wt-status.con commit wt-status: Split header generation into three functions (bb914b1)
   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#include "remote.h"
  13
  14int wt_status_relative_paths = 1;
  15int wt_status_use_color = -1;
  16int wt_status_submodule_summary;
  17static char wt_status_colors[][COLOR_MAXLEN] = {
  18        "",         /* WT_STATUS_HEADER: normal */
  19        "\033[32m", /* WT_STATUS_UPDATED: green */
  20        "\033[31m", /* WT_STATUS_CHANGED: red */
  21        "\033[31m", /* WT_STATUS_UNTRACKED: red */
  22        "\033[31m", /* WT_STATUS_NOBRANCH: red */
  23};
  24
  25enum untracked_status_type show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
  26
  27static int parse_status_slot(const char *var, int offset)
  28{
  29        if (!strcasecmp(var+offset, "header"))
  30                return WT_STATUS_HEADER;
  31        if (!strcasecmp(var+offset, "updated")
  32                || !strcasecmp(var+offset, "added"))
  33                return WT_STATUS_UPDATED;
  34        if (!strcasecmp(var+offset, "changed"))
  35                return WT_STATUS_CHANGED;
  36        if (!strcasecmp(var+offset, "untracked"))
  37                return WT_STATUS_UNTRACKED;
  38        if (!strcasecmp(var+offset, "nobranch"))
  39                return WT_STATUS_NOBRANCH;
  40        die("bad config variable '%s'", var);
  41}
  42
  43static const char* color(int slot)
  44{
  45        return wt_status_use_color > 0 ? wt_status_colors[slot] : "";
  46}
  47
  48void wt_status_prepare(struct wt_status *s)
  49{
  50        unsigned char sha1[20];
  51        const char *head;
  52
  53        memset(s, 0, sizeof(*s));
  54        head = resolve_ref("HEAD", sha1, 0, NULL);
  55        s->branch = head ? xstrdup(head) : NULL;
  56        s->reference = "HEAD";
  57        s->fp = stdout;
  58        s->index_file = get_index_file();
  59}
  60
  61static void wt_status_print_cached_header(struct wt_status *s)
  62{
  63        const char *c = color(WT_STATUS_HEADER);
  64        color_fprintf_ln(s->fp, c, "# Changes to be committed:");
  65        if (!s->is_initial) {
  66                color_fprintf_ln(s->fp, c, "#   (use \"git reset %s <file>...\" to unstage)", s->reference);
  67        } else {
  68                color_fprintf_ln(s->fp, c, "#   (use \"git rm --cached <file>...\" to unstage)");
  69        }
  70        color_fprintf_ln(s->fp, c, "#");
  71}
  72
  73static void wt_status_print_dirty_header(struct wt_status *s,
  74                                         int has_deleted)
  75{
  76        const char *c = color(WT_STATUS_HEADER);
  77        color_fprintf_ln(s->fp, c, "# Changed but not updated:");
  78        if (!has_deleted)
  79                color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to update what will be committed)");
  80        else
  81                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
  82        color_fprintf_ln(s->fp, c, "#");
  83}
  84
  85static void wt_status_print_untracked_header(struct wt_status *s)
  86{
  87        const char *c = color(WT_STATUS_HEADER);
  88        color_fprintf_ln(s->fp, c, "# Untracked files:");
  89        color_fprintf_ln(s->fp, c, "#   (use \"git add <file>...\" to include in what will be committed)");
  90        color_fprintf_ln(s->fp, c, "#");
  91}
  92
  93static void wt_status_print_trailer(struct wt_status *s)
  94{
  95        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
  96}
  97
  98#define quote_path quote_path_relative
  99
 100static void wt_status_print_filepair(struct wt_status *s,
 101                                     int t, struct diff_filepair *p)
 102{
 103        const char *c = color(t);
 104        const char *one, *two;
 105        struct strbuf onebuf, twobuf;
 106
 107        strbuf_init(&onebuf, 0);
 108        strbuf_init(&twobuf, 0);
 109        one = quote_path(p->one->path, -1, &onebuf, s->prefix);
 110        two = quote_path(p->two->path, -1, &twobuf, s->prefix);
 111
 112        color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 113        switch (p->status) {
 114        case DIFF_STATUS_ADDED:
 115                color_fprintf(s->fp, c, "new file:   %s", one);
 116                break;
 117        case DIFF_STATUS_COPIED:
 118                color_fprintf(s->fp, c, "copied:     %s -> %s", one, two);
 119                break;
 120        case DIFF_STATUS_DELETED:
