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index 0e1028a7d709ffda3200e85b63c2d583785ebb5e..ce406c86fbed25706912987126721960c61cbbc0 100644 (file)
--- a/tig.c
+++ b/tig.c
static void warn(const char *msg, ...);
static void report(const char *msg, ...);
static void set_nonblocking_input(bool loading);
-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);
static int load_refs(void);
+static size_t utf8_length(const char **string, size_t col, int *width, size_t max_width, int *trimmed, bool reserve);
#define ABS(x) ((x) >= 0 ? (x) : -(x))
#define MIN(x, y) ((x) < (y) ? (x) : (y))
/* The default interval between line numbers. */
#define NUMBER_INTERVAL 5
+#define SCROLL_INTERVAL 1
#define TAB_SIZE 8
#define GIT_CONFIG "config"
#endif
-/* Some ascii-shorthands fitted into the ncurses namespace. */
+/* Some ASCII-shorthands fitted into the ncurses namespace. */
#define KEY_TAB '\t'
#define KEY_RETURN '\r'
#define KEY_ESC 27
return ERR;
}
+enum input_status {
+ INPUT_OK,
+ INPUT_SKIP,
+ INPUT_STOP,
+ INPUT_CANCEL
+};
+
+typedef enum input_status (*input_handler)(void *data, char *buf, int c);
+
+static char *prompt_input(const char *prompt, input_handler handler, void *data);
+static bool prompt_yesno(const char *prompt);
/*
* String helpers
#define string_add(dst, from, src) \
string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
+static size_t
+string_expand_length(const char *line, int tabsize)
+{
+ size_t size, pos;
+
+ for (pos = 0; line[pos]; pos++) {
+ if (line[pos] == '\t' && tabsize > 0)
+ size += tabsize - (size % tabsize);
+ else
+ size++;
+ }
+ return size;
+}
+
+static void
+string_expand(char *dst, size_t dstlen, const char *src, int tabsize)
+{
+ size_t size, pos;
+
+ for (size = pos = 0; size < dstlen - 1 && src[pos]; pos++) {
+ if (src[pos] == '\t') {
+ size_t expanded = tabsize - (size % tabsize);
+
+ if (expanded + size >= dstlen - 1)
+ expanded = dstlen - size - 1;
+ memcpy(dst + size, " ", expanded);
+ size += expanded;
+ } else {
+ dst[size++] = src[pos];
+ }
+ }
+
+ dst[size] = 0;
+}
+
static char *
chomp_string(char *name)
{
cmd[valuelen] = 0;
argv[(*argc)++] = chomp_string(cmd);
- cmd += valuelen + advance;
+ cmd = chomp_string(cmd + valuelen + advance);
}
if (*argc < SIZEOF_ARG)
static bool
kill_io(struct io *io)
{
- return kill(io->pid, SIGKILL) != -1;
+ return io->pid == 0 || kill(io->pid, SIGKILL) != -1;
}
static bool
return done_io(&io) || error;
}
-static int read_properties(struct io *io, const char *separators, int (*read)(char *, size_t, char *, size_t));
+static int
+io_load(struct io *io, const char *separators,
+ int (*read_property)(char *, size_t, char *, size_t))
+{
+ char *name;
+ int state = OK;
+
+ if (!start_io(io))
+ return ERR;
+
+ while (state == OK && (name = io_get(io, '\n', TRUE))) {
+ char *value;
+ size_t namelen;
+ size_t valuelen;
+
+ name = chomp_string(name);
+ namelen = strcspn(name, separators);
+
+ if (name[namelen]) {
+ name[namelen] = 0;
+ value = chomp_string(name + namelen + 1);
+ valuelen = strlen(value);
+
+ } else {
+ value = "";
+ valuelen = 0;
+ }
+
+ state = read_property(name, namelen, value, valuelen);
+ }
+
+ if (state != ERR && io_error(io))
+ state = ERR;
+ done_io(io);
+
+ return state;
+}
+
+static int
+run_io_load(const char **argv, const char *separators,
+ int (*read_property)(char *, size_t, char *, size_t))
+{
+ struct io io = {};
+
+ return init_io_rd(&io, argv, NULL, FORMAT_NONE)
+ ? io_load(&io, separators, read_property) : ERR;
+}
+
/*
* User requests
@@ -666,6 +759,7 @@ static int read_properties(struct io *io, const char *separators, int (*read)(ch
REQ_(ENTER, "Enter current line and scroll"), \
REQ_(NEXT, "Move to next"), \
REQ_(PREVIOUS, "Move to previous"), \
+ REQ_(PARENT, "Move to parent"), \
REQ_(VIEW_NEXT, "Move focus to next view"), \
REQ_(REFRESH, "Reload and refresh"), \
REQ_(MAXIMIZE, "Maximize the current view"), \
@@ -677,7 +771,6 @@ static int read_properties(struct io *io, const char *separators, int (*read)(ch
REQ_(STATUS_REVERT, "Revert file changes"), \
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_GROUP("Cursor navigation") \
REQ_(MOVE_UP, "Move cursor one line up"), \
@@ -688,6 +781,8 @@ static int read_properties(struct io *io, const char *separators, int (*read)(ch
REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \
\
REQ_GROUP("Scrolling") \
+ REQ_(SCROLL_LEFT, "Scroll two columns left"), \
+ REQ_(SCROLL_RIGHT, "Scroll two columns right"), \
REQ_(SCROLL_LINE_UP, "Scroll one line up"), \
REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \
REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \
* Options
*/
-static const char usage[] =
-"tig " TIG_VERSION " (" __DATE__ ")\n"
-"\n"
-"Usage: tig [options] [revs] [--] [paths]\n"
-" or: tig show [options] [revs] [--] [paths]\n"
-" or: tig blame [rev] path\n"
-" or: tig status\n"
-" or: tig < [git command output]\n"
-"\n"
-"Options:\n"
-" -v, --version Show version and exit\n"
-" -h, --help Show help message and exit";
-
/* Option and state variables. */
static bool opt_date = TRUE;
static bool opt_author = TRUE;
static iconv_t opt_iconv = ICONV_NONE;
static char opt_search[SIZEOF_STR] = "";
static char opt_cdup[SIZEOF_STR] = "";
+static char opt_prefix[SIZEOF_STR] = "";
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] = "";
#define is_initial_commit() (!*opt_head_rev)
#define is_head_commit(rev) (!strcmp((rev), "HEAD") || !strcmp(opt_head_rev, (rev)))
-static enum request
-parse_options(int argc, const char *argv[], const char ***run_argv)
-{
- enum request request = REQ_VIEW_MAIN;
- const char *subcommand;
- bool seen_dashdash = FALSE;
- /* XXX: This is vulnerable to the user overriding options
- * required for the main view parser. */
- static const char *custom_argv[SIZEOF_ARG] = {
- "git", "log", "--no-color", "--pretty=raw", "--parents",
- "--topo-order", NULL
- };
- int i, j = 6;
-
- if (!isatty(STDIN_FILENO))
- return REQ_VIEW_PAGER;
-
- if (argc <= 1)
- return REQ_VIEW_MAIN;
-
- subcommand = argv[1];
- if (!strcmp(subcommand, "status") || !strcmp(subcommand, "-S")) {
- if (!strcmp(subcommand, "-S"))
- warn("`-S' has been deprecated; use `tig status' instead");
- if (argc > 2)
- warn("ignoring arguments after `%s'", subcommand);
- return REQ_VIEW_STATUS;
-
- } else if (!strcmp(subcommand, "blame")) {
- if (argc <= 2 || argc > 4)
- die("invalid number of options to blame\n\n%s", usage);
-
- i = 2;
- if (argc == 4) {
- string_ncopy(opt_ref, argv[i], strlen(argv[i]));
- i++;
- }
-
- string_ncopy(opt_file, argv[i], strlen(argv[i]));
- return REQ_VIEW_BLAME;
-
- } else if (!strcmp(subcommand, "show")) {
- request = REQ_VIEW_DIFF;
-
- } else if (!strcmp(subcommand, "log") || !strcmp(subcommand, "diff")) {
- request = subcommand[0] == 'l' ? REQ_VIEW_LOG : REQ_VIEW_DIFF;
- warn("`tig %s' has been deprecated", subcommand);
-
- } else {
- subcommand = NULL;
- }
-
- if (subcommand) {
- custom_argv[1] = subcommand;
- j = 2;
- }
-
- for (i = 1 + !!subcommand; i < argc; i++) {
- const char *opt = argv[i];
-
- if (seen_dashdash || !strcmp(opt, "--")) {
- seen_dashdash = TRUE;
-
- } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
- printf("tig version %s\n", TIG_VERSION);
- return REQ_NONE;
-
- } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
- printf("%s\n", usage);
- return REQ_NONE;
- }
-
- custom_argv[j++] = opt;
- if (j >= ARRAY_SIZE(custom_argv))
- die("command too long");
- }
-
- custom_argv[j] = NULL;
- *run_argv = custom_argv;
-
- return request;
-}
-
/*
* Line-oriented content detection.
LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \
LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \
LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \
-LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \
+LINE(AUTHOR, "author ", COLOR_GREEN, COLOR_DEFAULT, 0), \
LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \
LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
LINE(DELIMITER, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
LINE(DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \
+LINE(MODE, "", COLOR_CYAN, 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_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \
LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \
LINE(MAIN_LOCAL_TAG,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
LINE(MAIN_HEAD, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
LINE(MAIN_REVGRAPH,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \
-LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
+LINE(TREE_HEAD, "", COLOR_DEFAULT, COLOR_DEFAULT, A_BOLD), \
+LINE(TREE_DIR, "", COLOR_YELLOW, COLOR_DEFAULT, A_NORMAL), \
LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
LINE(STAT_HEAD, "", COLOR_YELLOW, COLOR_DEFAULT, 0), \
LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
{ '-', REQ_MOVE_PAGE_UP },
/* Scrolling */
+ { KEY_LEFT, REQ_SCROLL_LEFT },
+ { KEY_RIGHT, REQ_SCROLL_RIGHT },
{ KEY_IC, REQ_SCROLL_LINE_UP },
{ KEY_DC, REQ_SCROLL_LINE_DOWN },
{ 'w', REQ_SCROLL_PAGE_UP },
{ '!', REQ_STATUS_REVERT },
{ 'M', REQ_STATUS_MERGE },
{ '@', REQ_STAGE_NEXT },
- { ',', REQ_TREE_PARENT },
+ { ',', REQ_PARENT },
{ 'e', REQ_EDIT },
};
static bool config_errors;
static const char *config_msg;
-/* Wants: object fgcolor bgcolor [attr] */
+/* Wants: object fgcolor bgcolor [attribute] */
static int
option_color_command(int argc, const char *argv[])
{
} else if (!string_enum_compare(argv[0], "main-date", strlen("main-date"))) {
info = get_line_info("date");
+ } else if (!string_enum_compare(argv[0], "main-author", strlen("main-author"))) {
+ info = get_line_info("author");
+
} else {
config_msg = "Unknown color name";
return ERR;
int arglen = strlen(arg);
switch (arg[0]) {
- case '"':
+ case '\"':
case '\'':
if (arglen == 1 || arg[arglen - 1] != arg[0]) {
config_msg = "Unmatched quotation";
request = get_request(argv[2]);
if (request == REQ_NONE) {
- const char *obsolete[] = { "cherry-pick", "screen-resize" };
+ struct {
+ const char *name;
+ enum request request;
+ } obsolete[] = {
+ { "cherry-pick", REQ_NONE },
+ { "screen-resize", REQ_NONE },
+ { "tree-parent", REQ_PARENT },
+ };
size_t namelen = strlen(argv[2]);
int i;
for (i = 0; i < ARRAY_SIZE(obsolete); i++) {
- if (namelen == strlen(obsolete[i]) &&
- !string_enum_compare(obsolete[i], argv[2], namelen)) {
- config_msg = "Obsolete request name";
- return ERR;
- }
+ if (namelen != strlen(obsolete[i].name) ||
+ string_enum_compare(obsolete[i].name, argv[2], namelen))
+ continue;
+ if (obsolete[i].request != REQ_NONE)
+ add_keybinding(keymap, obsolete[i].request, key);
+ config_msg = "Obsolete request name";
+ return ERR;
}
}
if (request == REQ_NONE && *argv[2]++ == '!')
}
if (status == ERR) {
- fprintf(stderr, "Error on line %d, near '%.*s': %s\n",
- config_lineno, (int) optlen, opt, config_msg);
+ warn("Error on line %d, near '%.*s': %s",
+ config_lineno, (int) optlen, opt, config_msg);
config_errors = TRUE;
}
{
struct io io = {};
- /* It's ok that the file doesn't exist. */
+ /* It's OK that the file doesn't exist. */
if (!io_open(&io, path))
return;
config_lineno = 0;
config_errors = FALSE;
- if (read_properties(&io, " \t", read_option) == ERR ||
+ if (io_load(&io, " \t", read_option) == ERR ||
config_errors == TRUE)
- fprintf(stderr, "Errors while loading %s.\n", path);
+ warn("Errors while loading %s.", path);
}
static int
static struct view *display[2];
static unsigned int current_view;
-/* Reading from the prompt? */
-static bool input_mode = FALSE;
-
#define foreach_displayed_view(view, i) \
for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++)
/* Navigation */
unsigned long offset; /* Offset of the window top */
+ unsigned long yoffset; /* Offset from the window side. */
unsigned long lineno; /* Current line number */
+ unsigned long p_offset; /* Previous offset of the window top */
+ unsigned long p_yoffset;/* Previous offset from the window side */
+ unsigned long p_lineno; /* Previous current line number */
+ bool p_restore; /* Should the previous position be restored. */
/* Searching */
char grep[SIZEOF_STR]; /* Search string */
- regex_t *regex; /* Pre-compiled regex */
+ regex_t *regex; /* Pre-compiled regexp */
/* If non-NULL, points to the view that opened this view. If this view
* is closed tig will switch back to the parent view. */
struct line *curline; /* Line currently being drawn. */
enum line_type curtype; /* Attribute currently used for drawing. */
unsigned long col; /* Column when drawing. */
+ bool has_scrolled; /* View was scrolled. */
+ bool can_hscroll; /* View can be scrolled horizontally. */
/* Loading */
struct io io;
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. */
+ /* Search for regexp in a line. */
bool (*grep)(struct view *view, struct line *line);
/* Select line */
void (*select)(struct view *view, struct line *line);
int len = 0;
int col = 0;
int trimmed = FALSE;
+ size_t skip = view->yoffset > view->col ? view->yoffset - view->col : 0;
if (max_len <= 0)
return 0;
if (opt_utf8) {
- len = utf8_length(string, &col, max_len, &trimmed, use_tilde);
+ len = utf8_length(&string, skip, &col, max_len, &trimmed, use_tilde);
} else {
col = len = strlen(string);
if (len > max_len) {
}
set_view_attr(view, type);
- waddnstr(view->win, string, len);
+ if (len > 0)
+ waddnstr(view->win, string, len);
if (trimmed && use_tilde) {
set_view_attr(view, LINE_DELIMITER);
waddch(view->win, '~');
col++;
}
+ if (view->col + col >= view->width + view->yoffset)
+ view->can_hscroll = TRUE;
+
return col;
}
static bool
draw_lineno(struct view *view, unsigned int lineno)
{
+ size_t skip = view->yoffset > view->col ? view->yoffset - view->col : 0;
char number[10];
int digits3 = view->digits < 3 ? 3 : view->digits;
int max_number = MIN(digits3, STRING_SIZE(number));
col = draw_space(view, LINE_LINE_NUMBER, max_number, max_number);
}
- if (col < max) {
+ if (col < max && skip <= col) {
set_view_attr(view, LINE_DEFAULT);
waddch(view->win, line_graphics[LINE_GRAPHIC_VLINE]);
- col++;
}
+ col++;
- if (col < max)
- col += draw_space(view, LINE_DEFAULT, max - col, 1);
view->col += col;
+ if (col < max && skip <= col)
+ col = draw_space(view, LINE_DEFAULT, max - col, 1);
+ view->col++;
- return view->width - view->col <= 0;
+ return view->width + view->yoffset <= view->col;
}
