Merge branch 'jl/submodule-diff-dirtiness'
authorJunio C Hamano <gitster@pobox.com>
Wed, 24 Mar 2010 23:25:43 +0000 (16:25 -0700)
committerJunio C Hamano <gitster@pobox.com>
Wed, 24 Mar 2010 23:25:43 +0000 (16:25 -0700)
* jl/submodule-diff-dirtiness:
git status: ignoring untracked files must apply to submodules too
git status: Fix false positive "new commits" output for dirty submodules
Refactor dirty submodule detection in diff-lib.c
git status: Show detailed dirty status of submodules in long format
git diff --submodule: Show detailed dirty status of submodules

1  2 
diff-lib.c
diff.c
wt-status.c
diff --combined diff-lib.c
index 64976f921d58877d73e147b0abd74dafc878da9a,c50f7e39847a5363c8d8859e381259ffd6e57f0b..c9f6e05badf7b752188dcb5fa28a9bef53521dee
@@@ -55,6 -55,27 +55,27 @@@ static int check_removed(const struct c
        return 0;
  }
  
+ /*
+  * Has a file changed or has a submodule new commits or a dirty work tree?
+  *
+  * Return 1 when changes are detected, 0 otherwise. If the DIRTY_SUBMODULES
+  * option is set, the caller does not only want to know if a submodule is
+  * modified at all but wants to know all the conditions that are met (new
+  * commits, untracked content and/or modified content).
+  */
+ static int match_stat_with_submodule(struct diff_options *diffopt,
+                                     struct cache_entry *ce, struct stat *st,
+                                     unsigned ce_option, unsigned *dirty_submodule)
+ {
+       int changed = ce_match_stat(ce, st, ce_option);
+       if (S_ISGITLINK(ce->ce_mode)
+           && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)
+           && (!changed || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES))) {
+               *dirty_submodule = is_submodule_modified(ce->name, DIFF_OPT_TST(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES));
+       }
+       return changed;
+ }
  int run_diff_files(struct rev_info *revs, unsigned int option)
  {
        int entries, i;
                                       ce->sha1, ce->name, 0);
                        continue;
                }
-               changed = ce_match_stat(ce, &st, ce_option);
-               if (S_ISGITLINK(ce->ce_mode)
-                   && !DIFF_OPT_TST(&revs->diffopt, IGNORE_SUBMODULES)
-                   && (!changed || (revs->diffopt.output_format & DIFF_FORMAT_PATCH))
-                   && is_submodule_modified(ce->name)) {
-                       changed = 1;
-                       dirty_submodule = 1;
-               }
-               if (!changed) {
+               changed = match_stat_with_submodule(&revs->diffopt, ce, &st,
+                                                   ce_option, &dirty_submodule);
+               if (!changed && !dirty_submodule) {
                        ce_mark_uptodate(ce);
                        if (!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
                                continue;
@@@ -240,14 -255,8 +255,8 @@@ static int get_stat_data(struct cache_e
                        }
                        return -1;
                }
-               changed = ce_match_stat(ce, &st, 0);
-               if (S_ISGITLINK(ce->ce_mode)
-                   && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)
-                   && (!changed || (diffopt->output_format & DIFF_FORMAT_PATCH))
-                   && is_submodule_modified(ce->name)) {
-                       changed = 1;
-                       *dirty_submodule = 1;
-               }
+               changed = match_stat_with_submodule(diffopt, ce, &st,
+                                                   0, dirty_submodule);
                if (changed) {
                        mode = ce_mode_from_stat(ce, st.st_mode);
                        sha1 = null_sha1;
@@@ -322,7 -331,7 +331,7 @@@ static int show_modified(struct rev_inf
        }
  
        oldmode = old->ce_mode;
-       if (mode == oldmode && !hashcmp(sha1, old->sha1) &&
+       if (mode == oldmode && !hashcmp(sha1, old->sha1) && !dirty_submodule &&
            !DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
                return 0;
  
