Andrew's git - gitweb.git/blob

9b777a569e9988e250378fc4d7745ba0316a329b
   1#include "cache.h"
   2#include "wt-status.h"
   3#include "color.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 <file>...\" to incrementally add content to 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        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        s->workdir_clean = 1;
  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        struct wt_status *s = data;
 166        int i;
 167        if (q->nr) {
 168                s->workdir_clean = 0;
 169                wt_status_print_header("Changed but not added", use_add_msg);
 170        }
 171        for (i = 0; i < q->nr; i++)
 172                wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 173        if (q->nr)
 174                wt_status_print_trailer();
 175}
 176
 177void wt_status_print_initial(struct wt_status *s)
 178{
 179        int i;
 180        char buf[PATH_MAX];
 181
 182        read_cache();
 183        if (active_nr) {
 184                s->commitable = 1;
 185                wt_status_print_header("Added but not yet committed",
 186                                "will commit");
 187        }
 188        for (i = 0; i < active_nr; i++) {
 189                color_printf(color(WT_STATUS_HEADER), "#\t");
 190                color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 191                                quote_crlf(active_cache[i]->name,
 192                                           buf, sizeof(buf)));
 193        }
 194        if (active_nr)
 195                wt_status_print_trailer();
 196}
 197
 198static void wt_status_print_updated(struct wt_status *s)
 199{
 200        struct rev_info rev;
 201        init_revisions(&rev, NULL);
 202        setup_revisions(0, NULL, &rev, s->reference);
 203        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 204        rev.diffopt.format_callback = wt_status_print_updated_cb;
 205        rev.diffopt.format_callback_data = s;
 206        rev.diffopt.detect_rename = 1;
 207        run_diff_index(&rev, 1);
 208}
 209
 210static void wt_status_print_changed(struct wt_status *s)
 211{
 212        struct rev_info rev;
 213        init_revisions(&rev, "");
 214        setup_revisions(0, NULL, &rev, NULL);
 215        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 216        rev.diffopt.format_callback = wt_status_print_changed_cb;
 217        rev.diffopt.format_callback_data = s;
 218        run_diff_files(&rev, 0);
 219}
 220
 221static void wt_status_print_untracked(struct wt_status *s)
 222{
 223        struct dir_struct dir;
 224        const char *x;
 225        int i;
 226        int shown_header = 0;
 227
 228        memset(&dir, 0, sizeof(dir));
 229
 230        dir.exclude_per_dir = ".gitignore";
 231        if (!s->untracked) {
 232                dir.show_other_directories = 1;
 233                dir.hide_empty_directories = 1;
 234        }
 235        x = git_path("info/exclude");
 236        if (file_exists(x))
 237                add_excludes_from_file(&dir, x);
 238
 239        read_directory(&dir, ".", "", 0);
 240        for(i = 0; i < dir.nr; i++) {
 241                /* check for matching entry, which is unmerged; lifted from
 242                 * builtin-ls-files:show_other_files */
 243                struct dir_entry *ent = dir.entries[i];
 244                int pos = cache_name_pos(ent->name, ent->len);
 245                struct cache_entry *ce;
 246                if (0 <= pos)
 247                        die("bug in wt_status_print_untracked");
 248                pos = -pos - 1;
 249                if (pos < active_nr) {
 250                        ce = active_cache[pos];
 251                        if (ce_namelen(ce) == ent->len &&
 252                            !memcmp(ce->name, ent->name, ent->len))
 253                                continue;
 254                }
 255                if (!shown_header) {
 256                        s->workdir_clean = 0;
 257                        wt_status_print_header("Untracked files", use_add_msg);
 258                        shown_header = 1;
 259                }
 260                color_printf(color(WT_STATUS_HEADER), "#\t");
 261                color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 262                                ent->len, ent->name);
 263        }
 264}
 265
 266static void wt_status_print_verbose(struct wt_status *s)
 267{
 268        struct rev_info rev;
 269        init_revisions(&rev, NULL);
 270        setup_revisions(0, NULL, &rev, s->reference);
 271        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 272        rev.diffopt.detect_rename = 1;
 273        run_diff_index(&rev, 1);
 274}
 275
 276void wt_status_print(struct wt_status *s)
 277{
 278        unsigned char sha1[20];
 279        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 280
 281        if (s->branch)
 282                color_printf_ln(color(WT_STATUS_HEADER),
 283                        "# On branch %s", s->branch);
 284
 285        if (s->is_initial) {
 286                color_printf_ln(color(WT_STATUS_HEADER), "#");
 287                color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 288                color_printf_ln(color(WT_STATUS_HEADER), "#");
 289                wt_status_print_initial(s);
 290        }
 291        else {
 292                wt_status_print_updated(s);
 293                discard_cache();
 294        }
 295
 296        wt_status_print_changed(s);
 297        wt_status_print_untracked(s);
 298
 299        if (s->verbose && !s->is_initial)
 300                wt_status_print_verbose(s);
 301        if (!s->commitable) {
 302                if (s->amend)
 303                        printf("# No changes\n");
 304                else if (s->workdir_clean)
 305                        printf(s->is_initial
 306                               ? "nothing to commit\n"
 307                               : "nothing to commit (working directory matches HEAD)\n");
 308                else
 309                        printf("no changes added to commit (use \"git add\" and/or \"git commit [-a|-i|-o]\")\n");
 310        }
 311}
 312
 313int git_status_config(const char *k, const char *v)
 314{
 315        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 316                wt_status_use_color = git_config_colorbool(k, v);
 317                return 0;
 318        }
 319        if (!strncmp(k, "status.color.", 13) || !strncmp(k, "color.status", 13)) {
 320                int slot = parse_status_slot(k, 13);
 321                color_parse(v, k, wt_status_colors[slot]);
 322        }
 323        return git_default_config(k, v);
 324}