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);
+ view->col += draw_chars(view, type, string, view->width + view->yoffset - 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)
{
+ size_t skip = view->yoffset > view->col ? view->yoffset - view->col : 0;
int max = view->width - view->col;
int i;
@@ -1941,14 +1968,13 @@ draw_graphic(struct view *view, enum line_type type, chtype graphic[], size_t si
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++)
+ for (i = skip; i < size; i++)
waddch(view->win, graphic[i]);
view->col += size;
- if (size < max) {
+ if (size < max && skip <= size)
waddch(view->win, ' ');
- view->col++;
- }
+ view->col++;
return view->width - view->col <= 0;
}
@@ -1964,8 +1990,9 @@ draw_field(struct view *view, enum line_type type, const char *text, int len, bo
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;
+ view->col += col;
+ view->col += draw_space(view, LINE_DEFAULT, max - col, max - col);
+ return view->width + view->yoffset <= view->col;
}
static bool
return draw_field(view, LINE_DATE, date, DATE_COLS, FALSE);
}
+static bool
+draw_author(struct view *view, const char *author)
+{
+ bool trim = opt_author_cols == 0 || opt_author_cols > 5 || !author;
+
+ if (!trim) {
+ static char initials[10];
+ size_t pos;
+
+#define is_initial_sep(c) (isspace(c) || ispunct(c) || (c) == '@')
+
+ memset(initials, 0, sizeof(initials));
+ for (pos = 0; *author && pos < opt_author_cols - 1; author++, pos++) {
+ while (is_initial_sep(*author))
+ author++;
+ strncpy(&initials[pos], author, sizeof(initials) - 1 - pos);
+ while (*author && !is_initial_sep(author[1]))
+ author++;
+ }
+
+ author = initials;
+ }
+
+ return draw_field(view, LINE_AUTHOR, author, opt_author_cols, trim);
+}
+
+static bool
+draw_mode(struct view *view, mode_t mode)
+{
+ static const char dir_mode[] = "drwxr-xr-x";
+ static const char link_mode[] = "lrwxrwxrwx";
+ static const char exe_mode[] = "-rwxr-xr-x";
+ static const char file_mode[] = "-rw-r--r--";
+ const char *str;
+
+ if (S_ISDIR(mode))
+ str = dir_mode;
+ else if (S_ISLNK(mode))
+ str = link_mode;
+ else if (mode & S_IXUSR)
+ str = exe_mode;
+ else
+ str = file_mode;
+
+ return draw_field(view, LINE_MODE, str, sizeof(file_mode), FALSE);
+}
+
static bool
draw_view_line(struct view *view, unsigned int lineno)
{
struct line *line;
bool selected = (view->offset + lineno == view->lineno);
- bool draw_ok;
assert(view_is_displayed(view));
view->ops->select(view, line);
}
- scrollok(view->win, FALSE);
- draw_ok = view->ops->draw(view, line, lineno);
- scrollok(view->win, TRUE);
-
- return draw_ok;
+ return view->ops->draw(view, line, lineno);
}
static void
if (!dirty)
return;
- redrawwin(view->win);
- if (input_mode)
- wnoutrefresh(view->win);
- else
- wrefresh(view->win);
+ wnoutrefresh(view->win);
}
static void
{
assert(0 <= lineno && lineno < view->height);
+ if (lineno == 0)
+ view->can_hscroll = FALSE;
+
for (; lineno < view->height; lineno++) {
if (!draw_view_line(view, lineno))
break;
}
- redrawwin(view->win);
- if (input_mode)
- wnoutrefresh(view->win);
- else
- wrefresh(view->win);
+ wnoutrefresh(view->win);
}
static void
mvwaddnstr(view->title, 0, 0, buf, bufpos);
wclrtoeol(view->title);
- wmove(view->title, 0, view->width - 1);
-
- if (input_mode)
- wnoutrefresh(view->title);
- else
- wrefresh(view->title);
+ wnoutrefresh(view->title);
}
static void
if (!view->win)
die("Failed to create %s view", view->name);
- scrollok(view->win, TRUE);
+ scrollok(view->win, FALSE);
view->title = newwin(1, 0, offset + view->height, 0);
if (!view->title)
}
}
-static void
-update_display_cursor(struct view *view)
-{
- /* Move the cursor to the right-most column of the cursor line.
- *
- * XXX: This could turn out to be a bit expensive, but it ensures that
- * the cursor does not jump around. */
- if (view->lines) {
- wmove(view->win, view->lineno - view->offset, view->width - 1);
- wrefresh(view->win);
- }
-}
-
static void
toggle_view_option(bool *option, const char *help)
{
int line = lines > 0 ? view->height - lines : 0;
int end = line + ABS(lines);
+ scrollok(view->win, TRUE);
wscrl(view->win, lines);
+ scrollok(view->win, FALSE);
- for (; line < end; line++) {
- if (!draw_view_line(view, line))
- break;
- }
+ while (line < end && draw_view_line(view, line))
+ line++;
if (redraw_current_line)
draw_view_line(view, view->lineno - view->offset);
+ wnoutrefresh(view->win);
}
- redrawwin(view->win);
- wrefresh(view->win);
+ view->has_scrolled = TRUE;
report("");
}
assert(view_is_displayed(view));
switch (request) {
+ case REQ_SCROLL_LEFT:
+ if (view->yoffset == 0) {
+ report("Cannot scroll beyond the first column");
+ return;
+ }
+ if (view->yoffset <= SCROLL_INTERVAL)
+ view->yoffset = 0;
+ else
+ view->yoffset -= SCROLL_INTERVAL;
+ redraw_view_from(view, 0);
+ report("");
+ return;
+ case REQ_SCROLL_RIGHT:
+ if (!view->can_hscroll) {
+ report("Cannot scroll beyond the last column");
+ return;
+ }
+ view->yoffset += SCROLL_INTERVAL;
+ redraw_view(view);
+ report("");
+ return;
case REQ_SCROLL_PAGE_DOWN:
lines = view->height;
case REQ_SCROLL_LINE_DOWN:
/* Draw the current line */
draw_view_line(view, view->lineno - view->offset);
- redrawwin(view->win);
- wrefresh(view->win);
+ wnoutrefresh(view->win);
report("");
}
if (view_is_displayed(view)) {
draw_view_line(view, old_lineno);
draw_view_line(view, view->lineno - view->offset);
- redrawwin(view->win);
- wrefresh(view->win);
+ wnoutrefresh(view->win);
} else {
view->ops->select(view, &view->line[view->lineno]);
}
free(view->line[i].data);
free(view->line);
+ view->p_offset = view->offset;
+ view->p_yoffset = view->yoffset;
+ view->p_lineno = view->lineno;
+
view->line = NULL;
view->offset = 0;
+ view->yoffset = 0;
view->lines = 0;
view->lineno = 0;
view->line_alloc = 0;
@@ -2597,6 +2667,44 @@ format_argv(const char *dst_argv[], const char *src_argv[], enum format_flags fl
return src_argv[argc] == NULL;
}
+static bool
+restore_view_position(struct view *view)
+{
+ if (!view->p_restore || (view->pipe && view->lines <= view->p_lineno))
+ return FALSE;
+
+ /* Changing the view position cancels the restoring. */
+ /* FIXME: Changing back to the first line is not detected. */
+ if (view->offset != 0 || view->lineno != 0) {
+ view->p_restore = FALSE;
+ return FALSE;
+ }
+
+ if (view->p_lineno >= view->lines) {
+ view->p_lineno = view->lines > 0 ? view->lines - 1 : 0;
+ if (view->p_offset >= view->p_lineno) {
+ unsigned long half = view->height / 2;
+
+ if (view->p_lineno > half)
+ view->p_offset = view->p_lineno - half;
+ else
+ view->p_offset = 0;
+ }
+ }
+
+ if (view_is_displayed(view) &&
+ view->offset != view->p_offset &&
+ view->lineno != view->p_lineno)
+ werase(view->win);
+
+ view->offset = view->p_offset;
+ view->yoffset = view->p_yoffset;
+ view->lineno = view->p_lineno;