@@@ -510,12 -519,9 +519,12 @@@ int do_diff_cache(const unsigned char *
  int index_differs_from(const char *def, int diff_flags)
  {
        struct rev_info rev;
 +      struct setup_revision_opt opt;
  
        init_revisions(&rev, NULL);
 -      setup_revisions(0, NULL, &rev, def);
 +      memset(&opt, 0, sizeof(opt));
 +      opt.def = def;
 +      setup_revisions(0, NULL, &rev, &opt);
        DIFF_OPT_SET(&rev.diffopt, QUICK);
        DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
        rev.diffopt.flags |= diff_flags;
diff --combined diff.c
index dfdfa1a813c345b7653b1743afa75ff15d8c379f,8fd020fa4773806fdeab3f311ab7a184bf99273a..f5d93e9694d2f5e78bfa3d8dc886968d7cdd5867
--- 1/diff.c
--- 2/diff.c
+++ b/diff.c
@@@ -2032,7 -2032,7 +2032,7 @@@ static int diff_populate_gitlink(struc
        char *data = xmalloc(100), *dirty = "";
  
        /* Are we looking at the work tree? */
-       if (!s->sha1_valid && s->dirty_submodule)
+       if (s->dirty_submodule)
                dirty = "-dirty";
  
        len = snprintf(data, 100,
@@@ -2628,6 -2628,12 +2628,12 @@@ int diff_setup_done(struct diff_option
         */
        if (options->pickaxe)
                DIFF_OPT_SET(options, RECURSIVE);
+       /*
+        * When patches are generated, submodules diffed against the work tree
+        * must be checked for dirtiness too so it can be shown in the output
+        */
+       if (options->output_format & DIFF_FORMAT_PATCH)
+               DIFF_OPT_SET(options, DIRTY_SUBMODULES);
  
        if (options->detect_rename && options->rename_limit < 0)
                options->rename_limit = diff_rename_limit_default;
@@@ -2826,15 -2832,6 +2832,15 @@@ int diff_opt_parse(struct diff_options 
                DIFF_OPT_SET(options, FOLLOW_RENAMES);
        else if (!strcmp(arg, "--color"))
                DIFF_OPT_SET(options, COLOR_DIFF);
 +      else if (!prefixcmp(arg, "--color=")) {
 +              int value = git_config_colorbool(NULL, arg+8, -1);
 +              if (value == 0)
 +                      DIFF_OPT_CLR(options, COLOR_DIFF);
 +              else if (value > 0)
 +                      DIFF_OPT_SET(options, COLOR_DIFF);
 +              else
 +                      return error("option `color' expects \"always\", \"auto\", or \"never\"");
 +      }
        else if (!strcmp(arg, "--no-color"))
                DIFF_OPT_CLR(options, COLOR_DIFF);
        else if (!strcmp(arg, "--color-words")) {
                ;
        else if (!prefixcmp(arg, "--output=")) {
                options->file = fopen(arg + strlen("--output="), "w");
 +              if (!options->file)
 +                      die_errno("Could not open '%s'", arg + strlen("--output="));
                options->close_file = 1;
        } else
                return 0;
@@@ -3086,7 -3081,8 +3092,8 @@@ int diff_unmodified_pair(struct diff_fi
         * dealing with a change.
         */
        if (one->sha1_valid && two->sha1_valid &&
-           !hashcmp(one->sha1, two->sha1))
+           !hashcmp(one->sha1, two->sha1) &&
+           !one->dirty_submodule && !two->dirty_submodule)
                return 1; /* no change */
        if (!one->sha1_valid && !two->sha1_valid)
                return 1; /* both look at the same file on the filesystem. */
@@@ -3221,6 -3217,8 +3228,8 @@@ static void diff_resolve_rename_copy(vo
                }
                else if (hashcmp(p->one->sha1, p->two->sha1) ||
                         p->one->mode != p->two->mode ||
+                        p->one->dirty_submodule ||
+                        p->two->dirty_submodule ||
                         is_null_sha1(p->one->sha1))
                        p->status = DIFF_STATUS_MODIFIED;
                else {
@@@ -3531,29 -3529,6 +3540,29 @@@ void diff_flush(struct diff_options *op
                separator++;
        }
  