 121                color_fprintf(s->fp, c, "deleted:    %s", one);
 122                break;
 123        case DIFF_STATUS_MODIFIED:
 124                color_fprintf(s->fp, c, "modified:   %s", one);
 125                break;
 126        case DIFF_STATUS_RENAMED:
 127                color_fprintf(s->fp, c, "renamed:    %s -> %s", one, two);
 128                break;
 129        case DIFF_STATUS_TYPE_CHANGED:
 130                color_fprintf(s->fp, c, "typechange: %s", one);
 131                break;
 132        case DIFF_STATUS_UNKNOWN:
 133                color_fprintf(s->fp, c, "unknown:    %s", one);
 134                break;
 135        case DIFF_STATUS_UNMERGED:
 136                color_fprintf(s->fp, c, "unmerged:   %s", one);
 137                break;
 138        default:
 139                die("bug: unhandled diff status %c", p->status);
 140        }
 141        fprintf(s->fp, "\n");
 142        strbuf_release(&onebuf);
 143        strbuf_release(&twobuf);
 144}
 145
 146static void wt_status_print_updated_cb(struct diff_queue_struct *q,
 147                struct diff_options *options,
 148                void *data)
 149{
 150        struct wt_status *s = data;
 151        int shown_header = 0;
 152        int i;
 153        for (i = 0; i < q->nr; i++) {
 154                if (q->queue[i]->status == 'U')
 155                        continue;
 156                if (!shown_header) {
 157                        wt_status_print_cached_header(s);
 158                        s->commitable = 1;
 159                        shown_header = 1;
 160                }
 161                wt_status_print_filepair(s, WT_STATUS_UPDATED, q->queue[i]);
 162        }
 163        if (shown_header)
 164                wt_status_print_trailer(s);
 165}
 166
 167static void wt_status_print_changed_cb(struct diff_queue_struct *q,
 168                        struct diff_options *options,
 169                        void *data)
 170{
 171        struct wt_status *s = data;
 172        int i;
 173        if (q->nr) {
 174                int has_deleted = 0;
 175                s->workdir_dirty = 1;
 176                for (i = 0; i < q->nr; i++)
 177                        if (q->queue[i]->status == DIFF_STATUS_DELETED) {
 178                                has_deleted = 1;
 179                                break;
 180                        }
 181                wt_status_print_dirty_header(s, has_deleted);
 182        }
 183        for (i = 0; i < q->nr; i++)
 184                wt_status_print_filepair(s, WT_STATUS_CHANGED, q->queue[i]);
 185        if (q->nr)
 186                wt_status_print_trailer(s);
 187}
 188
 189static void wt_status_print_initial(struct wt_status *s)
 190{
 191        int i;
 192        struct strbuf buf;
 193
 194        strbuf_init(&buf, 0);
 195        if (active_nr) {
 196                s->commitable = 1;
 197                wt_status_print_cached_header(s);
 198        }
 199        for (i = 0; i < active_nr; i++) {
 200                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 201                color_fprintf_ln(s->fp, color(WT_STATUS_UPDATED), "new file: %s",
 202                                quote_path(active_cache[i]->name, -1,
 203                                           &buf, s->prefix));
 204        }
 205        if (active_nr)
 206                wt_status_print_trailer(s);
 207        strbuf_release(&buf);
 208}
 209
 210static void wt_status_print_updated(struct wt_status *s)
 211{
 212        struct rev_info rev;
 213        init_revisions(&rev, NULL);
 214        setup_revisions(0, NULL, &rev, s->reference);
 215        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 216        rev.diffopt.format_callback = wt_status_print_updated_cb;
 217        rev.diffopt.format_callback_data = s;
 218        rev.diffopt.detect_rename = 1;
 219        rev.diffopt.rename_limit = 200;
 220        rev.diffopt.break_opt = 0;
 221        run_diff_index(&rev, 1);
 222}
 223
 224static void wt_status_print_changed(struct wt_status *s)
 225{
 226        struct rev_info rev;
 227        init_revisions(&rev, "");
 228        setup_revisions(0, NULL, &rev, NULL);
 229        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
 230        rev.diffopt.format_callback = wt_status_print_changed_cb;
 231        rev.diffopt.format_callback_data = s;
 232        run_diff_files(&rev, 0);
 233}
 234