+ view->p_restore = FALSE;
+
+ return TRUE;
+}
+
static void
end_update(struct view *view, bool force)
{
if (view->lines == 0) {
time_t secs = time(NULL) - view->start_time;
- if (secs > view->update_secs) {
+ if (secs > 1 && secs > view->update_secs) {
if (view->update_secs == 0)
redraw_view(view);
update_view_title(view);
line = out_buffer;
}
- if (!view->ops->read(view, line))
- goto alloc_error;
+ if (!view->ops->read(view, line)) {
+ report("Allocation failure");
+ end_update(view, TRUE);
+ return FALSE;
+ }
}
{
end_update(view, FALSE);
}
+ if (restore_view_position(view))
+ redraw = TRUE;
+
if (!view_is_displayed(view))
return TRUE;
* commit reference in view->ref it'll be available here. */
update_view_title(view);
return TRUE;
-
-alloc_error:
- report("Allocation failure");
- end_update(view, TRUE);
- return FALSE;
}
static struct line *
resize_display();
if (view->ops->open) {
+ if (view->pipe)
+ end_update(view, TRUE);
if (!view->ops->open(view)) {
report("Failed to load %s view", view->name);
return;
}
+ restore_view_position(view);
} else if ((reload || strcmp(view->vid, view->id)) &&
!begin_update(view, flags & (OPEN_REFRESH | OPEN_PREPARED))) {
/* Clear the old view and let the incremental updating refill
* the screen. */
werase(view->win);
+ view->p_restore = flags & (OPEN_RELOAD | OPEN_REFRESH);
report("");
} else if (view_is_displayed(view)) {
redraw_view(view);
move_view(view, request);
break;
+ case REQ_SCROLL_LEFT:
+ case REQ_SCROLL_RIGHT:
case REQ_SCROLL_LINE_DOWN:
case REQ_SCROLL_LINE_UP:
case REQ_SCROLL_PAGE_DOWN:
/*
- * Pager backend
+ * View backend utilities
*/
-static bool
-pager_draw(struct view *view, struct line *line, unsigned int lineno)
+/* Parse author lines where the name may be empty:
+ * author <email@address.tld> 1138474660 +0100
+ */
+static void
+parse_author_line(char *ident, char *author, size_t authorsize, struct tm *tm)
{
- char *text = line->data;
+ char *nameend = strchr(ident, '<');
+ char *emailend = strchr(ident, '>');
- if (opt_line_number && draw_lineno(view, lineno))
- return TRUE;
+ if (nameend && emailend)
+ *nameend = *emailend = 0;
+ ident = chomp_string(ident);
+ if (!*ident) {
+ if (nameend)
+ ident = chomp_string(nameend + 1);
+ if (!*ident)
+ ident = "Unknown";
+ }
- draw_text(view, line->type, text, TRUE);
- return TRUE;
-}
+ string_ncopy_do(author, authorsize, ident, strlen(ident));
-static bool
-add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
-{
- const char *describe_argv[] = { "git", "describe", commit_id, NULL };
- char refbuf[SIZEOF_STR];
+ /* Parse epoch and timezone */
+ if (emailend && emailend[1] == ' ') {
+ char *secs = emailend + 2;
+ char *zone = strchr(secs, ' ');
+ time_t time = (time_t) atol(secs);
+
+ if (zone && strlen(zone) == STRING_SIZE(" +0700")) {
+ long tz;
+
+ zone++;
+ tz = ('0' - zone[1]) * 60 * 60 * 10;
+ tz += ('0' - zone[2]) * 60 * 60;
+ tz += ('0' - zone[3]) * 60;
+ tz += ('0' - zone[4]) * 60;
+
+ if (zone[0] == '-')
+ tz = -tz;
+
+ time -= tz;
+ }
+
+ gmtime_r(&time, tm);
+ }
+}
+
+static enum input_status
+select_commit_parent_handler(void *data, char *buf, int c)
+{
+ size_t parents = *(size_t *) data;
+ int parent = 0;
+
+ if (!isdigit(c))
+ return INPUT_SKIP;
+
+ if (*buf)
+ parent = atoi(buf) * 10;
+ parent += c - '0';
+
+ if (parent > parents)
+ return INPUT_SKIP;
+ return INPUT_OK;
+}
+
+static bool
+select_commit_parent(const char *id, char rev[SIZEOF_REV])
+{
+ char buf[SIZEOF_STR * 4];
+ const char *revlist_argv[] = {
+ "git", "rev-list", "-1", "--parents", id, NULL
+ };
+ int parents;
+
+ if (!run_io_buf(revlist_argv, buf, sizeof(buf)) ||
+ !*chomp_string(buf) ||
+ (parents = (strlen(buf) / 40) - 1) < 0) {
+ report("Failed to get parent information");
+ return FALSE;
+
+ } else if (parents == 0) {
+ report("The selected commit has no parents");
+ return FALSE;
+ }
+
+ if (parents > 1) {
+ char prompt[SIZEOF_STR];
+ char *result;
+
+ if (!string_format(prompt, "Which parent? [1..%d] ", parents))
+ return FALSE;
+ result = prompt_input(prompt, select_commit_parent_handler, &parents);
+ if (!result)
+ return FALSE;
+ parents = atoi(result);
+ }
+
+ string_copy_rev(rev, &buf[41 * parents]);
+ return TRUE;
+}
+
+/*
+ * Pager backend
+ */
+
+static bool
+pager_draw(struct view *view, struct line *line, unsigned int lineno)
+{
+ char text[SIZEOF_STR];
+
+ if (opt_line_number && draw_lineno(view, lineno))
+ return TRUE;
+
+ string_expand(text, sizeof(text), line->data, opt_tab_size);
+ draw_text(view, line->type, text, TRUE);
+ return TRUE;
+}
+
+static bool
+add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
+{
+ const char *describe_argv[] = { "git", "describe", commit_id, NULL };
+ char refbuf[SIZEOF_STR];
char *ref = NULL;
if (run_io_buf(describe_argv, refbuf, sizeof(refbuf)))
static bool
help_open(struct view *view)
{
- int lines = ARRAY_SIZE(req_info) + 2;
+ char buf[SIZEOF_STR];
+ size_t bufpos;
int i;
if (view->lines > 0)
return TRUE;
- for (i = 0; i < ARRAY_SIZE(req_info); i++)
- if (!req_info[i].request)
- lines++;
-
- lines += run_requests + 1;
-
- view->line = calloc(lines, sizeof(*view->line));
- if (!view->line)
- return FALSE;
-
add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT);
for (i = 0; i < ARRAY_SIZE(req_info); i++) {
if (!*key)
key = "(no key defined)";
- add_line_format(view, LINE_DEFAULT, " %-25s %s",
- key, req_info[i].help);
+ for (bufpos = 0; bufpos <= req_info[i].namelen; bufpos++) {
+ buf[bufpos] = tolower(req_info[i].name[bufpos]);
+ if (buf[bufpos] == '_')
+ buf[bufpos] = '-';
+ }
+
+ add_line_format(view, LINE_DEFAULT, " %-25s %-20s %s",
+ key, buf, req_info[i].help);
}
if (run_requests) {
for (i = 0; i < run_requests; i++) {
struct run_request *req = get_run_request(REQ_NONE + i + 1);
const char *key;
- char cmd[SIZEOF_STR];
- size_t bufpos;
int argc;
if (!req)
key = "(no key defined)";
for (bufpos = 0, argc = 0; req->argv[argc]; argc++)
- if (!string_format_from(cmd, &bufpos, "%s%s",
+ if (!string_format_from(buf, &bufpos, "%s%s",
argc ? " " : "", req->argv[argc]))
return REQ_NONE;
add_line_format(view, LINE_DEFAULT, " %-10s %-14s `%s`",
- keymap_table[req->keymap].name, key, cmd);
+ keymap_table[req->keymap].name, key, buf);
}
return TRUE;
/* Parse output from git-ls-tree(1):
*
- * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile
- * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README
* 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c
- * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf
*/
#define SIZEOF_TREE_ATTR \
- STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t")
+ STRING_SIZE("100644 blob f931e1d229c3e185caad4449bf5b66ed72462657\t")
+
+#define SIZEOF_TREE_MODE \
+ STRING_SIZE("100644 ")
-#define TREE_UP_FORMAT "040000 tree %s\t.."
