATUS_LIST_OTHER_CMD, '?', LINE_STAT_UNTRACKED))
                return FALSE;
 
        /* If all went well restore the previous line number to stay in
@@ -4002,49 +4043,36 @@ status_open(struct view *view)
 }
 
 static bool
-status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
+status_draw(struct view *view, struct line *line, unsigned int lineno)
 {
        struct status *status = line->data;
+       enum line_type type;
        char *text;
-       int col = 0;
-
-       wmove(view->win, lineno, 0);
-
-       if (selected) {
-               wattrset(view->win, get_line_attr(LINE_CURSOR));
-               wchgat(view->win, -1, 0, LINE_CURSOR, NULL);
-
-       } else if (line->type == LINE_STAT_HEAD) {
-               wattrset(view->win, get_line_attr(LINE_STAT_HEAD));
-               wchgat(view->win, -1, 0, LINE_STAT_HEAD, NULL);
-
-       } else if (!status && line->type != LINE_STAT_NONE) {
-               wattrset(view->win, get_line_attr(LINE_STAT_SECTION));
-               wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL);
-
-       } else {
-               wattrset(view->win, get_line_attr(line->type));
-       }
 
        if (!status) {
                switch (line->type) {
                case LINE_STAT_STAGED:
+                       type = LINE_STAT_SECTION;
                        text = "Changes to be committed:";
                        break;
 
                case LINE_STAT_UNSTAGED:
+                       type = LINE_STAT_SECTION;
                        text = "Changed but not updated:";
                        break;
 
                case LINE_STAT_UNTRACKED:
+                       type = LINE_STAT_SECTION;
                        text = "Untracked files:";
                        break;
 
                case LINE_STAT_NONE:
+                       type = LINE_DEFAULT;
                        text = "    (no files)";
                        break;
 
                case LINE_STAT_HEAD:
+                       type = LINE_STAT_HEAD;
                        text = status_onbranch;
                        break;
 
@@ -4052,15 +4080,16 @@ status_draw(struct view *view, struct line *line, unsigned int lineno, bool sele
                        return FALSE;
                }
        } else {
-               char buf[] = { status->status, ' ', ' ', ' ', 0 };
+               static char buf[] = { '?', ' ', ' ', ' ', 0 };
 
-               col += draw_text(view, buf, view->width, TRUE, selected);
-               if (!selected)
-                       wattrset(view->win, A_NORMAL);
+               buf[0] = status->status;
+               if (draw_text(view, line->type, buf, TRUE))
+                       return TRUE;
+               type = LINE_DEFAULT;
                text = status->new.name;
        }
 
-       draw_text(view, text, view->width - col, TRUE, selected);
+       draw_text(view, type, text, TRUE);
        return TRUE;
 }
 
@@ -4072,6 +4101,7 @@ status_enter(struct view *view, struct line *line)
        char newpath[SIZEOF_STR] = "";
        char *info;
        size_t cmdsize = 0;
+       enum open_flags split;
 
        if (line->type == LINE_STAT_NONE ||
            (!status && line[1].type == LINE_STAT_NONE)) {
@@ -4144,7 +4174,8 @@ status_enter(struct view *view, struct line *line)
                die("line type %d not handled in switch", line->type);
        }
 
-       open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT);
+       split = view_is_displayed(view) ? OPEN_SPLIT : 0;
+       open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | split);
        if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
                if (status) {
                        stage_status = *status;
@@ -4153,12 +4184,30 @@ status_enter(struct view *view, struct line *line)
                }
 
                stage_line_type = line->type;
+               stage_chunks = 0;
                string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.new.name);
        }
 
        return REQ_NONE;
 }
 
+static bool
+status_exists(struct status *status, enum line_type type)
+{
+       struct view *view = VIEW(REQ_VIEW_STATUS);
+       struct line *line;
+
+       for (line = view->line; line < view->line + view->lines; line++) {
+               struct status *pos = line->data;
+
+               if (line->type == type && pos &&
+                   !strcmp(status->new.name, pos->new.name))
+                       return TRUE;
+       }
+
+       return FALSE;
+}
+
 
 static FILE *
 status_update_prepare(enum line_type type)
@@ -4280,16 +4329,53 @@ status_update(struct view *view)
                        return FALSE;
                }
 
