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Merge branch 'jc/show-merge'
* jc/show-merge: git log -p --merge [[--] paths...]
This commit is contained in:
commit
868227b0d1
1 changed files with 51 additions and 2 deletions
53
revision.c
53
revision.c
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@ -549,6 +549,49 @@ static void add_pending_commit_list(struct rev_info *revs,
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}
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}
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static void prepare_show_merge(struct rev_info *revs)
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{
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struct commit_list *bases;
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struct commit *head, *other;
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unsigned char sha1[20];
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const char **prune = NULL;
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int i, prune_num = 1; /* counting terminating NULL */
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if (get_sha1("HEAD", sha1) || !(head = lookup_commit(sha1)))
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die("--merge without HEAD?");
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if (get_sha1("MERGE_HEAD", sha1) || !(other = lookup_commit(sha1)))
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die("--merge without MERGE_HEAD?");
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add_pending_object(revs, &head->object, "HEAD");
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add_pending_object(revs, &other->object, "MERGE_HEAD");
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bases = get_merge_bases(head, other, 1);
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while (bases) {
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struct commit *it = bases->item;
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struct commit_list *n = bases->next;
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free(bases);
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bases = n;
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it->object.flags |= UNINTERESTING;
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add_pending_object(revs, &it->object, "(merge-base)");
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}
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if (!active_nr)
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read_cache();
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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if (!ce_stage(ce))
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continue;
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if (ce_path_match(ce, revs->prune_data)) {
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prune_num++;
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prune = xrealloc(prune, sizeof(*prune) * prune_num);
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prune[prune_num-2] = ce->name;
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prune[prune_num-1] = NULL;
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}
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while ((i+1 < active_nr) &&
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ce_same_name(ce, active_cache[i+1]))
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i++;
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}
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revs->prune_data = prune;
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}
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/*
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* Parse revision information, filling in the "rev_info" structure,
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* and removing the used arguments from the argument list.
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@ -558,7 +601,7 @@ static void add_pending_commit_list(struct rev_info *revs,
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*/
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int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
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{
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int i, flags, seen_dashdash;
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int i, flags, seen_dashdash, show_merge;
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const char **unrecognized = argv + 1;
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int left = 1;
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@ -575,7 +618,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
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break;
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}
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flags = 0;
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flags = show_merge = 0;
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for (i = 1; i < argc; i++) {
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struct object *object;
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const char *arg = argv[i];
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@ -642,6 +685,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
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def = argv[i];
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continue;
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}
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if (!strcmp(arg, "--merge")) {
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show_merge = 1;
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continue;
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}
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if (!strcmp(arg, "--topo-order")) {
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revs->topo_order = 1;
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continue;
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@ -863,6 +910,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
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object = get_reference(revs, arg, sha1, flags ^ local_flags);
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add_pending_object(revs, object, arg);
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}
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if (show_merge)
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prepare_show_merge(revs);
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if (def && !revs->pending.nr) {
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unsigned char sha1[20];
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struct object *object;
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