wt-status.c

   1 #include "wt-status.h"
   2 #include "color.h"
   3 #include "cache.h"
   4 #include "object.h"
   5 #include "dir.h"
   6 #include "commit.h"
   7 #include "diff.h"
   8 #include "revision.h"
   9 #include "diffcore.h"
  10
  11 int wt_status_use_color = 0;
  12 static char wt_status_colors[][COLOR_MAXLEN] = {
  13         "",         /* WT_STATUS_HEADER: normal */
  14         "\033[32m", /* WT_STATUS_UPDATED: green */
  15         "\033[31m", /* WT_STATUS_CHANGED: red */
  16         "\033[31m", /* WT_STATUS_UNTRACKED: red */
  17 };
  18
  19 static int parse_status_slot(const char *var, int offset)
  20 {
  21         if (!strcasecmp(var+offset, "header"))
  22                 return WT_STATUS_HEADER;
  23         if (!strcasecmp(var+offset, "updated"))
  24                 return WT_STATUS_UPDATED;
  25         if (!strcasecmp(var+offset, "changed"))
  26                 return WT_STATUS_CHANGED;
  27         if (!strcasecmp(var+offset, "untracked"))
  28                 return WT_STATUS_UNTRACKED;
  29         die("bad config variable '%s'", var);
  30 }
  31
  32 static const char* color(int slot)
  33 {
  34         return wt_status_use_color ? wt_status_colors[slot] : "";
  35 }
  36
  37 void wt_status_prepare(struct wt_status *s)
  38 {
  39         unsigned char sha1[20];
  40         const char *head;
  41
  42         s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0;
  43
  44         head = resolve_ref("HEAD", sha1, 0, NULL);
  45         s->branch = head ? xstrdup(head) : NULL;
  46
  47         s->reference = "HEAD";
  48         s->amend = 0;
  49         s->verbose = 0;
  50         s->commitable = 0;
  51         s->untracked = 0;
  52 }
  53
  54 static void wt_status_print_header(const char *main, const char *sub)
  55 {
  56         const char *c = color(WT_STATUS_HEADER);
  57         color_printf_ln(c, "# %s:", main);
  58         color_printf_ln(c, "#   (%s)", sub);
  59         color_printf_ln(c, "#");
  60 }
  61
  62 static void wt_status_print_trailer(void)
  63 {
  64         color_printf_ln(color(WT_STATUS_HEADER), "#");
  65 }
  66
  67 static void wt_status_print_filepair(int t, struct diff_filepair *p)
  68 {
  69         const char *c = color(t);
  70         color_printf(color(WT_STATUS_HEADER), "#\t");
  71         switch (p->status) {
  72         case DIFF_STATUS_ADDED:
  73                 color_printf(c, "new file:   %s", p->one->path); break;
  74         case DIFF_STATUS_COPIED:
  75                 color_printf(c, "copied:     %s -> %s",
  76                                 p->one->path, p->two->path);
  77                 break;
  78         case DIFF_STATUS_DELETED:
  79                 color_printf(c, "deleted:    %s", p->one->path); break;
  80         case DIFF_STATUS_MODIFIED:
  81                 color_printf(c, "modified:   %s", p->one->path); break;
  82         case DIFF_STATUS_RENAMED:
  83                 color_printf(c, "renamed:    %s -> %s",
  84                                 p->one->path, p->two->path);
  85                 break;
  86         case DIFF_STATUS_TYPE_CHANGED:
  87                 color_printf(c, "typechange: %s", p->one->path); break;
  88         case DIFF_STATUS_UNKNOWN:
  89                 color_printf(c, "unknown:    %s", p->one->path); break;
  90         case DIFF_STATUS_UNMERGED:
  91                 color_printf(c, "unmerged:   %s", p->one->path); break;
  92         default:
  93                 die("bug: unhandled diff status %c", p->status);
  94         }
  95         printf("\n");
  96 }
  97
  98 static void wt_status_print_updated_cb(struct diff_queue_struct *q,
  99                 struct diff_options *options,
 100                 void *data)
 101 {
 102         struct wt_status *s = data;
 103         int shown_header = 0;
 104         int i;
 105         if (q->nr) {
 106         }
 107         for (i = 0; i < q->nr; i++) {
 108                 if (q->queue[i]->status == 'U')
 109                         continue;
 110                 if (!shown_header) {
 111                         wt_status_print_header("Updated but not checked in",
 112                                         "will commit");
 113                         s->commitable = 1;
 114                         shown_header = 1;
 115                 }
 116                 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
 117         }
 118         if (shown_header)
 119                 wt_status_print_trailer();
 120 }
 121
 122 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 123                         struct diff_options *options,
 124                         void *data)
 125 {
 126         int i;
 127         if (q->nr)
 128                 wt_status_print_header("Changed but not updated",
 129                                 "use git-update-index to mark for commit");
 130         for (i = 0; i < q->nr; i++)
 131                 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 132         if (q->nr)
 133                 wt_status_print_trailer();
 134 }
 135
 136 void wt_status_print_initial(struct wt_status *s)
 137 {
 138         int i;
 139         read_cache();
 140         if (active_nr) {
 141                 s->commitable = 1;
 142                 wt_status_print_header("Updated but not checked in",
