Andrew's git - gitweb.git/blob

   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};
  18static const char* use_add_msg = "use \"git add file1 file2\" to include for commit";
  19
  20static int parse_status_slot(const char *var, int offset)
  21{
  22        if (!strcasecmp(var+offset, "header"))
  23                return WT_STATUS_HEADER;
  24        if (!strcasecmp(var+offset, "updated")
  25                || !strcasecmp(var+offset, "added"))
  26                return WT_STATUS_UPDATED;
  27        if (!strcasecmp(var+offset, "changed"))
  28                return WT_STATUS_CHANGED;
  29        if (!strcasecmp(var+offset, "untracked"))
  30                return WT_STATUS_UNTRACKED;
  31        die("bad config variable '%s'", var);
  32}
  33
  34static const char* color(int slot)
  35{
  36        return wt_status_use_color ? wt_status_colors[slot] : "";
  37}
  38
  39void wt_status_prepare(struct wt_status *s)
  40{
  41        unsigned char sha1[20];
  42        const char *head;
  43
  44        s->is_initial = get_sha1("HEAD", sha1) ? 1 : 0;
  45
  46        head = resolve_ref("HEAD", sha1, 0, NULL);
  47        s->branch = head ? xstrdup(head) : NULL;
  48
  49        s->reference = "HEAD";
  50        s->amend = 0;
  51        s->verbose = 0;
  52        s->commitable = 0;
  53        s->untracked = 0;
  54}
  55
  56static void wt_status_print_header(const char *main, const char *sub)
  57{
  58        const char *c = color(WT_STATUS_HEADER);
  59        color_printf_ln(c, "# %s:", main);
  60        color_printf_ln(c, "#   (%s)", sub);
  61        color_printf_ln(c, "#");
  62}
  63
  64static void wt_status_print_trailer(void)
  65{
  66        color_printf_ln(color(WT_STATUS_HEADER), "#");
  67}
  68
  69static const char *quote_crlf(const char *in, char *buf, size_t sz)
  70{
  71        const char *scan;
  72        char *out;
  73        const char *ret = in;
  74
  75        for (scan = in, out = buf; *scan; scan++) {
  76                int ch = *scan;
  77                int quoted;
  78
  79                switch (ch) {
  80                case '\n':
  81                        quoted = 'n';
  82                        break;
  83                case '\r':
  84                        quoted = 'r';
  85                        break;
  86                default:
  87                        *out++ = ch;
  88                        continue;
  89                }
  90                *out++ = '\\';
  91                *out++ = quoted;
  92                ret = buf;
  93        }
  94        *out = '\0';
  95        return ret;
  96}
  97
  98static void wt_status_print_filepair(int t, struct diff_filepair *p)
  99{
 100        const char *c = color(t);
 101        const char *one, *two;
 102        char onebuf[PATH_MAX], twobuf[PATH_MAX];
 103
 104        one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
 105        two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));
 106
 107        color_printf(color(WT_STATUS_HEADER), "#\t");
 108        switch (p->status) {
 109        case DIFF_STATUS_ADDED:
 110                color_printf(c, "new file:   %s", one);
 111                break;
 112        case DIFF_STATUS_COPIED:
 113                color_printf(c, "copied:     %s -> %s", one, two);
 114                break;
 115        case DIFF_STATUS_DELETED:
 116                color_printf(c, "deleted:    %s", one);
 117                break;
 118        case DIFF_STATUS_MODIFIED:
 119                color_printf(c, "modified:   %s", one);
 120                break;
 121        case DIFF_STATUS_RENAMED:
 122                color_printf(c, "renamed:    %s -> %s", one, two);
 123                break;
 124        case DIFF_STATUS_TYPE_CHANGED:
 125                color_printf(c, "typechange: %s", one);
 126                break;
 127        case DIFF_STATUS_UNKNOWN:
 128                color_printf(c, "unknown:    %s", one);
 129                break;
 130        case DIFF_STATUS_UNMERGED:
 131                color_printf(c, "unmerged:   %s", one);
 132                break;
 133        default:
 134                die("bug: unhandled diff status %c", p->status);
 135        }
 136        printf("\n");
 137}
 138
 139static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 140                struct diff_options *options,
 141                void *data)
 142{
 143        struct wt_status *s = data;
 144        int shown_header = 0;
 145        int i;
 146        for (i = 0; i < q->nr; i++) {
 147                if (q->queue[i]->status == 'U')
 148                        continue;
 149                if (!shown_header) {
 150                        wt_status_print_header("Added but not yet committed",
 151                                        "will commit");
 152                        s->commitable = 1;
 153                        shown_header = 1;
 154                }
 155                wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
 156        }
 157        if (shown_header)
 158                wt_status_print_trailer();
 159}
 160
 161static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 162                        struct diff_options *options,
 163                        void *data)
 164{
 165        int i;
 166        if (q->nr)
 167                wt_status_print_header("Changed but not added", use_add_msg);
 168        for (i = 0; i < q->nr; i++)
 169                wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 170        if (q->nr)
