wt-status.con commit Merge branch 'jk/maint-send-email-compose' (c01cdde)
   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#include "quote.h"
  11#include "run-command.h"
  12
  13int wt_status_relative_paths = 1;
  14int wt_status_use_color = -1;
  15int wt_status_submodule_summary;
  16static char wt_status_colors[][COLOR_MAXLEN] = {
  17        "",         /* WT_STATUS_HEADER: normal */
  18        "\033[32m", /* WT_STATUS_UPDATED: green */
  19        "\033[31m", /* WT_STATUS_CHANGED: red */
  20        "\033[31m", /* WT_STATUS_UNTRACKED: red */
  21};
  22
  23static const char use_add_msg[] =
  24"use \"git add <file>...\" to update what will be committed";
  25static const char use_add_rm_msg[] =
  26"use \"git add/rm <file>...\" to update what will be committed";
  27static const char use_add_to_include_msg[] =
  28"use \"git add <file>...\" to include in what will be committed";
  29
  30static int parse_status_slot(const char *var, int offset)
  31{
  32        if (!strcasecmp(var+offset, "header"))
  33                return WT_STATUS_HEADER;
  34        if (!strcasecmp(var+offset, "updated")
  35                || !strcasecmp(var+offset, "added"))
  36                return WT_STATUS_UPDATED;
  37        if (!strcasecmp(var+offset, "changed"))
  38                return WT_STATUS_CHANGED;
  39        if (!strcasecmp(var+offset, "untracked"))
  40                return WT_STATUS_UNTRACKED;
  41        die("bad config variable '%s'", var);
  42}
  43
  44static const char* color(int slot)
  45{
  46        return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
  47}
  48
  49void wt_status_prepare(struct wt_status *s)
  50{
  51        unsigned char sha1[20];
  52        const char *head;
  53
  54        memset(s, 0, sizeof(*s));
  55        head = resolve_ref("HEAD", sha1, 0, NULL);
  56        s->branch = head ? xstrdup(head) : NULL;
  57        s->reference = "HEAD";
  58        s->fp = stdout;
  59        s->index_file = get_index_file();
  60}
  61
  62static void wt_status_print_cached_header(struct wt_status *s)
  63{
  64        const char *c = color(WT_STATUS_HEADER);
  65        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  66        if (!s->is_initial) {
  67                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  68        } else {
  69                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  70        }
  71        color_fprintf_ln(s->fp, c, "#");
  72}
  73
  74static void wt_status_print_header(struct wt_status *s,
  75                                   const char *main, const char *sub)
  76{
  77        const char *c = color(WT_STATUS_HEADER);
  78        color_fprintf_ln(s->fp, c, "# %s:", main);
  79        color_fprintf_ln(s->fp, c, "#   (%s)", sub);
  80        color_fprintf_ln(s->fp, c, "#");
  81}
  82
  83static void wt_status_print_trailer(struct wt_status *s)
  84{
  85        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  86}
  87
  88#define quote_path quote_path_relative
  89
  90static void wt_status_print_filepair(struct wt_status *s,
  91                                     int t, struct diff_filepair *p)
  92{
  93        const char *c = color(t);
  94        const char *one, *two;
  95        struct strbuf onebuf, twobuf;
  96
  97        strbuf_init(&onebuf, 0);
  98        strbuf_init(&twobuf, 0);
  99        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
 100        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 101
 102        color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 103        switch (p->status) {
 104        case DIFF_STATUS_ADDED:
 105                color_fprintf(s->fp, c, "new file:   %s", one);
 106                break;
 107        case DIFF_STATUS_COPIED:
 108                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 109                break;
 110        case DIFF_STATUS_DELETED:
 111                color_fprintf(s->fp, c, "deleted:    %s", one);
 112                break;
 113        case DIFF_STATUS_MODIFIED:
 114                color_fprintf(s->fp, c, "modified:   %s", one);
 115                break;
 116        case DIFF_STATUS_RENAMED:
 117                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 118                break;
 119        case DIFF_STATUS_TYPE_CHANGED:
 120                color_fprintf(s->fp, c, "typechange: %s", one);
 121                break;
 122        case DIFF_STATUS_UNKNOWN:
 123                color_fprintf(s->fp, c, "unknown:    %s", one);
 124                break;
 125        case DIFF_STATUS_UNMERGED:
 126                color_fprintf(s->fp, c, "unmerged:   %s", one);
 127                break;
 128        default:
 129                die("bug: unhandled diff status %c", p->status);
 130        }
 131        fprintf(s->fp, "\n");
 132        strbuf_release(&onebuf);
 133        strbuf_release(&twobuf);
