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