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-rw-r--r--builtin/merge-tree.c59
1 files changed, 37 insertions, 22 deletions
diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c
index a35e045..8bdb439 100644
--- a/builtin/merge-tree.c
+++ b/builtin/merge-tree.c
@@ -13,7 +13,6 @@
#include "parse-options.h"
#include "repository.h"
#include "blob.h"
-#include "exec-cmd.h"
#include "merge-blobs.h"
#include "quote.h"
#include "tree.h"
@@ -430,41 +429,56 @@ static int real_merge(struct merge_tree_options *o,
struct merge_options opt;
copy_merge_options(&opt, &o->merge_options);
- parent1 = get_merge_parent(branch1);
- if (!parent1)
- help_unknown_ref(branch1, "merge-tree",
- _("not something we can merge"));
-
- parent2 = get_merge_parent(branch2);
- if (!parent2)
- help_unknown_ref(branch2, "merge-tree",
- _("not something we can merge"));
-
opt.show_rename_progress = 0;
opt.branch1 = branch1;
opt.branch2 = branch2;
if (merge_base) {
- struct commit *base_commit;
struct tree *base_tree, *parent1_tree, *parent2_tree;
- base_commit = lookup_commit_reference_by_name(merge_base);
- if (!base_commit)
- die(_("could not lookup commit '%s'"), merge_base);
+ /*
+ * We actually only need the trees because we already
+ * have a merge base.
+ */
+ struct object_id base_oid, head_oid, merge_oid;
+
+ if (repo_get_oid_treeish(the_repository, merge_base, &base_oid))
+ die(_("could not parse as tree '%s'"), merge_base);
+ base_tree = parse_tree_indirect(&base_oid);
+ if (!base_tree)
+ die(_("unable to read tree (%s)"), oid_to_hex(&base_oid));
+ if (repo_get_oid_treeish(the_repository, branch1, &head_oid))
+ die(_("could not parse as tree '%s'"), branch1);
+ parent1_tree = parse_tree_indirect(&head_oid);
+ if (!parent1_tree)
+ die(_("unable to read tree (%s)"), oid_to_hex(&head_oid));
+ if (repo_get_oid_treeish(the_repository, branch2, &merge_oid))
+ die(_("could not parse as tree '%s'"), branch2);
+ parent2_tree = parse_tree_indirect(&merge_oid);
+ if (!parent2_tree)
+ die(_("unable to read tree (%s)"), oid_to_hex(&merge_oid));
opt.ancestor = merge_base;
- base_tree = repo_get_commit_tree(the_repository, base_commit);
- parent1_tree = repo_get_commit_tree(the_repository, parent1);
- parent2_tree = repo_get_commit_tree(the_repository, parent2);
merge_incore_nonrecursive(&opt, base_tree, parent1_tree, parent2_tree, &result);
} else {
+ parent1 = get_merge_parent(branch1);
+ if (!parent1)
+ help_unknown_ref(branch1, "merge-tree",
+ _("not something we can merge"));
+
+ parent2 = get_merge_parent(branch2);
+ if (!parent2)
+ help_unknown_ref(branch2, "merge-tree",
+ _("not something we can merge"));
+
/*
* Get the merge bases, in reverse order; see comment above
* merge_incore_recursive in merge-ort.h
*/
- merge_bases = repo_get_merge_bases(the_repository, parent1,
- parent2);
+ if (repo_get_merge_bases(the_repository, parent1,
+ parent2, &merge_bases) < 0)
+ exit(128);
if (!merge_bases && !o->allow_unrelated_histories)
die(_("refusing to merge unrelated histories"));
merge_bases = reverse_commit_list(merge_bases);
@@ -549,7 +563,7 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix)
PARSE_OPT_NONEG),
OPT_STRING(0, "merge-base",
&merge_base,
- N_("commit"),
+ N_("tree-ish"),
N_("specify a merge-base for the merge")),
OPT_STRVEC('X', "strategy-option", &xopts, N_("option=value"),
N_("option for selected merge strategy")),
@@ -577,7 +591,8 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix)
if (o.mode == MODE_TRIVIAL)
die(_("--trivial-merge is incompatible with all other options"));
if (merge_base)
- die(_("--merge-base is incompatible with --stdin"));
+ die(_("options '%s' and '%s' cannot be used together"),
+ "--merge-base", "--stdin");
line_termination = '\0';
while (strbuf_getline_lf(&buf, stdin) != EOF) {
struct strbuf **split;