-               if (!status_update_files(view, line + 1))
+               if (!status_update_files(view, line + 1)) {
                        report("Failed to update file status");
+                       return FALSE;
+               }
 
        } else if (!status_update_file(line->data, line->type)) {
                report("Failed to update file status");
+               return FALSE;
        }
 
        return TRUE;
 }
 
+static bool
+status_checkout(struct view *view)
+{
+       struct line *line = &view->line[view->lineno];
+
+       assert(view->lines);
+
+       if (!line->data || line->type != LINE_STAT_UNSTAGED) {
+               /* This should work even for the "On branch" line. */
+               if (line < view->line + view->lines && !line[1].data) {
+                       report("Nothing to checkout");
+               } else if (line->type == LINE_STAT_UNTRACKED) {
+                       report("Cannot checkout untracked files");
+               } else if (line->type == LINE_STAT_STAGED) {
+                       report("Cannot checkout staged files");
+               } else {
+                       report("Cannot checkout multiple files");
+               }
+               return FALSE;
+
+       } else {
+               struct status *status = line->data;
+               char cmd[SIZEOF_STR];
+               char file_sq[SIZEOF_STR];
+
+               if (sq_quote(file_sq, 0, status->old.name) < sizeof(file_sq) &&
+                   string_format(cmd, "git checkout %s%s", opt_cdup, file_sq)) {
+                       run_confirm(cmd, "Are you sure you want to overwrite any changes?");
+               }
+
+               return TRUE;
+       }
+}
+
 static enum request
 status_request(struct view *view, enum request request, struct line *line)
 {
@@ -4301,6 +4387,11 @@ status_request(struct view *view, enum request request, struct line *line)
                        return REQ_NONE;
                break;
 
+       case REQ_STATUS_CHECKOUT:
+               if (!status_checkout(view))
+                       return REQ_NONE;
+               break;
+
        case REQ_STATUS_MERGE:
                if (!status || status->status != 'U') {
                        report("Merging only possible for files with unmerged status ('U').");
@@ -4449,36 +4540,39 @@ stage_diff_line(FILE *pipe, struct line *line)
        return written == bufsize;
 }
 
-static struct line *
-stage_diff_hdr(struct view *view, struct line *line)
+static bool
+stage_diff_write(FILE *pipe, struct line *line, struct line *end)
 {
-       int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1;
-       struct line *diff_hdr;
-
-       if (line->type == LINE_DIFF_CHUNK)
-               diff_hdr = line - 1;
-       else
-               diff_hdr = view->line + 1;
+       while (line < end) {
+               if (!stage_diff_line(pipe, line++))
+                       return FALSE;
+               if (line->type == LINE_DIFF_CHUNK ||
+                   line->type == LINE_DIFF_HEADER)
+                       break;
+       }
 
-       while (diff_hdr > view->line && diff_hdr < view->line + view->lines) {
-               if (diff_hdr->type == LINE_DIFF_HEADER)
-                       return diff_hdr;
+       return TRUE;
+}
 
-               diff_hdr += diff_hdr_dir;
-       }
+static struct line *
+stage_diff_find(struct view *view, struct line *line, enum line_type type)
+{
+       for (; view->line < line; line--)
+               if (line->type == type)
+                       return line;
 
        return NULL;
 }
 
 static bool
-stage_update_chunk(struct view *view, struct line *line)
+stage_update_chunk(struct view *view, struct line *chunk)
 {
        char cmd[SIZEOF_STR];
        size_t cmdsize = 0;
-       struct line *diff_hdr, *diff_chunk, *diff_end;
+       struct line *diff_hdr;
        FILE *pipe;
 
-       diff_hdr = stage_diff_hdr(view, line);
+       diff_hdr = stage_diff_find(view, chunk, LINE_DIFF_HEADER);
        if (!diff_hdr)
                return FALSE;
 
@@ -4496,69 +4590,83 @@ stage_update_chunk(struct view *view, struct line *line)
        if (!pipe)
                return FALSE;
 