 134}
 135
 136static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 137                struct diff_options *options,
 138                void *data)
 139{
 140        struct wt_status *s = data;
 141        int shown_header = 0;
 142        int i;
 143        for (i = 0; i < q->nr; i++) {
 144                if (q->queue[i]->status == 'U')
 145                        continue;
 146                if (!shown_header) {
 147                        wt_status_print_cached_header(s);
 148                        s->commitable = 1;
 149                        shown_header = 1;
 150                }
 151                wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
 152        }
 153        if (shown_header)
 154                wt_status_print_trailer(s);
 155}
 156
 157static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 158                        struct diff_options *options,
 159                        void *data)
 160{
 161        struct wt_status *s = data;
 162        int i;
 163        if (q->nr) {
 164                const char *msg = use_add_msg;
 165                s->workdir_dirty = 1;
 166                for (i = 0; i < q->nr; i++)
 167                        if (q->queue[i]->status == DIFF_STATUS_DELETED) {
 168                                msg = use_add_rm_msg;
 169                                break;
 170                        }
 171                wt_status_print_header(s, "Changed but not updated", msg);
 172        }
 173        for (i = 0; i < q->nr; i++)
 174                wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
 175        if (q->nr)
 176                wt_status_print_trailer(s);
 177}
 178
 179static void wt_status_print_initial(struct wt_status *s)
 180{
 181        int i;
 182        struct strbuf buf;
 183
 184        strbuf_init(&buf, 0);
 185        if (active_nr) {
 186                s->commitable = 1;
 187                wt_status_print_cached_header(s);
 188        }
 189        for (i = 0; i < active_nr; i++) {
 190                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 191                color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
 192                                quote_path(active_cache[i]->name, -1,
 193                                           &buf, s->prefix));
 194        }
 195        if (active_nr)
 196                wt_status_print_trailer(s);
 197        strbuf_release(&buf);
 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        rev.diffopt.rename_limit = 200;
 210        rev.diffopt.break_opt = 0;
 211        run_diff_index(&rev, 1);
 212}
 213
 214static void wt_status_print_changed(struct wt_status *s)
 215{
 216        struct rev_info rev;
 217        init_revisions(&rev, "");
 218        setup_revisions(0, NULL, &rev, NULL);
 219        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 220        rev.diffopt.format_callback = wt_status_print_changed_cb;
 221        rev.diffopt.format_callback_data = s;
 222        run_diff_files(&rev, 0);
 223}
 224
 225static void wt_status_print_submodule_summary(struct wt_status *s)
 226{
 227        struct child_process sm_summary;
 228        char summary_limit[64];
 229        char index[PATH_MAX];
 230        const char *env[] = { index, NULL };
 231        const char *argv[] = {
 232                "submodule",
 233                "summary",
 234                "--cached",
 235                "--for-status",
 236                "--summary-limit",
 237                summary_limit,
 238                s->amend ? "HEAD^" : "HEAD",
 239                NULL
 240        };
 241
 242        sprintf(summary_limit, "%d", wt_status_submodule_summary);
 243        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 244
 245        memset(&sm_summary, 0, sizeof(sm_summary));
 246        sm_summary.argv = argv;
 247        sm_summary.env = env;
 248        sm_summary.git_cmd = 1;
 249        sm_summary.no_stdin = 1;
 250        fflush(s->fp);
 251        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 252        run_command(&sm_summary);
 253}
 254
 255static void wt_status_print_untracked(struct wt_status *s)
 256{
 257        struct dir_struct dir;
 258        int i;
 259        int shown_header = 0;
 260        struct strbuf buf;
 261
 262        strbuf_init(&buf, 0);
 263        memset(&dir, 0, sizeof(dir));
 264
 265        if (!s->untracked) {
 266                dir.show_other_directories = 1;
 267                dir.hide_empty_directories = 1;
 268        }
 269        setup_standard_excludes(&dir);
 270
 271        read_directory(&dir, ".", "", 0, NULL);
 272        for(i = 0; i < dir.nr; i++) {
 273                /* check for matching entry, which is unmerged; lifted from
 274                 * builtin-ls-files:show_other_files */
 275                struct dir_entry *ent = dir.entries[i];
