Andrew's git - gitweb.git/blob

ca4690e86b8684eb38909d455f543cf5914e9098
   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        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        s->workdir_clean = 1;
  56}
  57
  58static void wt_status_print_header(const char *main, const char *sub)
  59{
  60        const char *c = color(WT_STATUS_HEADER);
  61        color_printf_ln(c, "# %s:", main);
  62        color_printf_ln(c, "#   (%s)", sub);
  63        color_printf_ln(c, "#");
  64}
  65
  66static void wt_status_print_trailer(void)
  67{
  68        color_printf_ln(color(WT_STATUS_HEADER), "#");
  69}
  70
  71static const char *quote_crlf(const char *in, char *buf, size_t sz)
  72{
  73        const char *scan;
  74        char *out;
  75        const char *ret = in;
  76
  77        for (scan = in, out = buf; *scan; scan++) {
  78                int ch = *scan;
  79                int quoted;
  80
  81                switch (ch) {
  82                case '\n':
  83                        quoted = 'n';
  84                        break;
  85                case '\r':
  86                        quoted = 'r';
  87                        break;
  88                default:
  89                        *out++ = ch;
  90                        continue;
  91                }
  92                *out++ = '\\';
  93                *out++ = quoted;
  94                ret = buf;
  95        }
  96        *out = '\0';
  97        return ret;
  98}
  99
 100static void wt_status_print_filepair(int t, struct diff_filepair *p)
 101{
 102        const char *c = color(t);
 103        const char *one, *two;
 104        char onebuf[PATH_MAX], twobuf[PATH_MAX];
 105
 106        one = quote_crlf(p->one->path, onebuf, sizeof(onebuf));
 107        two = quote_crlf(p->two->path, twobuf, sizeof(twobuf));
 108
 109        color_printf(color(WT_STATUS_HEADER), "#\t");
 110        switch (p->status) {
 111        case DIFF_STATUS_ADDED:
 112                color_printf(c, "new file:   %s", one);
 113                break;
 114        case DIFF_STATUS_COPIED:
 115                color_printf(c, "copied:     %s -> %s", one, two);
 116                break;
 117        case DIFF_STATUS_DELETED:
 118                color_printf(c, "deleted:    %s", one);
 119                break;
 120        case DIFF_STATUS_MODIFIED:
 121                color_printf(c, "modified:   %s", one);
 122                break;
 123        case DIFF_STATUS_RENAMED:
 124                color_printf(c, "renamed:    %s -> %s", one, two);
 125                break;
 126        case DIFF_STATUS_TYPE_CHANGED:
 127                color_printf(c, "typechange: %s", one);
 128                break;
 129        case DIFF_STATUS_UNKNOWN:
 130                color_printf(c, "unknown:    %s", one);
 131                break;
 132        case DIFF_STATUS_UNMERGED:
 133                color_printf(c, "unmerged:   %s", one);
 134                break;
 135        default:
 136                die("bug: unhandled diff status %c", p->status);
 137        }
 138        printf("\n");
 139}
 140
 141static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 142                struct diff_options *options,
 143                void *data)
 144{
 145        struct wt_status *s = data;
 146        int shown_header = 0;
 147        int i;
 148        for (i = 0; i < q->nr; i++) {
 149                if (q->queue[i]->status == 'U')
 150                        continue;
 151                if (!shown_header) {
 152                        wt_status_print_header("Added but not yet committed",
 153                                        "will commit");
 154                        s->commitable = 1;
 155                        shown_header = 1;
 156                }
 157                wt_status_print_filepair(WT_STATUS_UPDATED, q->queue[i]);
 158        }
 159        if (shown_header)
 160                wt_status_print_trailer();
 161}
 162
 163static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 164                        struct diff_options *options,
 165                        void *data)
 166{
 167        struct wt_status *s = data;
 168        int i;
 169        if (q->nr) {
 170                s->workdir_clean = 0;
 171                wt_status_print_header("Changed but not added", use_add_msg);
 172        }
 173        for (i = 0; i < q->nr; i++)
 174                wt_status_print_filepair(WT_STATUS_CHANGED, q->queue[i]);
 175        if (q->nr)
 176                wt_status_print_trailer();
 177}
 178
 179void wt_status_print_initial(struct wt_status *s)
 180{
 181        int i;
 182        char buf[PATH_MAX];
 183
 184        read_cache();
 185        if (active_nr) {
 186                s->commitable = 1;
 187                wt_status_print_header("Added but not yet committed",
 188                                "will commit");
 189        }
 190        for (i = 0; i < active_nr; i++) {
 191                color_printf(color(WT_STATUS_HEADER), "#\t");
 192                color_printf_ln(color(WT_STATUS_UPDATED), "new file: %s",
 193                                quote_crlf(active_cache[i]->name,