-       diff_end = view->line + view->lines;
-       if (line->type != LINE_DIFF_CHUNK) {
-               diff_chunk = diff_hdr;
+       if (!stage_diff_write(pipe, diff_hdr, chunk) ||
+           !stage_diff_write(pipe, chunk, view->line + view->lines))
+               chunk = NULL;
 
-       } else {
-               for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++)
-                       if (diff_chunk->type == LINE_DIFF_CHUNK ||
-                           diff_chunk->type == LINE_DIFF_HEADER)
-                               diff_end = diff_chunk;
-
-               diff_chunk = line;
-
-               while (diff_hdr->type != LINE_DIFF_CHUNK) {
-                       switch (diff_hdr->type) {
-                       case LINE_DIFF_HEADER:
-                       case LINE_DIFF_INDEX:
-                       case LINE_DIFF_ADD:
-                       case LINE_DIFF_DEL:
-                               break;
+       pclose(pipe);
 
-                       default:
-                               diff_hdr++;
-                               continue;
-                       }
+       return chunk ? TRUE : FALSE;
+}
 
-                       if (!stage_diff_line(pipe, diff_hdr++)) {
-                               pclose(pipe);
-                               return FALSE;
-                       }
+static bool
+stage_update(struct view *view, struct line *line)
+{
+       struct line *chunk = NULL;
+
+       if (!opt_no_head && stage_line_type != LINE_STAT_UNTRACKED)
+               chunk = stage_diff_find(view, line, LINE_DIFF_CHUNK);
+
+       if (chunk) {
+               if (!stage_update_chunk(view, chunk)) {
+                       report("Failed to apply chunk");
+                       return FALSE;
                }
-       }
 
-       while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk))
-               diff_chunk++;
+       } else if (!stage_status.status) {
+               view = VIEW(REQ_VIEW_STATUS);
 
-       pclose(pipe);
+               for (line = view->line; line < view->line + view->lines; line++)
+                       if (line->type == stage_line_type)
+                               break;
 
-       if (diff_chunk != diff_end)
+               if (!status_update_files(view, line + 1)) {
+                       report("Failed to update files");
+                       return FALSE;
+               }
+
+       } else if (!status_update_file(&stage_status, stage_line_type)) {
+               report("Failed to update file");
                return FALSE;
+       }
 
        return TRUE;
 }
 
 static void
-stage_update(struct view *view, struct line *line)
+stage_next(struct view *view, struct line *line)
 {
-       if (!opt_no_head && stage_line_type != LINE_STAT_UNTRACKED &&
-           (line->type == LINE_DIFF_CHUNK || !stage_status.status)) {
-               if (!stage_update_chunk(view, line)) {
-                       report("Failed to apply chunk");
-                       return;
-               }
+       int i;
 
-       } else if (!status_update_file(&stage_status, stage_line_type)) {
-               report("Failed to update file");
-               return;
+       if (!stage_chunks) {
+               static size_t alloc = 0;
+               int *tmp;
+
+               for (line = view->line; line < view->line + view->lines; line++) {
+                       if (line->type != LINE_DIFF_CHUNK)
+                               continue;
+
+                       tmp = realloc_items(stage_chunk, &alloc,
+                                           stage_chunks, sizeof(*tmp));
+                       if (!tmp) {
+                               report("Allocation failure");
+                               return;
+                       }
+
+                       stage_chunk = tmp;
+                       stage_chunk[stage_chunks++] = line - view->line;
+               }
        }
 
-       open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
+       for (i = 0; i < stage_chunks; i++) {
+               if (stage_chunk[i] > view->lineno) {
+                       do_scroll_view(view, stage_chunk[i] - view->lineno);
+                       report("Chunk %d of %d", i + 1, stage_chunks);
+                       return;
+               }
+       }
 
-       view = VIEW(REQ_VIEW_STATUS);
-       if (view_is_displayed(view))
-               status_enter(view, &view->line[view->lineno]);
+       report("No next chunk found");
 }
 
 static enum request
@@ -4566,9 +4674,19 @@ stage_request(struct view *view, enum request request, struct line *line)
 {
        switch (request) {
        case REQ_STATUS_UPDATE:
-               stage_update(view, line);
+               if (!stage_update(view, line))
+                       return REQ_NONE;
                break;
 