+#define TREE_ID_OFFSET \
+ STRING_SIZE("100644 blob ")
+
+struct tree_entry {
+ char id[SIZEOF_REV];
+ mode_t mode;
+ struct tm time; /* Date from the author ident. */
+ char author[75]; /* Author of the commit. */
+ char name[1];
+};
static const char *
tree_path(struct line *line)
{
- const char *path = line->data;
-
- return path + SIZEOF_TREE_ATTR;
+ return ((struct tree_entry *) line->data)->name;
}
+
static int
tree_compare_entry(struct line *line1, struct line *line2)
{
return strcmp(tree_path(line1), tree_path(line2));
}
+static struct line *
+tree_entry(struct view *view, enum line_type type, const char *path,
+ const char *mode, const char *id)
+{
+ struct tree_entry *entry = calloc(1, sizeof(*entry) + strlen(path));
+ struct line *line = entry ? add_line_data(view, entry, type) : NULL;
+
+ if (!entry || !line) {
+ free(entry);
+ return NULL;
+ }
+
+ strncpy(entry->name, path, strlen(path));
+ if (mode)
+ entry->mode = strtoul(mode, NULL, 8);
+ if (id)
+ string_copy_rev(entry->id, id);
+
+ return line;
+}
+
+static bool
+tree_read_date(struct view *view, char *text, bool *read_date)
+{
+ static char author_name[SIZEOF_STR];
+ static struct tm author_time;
+
+ if (!text && *read_date) {
+ *read_date = FALSE;
+ return TRUE;
+
+ } else if (!text) {
+ char *path = *opt_path ? opt_path : ".";
+ /* Find next entry to process */
+ const char *log_file[] = {
+ "git", "log", "--no-color", "--pretty=raw",
+ "--cc", "--raw", view->id, "--", path, NULL
+ };
+ struct io io = {};
+
+ if (!view->lines) {
+ tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL);
+ report("Tree is empty");
+ return TRUE;
+ }
+
+ if (!run_io_rd(&io, log_file, FORMAT_NONE)) {
+ report("Failed to load tree data");
+ return TRUE;
+ }
+
+ done_io(view->pipe);
+ view->io = io;
+ *read_date = TRUE;
+ return FALSE;
+
+ } else if (*text == 'a' && get_line_type(text) == LINE_AUTHOR) {
+ parse_author_line(text + STRING_SIZE("author "),
+ author_name, sizeof(author_name), &author_time);
+
+ } else if (*text == ':') {
+ char *pos;
+ size_t annotated = 1;
+ size_t i;
+
+ pos = strchr(text, '\t');
+ if (!pos)
+ return TRUE;
+ text = pos + 1;
+ if (*opt_prefix && !strncmp(text, opt_prefix, strlen(opt_prefix)))
+ text += strlen(opt_prefix);
+ if (*opt_path && !strncmp(text, opt_path, strlen(opt_path)))
+ text += strlen(opt_path);
+ pos = strchr(text, '/');
+ if (pos)
+ *pos = 0;
+
+ for (i = 1; i < view->lines; i++) {
+ struct line *line = &view->line[i];
+ struct tree_entry *entry = line->data;
+
+ annotated += !!*entry->author;
+ if (*entry->author || strcmp(entry->name, text))
+ continue;
+
+ string_copy(entry->author, author_name);
+ memcpy(&entry->time, &author_time, sizeof(entry->time));
+ line->dirty = 1;
+ break;
+ }
+
+ if (annotated == view->lines)
+ kill_io(view->pipe);
+ }
+ return TRUE;
+}
+
static bool
tree_read(struct view *view, char *text)
{
- size_t textlen = text ? strlen(text) : 0;
+ static bool read_date = FALSE;
+ struct tree_entry *data;
struct line *entry, *line;
enum line_type type;
+ size_t textlen = text ? strlen(text) : 0;
+ char *path = text + SIZEOF_TREE_ATTR;
+
+ if (read_date || !text)
+ return tree_read_date(view, text, &read_date);
- if (!text)
- return TRUE;
if (textlen <= SIZEOF_TREE_ATTR)
return FALSE;
-
- type = text[STRING_SIZE("100644 ")] == 't'
- ? LINE_TREE_DIR : LINE_TREE_FILE;
-
if (view->lines == 0 &&
- !add_line_format(view, LINE_DEFAULT, "Directory path /%s", opt_path))
+ !tree_entry(view, LINE_TREE_HEAD, opt_path, NULL, NULL))
return FALSE;
/* Strip the path part ... */
if (*opt_path) {
size_t pathlen = textlen - SIZEOF_TREE_ATTR;
size_t striplen = strlen(opt_path);
- char *path = text + SIZEOF_TREE_ATTR;
if (pathlen > striplen)
memmove(path, path + striplen,
/* Insert "link" to parent directory. */
if (view->lines == 1 &&
- !add_line_format(view, LINE_TREE_DIR, TREE_UP_FORMAT, view->ref))
+ !tree_entry(view, LINE_TREE_DIR, "..", "040000", view->ref))
return FALSE;
}
- entry = add_line_text(view, text, type);
+ type = text[SIZEOF_TREE_MODE] == 't' ? LINE_TREE_DIR : LINE_TREE_FILE;
+ entry = tree_entry(view, type, path, text, text + TREE_ID_OFFSET);
if (!entry)
return FALSE;
- text = entry->data;
+ data = entry->data;
/* Skip "Directory ..." and ".." line. */
for (line = &view->line[1 + !!*opt_path]; line < entry; line++) {
memmove(line + 1, line, (entry - line) * sizeof(*entry));
- line->data = text;
+ line->data = data;
line->type = type;
for (; line <= entry; line++)
line->dirty = line->cleareol = 1;
return TRUE;
}
+static bool
+tree_draw(struct view *view, struct line *line, unsigned int lineno)
+{
+ struct tree_entry *entry = line->data;
+
+ if (line->type == LINE_TREE_HEAD) {
+ if (draw_text(view, line->type, "Directory path /", TRUE))
+ return TRUE;
+ } else {
+ if (draw_mode(view, entry->mode))
+ return TRUE;
+
+ if (opt_author && draw_author(view, entry->author))
+ return TRUE;
+
+ if (opt_date && draw_date(view, *entry->author ? &entry->time : NULL))
+ return TRUE;
+ }
+ if (draw_text(view, line->type, entry->name, TRUE))
+ return TRUE;
+ return TRUE;
+}
+
static void
open_blob_editor()
{
}
return REQ_NONE;
- case REQ_TREE_PARENT:
+ case REQ_PARENT:
if (!*opt_path) {
/* quit view if at top of tree */
return REQ_VIEW_CLOSE;
switch (line->type) {
case LINE_TREE_DIR:
- /* Depending on whether it is a subdir or parent (updir?) link
+ /* Depending on whether it is a subdirectory or parent link
* mangle the path buffer. */
if (line == &view->line[1] && *opt_path) {
pop_tree_stack_entry();
break;
default:
- return TRUE;
+ return REQ_NONE;
}
open_view(view, request, flags);
- if (request == REQ_VIEW_TREE) {
+ if (request == REQ_VIEW_TREE)
view->lineno = tree_lineno;
- }
return REQ_NONE;
}
static void
tree_select(struct view *view, struct line *line)
{
- char *text = (char *)line->data + STRING_SIZE("100644 blob ");
+ struct tree_entry *entry = line->data;
if (line->type == LINE_TREE_FILE) {
- string_copy_rev(ref_blob, text);
+ string_copy_rev(ref_blob, entry->id);
string_format(opt_file, "%s%s", opt_path, tree_path(line));
} else if (line->type != LINE_TREE_DIR) {
return;
}
- string_copy_rev(view->ref, text);
+ string_copy_rev(view->ref, entry->id);
}
static const char *tree_argv[SIZEOF_ARG] = {
tree_argv,
NULL,
tree_read,
- pager_draw,
+ tree_draw,
tree_request,
pager_grep,
tree_select,
char author[75]; /* Author of the commit. */
struct tm time; /* Date from the author ident. */
char filename[128]; /* Name of file. */
+ bool has_previous; /* Was a "previous" line detected. */
};
struct blame {
return FALSE;
} else {
- size_t linelen = strlen(line);
+ size_t linelen = string_expand_length(line, opt_tab_size);
struct blame *blame = malloc(sizeof(*blame) + linelen);
+ if (!blame)
+ return FALSE;
+
blame->commit = NULL;
- strncpy(blame->text, line, linelen);
- blame->text[linelen] = 0;
+ string_expand(blame->text, linelen + 1, line, opt_tab_size);
return add_line_data(view, blame, LINE_BLAME_ID) != NULL;
}
}
if (!commit) {
commit = parse_blame_commit(view, line, &blamed);
string_format(view->ref, "%s %2d%%", view->vid,
- blamed * 100 / view->lines);
+ view->lines ? blamed * 100 / view->lines : 0);
} else if (match_blame_header("author ", &line)) {
string_ncopy(commit->author, line, strlen(line));
} else if (match_blame_header("summary ", &line)) {
string_ncopy(commit->title, line, strlen(line));
+ } else if (match_blame_header("previous ", &line)) {
+ commit->has_previous = TRUE;
+
} else if (match_blame_header("filename ", &line)) {
string_ncopy(commit->filename, line, strlen(line));
commit = NULL;
if (opt_date && draw_date(view, time))
return TRUE;
- if (opt_author &&
- draw_field(view, LINE_MAIN_AUTHOR, author, opt_author_cols, TRUE))
+ if (opt_author && draw_author(view, author))
return TRUE;
if (draw_field(view, LINE_BLAME_ID, id, ID_COLS, FALSE))
}
break;
+ case REQ_PARENT:
+ if (check_blame_commit(blame) &&
+ select_commit_parent(blame->commit->id, opt_ref))
+ open_view(view, REQ_VIEW_BLAME, OPEN_REFRESH);
+ break;
+
case REQ_ENTER:
if (!blame->commit) {
report("No commit loaded yet");
if (!strcmp(blame->commit->id, NULL_ID)) {
struct view *diff = VIEW(REQ_VIEW_DIFF);
const char *diff_index_argv[] = {
- "git", "diff-index", "--root", "--cached",