 194                                           buf, sizeof(buf)));
 195        }
 196        if (active_nr)
 197                wt_status_print_trailer();
 198}
 199
 200static void wt_status_print_updated(struct wt_status *s)
 201{
 202        struct rev_info rev;
 203        init_revisions(&rev, NULL);
 204        setup_revisions(0, NULL, &rev, s->reference);
 205        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 206        rev.diffopt.format_callback = wt_status_print_updated_cb;
 207        rev.diffopt.format_callback_data = s;
 208        rev.diffopt.detect_rename = 1;
 209        run_diff_index(&rev, 1);
 210}
 211
 212static void wt_status_print_changed(struct wt_status *s)
 213{
 214        struct rev_info rev;
 215        init_revisions(&rev, "");
 216        setup_revisions(0, NULL, &rev, NULL);
 217        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 218        rev.diffopt.format_callback = wt_status_print_changed_cb;
 219        rev.diffopt.format_callback_data = s;
 220        run_diff_files(&rev, 0);
 221}
 222
 223static void wt_status_print_untracked(struct wt_status *s)
 224{
 225        struct dir_struct dir;
 226        const char *x;
 227        int i;
 228        int shown_header = 0;
 229
 230        memset(&dir, 0, sizeof(dir));
 231
 232        dir.exclude_per_dir = ".gitignore";
 233        if (!s->untracked) {
 234                dir.show_other_directories = 1;
 235                dir.hide_empty_directories = 1;
 236        }
 237        x = git_path("info/exclude");
 238        if (file_exists(x))
 239                add_excludes_from_file(&dir, x);
 240
 241        read_directory(&dir, ".", "", 0);
 242        for(i = 0; i < dir.nr; i++) {
 243                /* check for matching entry, which is unmerged; lifted from
 244                 * builtin-ls-files:show_other_files */
 245                struct dir_entry *ent = dir.entries[i];
 246                int pos = cache_name_pos(ent->name, ent->len);
 247                struct cache_entry *ce;
 248                if (0 <= pos)
 249                        die("bug in wt_status_print_untracked");
 250                pos = -pos - 1;
 251                if (pos < active_nr) {
 252                        ce = active_cache[pos];
 253                        if (ce_namelen(ce) == ent->len &&
 254                            !memcmp(ce->name, ent->name, ent->len))
 255                                continue;
 256                }
 257                if (!shown_header) {
 258                        s->workdir_clean = 0;
 259                        wt_status_print_header("Untracked files", use_add_msg);
 260                        shown_header = 1;
 261                }
 262                color_printf(color(WT_STATUS_HEADER), "#\t");
 263                color_printf_ln(color(WT_STATUS_UNTRACKED), "%.*s",
 264                                ent->len, ent->name);
 265        }
 266}
 267
 268static void wt_status_print_verbose(struct wt_status *s)
 269{
 270        struct rev_info rev;
 271        init_revisions(&rev, NULL);
 272        setup_revisions(0, NULL, &rev, s->reference);
 273        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 274        rev.diffopt.detect_rename = 1;
 275        run_diff_index(&rev, 1);
 276}
 277
 278void wt_status_print(struct wt_status *s)
 279{
 280        if (s->branch)
 281                color_printf_ln(color(WT_STATUS_HEADER),
 282                        "# On branch %s", s->branch);
 283
 284        if (s->is_initial) {
 285                color_printf_ln(color(WT_STATUS_HEADER), "#");
 286                color_printf_ln(color(WT_STATUS_HEADER), "# Initial commit");
 287                color_printf_ln(color(WT_STATUS_HEADER), "#");
 288                wt_status_print_initial(s);
 289        }
 290        else {
 291                wt_status_print_updated(s);
 292                discard_cache();
 293        }
 294
 295        wt_status_print_changed(s);
 296        wt_status_print_untracked(s);
 297
 298        if (s->verbose && !s->is_initial)
 299                wt_status_print_verbose(s);
 300        if (!s->commitable) {
 301                if (s->amend)
 302                        printf("# No changes\n");
 303                else if (s->workdir_clean)
 304                        printf(s->is_initial
 305                               ? "nothing to commit\n"
 306                               : "nothing to commit (working directory matches HEAD)\n");
 307                else
 308                        printf("no changes added to commit (use \"git add\" and/or \"git commit [-a|-i|-o]\")\n");
 309        }
 310}
 311
 312int git_status_config(const char *k, const char *v)
 313{
 314        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 315                wt_status_use_color = git_config_colorbool(k, v);
 316                return 0;
 317        }
 318        if (!strncmp(k, "status.color.", 13) || !strncmp(k, "color.status", 13)) {
 319                int slot = parse_status_slot(k, 13);
 320                color_parse(v, k, wt_status_colors[slot]);
 321        }
 322        return git_default_config(k, v);
 323}