 276                int pos = cache_name_pos(ent->name, ent->len);
 277                struct cache_entry *ce;
 278                if (0 <= pos)
 279                        die("bug in wt_status_print_untracked");
 280                pos = -pos - 1;
 281                if (pos < active_nr) {
 282                        ce = active_cache[pos];
 283                        if (ce_namelen(ce) == ent->len &&
 284                            !memcmp(ce->name, ent->name, ent->len))
 285                                continue;
 286                }
 287                if (!shown_header) {
 288                        s->workdir_untracked = 1;
 289                        wt_status_print_header(s, "Untracked files",
 290                                               use_add_to_include_msg);
 291                        shown_header = 1;
 292                }
 293                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 294                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 295                                quote_path(ent->name, ent->len,
 296                                        &buf, s->prefix));
 297        }
 298        strbuf_release(&buf);
 299}
 300
 301static void wt_status_print_verbose(struct wt_status *s)
 302{
 303        struct rev_info rev;
 304
 305        init_revisions(&rev, NULL);
 306        setup_revisions(0, NULL, &rev, s->reference);
 307        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 308        rev.diffopt.detect_rename = 1;
 309        rev.diffopt.file = s->fp;
 310        rev.diffopt.close_file = 0;
 311        run_diff_index(&rev, 1);
 312}
 313
 314void wt_status_print(struct wt_status *s)
 315{
 316        unsigned char sha1[20];
 317        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 318
 319        if (s->branch) {
 320                const char *on_what = "On branch ";
 321                const char *branch_name = s->branch;
 322                if (!prefixcmp(branch_name, "refs/heads/"))
 323                        branch_name += 11;
 324                else if (!strcmp(branch_name, "HEAD")) {
 325                        branch_name = "";
 326                        on_what = "Not currently on any branch.";
 327                }
 328                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 329                        "# %s%s", on_what, branch_name);
 330        }
 331
 332        if (s->is_initial) {
 333                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 334                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 335                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 336                wt_status_print_initial(s);
 337        }
 338        else {
 339                wt_status_print_updated(s);
 340        }
 341
 342        wt_status_print_changed(s);
 343        if (wt_status_submodule_summary)
 344                wt_status_print_submodule_summary(s);
 345        wt_status_print_untracked(s);
 346
 347        if (s->verbose && !s->is_initial)
 348                wt_status_print_verbose(s);
 349        if (!s->commitable) {
 350                if (s->amend)
 351                        fprintf(s->fp, "# No changes\n");
 352                else if (s->nowarn)
 353                        ; /* nothing */
 354                else if (s->workdir_dirty)
 355                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 356                else if (s->workdir_untracked)
 357                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 358                else if (s->is_initial)
 359                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 360                else
 361                        printf("nothing to commit (working directory clean)\n");
 362        }
 363}
 364
 365int git_status_config(const char *k, const char *v)
 366{
 367        if (!strcmp(k, "status.submodulesummary")) {
 368                int is_bool;
 369                wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 370                if (is_bool && wt_status_submodule_summary)
 371                        wt_status_submodule_summary = -1;
 372                return 0;
 373        }
 374        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 375                wt_status_use_color = git_config_colorbool(k, v, -1);
 376                return 0;
 377        }
 378        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 379                int slot = parse_status_slot(k, 13);
 380                if (!v)
 381                        return config_error_nonbool(k);
 382                color_parse(v, k, wt_status_colors[slot]);
 383                return 0;
 384        }
 385        if (!strcmp(k, "status.relativepaths")) {
 386                wt_status_relative_paths = git_config_bool(k, v);
 387                return 0;
 388        }
 389        return git_color_default_config(k, v);
 390}