wt-status.con commit git-commit.sh: convert run_status to a C builtin (c91f0d9)
   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
  11int wt_status_use_color = 0;
  12static 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
  19static 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
  32static const char* color(int slot)
  33{
  34        return wt_status_use_color ? wt_status_colors[slot] : "";
  35}
  36
  37void 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
  55static 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
  63static void wt_status_print_trailer(void)
  64{
  65        color_printf_ln(color(WT_STATUS_HEADER), "#");
  66}
  67
  68static 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
  99static 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
 123static 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
 137void 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
 155static 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
 169static 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
 181static 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
 222static 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
 234void 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
 260int 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}