- "--patch-with-stat", "-C", "-M",
- "HEAD", "--", view->vid, NULL
+ "git", "diff-index", "--root", "--patch-with-stat",
+ "-C", "-M", "HEAD", "--", view->vid, NULL
};
+ if (!blame->commit->has_previous) {
+ diff_index_argv[1] = "diff";
+ diff_index_argv[2] = "--no-color";
+ diff_index_argv[6] = "--";
+ diff_index_argv[7] = "/dev/null";
+ }
+
if (!prepare_update(diff, diff_index_argv, NULL, FORMAT_DASH)) {
report("Failed to allocate diff command");
break;
}
open_view(view, REQ_VIEW_DIFF, flags);
+ if (VIEW(REQ_VIEW_DIFF)->pipe && !strcmp(blame->commit->id, NULL_ID))
+ string_copy_rev(VIEW(REQ_VIEW_DIFF)->ref, NULL_ID);
break;
default:
static bool
status_run(struct view *view, const char *argv[], char status, enum line_type type)
{
- struct status *file = NULL;
struct status *unmerged = NULL;
char *buf;
struct io io = {};
@@ -4267,6 +4627,8 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
add_line_data(view, NULL, type);
while ((buf = io_get(&io, 0, TRUE))) {
+ struct status *file = unmerged;
+
if (!file) {
file = calloc(1, sizeof(*file));
if (!file || !add_line_data(view, file, type))
@@ -4279,7 +4641,7 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
if (status == 'A')
string_copy(file->old.rev, NULL_ID);
- } else if (!file->status) {
+ } else if (!file->status || file == unmerged) {
if (!status_get_diff(file, buf, strlen(buf)))
goto error_out;
@@ -4287,20 +4649,13 @@ status_run(struct view *view, const char *argv[], char status, enum line_type ty
if (!buf)
break;
- /* Collapse all 'M'odified entries that follow a
- * associated 'U'nmerged entry. */
- if (file->status == 'U') {
- unmerged = file;
-
- } else if (unmerged) {
- int collapse = !strcmp(buf, unmerged->new.name);
-
+ /* Collapse all modified entries that follow an
+ * associated unmerged entry. */
+ if (unmerged == file) {
+ unmerged->status = 'U';
unmerged = NULL;
- if (collapse) {
- free(file);
- view->lines--;
- continue;
- }
+ } else if (file->status == 'U') {
+ unmerged = file;
}
}
"git", "update-index", "-q", "--unmerged", "--refresh", NULL
};
+/* Restore the previous line number to stay in the context or select a
+ * line with something that can be updated. */
+static void
+status_restore(struct view *view)
+{
+ if (view->p_lineno >= view->lines)
+ view->p_lineno = view->lines - 1;
+ while (view->p_lineno < view->lines && !view->line[view->p_lineno].data)
+ view->p_lineno++;
+ while (view->p_lineno > 0 && !view->line[view->p_lineno].data)
+ view->p_lineno--;
+
+ /* If the above fails, always skip the "On branch" line. */
+ if (view->p_lineno < view->lines)
+ view->lineno = view->p_lineno;
+ else
+ view->lineno = 1;
+
+ if (view->lineno < view->offset)
+ view->offset = view->lineno;
+ else if (view->offset + view->height <= view->lineno)
+ view->offset = view->lineno - view->height + 1;
+
+ view->p_restore = FALSE;
+}
+
/* First parse staged info using git-diff-index(1), then parse unstaged
* info using git-diff-files(1), and finally untracked files using
* git-ls-files(1). */
static bool
status_open(struct view *view)
{
- unsigned long prev_lineno = view->lineno;
-
reset_view(view);
add_line_data(view, NULL, LINE_STAT_HEAD);
!status_run(view, status_list_other_argv, '?', LINE_STAT_UNTRACKED))
return FALSE;
- /* If all went well restore the previous line number to stay in
- * the context or select a line with something that can be
- * updated. */
- if (prev_lineno >= view->lines)
- prev_lineno = view->lines - 1;
- while (prev_lineno < view->lines && !view->line[prev_lineno].data)
- prev_lineno++;
- while (prev_lineno > 0 && !view->line[prev_lineno].data)
- prev_lineno--;
-
- /* If the above fails, always skip the "On branch" line. */
- if (prev_lineno < view->lines)
- view->lineno = prev_lineno;
- else
- view->lineno = 1;
-
- if (view->lineno < view->offset)
- view->offset = view->lineno;
- else if (view->offset + view->height <= view->lineno)
- view->offset = view->lineno - view->height + 1;
-
+ /* Restore the exact position or use the specialized restore
+ * mode? */
+ if (!view->p_restore)
+ status_restore(view);
return TRUE;
}
case LINE_STAT_NONE:
type = LINE_DEFAULT;
- text = " (no files)";
+ text = " (no files)";
break;
case LINE_STAT_HEAD:
}
split = view_is_displayed(view) ? OPEN_SPLIT : 0;
- open_view(view, REQ_VIEW_STAGE, OPEN_REFRESH | split);
+ open_view(view, REQ_VIEW_STAGE, OPEN_PREPARED | split);
if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) {
if (status) {
stage_status = *status;
status_exists(struct status *status, enum line_type type)
{
struct view *view = VIEW(REQ_VIEW_STATUS);
- struct line *line;
+ unsigned long lineno;
- for (line = view->line; line < view->line + view->lines; line++) {
+ for (lineno = 0; lineno < view->lines; lineno++) {
+ struct line *line = &view->line[lineno];
struct status *pos = line->data;
if (line->type != type)
continue;
- if (!pos && (!status || !status->status))
+ if (!pos && (!status || !status->status) && line[1].data) {
+ select_view_line(view, lineno);
return TRUE;
- if (pos && !strcmp(status->new.name, pos->new.name))
+ }
+ if (pos && !strcmp(status->new.name, pos->new.name)) {
+ select_view_line(view, lineno);
return TRUE;
+ }
}
return FALSE;
return FALSE;
} else {
+ char mode[10] = "100644";
+ const char *reset_argv[] = {
+ "git", "update-index", "--cacheinfo", mode,
+ status->old.rev, status->old.name, NULL
+ };
const char *checkout_argv[] = {
"git", "checkout", "--", status->old.name, NULL
};
if (!prompt_yesno("Are you sure you want to overwrite any changes?"))
return FALSE;
- return run_io_fg(checkout_argv, opt_cdup);
+ string_format(mode, "%o", status->old.mode);
+ return (status->status != 'U' || run_io_fg(reset_argv, opt_cdup)) &&
+ run_io_fg(checkout_argv, opt_cdup);
}
}
return request;
}
+ VIEW(REQ_VIEW_STATUS)->p_restore = TRUE;
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))
+ if (!status_exists(&stage_status, stage_line_type)) {
+ status_restore(VIEW(REQ_VIEW_STATUS));
return REQ_VIEW_CLOSE;
+ }
if (stage_line_type == LINE_STAT_UNTRACKED) {
if (!suffixcmp(stage_status.new.name, -1, "/")) {
if (opt_date && draw_date(view, &commit->time))
return TRUE;
- if (opt_author &&
- draw_field(view, LINE_MAIN_AUTHOR, commit->author, opt_author_cols, TRUE))
+ if (opt_author && draw_author(view, commit->author))
return TRUE;
if (opt_rev_graph && commit->graph_size &&
break;
case LINE_AUTHOR:
- {
- /* Parse author lines where the name may be empty:
- * author <email@address.tld> 1138474660 +0100
- */
- char *ident = line + STRING_SIZE("author ");
- char *nameend = strchr(ident, '<');
- char *emailend = strchr(ident, '>');
-
- if (!nameend || !emailend)
- break;
-
+ parse_author_line(line + STRING_SIZE("author "),
+ commit->author, sizeof(commit->author),
+ &commit->time);
update_rev_graph(view, graph);
graph = graph->next;
-
- *nameend = *emailend = 0;
- ident = chomp_string(ident);
- if (!*ident) {
- ident = chomp_string(nameend + 1);
- if (!*ident)
- ident = "Unknown";
- }
-
- string_ncopy(commit->author, ident, strlen(ident));
- view->line[view->lines - 1].dirty = 1;
-
- /* Parse epoch and timezone */
- if (emailend[1] == ' ') {
- char *secs = emailend + 2;
- char *zone = strchr(secs, ' ');
- time_t time = (time_t) atol(secs);
-
- if (zone && strlen(zone) == STRING_SIZE(" +0700")) {
- long tz;
-
- zone++;
- tz = ('0' - zone[1]) * 60 * 60 * 10;
- tz += ('0' - zone[2]) * 60 * 60;
- tz += ('0' - zone[3]) * 60;
- tz += ('0' - zone[4]) * 60;
-
- if (zone[0] == '-')
- tz = -tz;
-
- time -= tz;
- }
-
- gmtime_r(&time, &commit->time);
- }
break;
- }
+
default:
/* Fill in the commit title if it has not already been set. */
if (commit->title[0])
/* FIXME: More graceful handling of titles; append "..." to
* shortened titles, etc. */
- string_ncopy(commit->title, line, strlen(line));
+ string_expand(commit->title, sizeof(commit->title), line, 1);
view->line[view->lines - 1].dirty = 1;
}
/*
* Unicode / UTF-8 handling
*
- * NOTE: Much of the following code for dealing with unicode is derived from
+ * NOTE: Much of the following code for dealing with Unicode is derived from
* ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is
- * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28.