 235static void wt_status_print_submodule_summary(struct wt_status *s)
 236{
 237        struct child_process sm_summary;
 238        char summary_limit[64];
 239        char index[PATH_MAX];
 240        const char *env[] = { index, NULL };
 241        const char *argv[] = {
 242                "submodule",
 243                "summary",
 244                "--cached",
 245                "--for-status",
 246                "--summary-limit",
 247                summary_limit,
 248                s->amend ? "HEAD^" : "HEAD",
 249                NULL
 250        };
 251
 252        sprintf(summary_limit, "%d", wt_status_submodule_summary);
 253        snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
 254
 255        memset(&sm_summary, 0, sizeof(sm_summary));
 256        sm_summary.argv = argv;
 257        sm_summary.env = env;
 258        sm_summary.git_cmd = 1;
 259        sm_summary.no_stdin = 1;
 260        fflush(s->fp);
 261        sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */
 262        run_command(&sm_summary);
 263}
 264
 265static void wt_status_print_untracked(struct wt_status *s)
 266{
 267        struct dir_struct dir;
 268        int i;
 269        int shown_header = 0;
 270        struct strbuf buf;
 271
 272        strbuf_init(&buf, 0);
 273        memset(&dir, 0, sizeof(dir));
 274
 275        if (!s->untracked) {
 276                dir.show_other_directories = 1;
 277                dir.hide_empty_directories = 1;
 278        }
 279        setup_standard_excludes(&dir);
 280
 281        read_directory(&dir, ".", "", 0, NULL);
 282        for(i = 0; i < dir.nr; i++) {
 283                /* check for matching entry, which is unmerged; lifted from
 284                 * builtin-ls-files:show_other_files */
 285                struct dir_entry *ent = dir.entries[i];
 286                int pos = cache_name_pos(ent->name, ent->len);
 287                struct cache_entry *ce;
 288                if (0 <= pos)
 289                        die("bug in wt_status_print_untracked");
 290                pos = -pos - 1;
 291                if (pos < active_nr) {
 292                        ce = active_cache[pos];
 293                        if (ce_namelen(ce) == ent->len &&
 294                            !memcmp(ce->name, ent->name, ent->len))
 295                                continue;
 296                }
 297                if (!shown_header) {
 298                        s->workdir_untracked = 1;
 299                        wt_status_print_untracked_header(s);
 300                        shown_header = 1;
 301                }
 302                color_fprintf(s->fp, color(WT_STATUS_HEADER), "#\t");
 303                color_fprintf_ln(s->fp, color(WT_STATUS_UNTRACKED), "%s",
 304                                quote_path(ent->name, ent->len,
 305                                        &buf, s->prefix));
 306        }
 307        strbuf_release(&buf);
 308}
 309
 310static void wt_status_print_verbose(struct wt_status *s)
 311{
 312        struct rev_info rev;
 313
 314        init_revisions(&rev, NULL);
 315        setup_revisions(0, NULL, &rev, s->reference);
 316        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 317        rev.diffopt.detect_rename = 1;
 318        rev.diffopt.file = s->fp;
 319        rev.diffopt.close_file = 0;
 320        run_diff_index(&rev, 1);
 321}
 322
 323static void wt_status_print_tracking(struct wt_status *s)
 324{
 325        struct strbuf sb = STRBUF_INIT;
 326        const char *cp, *ep;
 327        struct branch *branch;
 328
 329        assert(s->branch && !s->is_initial);
 330        if (prefixcmp(s->branch, "refs/heads/"))
 331                return;
 332        branch = branch_get(s->branch + 11);
 333        if (!format_tracking_info(branch, &sb))
 334                return;
 335
 336        for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1)
 337                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER),
 338                                 "# %.*s", (int)(ep - cp), cp);
 339        color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 340}
 341
 342void wt_status_print(struct wt_status *s)
 343{
 344        unsigned char sha1[20];
 345        const char *branch_color = color(WT_STATUS_HEADER);
 346
 347        s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
 348        if (s->branch) {
 349                const char *on_what = "On branch ";
