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         for (i = 0; i < q->nr; i++) {
 106                 if (q->queue[i]->status == 'U')
 107                         continue;
 108                 if (!shown_header) {
 109                         wt_status_print_header("Updated but not checked in",
 110                                         "will commit");
 111                         s->commitable = 1;
 112                         shown_header = 1;
 113                 }
 114                 wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
 115         }
 116         if (shown_header)
 117                 wt_status_print_trailer();
 118 }
 119
 120 static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 121                         struct diff_options *options,
 122                         void *data)
 123 {
 124         int i;
 125         if (q->nr)
 126                 wt_status_print_header("Changed but not updated",
 127                                 "use git-update-index to mark for commit");
 128         for (i = 0; i < q->nr; i++)
 129                 wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 130         if (q->nr)
 131                 wt_status_print_trailer();
 132 }
 133
 134 void wt_status_print_initial(struct wt_status *s)
 135 {
 136         int i;
 137         read_cache();
 138         if (active_nr) {
 139                 s->commitable = 1;
 140                 wt_status_print_header("Updated but not checked in",
 141                                 "will commit");
 142         }
 143         for (i = 0; i < active_nr; i++) {
 144                 color_printf(color(WT_STATUS_HEADER), "#\t");
 145                 color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 146                                 active_cache[i]->name);
 147         }
 148         if (active_nr)
 149                 wt_status_print_trailer();
 150 }
 151
 152 static void wt_status_print_updated(struct wt_status *s)
 153 {
 154         struct rev_info rev;
 155         init_revisions(&rev, NULL);
 156         setup_revisions(0, NULL, &rev, s->reference);
 157         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 158         rev.diffopt.format_callback = wt_status_print_updated_cb;
 159         rev.diffopt.format_callback_data = s;
 160         rev.diffopt.detect_rename = 1;
 161         run_diff_index(&rev, 1);
 162 }
 163
 164 static void wt_status_print_changed(struct wt_status *s)
 165 {
 166         struct rev_info rev;
 167         init_revisions(&rev, "");
 168         setup_revisions(0, NULL, &rev, NULL);
 169         rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 170         rev.diffopt.format_callback = wt_status_print_changed_cb;
 171         rev.diffopt.format_callback_data = s;
 172         run_diff_files(&rev, 0);
 173 }
 174
 175 static void wt_status_print_untracked(const struct wt_status *s)
 176 {
 177         struct dir_struct dir;
 178         const char *x;
 179         int i;
 180         int shown_header = 0;
 181
 182         memset(&dir, 0, sizeof(dir));
 183
 184         dir.exclude_per_dir = ".gitignore";
 185         if (!s->untracked) {
 186                 dir.show_other_directories = 1;
 187                 dir.hide_empty_directories = 1;
 188         }
 189         x = git_path("info/exclude");
 190         if (file_exists(x))
 191                 add_excludes_from_file(&dir, x);
 192
 193         read_directory(&dir, ".", "", 0);
 194         for(i = 0; i < dir.nr; i++) {
 195                 /* check for matching entry, which is unmerged; lifted from
 196                  * builtin-ls-files:show_other_files */
 197                 struct dir_entry *ent = dir.entries[i];
 198                 int pos = cache_name_pos(ent->name, ent->len);
 199                 struct cache_entry *ce;
 200                 if (0 <= pos)
 201                         die("bug in wt_status_print_untracked");
 202                 pos = -pos - 1;
 203                 if (pos < active_nr) {
 204                         ce = active_cache[pos];
 205                         if (ce_namelen(ce) == ent->len &&
 206                             !memcmp(ce->name, ent->name, ent->len))
 207                                 continue;
 208                 }
 209                 if (!shown_header) {
 210                         wt_status_print_header("Untracked files",
 211                                 "use \"git add\" to add to commit");
 212                         shown_header = 1;
 213                 }
 214                 color_printf(color(WT_STATUS_HEADER), "#\t");
 215                 color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 216                                 ent->len, ent->name);
 217         }
 218 }
 219
 220 static void wt_status_print_verbose(struct wt_status *s)
 221 {
 222         struct rev_info rev;
 223         init_revisions(&rev, NULL);
 224         setup_revisions(0, NULL, &rev, s->reference);
 225         rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 226         rev.diffopt.detect_rename = 1;
 227         run_diff_index(&rev, 1);
 228 }
 229
 230 void wt_status_print(struct wt_status *s)
 231 {
 232         if (s->branch && strcmp(s->branch, "refs/heads/master"))
 233                 color_printf_ln(color(WT_STATUS_HEADER),
 234                         "# On branch %s", s->branch);
 235
 236         if (s->is_initial) {
 237                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 238                 color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 239                 color_printf_ln(color(WT_STATUS_HEADER), "#");
 240                 wt_status_print_initial(s);
 241         }
 242         else {
 243                 wt_status_print_updated(s);
 244                 discard_cache();
 245         }
 246
 247         wt_status_print_changed(s);
 248         wt_status_print_untracked(s);
 249
 250         if (s->verbose && !s->is_initial)
 251                 wt_status_print_verbose(s);
 252         if (!s->commitable)
 253                 printf("%s\n", s->amend ? "# No changes" : "nothing to commit");
 254 }
 255
 256 int git_status_config(const char *k, const char *v)
 257 {
 258         if (!strcmp(k, "status.color")) {
 259                 wt_status_use_color = git_config_colorbool(k, v);
 260                 return 0;
 261         }
 262         if (!strncmp(k, "status.color.", 13)) {
 263                 int slot = parse_status_slot(k, 13);
 264                 color_parse(v, k, wt_status_colors[slot]);
 265         }
 266         return git_default_config(k, v);
 267 }