+ * src/intl/charset.c from the UTF-8 branch commit elinks-0.11.0-g31f2c28.
*/
-/* I've (over)annotated a lot of code snippets because I am not entirely
- * confident that the approach taken by this small UTF-8 interface is correct.
- * --jonas */
-
static inline int
unicode_width(unsigned long c)
{
3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1,
};
-/* Decode UTF-8 multi-byte representation into a unicode character. */
+/* Decode UTF-8 multi-byte representation into a Unicode character. */
static inline unsigned long
utf8_to_unicode(const char *string, size_t length)
{
unicode += (string[5] & 0x3f);
break;
default:
- die("Invalid unicode length");
+ die("Invalid Unicode length");
}
/* Invalid characters could return the special 0xfffd value but NUL
*
* Returns the number of bytes to output from string to satisfy max_width. */
static size_t
-utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool reserve)
+utf8_length(const char **start, size_t skip, int *width, size_t max_width, int *trimmed, bool reserve)
{
- const char *start = string;
+ const char *string = *start;
const char *end = strchr(string, '\0');
unsigned char last_bytes = 0;
size_t last_ucwidth = 0;
@@ -5781,11 +6110,15 @@ utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool
* it is a single- or double-width character. */
unicode = utf8_to_unicode(string, bytes);
- /* FIXME: Graceful handling of invalid unicode character. */
+ /* FIXME: Graceful handling of invalid Unicode character. */
if (!unicode)
break;
ucwidth = unicode_width(unicode);
+ if (skip > 0) {
+ skip -= ucwidth <= skip ? ucwidth : skip;
+ *start += bytes;
+ }
*width += ucwidth;
if (*width > max_width) {
*trimmed = 1;
@@ -5798,11 +6131,11 @@ utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool
}
string += bytes;
- last_bytes = bytes;
+ last_bytes = ucwidth ? bytes : 0;
last_ucwidth = ucwidth;
}
- return string - start;
+ return string - *start;
}
@@ -5813,10 +6146,17 @@ utf8_length(const char *string, int *width, size_t max_width, int *trimmed, bool
/* Whether or not the curses interface has been initialized. */
static bool cursed = FALSE;
+/* Terminal hacks and workarounds. */
+static bool use_scroll_redrawwin;
+static bool use_scroll_status_wclear;
+
/* The status window is used for polling keystrokes. */
static WINDOW *status_win;
-static bool status_empty = TRUE;
+/* Reading from the prompt? */
+static bool input_mode = FALSE;
+
+static bool status_empty = FALSE;
/* Update status and title window. */
static void
va_start(args, msg);
wmove(status_win, 0, 0);
+ if (view->has_scrolled && use_scroll_status_wclear)
+ wclear(status_win);
if (*msg) {
vwprintw(status_win, msg, args);
status_empty = FALSE;
status_empty = TRUE;
}
wclrtoeol(status_win);
- wrefresh(status_win);
+ wnoutrefresh(status_win);
va_end(args);
}
update_view_title(view);
- update_display_cursor(view);
}
/* Controls when nodelay should be in effect when polling user input. */
static void
init_display(void)
{
+ const char *term;
int x, y;
/* Initialize the curses library */
if (!cursed)
die("Failed to initialize curses");
- nonl(); /* Tell curses not to do NL->CR/NL on output */
+ nonl(); /* Disable conversion and detect newlines from input. */
cbreak(); /* Take input chars one at a time, no wait for \n */
noecho(); /* Don't echo input */
- leaveok(stdscr, TRUE);
+ leaveok(stdscr, FALSE);
if (has_colors())
init_colors();
if (opt_line_graphics) {
line_graphics[LINE_GRAPHIC_VLINE] = ACS_VLINE;
}
+
+ term = getenv("XTERM_VERSION") ? NULL : getenv("COLORTERM");
+ if (term && !strcmp(term, "gnome-terminal")) {
+ /* In the gnome-terminal-emulator, the message from
+ * scrolling up one line when impossible followed by
+ * scrolling down one line causes corruption of the
+ * status line. This is fixed by calling wclear. */
+ use_scroll_status_wclear = TRUE;
+ use_scroll_redrawwin = FALSE;
+
+ } else if (term && !strcmp(term, "xrvt-xpm")) {
+ /* No problems with full optimizations in xrvt-(unicode)
+ * and aterm. */
+ use_scroll_status_wclear = use_scroll_redrawwin = FALSE;
+
+ } else {
+ /* When scrolling in (u)xterm the last line in the
+ * scrolling direction will update slowly. */
+ use_scroll_redrawwin = TRUE;
+ use_scroll_status_wclear = FALSE;
+ }
}
static int
-get_input(bool prompting)
+get_input(int prompt_position)
{
struct view *view;
- int i, key;
+ int i, key, cursor_y, cursor_x;
- if (prompting)
+ if (prompt_position)
input_mode = TRUE;
- while (true) {
- foreach_view (view, i)
+ while (TRUE) {
+ foreach_view (view, i) {
update_view(view);
+ if (view_is_displayed(view) && view->has_scrolled &&
+ use_scroll_redrawwin)
+ redrawwin(view->win);
+ view->has_scrolled = FALSE;
+ }
+
+ /* Update the cursor position. */
+ if (prompt_position) {
+ getbegyx(status_win, cursor_y, cursor_x);
+ cursor_x = prompt_position;
+ } else {
+ view = display[current_view];
+ getbegyx(view->win, cursor_y, cursor_x);
+ cursor_x = view->width - 1;
+ cursor_y += view->lineno - view->offset;
+ }
+ setsyx(cursor_y, cursor_x);
/* Refresh, accept single keystroke of input */
+ doupdate();
key = wgetch(status_win);
/* wgetch() with nodelay() enabled returns ERR when
* there's no input. */
if (key == ERR) {
- doupdate();
} else if (key == KEY_RESIZE) {
int height, width;
getmaxyx(stdscr, height, width);
- /* Resize the status view and let the view driver take
- * care of resizing the displayed views. */
- resize_display();
- redraw_display(TRUE);
wresize(status_win, 1, width);
mvwin(status_win, height - 1, 0);
- wrefresh(status_win);
+ wnoutrefresh(status_win);
+ resize_display();
+ redraw_display(TRUE);
} else {
input_mode = FALSE;
}
}
-static bool
-prompt_yesno(const char *prompt)
-{
- enum { WAIT, STOP, CANCEL } status = WAIT;
- bool answer = FALSE;
-
- while (status == WAIT) {
- int key;
-
- mvwprintw(status_win, 0, 0, "%s [Yy]/[Nn]", prompt);
- wclrtoeol(status_win);
-
- key = get_input(TRUE);
- switch (key) {
- 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 *
-read_prompt(const char *prompt)
+prompt_input(const char *prompt, input_handler handler, void *data)
{
- enum { READING, STOP, CANCEL } status = READING;
+ enum input_status status = INPUT_OK;
static char buf[SIZEOF_STR];
- int pos = 0;
+ size_t pos = 0;
- while (status == READING) {
+ buf[pos] = 0;
+
+ while (status == INPUT_OK || status == INPUT_SKIP) {
int key;
mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf);
wclrtoeol(status_win);
- key = get_input(TRUE);
+ key = get_input(pos + 1);
switch (key) {
case KEY_RETURN:
case KEY_ENTER:
case '\n':
- status = pos ? STOP : CANCEL;
+ status = pos ? INPUT_STOP : INPUT_CANCEL;
break;
case KEY_BACKSPACE:
if (pos > 0)
- pos--;
+ buf[--pos] = 0;
else
- status = CANCEL;
+ status = INPUT_CANCEL;
break;
case KEY_ESC:
- status = CANCEL;
+ status = INPUT_CANCEL;
break;
default:
return NULL;
}
- if (isprint(key))
+ status = handler(data, buf, key);
+ if (status == INPUT_OK)
buf[pos++] = (char) key;
}
}
status_empty = FALSE;
report("");
- if (status == CANCEL)
+ if (status == INPUT_CANCEL)
return NULL;
buf[pos++] = 0;
return buf;
}
-/*
- * Repository properties
- */
+static enum input_status
+prompt_yesno_handler(void *data, char *buf, int c)
+{
+ if (c == 'y' || c == 'Y')
+ return INPUT_STOP;
+ if (c == 'n' || c == 'N')
+ return INPUT_CANCEL;
+ return INPUT_SKIP;
+}
-static int
-git_properties(const char **argv, const char *separators,
- int (*read_property)(char *, size_t, char *, size_t))
+static bool
+prompt_yesno(const char *prompt)
{
- struct io io = {};
+ char prompt2[SIZEOF_STR];
- if (init_io_rd(&io, argv, NULL, FORMAT_NONE))
- return read_properties(&io, separators, read_property);
- return ERR;
+ if (!string_format(prompt2, "%s [Yy/Nn]", prompt))
+ return FALSE;
+
+ return !!prompt_input(prompt2, prompt_yesno_handler, NULL);
}
+static enum input_status
+read_prompt_handler(void *data, char *buf, int c)
+{
+ return isprint(c) ? INPUT_OK : INPUT_SKIP;
+}
+
+static char *
+read_prompt(const char *prompt)
+{
+ return prompt_input(prompt, read_prompt_handler, NULL);
+}
+
+/*
+ * Repository properties
+ */
+
static struct ref *refs = NULL;
static size_t refs_alloc = 0;
static size_t refs_size = 0;
}
if (check_replace && !strcmp(name, refs[refs_size - 1].name)) {
- /* it's an annotated tag, replace the previous sha1 with the
+ /* it's an annotated tag, replace the previous SHA1 with the
* resolved commit id; relies on the fact git-ls-remote lists
* the commit id of an annotated tag right before the commit id
* it points to. */
while (id_refs_size > 0)
free(id_refs[--id_refs_size]);
- return git_properties(ls_remote_argv, "\t", read_ref);
+ return run_io_load(ls_remote_argv, "\t", read_ref);
}
static int
{
const char *config_list_argv[] = { "git", GIT_CONFIG, "--list", NULL };
- return git_properties(config_list_argv, "=", read_repo_config_option);
+ return run_io_load(config_list_argv, "=", read_repo_config_option);
}
static int
* the option else either "true" or "false" is printed.