+       case REQ_STAGE_NEXT:
+               if (stage_line_type == LINE_STAT_UNTRACKED) {
+                       report("File is untracked; press %s to add",
+                              get_key(REQ_STATUS_UPDATE));
+                       return REQ_NONE;
+               }
+               stage_next(view, line);
+               return REQ_NONE;
+
        case REQ_EDIT:
                if (!stage_status.new.name[0])
                        return request;
@@ -4576,6 +4694,10 @@ stage_request(struct view *view, enum request request, struct line *line)
                open_editor(stage_status.status != '?', stage_status.new.name);
                break;
 
+       case REQ_REFRESH:
+               /* Reload everything ... */
+               break;
+
        case REQ_VIEW_BLAME:
                if (stage_status.new.name[0]) {
                        string_copy(opt_file, stage_status.new.name);
@@ -4584,13 +4706,25 @@ stage_request(struct view *view, enum request request, struct line *line)
                return request;
 
        case REQ_ENTER:
-               pager_request(view, request, line);
-               break;
+               return pager_request(view, request, line);
 
        default:
                return request;
        }
 
+       open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD | OPEN_NOMAXIMIZE);
+
+       /* Check whether the staged entry still exists, and close the
+        * stage view if it doesn't. */
+       if (!status_exists(&stage_status, stage_line_type))
+               return REQ_VIEW_CLOSE;
+
+       if (stage_line_type == LINE_STAT_UNTRACKED)
+               opt_pipe = fopen(stage_status.new.name, "r");
+       else
+               string_copy(opt_cmd, view->cmd);
+       open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_NOMAXIMIZE);
+
        return REQ_NONE;
 }
 
@@ -4658,6 +4792,15 @@ append_to_rev_graph(struct rev_graph *graph, chtype symbol)
                commit->graph[commit->graph_size++] = symbol;
 }
 
+static void
+clear_rev_graph(struct rev_graph *graph)
+{
+       graph->boundary = 0;
+       graph->size = graph->pos = 0;
+       graph->commit = NULL;
+       memset(graph->parents, 0, sizeof(*graph->parents));
+}
+
 static void
 done_rev_graph(struct rev_graph *graph)
 {
@@ -4674,9 +4817,7 @@ done_rev_graph(struct rev_graph *graph)
                }
        }
 
-       graph->size = graph->pos = 0;
-       graph->commit = NULL;
-       memset(graph->parents, 0, sizeof(*graph->parents));
+       clear_rev_graph(graph);
 }
 
 static void
@@ -4724,7 +4865,7 @@ draw_rev_graph(struct rev_graph *graph)
        };
        enum { DEFAULT, RSHARP, RDIAG, LDIAG };
        static struct rev_filler fillers[] = {
-               { ' ',  REVGRAPH_LINE },
+               { ' ',  '|' },
                { '`',  '.' },
                { '\'', ' ' },
                { '/',  ' ' },
@@ -4733,6 +4874,9 @@ draw_rev_graph(struct rev_graph *graph)
        struct rev_filler *filler;
        size_t i;
 
+       if (opt_line_graphics)
+               fillers[DEFAULT].line = line_graphics[LINE_GRAPHIC_VLINE];
+
        filler = &fillers[DEFAULT];
 
        for (i = 0; i < graph->pos; i++) {
@@ -4816,116 +4960,54 @@ update_rev_graph(struct rev_graph *graph)
  */
 
 static bool
-main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
+main_draw(struct view *view, struct line *line, unsigned int lineno)
 {
-       char buf[DATE_COLS + 1];
        struct commit *commit = line->data;
-       enum line_type type;
-       int col = 0;
-       size_t timelen;
-       int space;
 
        if (!*commit->author)
                return FALSE;
 