 171                wt_status_print_trailer();
 172}
 173
 174void wt_status_print_initial(struct wt_status *s)
 175{
 176        int i;
 177        char buf[PATH_MAX];
 178
 179        read_cache();
 180        if (active_nr) {
 181                s->commitable = 1;
 182                wt_status_print_header("Added but not yet committed",
 183                                "will commit");
 184        }
 185        for (i = 0; i < active_nr; i++) {
 186                color_printf(color(WT_STATUS_HEADER), "#\t");
 187                color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 188                                quote_crlf(active_cache[i]->name,
 189                                           buf, sizeof(buf)));
 190        }
 191        if (active_nr)
 192                wt_status_print_trailer();
 193}
 194
 195static void wt_status_print_updated(struct wt_status *s)
 196{
 197        struct rev_info rev;
 198        init_revisions(&rev, NULL);
 199        setup_revisions(0, NULL, &rev, s->reference);
 200        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 201        rev.diffopt.format_callback = wt_status_print_updated_cb;
 202        rev.diffopt.format_callback_data = s;
 203        rev.diffopt.detect_rename = 1;
 204        run_diff_index(&rev, 1);
 205}
 206
 207static void wt_status_print_changed(struct wt_status *s)
 208{
 209        struct rev_info rev;
 210        init_revisions(&rev, "");
 211        setup_revisions(0, NULL, &rev, NULL);
 212        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 213        rev.diffopt.format_callback = wt_status_print_changed_cb;
 214        rev.diffopt.format_callback_data = s;
 215        run_diff_files(&rev, 0);
 216}
 217
 218static void wt_status_print_untracked(const struct wt_status *s)
 219{
 220        struct dir_struct dir;
 221        const char *x;
 222        int i;
 223        int shown_header = 0;
 224
 225        memset(&dir, 0, sizeof(dir));
 226
 227        dir.exclude_per_dir = ".gitignore";
 228        if (!s->untracked) {
 229                dir.show_other_directories = 1;
 230                dir.hide_empty_directories = 1;
 231        }
 232        x = git_path("info/exclude");
 233        if (file_exists(x))
 234                add_excludes_from_file(&dir, x);
 235
 236        read_directory(&dir, ".", "", 0);
 237        for(i = 0; i < dir.nr; i++) {
 238                /* check for matching entry, which is unmerged; lifted from
 239                 * builtin-ls-files:show_other_files */
 240                struct dir_entry *ent = dir.entries[i];
 241                int pos = cache_name_pos(ent->name, ent->len);
 242                struct cache_entry *ce;
 243                if (0 <= pos)
 244                        die("bug in wt_status_print_untracked");
 245                pos = -pos - 1;
 246                if (pos < active_nr) {
 247                        ce = active_cache[pos];
 248                        if (ce_namelen(ce) == ent->len &&
 249                            !memcmp(ce->name, ent->name, ent->len))
 250                                continue;
 251                }
 252                if (!shown_header) {
 253                        wt_status_print_header("Untracked files", use_add_msg);
 254                        shown_header = 1;
 255                }
 256                color_printf(color(WT_STATUS_HEADER), "#\t");
 257                color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 258                                ent->len, ent->name);
 259        }
 260}
 261
 262static void wt_status_print_verbose(struct wt_status *s)
 263{
 264        struct rev_info rev;
 265        init_revisions(&rev, NULL);
 266        setup_revisions(0, NULL, &rev, s->reference);
 267        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 268        rev.diffopt.detect_rename = 1;
 269        run_diff_index(&rev, 1);
 270}
 271
 272void wt_status_print(struct wt_status *s)
 273{
 274        if (s->branch)
 275                color_printf_ln(color(WT_STATUS_HEADER),
 276                        "# On branch %s", s->branch);
 277
 278        if (s->is_initial) {
 279                color_printf_ln(color(WT_STATUS_HEADER), "#");
 280                color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 281                color_printf_ln(color(WT_STATUS_HEADER), "#");
 282                wt_status_print_initial(s);
 283        }
 284        else {
 285                wt_status_print_updated(s);
 286                discard_cache();
 287        }
 288
 289        wt_status_print_changed(s);
 290        wt_status_print_untracked(s);
 291
 292        if (s->verbose && !s->is_initial)
 293                wt_status_print_verbose(s);
 294        if (!s->commitable)
 295                printf("%s (%s)\n",
 296                        s->amend ? "# No changes" : "nothing to commit",
 297                        use_add_msg);
 298}
 299
 300int git_status_config(const char *k, const char *v)
 301{
 302        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 303                wt_status_use_color = git_config_colorbool(k, v);
 304                return 0;
 305        }
 306        if (!strncmp(k, "status.color.", 13) || !strncmp(k, "color.status", 13)) {
 307                int slot = parse_status_slot(k, 13);
 308                color_parse(v, k, wt_status_colors[slot]);
 309        }
 310        return git_default_config(k, v);
 311}