 143                                 "will commit");
 144         }
 145         for (i = 0; i < active_nr; i++) {
 146                 color_printf(color(WT_STATUS_HEADER), "#\t");
 147                 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 148                                 active_cache[i]->name);
 149         }
 150         if (active_nr)
 151                 wt_status_print_trailer();
 152 }
 153
 154 static void wt_status_print_updated(struct wt_status *s)
 155 {
 156         struct rev_info rev;
 157         const char *argv[] = { NULL, NULL, NULL };
 158         argv[1] = s->reference;
 159         init_revisions(&rev, NULL);
 160         setup_revisions(2, argv, &rev, NULL);
 161         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 162         rev.diffopt.format_callback = wt_status_print_updated_cb;
 163         rev.diffopt.format_callback_data = s;
 164         rev.diffopt.detect_rename = 1;
 165         run_diff_index(&rev, 1);
 166 }
 167
 168 static void wt_status_print_changed(struct wt_status *s)
 169 {
 170         struct rev_info rev;
 171         const char *argv[] = { NULL, NULL };
 172         init_revisions(&rev, "");
 173         setup_revisions(1, argv, &rev, NULL);
 174         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 175         rev.diffopt.format_callback = wt_status_print_changed_cb;
 176         rev.diffopt.format_callback_data = s;
 177         run_diff_files(&rev, 0);
 178 }
 179
 180 static void wt_status_print_untracked(const struct wt_status *s)
 181 {
 182         struct dir_struct dir;
 183         const char *x;
 184         int i;
 185         int shown_header = 0;
 186
 187         memset(&dir, 0, sizeof(dir));
 188
 189         dir.exclude_per_dir = ".gitignore";
 190         if (!s->untracked) {
 191                 dir.show_other_directories = 1;
 192                 dir.hide_empty_directories = 1;
 193         }
 194         x = git_path("info/exclude");
 195         if (file_exists(x))
 196                 add_excludes_from_file(&dir, x);
 197
 198         read_directory(&dir, ".", "", 0);
 199         for(i = 0; i < dir.nr; i++) {
 200                 /* check for matching entry, which is unmerged; lifted from
 201                  * builtin-ls-files:show_other_files */
 202                 struct dir_entry *ent = dir.entries[i];
 203                 int pos = cache_name_pos(ent->name, ent->len);
 204                 struct cache_entry *ce;
 205                 if (0 <= pos)
 206                         die("bug in wt_status_print_untracked");
 207                 pos = -pos - 1;
 208                 if (pos < active_nr) {
 209                         ce = active_cache[pos];
 210                         if (ce_namelen(ce) == ent->len &&
 211                             !memcmp(ce->name, ent->name, ent->len))
 212                                 continue;
 213                 }
 214                 if (!shown_header) {
 215                         wt_status_print_header("Untracked files",
 216                                 "use \"git add\" to add to commit");
 217                         shown_header = 1;
 218                 }
 219                 color_printf(color(WT_STATUS_HEADER), "#\t");
 220                 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 221                                 ent->len, ent->name);
 222         }
 223 }
 224
 225 static void wt_status_print_verbose(struct wt_status *s)
 226 {
 227         struct rev_info rev;
 228         const char *argv[] = { NULL, NULL, NULL };
 229         argv[1] = s->reference;
 230         init_revisions(&rev, NULL);
 231         setup_revisions(2, argv, &rev, NULL);
 232         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 233         rev.diffopt.detect_rename = 1;
 234         run_diff_index(&rev, 1);
 235 }
 236
 237 void wt_status_print(struct wt_status *s)
 238 {
 239         if (s->branch && strcmp(s->branch, "refs/heads/master"))
 240                 color_printf_ln(color(WT_STATUS_HEADER),
 241                         "# On branch %s", s->branch);
 242
 243         if (s->is_initial) {
 244                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 245                 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 246                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 247                 wt_status_print_initial(s);
 248         }
 249         else {
 250                 wt_status_print_updated(s);
 251                 discard_cache();
 252         }
 253
 254         wt_status_print_changed(s);
 255         wt_status_print_untracked(s);
 256
 257         if (s->verbose && !s->is_initial)
 258                 wt_status_print_verbose(s);
 259         if (!s->commitable)
 260                 printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
 261 }
 262
 263 int git_status_config(const char *k, const char *v)
 264 {
 265         if (!strcmp(k, "status.color")) {
 266                 wt_status_use_color = git_config_colorbool(k, v);
 267                 return 0;
 268         }
 269         if (!strncmp(k, "status.color.", 13)) {
 270                 int slot = parse_status_slot(k, 13);
 271                 color_parse(v, k, wt_status_colors[slot]);
 272         }
 273         return git_default_config(k, v);
 274 }