-       space = view->width;
-       wmove(view->win, lineno, col);
-
-       if (selected) {
-               type = LINE_CURSOR;
-               wattrset(view->win, get_line_attr(type));
-               wchgat(view->win, -1, 0, type, NULL);
-       } else {
-               type = LINE_MAIN_COMMIT;
-               wattrset(view->win, get_line_attr(LINE_MAIN_DATE));
-       }
-
-       if (opt_date) {
-               int n;
-
-               timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time);
-               n = draw_text(view, buf, view->width - col, FALSE, selected);
-               draw_text(view, " ", view->width - col - n, FALSE, selected);
-
-               col += DATE_COLS;
-               wmove(view->win, lineno, col);
-               if (col >= view->width)
-                       return TRUE;
-       }
-       if (type != LINE_CURSOR)
-               wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR));
-
-       if (opt_author) {
-               int max_len;
-
-               max_len = view->width - col;
-               if (max_len > AUTHOR_COLS - 1)
-                       max_len = AUTHOR_COLS - 1;
-               draw_text(view, commit->author, max_len, TRUE, selected);
-               col += AUTHOR_COLS;
-               if (col >= view->width)
-                       return TRUE;
-       }
-
-       if (opt_rev_graph && commit->graph_size) {
-               size_t graph_size = view->width - col;
-               size_t i;
-
-               if (type != LINE_CURSOR)
-                       wattrset(view->win, get_line_attr(LINE_MAIN_REVGRAPH));
-               wmove(view->win, lineno, col);
-               if (graph_size > commit->graph_size)
-                       graph_size = commit->graph_size;
-               /* Using waddch() instead of waddnstr() ensures that
-                * they'll be rendered correctly for the cursor line. */
-               for (i = 0; i < graph_size; i++)
-                       waddch(view->win, commit->graph[i]);
+       if (opt_date && draw_date(view, &commit->time))
+               return TRUE;
 
-               col += commit->graph_size + 1;
-               if (col >= view->width)
-                       return TRUE;
-               waddch(view->win, ' ');
-       }
-       if (type != LINE_CURSOR)
-               wattrset(view->win, A_NORMAL);
+       if (opt_author &&
+           draw_field(view, LINE_MAIN_AUTHOR, commit->author, opt_author_cols, TRUE))
+               return TRUE;
 
-       wmove(view->win, lineno, col);
+       if (opt_rev_graph && commit->graph_size &&
+           draw_graphic(view, LINE_MAIN_REVGRAPH, commit->graph, commit->graph_size))
+               return TRUE;
 
        if (opt_show_refs && commit->refs) {
                size_t i = 0;
 
                do {
-                       if (type == LINE_CURSOR)
-                               ;
-                       else if (commit->refs[i]->head)
-                               wattrset(view->win, get_line_attr(LINE_MAIN_HEAD));
+                       enum line_type type;
+
+                       if (commit->refs[i]->head)
+                               type = LINE_MAIN_HEAD;
                        else if (commit->refs[i]->ltag)
-                               wattrset(view->win, get_line_attr(LINE_MAIN_LOCAL_TAG));
+                               type = LINE_MAIN_LOCAL_TAG;
                        else if (commit->refs[i]->tag)
-                               wattrset(view->win, get_line_attr(LINE_MAIN_TAG));
+                               type = LINE_MAIN_TAG;
                        else if (commit->refs[i]->tracked)
-                               wattrset(view->win, get_line_attr(LINE_MAIN_TRACKED));
+                               type = LINE_MAIN_TRACKED;
                        else if (commit->refs[i]->remote)
-                               wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE));
+                               type = LINE_MAIN_REMOTE;
                        else
-                               wattrset(view->win, get_line_attr(LINE_MAIN_REF));
-
-                       col += draw_text(view, "[", view->width - col, TRUE, selected);
-                       col += draw_text(view, commit->refs[i]->name, view->width - col,
-                                        TRUE, selected);
-                       col += draw_text(view, "]", view->width - col, TRUE, selected);
-                       if (type != LINE_CURSOR)
-                               wattrset(view->win, A_NORMAL);
-                       col += draw_text(view, " ", view->width - col, TRUE, selected);
-                       if (col >= view->width)
+                               type = LINE_MAIN_REF;
+
+                       if (draw_text(view, type, "[", TRUE) ||
+                           draw_text(view, type, commit->refs[i]->name, TRUE) ||
+                           draw_text(view, type, "]", TRUE))
+                               return TRUE;
+
+                       if (draw_text(view, LINE_DEFAULT, " ", TRUE))
                                return TRUE;
                } while (commit->refs[i++]->next);
        }
 