 350                const char *branch_name = s->branch;
 351                if (!prefixcmp(branch_name, "refs/heads/"))
 352                        branch_name += 11;
 353                else if (!strcmp(branch_name, "HEAD")) {
 354                        branch_name = "";
 355                        branch_color = color(WT_STATUS_NOBRANCH);
 356                        on_what = "Not currently on any branch.";
 357                }
 358                color_fprintf(s->fp, color(WT_STATUS_HEADER), "# ");
 359                color_fprintf_ln(s->fp, branch_color, "%s%s", on_what, branch_name);
 360                if (!s->is_initial)
 361                        wt_status_print_tracking(s);
 362        }
 363
 364        if (s->is_initial) {
 365                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 366                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "# Initial commit");
 367                color_fprintf_ln(s->fp, color(WT_STATUS_HEADER), "#");
 368                wt_status_print_initial(s);
 369        }
 370        else {
 371                wt_status_print_updated(s);
 372        }
 373
 374        wt_status_print_changed(s);
 375        if (wt_status_submodule_summary)
 376                wt_status_print_submodule_summary(s);
 377        if (show_untracked_files)
 378                wt_status_print_untracked(s);
 379        else if (s->commitable)
 380                 fprintf(s->fp, "# Untracked files not listed (use -u option to show untracked files)\n");
 381
 382        if (s->verbose && !s->is_initial)
 383                wt_status_print_verbose(s);
 384        if (!s->commitable) {
 385                if (s->amend)
 386                        fprintf(s->fp, "# No changes\n");
 387                else if (s->nowarn)
 388                        ; /* nothing */
 389                else if (s->workdir_dirty)
 390                        printf("no changes added to commit (use \"git add\" and/or \"git commit -a\")\n");
 391                else if (s->workdir_untracked)
 392                        printf("nothing added to commit but untracked files present (use \"git add\" to track)\n");
 393                else if (s->is_initial)
 394                        printf("nothing to commit (create/copy files and use \"git add\" to track)\n");
 395                else if (!show_untracked_files)
 396                        printf("nothing to commit (use -u to show untracked files)\n");
 397                else
 398                        printf("nothing to commit (working directory clean)\n");
 399        }
 400}
 401
 402int git_status_config(const char *k, const char *v, void *cb)
 403{
 404        if (!strcmp(k, "status.submodulesummary")) {
 405                int is_bool;
 406                wt_status_submodule_summary = git_config_bool_or_int(k, v, &is_bool);
 407                if (is_bool && wt_status_submodule_summary)
 408                        wt_status_submodule_summary = -1;
 409                return 0;
 410        }
 411        if (!strcmp(k, "status.color") || !strcmp(k, "color.status")) {
 412                wt_status_use_color = git_config_colorbool(k, v, -1);
 413                return 0;
 414        }
 415        if (!prefixcmp(k, "status.color.") || !prefixcmp(k, "color.status.")) {
 416                int slot = parse_status_slot(k, 13);
 417                if (!v)
 418                        return config_error_nonbool(k);
 419                color_parse(v, k, wt_status_colors[slot]);
 420                return 0;
 421        }
 422        if (!strcmp(k, "status.relativepaths")) {
 423                wt_status_relative_paths = git_config_bool(k, v);
 424                return 0;
 425        }
 426        if (!strcmp(k, "status.showuntrackedfiles")) {
 427                if (!v)
 428                        return config_error_nonbool(k);
 429                else if (!strcmp(v, "no"))
 430                        show_untracked_files = SHOW_NO_UNTRACKED_FILES;
 431                else if (!strcmp(v, "normal"))
 432                        show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
 433                else if (!strcmp(v, "all"))
 434                        show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
 435                else
 436                        return error("Invalid untracked files mode '%s'", v);
 437                return 0;
 438        }
 439        return git_color_default_config(k, v, cb);
 440}