bisect: refactor sha1_array into a generic sha1 list
[gitweb.git] / revision.c
index 7b9eaefae4ed03e994c2122453144b3c09591b9c..0f38364cf3f81a9088305ca802adf8b7c9260e91 100644 (file)
@@ -323,7 +323,7 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
                 * tagged commit by specifying both --simplify-by-decoration
                 * and pathspec.
                 */
-               if (!revs->prune_data)
+               if (!revs->prune_data.nr)
                        return REV_TREE_SAME;
        }
 
@@ -535,6 +535,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
        int left_count = 0, right_count = 0;
        int left_first;
        struct patch_ids ids;
+       unsigned cherry_flag;
 
        /* First count the commits on the left and on the right */
        for (p = list; p; p = p->next) {
@@ -553,11 +554,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
 
        left_first = left_count < right_count;
        init_patch_ids(&ids);
-       if (revs->diffopt.nr_paths) {
-               ids.diffopts.nr_paths = revs->diffopt.nr_paths;
-               ids.diffopts.paths = revs->diffopt.paths;
-               ids.diffopts.pathlens = revs->diffopt.pathlens;
-       }
+       ids.diffopts.pathspec = revs->diffopt.pathspec;
 
        /* Compute patch-ids for one side */
        for (p = list; p; p = p->next) {
@@ -576,6 +573,9 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                commit->util = add_commit_patch_id(commit, &ids);
        }
 
+       /* either cherry_mark or cherry_pick are true */
+       cherry_flag = revs->cherry_mark ? PATCHSAME : SHOWN;
+
        /* Check the other side */
        for (p = list; p; p = p->next) {
                struct commit *commit = p->item;
@@ -598,7 +598,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                if (!id)
                        continue;
                id->seen = 1;
-               commit->object.flags |= SHOWN;
+               commit->object.flags |= cherry_flag;
        }
 
        /* Now check the original side for seen ones */
@@ -610,7 +610,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                if (!ent)
                        continue;
                if (ent->seen)
-                       commit->object.flags |= SHOWN;
+                       commit->object.flags |= cherry_flag;
                commit->util = NULL;
        }
 
@@ -733,6 +733,23 @@ static struct commit_list *collect_bottom_commits(struct commit_list *list)
        return bottom;
 }
 
+/* Assumes either left_only or right_only is set */
+static void limit_left_right(struct commit_list *list, struct rev_info *revs)
+{
+       struct commit_list *p;
+
+       for (p = list; p; p = p->next) {
+               struct commit *commit = p->item;
+
+               if (revs->right_only) {
+                       if (commit->object.flags & SYMMETRIC_LEFT)
+                               commit->object.flags |= SHOWN;
+               } else  /* revs->left_only is set */
+                       if (!(commit->object.flags & SYMMETRIC_LEFT))
+                               commit->object.flags |= SHOWN;
+       }
+}
+
 static int limit_list(struct rev_info *revs)
 {
        int slop = SLOP;
@@ -785,9 +802,12 @@ static int limit_list(struct rev_info *revs)
                show(revs, newlist);
                show_early_output = NULL;
        }
-       if (revs->cherry_pick)
+       if (revs->cherry_pick || revs->cherry_mark)
                cherry_pick_list(newlist, revs);
 
+       if (revs->left_only || revs->right_only)
+               limit_left_right(newlist, revs);
+
        if (bottom) {
                limit_to_ancestry(bottom, newlist);
                free_commit_list(bottom);
@@ -921,6 +941,7 @@ void init_revisions(struct rev_info *revs, const char *prefix)
        revs->min_age = -1;
        revs->skip_count = -1;
        revs->max_count = -1;
+       revs->max_parents = -1;
 
        revs->commit_format = CMIT_FMT_DEFAULT;
 
@@ -973,7 +994,7 @@ static void prepare_show_merge(struct rev_info *revs)
                struct cache_entry *ce = active_cache[i];
                if (!ce_stage(ce))
                        continue;
-               if (ce_path_match(ce, revs->prune_data)) {
+               if (ce_path_match(ce, &revs->prune_data)) {
                        prune_num++;
                        prune = xrealloc(prune, sizeof(*prune) * prune_num);
                        prune[prune_num-2] = ce->name;
@@ -983,7 +1004,8 @@ static void prepare_show_merge(struct rev_info *revs)
                       ce_same_name(ce, active_cache[i+1]))
                        i++;
        }
-       revs->prune_data = prune;
+       free_pathspec(&revs->prune_data);
+       init_pathspec(&revs->prune_data, prune);
        revs->limited = 1;
 }
 