-       if (type != LINE_CURSOR)
-               wattrset(view->win, get_line_attr(type));
-
-       draw_text(view, commit->title, view->width - col, TRUE, selected);
+       draw_text(view, LINE_DEFAULT, commit->title, TRUE);
        return TRUE;
 }
 
@@ -4938,7 +5020,22 @@ main_read(struct view *view, char *line)
        struct commit *commit;
 
        if (!line) {
+               int i;
+
+               if (!view->lines && !view->parent)
+                       die("No revisions match the given arguments.");
+               if (view->lines > 0) {
+                       commit = view->line[view->lines - 1].data;
+                       if (!*commit->author) {
+                               view->lines--;
+                               free(commit);
+                               graph->commit = NULL;
+                       }
+               }
                update_rev_graph(graph);
+
+               for (i = 0; i < ARRAY_SIZE(graph_stacks); i++)
+                       clear_rev_graph(&graph_stacks[i]);
                return TRUE;
        }
 
@@ -5058,19 +5155,42 @@ main_request(struct view *view, enum request request, struct line *line)
 {
        enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT;
 
-       if (request == REQ_ENTER)
+       switch (request) {
+       case REQ_ENTER:
                open_view(view, REQ_VIEW_DIFF, flags);
-       else
+               break;
+       case REQ_REFRESH:
+               string_copy(opt_cmd, view->cmd);
+               open_view(view, REQ_VIEW_MAIN, OPEN_RELOAD);
+               break;
+       default:
                return request;
+       }
 
        return REQ_NONE;
 }
 
+static bool
+grep_refs(struct ref **refs, regex_t *regex)
+{
+       regmatch_t pmatch;
+       size_t i = 0;
+
+       if (!refs)
+               return FALSE;
+       do {
+               if (regexec(regex, refs[i]->name, 1, &pmatch, 0) != REG_NOMATCH)
+                       return TRUE;
+       } while (refs[i++]->next);
+
+       return FALSE;
+}
+
 static bool
 main_grep(struct view *view, struct line *line)
 {
        struct commit *commit = line->data;
-       enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state;
+       enum { S_TITLE, S_AUTHOR, S_DATE, S_REFS, S_END } state;
        char buf[DATE_COLS + 1];
        regmatch_t pmatch;
 
@@ -5079,13 +5199,24 @@ main_grep(struct view *view, struct line *line)
 
                switch (state) {
                case S_TITLE:   text = commit->title;   break;
-               case S_AUTHOR:  text = commit->author;  break;
+               case S_AUTHOR:
+                       if (!opt_author)
+                               continue;
+                       text = commit->author;
+                       break;
                case S_DATE:
+                       if (!opt_date)
+                               continue;
                        if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time))
                                continue;
                        text = buf;
                        break;
-
+               case S_REFS:
+                       if (!opt_show_refs)
+                               continue;
+                       if (grep_refs(commit->refs, view->regex) == TRUE)
+                               return TRUE;
+                       continue;
                default:
                        return FALSE;
                }
@@ -5222,13 +5353,14 @@ utf8_to_unicode(const char *string, size_t length)
  *
  * Returns the number of bytes to output from string to satisfy max_width. */
 static size_t
-utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve)
+utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool reserve)
 {
        const char *start = string;
        const char *end = strchr(string, '\0');
        unsigned char last_bytes = 0;
-       size_t width = 0;
+       size_t last_ucwidth = 0;
 