 +      if (output_format & DIFF_FORMAT_NO_OUTPUT &&
 +          DIFF_OPT_TST(options, EXIT_WITH_STATUS) &&
 +          DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) {
 +              /*
 +               * run diff_flush_patch for the exit status. setting
 +               * options->file to /dev/null should be safe, becaue we
 +               * aren't supposed to produce any output anyway.
 +               */
 +              if (options->close_file)
 +                      fclose(options->file);
 +              options->file = fopen("/dev/null", "w");
 +              if (!options->file)
 +                      die_errno("Could not open /dev/null");
 +              options->close_file = 1;
 +              for (i = 0; i < q->nr; i++) {
 +                      struct diff_filepair *p = q->queue[i];
 +                      if (check_pair_status(p))
 +                              diff_flush_patch(p, options);
 +                      if (options->found_changes)
 +                              break;
 +              }
 +      }
 +
        if (output_format & DIFF_FORMAT_PATCH) {
                if (separator) {
                        putc(options->line_termination, options->file);
@@@ -3676,7 -3651,7 +3685,7 @@@ static void diffcore_skip_stat_unmatch(
                struct diff_filepair *p = q->queue[i];
  
                /*
 -               * 1. Entries that come from stat info dirtyness
 +               * 1. Entries that come from stat info dirtiness
                 *    always have both sides (iow, not create/delete),
                 *    one side of the object name is unknown, with
                 *    the same mode and size.  Keep the ones that
diff --combined wt-status.c
index dcaec7f09e8801c0822a27ce2f9736eb05eaa105,5848f1c90802e8833c43c6e395420cf13e9a8a6a..8ca59a2d2abec0c9c4629cd4ae7340fcd79a0c7e
@@@ -78,7 -78,8 +78,8 @@@ static void wt_status_print_cached_head
  }
  
  static void wt_status_print_dirty_header(struct wt_status *s,
-                                        int has_deleted)
+                                        int has_deleted,
+                                        int has_dirty_submodules)
  {
        const char *c = color(WT_STATUS_HEADER, s);
  
@@@ -90,6 -91,8 +91,8 @@@
        else
                color_fprintf_ln(s->fp, c, "#   (use \"git add/rm <file>...\" to update what will be committed)");
        color_fprintf_ln(s->fp, c, "#   (use \"git checkout -- <file>...\" to discard changes in working directory)");
+       if (has_dirty_submodules)
+               color_fprintf_ln(s->fp, c, "#   (commit or discard the untracked or modified content in submodules)");
        color_fprintf_ln(s->fp, c, "#");
  }
  
@@@ -144,6 -147,7 +147,7 @@@ static void wt_status_print_change_data
        char *two_name;
        const char *one, *two;
        struct strbuf onebuf = STRBUF_INIT, twobuf = STRBUF_INIT;
+       struct strbuf extra = STRBUF_INIT;
  
        one_name = two_name = it->string;
        switch (change_type) {
                        one_name = d->head_path;
                break;
        case WT_STATUS_CHANGED:
+               if (d->new_submodule_commits || d->dirty_submodule) {
+                       strbuf_addstr(&extra, " (");
+                       if (d->new_submodule_commits)
+                               strbuf_addf(&extra, "new commits, ");
+                       if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
+                               strbuf_addf(&extra, "modified content, ");
+                       if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
+                               strbuf_addf(&extra, "untracked content, ");
+                       strbuf_setlen(&extra, extra.len - 2);
+                       strbuf_addch(&extra, ')');
+               }
                status = d->worktree_status;
                break;
        }
        default:
                die("bug: unhandled diff status %c", status);
        }
+       if (extra.len) {
+               color_fprintf(s->fp, color(WT_STATUS_HEADER, s), "%s", extra.buf);
+               strbuf_release(&extra);
+       }
        fprintf(s->fp, "\n");
        strbuf_release(&onebuf);
        strbuf_release(&twobuf);
@@@ -218,6 -237,9 +237,9 @@@ static void wt_status_collect_changed_c
                }
                if (!d->worktree_status)
                        d->worktree_status = p->status;
+               d->dirty_submodule = p->two->dirty_submodule;
+               if (S_ISGITLINK(p->two->mode))
+                       d->new_submodule_commits = !!hashcmp(p->one->sha1, p->two->sha1);
        }
  }
  