@@ -1256,16 +1278,47 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
        } else if (!strcmp(arg, "--remove-empty")) {
                revs->remove_empty_trees = 1;
        } else if (!strcmp(arg, "--merges")) {
-               revs->merges_only = 1;
+               revs->min_parents = 2;
        } else if (!strcmp(arg, "--no-merges")) {
-               revs->no_merges = 1;
+               revs->max_parents = 1;
+       } else if (!prefixcmp(arg, "--min-parents=")) {
+               revs->min_parents = atoi(arg+14);
+       } else if (!prefixcmp(arg, "--no-min-parents")) {
+               revs->min_parents = 0;
+       } else if (!prefixcmp(arg, "--max-parents=")) {
+               revs->max_parents = atoi(arg+14);
+       } else if (!prefixcmp(arg, "--no-max-parents")) {
+               revs->max_parents = -1;
        } else if (!strcmp(arg, "--boundary")) {
                revs->boundary = 1;
        } else if (!strcmp(arg, "--left-right")) {
                revs->left_right = 1;
+       } else if (!strcmp(arg, "--left-only")) {
+               if (revs->right_only)
+                       die("--left-only is incompatible with --right-only"
+                           " or --cherry");
+               revs->left_only = 1;
+       } else if (!strcmp(arg, "--right-only")) {
+               if (revs->left_only)
+                       die("--right-only is incompatible with --left-only");
+               revs->right_only = 1;
+       } else if (!strcmp(arg, "--cherry")) {
+               if (revs->left_only)
+                       die("--cherry is incompatible with --left-only");
+               revs->cherry_mark = 1;
+               revs->right_only = 1;
+               revs->max_parents = 1;
+               revs->limited = 1;
        } else if (!strcmp(arg, "--count")) {
                revs->count = 1;
+       } else if (!strcmp(arg, "--cherry-mark")) {
+               if (revs->cherry_pick)
+                       die("--cherry-mark is incompatible with --cherry-pick");
+               revs->cherry_mark = 1;
+               revs->limited = 1; /* needs limit_list() */
        } else if (!strcmp(arg, "--cherry-pick")) {
+               if (revs->cherry_mark)
+                       die("--cherry-pick is incompatible with --cherry-mark");
                revs->cherry_pick = 1;
                revs->limited = 1;
        } else if (!strcmp(arg, "--objects")) {
@@ -1620,7 +1673,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
        }
 
        if (prune_data)
-               revs->prune_data = get_pathspec(revs->prefix, prune_data);
+               init_pathspec(&revs->prune_data, get_pathspec(revs->prefix, prune_data));
 
        if (revs->def == NULL)
                revs->def = opt ? opt->def : NULL;
@@ -1651,13 +1704,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
        if (revs->topo_order)
                revs->limited = 1;
 
-       if (revs->prune_data) {
-               diff_tree_setup_paths(revs->prune_data, &revs->pruning);
+       if (revs->prune_data.nr) {
+               diff_tree_setup_paths(revs->prune_data.raw, &revs->pruning);
                /* Can't prune commits with rename following: the paths change.. */
                if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
                        revs->prune = 1;
                if (!revs->full_diff)
-                       diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
+                       diff_tree_setup_paths(revs->prune_data.raw, &revs->diffopt);
        }
        if (revs->combine_merges)
                revs->ignore_merges = 0;
@@ -1985,10 +2038,15 @@ enum commit_action get_commit_action(struct rev_info *revs, struct commit *commi
                return commit_ignore;
        if (revs->min_age != -1 && (commit->date > revs->min_age))
                return commit_ignore;
-       if (revs->no_merges && commit->parents && commit->parents->next)
-               return commit_ignore;
-       if (revs->merges_only && !(commit->parents && commit->parents->next))
-               return commit_ignore;
+       if (revs->min_parents || (revs->max_parents >= 0)) {
+               int n = 0;
+               struct commit_list *p;
+               for (p = commit->parents; p; p = p->next)
+                       n++;
+               if ((n < revs->min_parents) ||
+                   ((revs->max_parents >= 0) && (n > revs->max_parents)))
+                       return commit_ignore;
+       }
        if (!commit_match(commit, revs))
                return commit_ignore;
        if (revs->prune && revs->dense) {
@@ -2235,3 +2293,32 @@ struct commit *get_revision(struct rev_info *revs)
                graph_update(revs->graph, c);
        return c;
 }
+
+char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
+{
+       if (commit->object.flags & BOUNDARY)
+               return "-";
+       else if (commit->object.flags & UNINTERESTING)
+               return "^";
+       else if (commit->object.flags & PATCHSAME)
+               return "=";
+       else if (!revs || revs->left_right) {
+               if (commit->object.flags & SYMMETRIC_LEFT)
+                       return "<";
+               else
+                       return ">";
+       } else if (revs->graph)
+               return "*";
+       else if (revs->cherry_mark)
+               return "+";
+       return "";
+}
+
+void put_revision_mark(const struct rev_info *revs, const struct commit *commit)
+{
+       char *mark = get_revision_mark(revs, commit);
+       if (!strlen(mark))
+               return;
+       fputs(mark, stdout);
+       putchar(' ');
+}