+       *width = 0;
        *trimmed = 0;
 
        while (string < end) {
@@ -5249,17 +5381,20 @@ utf8_length(const char *string, size_t max_width, int *trimmed, bool reserve)
                        break;
 
                ucwidth = unicode_width(unicode);
-               width  += ucwidth;
-               if (width > max_width) {
+               *width  += ucwidth;
+               if (*width > max_width) {
                        *trimmed = 1;
-                       if (reserve && width - ucwidth == max_width) {
+                       *width -= ucwidth;
+                       if (reserve && *width == max_width) {
                                string -= last_bytes;
+                               *width -= last_ucwidth;
                        }
                        break;
                }
 
                string  += bytes;
                last_bytes = bytes;
+               last_ucwidth = ucwidth;
        }
 
        return string - start;
@@ -5371,6 +5506,63 @@ init_display(void)
        /* Enable keyboard mapping */
        keypad(status_win, TRUE);
        wbkgdset(status_win, get_line_attr(LINE_STATUS));
+
+       TABSIZE = opt_tab_size;
+       if (opt_line_graphics) {
+               line_graphics[LINE_GRAPHIC_VLINE] = ACS_VLINE;
+       }
+}
+
+static bool
+prompt_yesno(const char *prompt)
+{
+       enum { WAIT, STOP, CANCEL  } status = WAIT;
+       bool answer = FALSE;
+
+       while (status == WAIT) {
+               struct view *view;
+               int i, key;
+
+               input_mode = TRUE;
+
+               foreach_view (view, i)
+                       update_view(view);
+
+               input_mode = FALSE;
+
+               mvwprintw(status_win, 0, 0, "%s [Yy]/[Nn]", prompt);
+               wclrtoeol(status_win);
+
+               /* Refresh, accept single keystroke of input */
+               key = wgetch(status_win);
+               switch (key) {
+               case ERR:
+                       break;
+
+               case 'y':
+               case 'Y':
+                       answer = TRUE;
+                       status = STOP;
+                       break;
+
+               case KEY_ESC:
+               case KEY_RETURN:
+               case KEY_ENTER:
+               case KEY_BACKSPACE:
+               case 'n':
+               case 'N':
+               case '\n':
+               default:
+                       answer = FALSE;
+                       status = CANCEL;
+               }
+       }
+
+       /* Clear the status window */
+       status_empty = FALSE;
+       report("");
+
+       return answer;
 }
 
 static char *
@@ -5658,8 +5850,8 @@ static int
 load_repo_info(void)
 {
        int result;
-       FILE *pipe = popen("git rev-parse --git-dir --is-inside-work-tree "
-                          " --show-cdup --symbolic-full-name HEAD 2>/dev/null", "r");
+       FILE *pipe = popen("(git rev-parse --git-dir --is-inside-work-tree "
+                          " --show-cdup; git symbolic-ref HEAD) 2>/dev/null", "r");
 
        /* XXX: The line outputted by "--show-cdup" can be empty so
         * initialize it to something invalid to make it possible to
@@ -5779,11 +5971,12 @@ main(int argc, char *argv[])
        if (load_git_config() == ERR)
                die("Failed to load repo config.");
 
-       if (!parse_options(argc, argv))
+       request = parse_options(argc, argv);
+       if (request == REQ_NONE)
                return 0;
 
        /* Require a git repository unless when running in pager mode. */
-       if (!opt_git_dir[0] && opt_request != REQ_VIEW_PAGER)
+       if (!opt_git_dir[0] && request != REQ_VIEW_PAGER)
                die("Not a git repository");
 
        if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8"))
@@ -5801,8 +5994,6 @@ main(int argc, char *argv[])
        for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++)
                view->cmd_env = getenv(view->cmd_env);
 
-       request = opt_request;
-
        init_display();
 
        while (view_driver(display[current_view], request)) {
@@ -5833,11 +6024,13 @@ main(int argc, char *argv[])
 
                        if (cmd && string_format(opt_cmd, "git %s", cmd)) {
                                if (strncmp(cmd, "show", 4) && isspace(cmd[4])) {
-                                       opt_request = REQ_VIEW_DIFF;
+                                       request = REQ_VIEW_DIFF;
                                } else {
-                                       opt_request = REQ_VIEW_PAGER;
+                                       request = REQ_VIEW_PAGER;
                                }
-                               break;
+
+                               /* Always reload^Wrerun commands from the prompt. */
+                               open_view(view, request, OPEN_RELOAD);
                        }
 
                        request = REQ_NONE;