@@@ -281,6 -303,9 +303,9 @@@ static void wt_status_collect_changes_w
        init_revisions(&rev, NULL);
        setup_revisions(0, NULL, &rev, NULL);
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
+       DIFF_OPT_SET(&rev.diffopt, DIRTY_SUBMODULES);
+       if (!s->show_untracked_files)
+               DIFF_OPT_SET(&rev.diffopt, IGNORE_UNTRACKED_IN_SUBMODULES);
        rev.diffopt.format_callback = wt_status_collect_changed_cb;
        rev.diffopt.format_callback_data = s;
        rev.prune_data = s->pathspec;
  static void wt_status_collect_changes_index(struct wt_status *s)
  {
        struct rev_info rev;
 +      struct setup_revision_opt opt;
  
        init_revisions(&rev, NULL);
 -      setup_revisions(0, NULL, &rev,
 -              s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 +      memset(&opt, 0, sizeof(opt));
 +      opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 +      setup_revisions(0, NULL, &rev, &opt);
 +
        rev.diffopt.output_format |= DIFF_FORMAT_CALLBACK;
        rev.diffopt.format_callback = wt_status_collect_updated_cb;
        rev.diffopt.format_callback_data = s;
@@@ -421,33 -443,39 +446,39 @@@ static void wt_status_print_updated(str
   *  0 : no change
   *  1 : some change but no delete
   */
- static int wt_status_check_worktree_changes(struct wt_status *s)
+ static int wt_status_check_worktree_changes(struct wt_status *s,
+                                            int *dirty_submodules)
  {
        int i;
        int changes = 0;
  
+       *dirty_submodules = 0;
        for (i = 0; i < s->change.nr; i++) {
                struct wt_status_change_data *d;
                d = s->change.items[i].util;
                if (!d->worktree_status ||
                    d->worktree_status == DIFF_STATUS_UNMERGED)
                        continue;
-               changes = 1;
+               if (!changes)
+                       changes = 1;
+               if (d->dirty_submodule)
+                       *dirty_submodules = 1;
                if (d->worktree_status == DIFF_STATUS_DELETED)
-                       return -1;
+                       changes = -1;
        }
        return changes;
  }
  
  static void wt_status_print_changed(struct wt_status *s)
  {
-       int i;
-       int worktree_changes = wt_status_check_worktree_changes(s);
+       int i, dirty_submodules;
+       int worktree_changes = wt_status_check_worktree_changes(s, &dirty_submodules);
  
        if (!worktree_changes)
                return;
  
-       wt_status_print_dirty_header(s, worktree_changes < 0);
+       wt_status_print_dirty_header(s, worktree_changes < 0, dirty_submodules);
  
        for (i = 0; i < s->change.nr; i++) {
                struct wt_status_change_data *d;
@@@ -515,15 -543,11 +546,15 @@@ static void wt_status_print_untracked(s
  static void wt_status_print_verbose(struct wt_status *s)
  {
        struct rev_info rev;
 +      struct setup_revision_opt opt;
  
        init_revisions(&rev, NULL);
        DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
 -      setup_revisions(0, NULL, &rev,
 -              s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference);
 +
 +      memset(&opt, 0, sizeof(opt));
 +      opt.def = s->is_initial ? EMPTY_TREE_SHA1_HEX : s->reference;
 +      setup_revisions(0, NULL, &rev, &opt);
 +
        rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
        rev.diffopt.detect_rename = 1;
        rev.diffopt.file = s->fp;