* Default to true for the unknown case. */
opt_is_inside_work_tree = strcmp(name, "false") ? TRUE : FALSE;
- } else {
+
+ } else if (*name == '.') {
string_ncopy(opt_cdup, name, namelen);
+
+ } else {
+ string_ncopy(opt_prefix, name, namelen);
}
return OK;
};
const char *rev_parse_argv[] = {
"git", "rev-parse", "--git-dir", "--is-inside-work-tree",
- "--show-cdup", NULL
+ "--show-cdup", "--show-prefix", NULL
};
if (run_io_buf(head_argv, opt_head, sizeof(opt_head))) {
}
}
- return git_properties(rev_parse_argv, "=", read_repo_info);
-}
-
-static int
-read_properties(struct io *io, const char *separators,
- int (*read_property)(char *, size_t, char *, size_t))
-{
- char *name;
- int state = OK;
-
- if (!start_io(io))
- return ERR;
-
- while (state == OK && (name = io_get(io, '\n', TRUE))) {
- char *value;
- size_t namelen;
- size_t valuelen;
-
- name = chomp_string(name);
- namelen = strcspn(name, separators);
-
- if (name[namelen]) {
- name[namelen] = 0;
- value = chomp_string(name + namelen + 1);
- valuelen = strlen(value);
-
- } else {
- value = "";
- valuelen = 0;
- }
-
- state = read_property(name, namelen, value, valuelen);
- }
-
- if (state != ERR && io_error(io))
- state = ERR;
- done_io(io);
-
- return state;
+ return run_io_load(rev_parse_argv, "=", read_repo_info);
}
* Main
*/
+static const char usage[] =
+"tig " TIG_VERSION " (" __DATE__ ")\n"
+"\n"
+"Usage: tig [options] [revs] [--] [paths]\n"
+" or: tig show [options] [revs] [--] [paths]\n"
+" or: tig blame [rev] path\n"
+" or: tig status\n"
+" or: tig < [git command output]\n"
+"\n"
+"Options:\n"
+" -v, --version Show version and exit\n"
+" -h, --help Show help message and exit";
+
static void __NORETURN
quit(int sig)
{
va_end(args);
}
+static enum request
+parse_options(int argc, const char *argv[])
+{
+ enum request request = REQ_VIEW_MAIN;
+ const char *subcommand;
+ bool seen_dashdash = FALSE;
+ /* XXX: This is vulnerable to the user overriding options
+ * required for the main view parser. */
+ const char *custom_argv[SIZEOF_ARG] = {
+ "git", "log", "--no-color", "--pretty=raw", "--parents",
+ "--topo-order", NULL
+ };
+ int i, j = 6;
+
+ if (!isatty(STDIN_FILENO)) {
+ io_open(&VIEW(REQ_VIEW_PAGER)->io, "");
+ return REQ_VIEW_PAGER;
+ }
+
+ if (argc <= 1)
+ return REQ_NONE;
+
+ subcommand = argv[1];
+ if (!strcmp(subcommand, "status")) {
+ if (argc > 2)
+ warn("ignoring arguments after `%s'", subcommand);
+ return REQ_VIEW_STATUS;
+
+ } else if (!strcmp(subcommand, "blame")) {
+ if (argc <= 2 || argc > 4)
+ die("invalid number of options to blame\n\n%s", usage);
+
+ i = 2;
+ if (argc == 4) {
+ string_ncopy(opt_ref, argv[i], strlen(argv[i]));
+ i++;
+ }
+
+ string_ncopy(opt_file, argv[i], strlen(argv[i]));
+ return REQ_VIEW_BLAME;
+
+ } else if (!strcmp(subcommand, "show")) {
+ request = REQ_VIEW_DIFF;
+
+ } else {
+ subcommand = NULL;
+ }
+
+ if (subcommand) {
+ custom_argv[1] = subcommand;
+ j = 2;
+ }
+
+ for (i = 1 + !!subcommand; i < argc; i++) {
+ const char *opt = argv[i];
+
+ if (seen_dashdash || !strcmp(opt, "--")) {
+ seen_dashdash = TRUE;
+
+ } else if (!strcmp(opt, "-v") || !strcmp(opt, "--version")) {
+ printf("tig version %s\n", TIG_VERSION);
+ quit(0);
+
+ } else if (!strcmp(opt, "-h") || !strcmp(opt, "--help")) {
+ printf("%s\n", usage);
+ quit(0);
+ }
+
+ custom_argv[j++] = opt;
+ if (j >= ARRAY_SIZE(custom_argv))
+ die("command too long");
+ }
+
+ if (!prepare_update(VIEW(request), custom_argv, NULL, FORMAT_NONE))
+ die("Failed to format arguments");
+
+ return request;
+}
+
int
main(int argc, const char *argv[])
{
- const char **run_argv = NULL;
+ enum request request = parse_options(argc, argv);
struct view *view;
- enum request request;
size_t i;
signal(SIGINT, quit);
if (load_git_config() == ERR)
die("Failed to load repo config.");
- request = parse_options(argc, argv, &run_argv);
- if (request == REQ_NONE)
- return 0;
-
/* Require a git repository unless when running in pager mode. */
if (!opt_git_dir[0] && request != REQ_VIEW_PAGER)
die("Not a git repository");
init_display();
- if (request == REQ_VIEW_PAGER || run_argv) {
- if (request == REQ_VIEW_PAGER)
- io_open(&VIEW(request)->io, "");
- else if (!prepare_update(VIEW(request), run_argv, NULL, FORMAT_NONE))
- die("Failed to format arguments");
+ if (request != REQ_NONE)
open_view(NULL, request, OPEN_PREPARED);
- request = REQ_NONE;
- }
+ request = request == REQ_NONE ? REQ_VIEW_MAIN : REQ_NONE;
while (view_driver(display[current_view], request)) {
- int key = get_input(FALSE);
+ int key = get_input(0);
view = display[current_view];
request = get_keybinding(view->keymap, key);
if (search)
string_ncopy(opt_search, search, strlen(search));
+ else if (*opt_search)
+ request = request == REQ_SEARCH ?
+ REQ_FIND_NEXT :
+ REQ_FIND_PREV;
else
request = REQ_NONE;
break;