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-rw-r--r--revision.c101
1 files changed, 74 insertions, 27 deletions
diff --git a/revision.c b/revision.c
index 2424c9bd67..c68deb57ce 100644
--- a/revision.c
+++ b/revision.c
@@ -29,6 +29,7 @@
#include "bisect.h"
#include "packfile.h"
#include "worktree.h"
+#include "path.h"
#include "read-cache.h"
#include "setup.h"
#include "sparse-index.h"
@@ -81,7 +82,7 @@ static void mark_tree_contents_uninteresting(struct repository *r,
if (parse_tree_gently(tree, 1) < 0)
return;
- init_tree_desc(&desc, tree->buffer, tree->size);
+ init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size);
while (tree_entry(&desc, &entry)) {
switch (object_type(entry.mode)) {
case OBJ_TREE:
@@ -188,7 +189,7 @@ static void add_children_by_path(struct repository *r,
if (parse_tree_gently(tree, 1) < 0)
return;
- init_tree_desc(&desc, tree->buffer, tree->size);
+ init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size);
while (tree_entry(&desc, &entry)) {
switch (object_type(entry.mode)) {
case OBJ_TREE:
@@ -381,13 +382,18 @@ static struct object *get_reference(struct rev_info *revs, const char *name,
object = parse_object_with_flags(revs->repo, oid,
revs->verify_objects ? 0 :
- PARSE_OBJECT_SKIP_HASH_CHECK);
+ PARSE_OBJECT_SKIP_HASH_CHECK |
+ PARSE_OBJECT_DISCARD_TREE);
if (!object) {
if (revs->ignore_missing)
- return object;
+ return NULL;
if (revs->exclude_promisor_objects && is_promisor_object(oid))
return NULL;
+ if (revs->do_not_die_on_missing_objects) {
+ oidset_insert(&revs->missing_commits, oid);
+ return NULL;
+ }
die("bad object %s", name);
}
object->flags |= flags;
@@ -415,15 +421,21 @@ static struct commit *handle_commit(struct rev_info *revs,
*/
while (object->type == OBJ_TAG) {
struct tag *tag = (struct tag *) object;
+ struct object_id *oid;
if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
- object = parse_object(revs->repo, get_tagged_oid(tag));
+ oid = get_tagged_oid(tag);
+ object = parse_object(revs->repo, oid);
if (!object) {
if (revs->ignore_missing_links || (flags & UNINTERESTING))
return NULL;
if (revs->exclude_promisor_objects &&
is_promisor_object(&tag->tagged->oid))
return NULL;
+ if (revs->do_not_die_on_missing_objects && oid) {
+ oidset_insert(&revs->missing_commits, oid);
+ return NULL;
+ }
die("bad object %s", oid_to_hex(&tag->tagged->oid));
}
object->flags |= flags;
@@ -1686,9 +1698,7 @@ static int handle_one_reflog_ent(struct object_id *ooid, struct object_id *noid,
return 0;
}
-static int handle_one_reflog(const char *refname_in_wt,
- const struct object_id *oid UNUSED,
- int flag UNUSED, void *cb_data)
+static int handle_one_reflog(const char *refname_in_wt, void *cb_data)
{
struct all_refs_cb *cb = cb_data;
struct strbuf refname = STRBUF_INIT;
@@ -1729,7 +1739,8 @@ void add_reflogs_to_pending(struct rev_info *revs, unsigned flags)
cb.all_revs = revs;
cb.all_flags = flags;
cb.wt = NULL;
- for_each_reflog(handle_one_reflog, &cb);
+ refs_for_each_reflog(get_main_ref_store(the_repository),
+ handle_one_reflog, &cb);
if (!revs->single_worktree)
add_other_reflogs_to_pending(&cb);
@@ -1947,6 +1958,7 @@ void repo_init_revisions(struct repository *r,
init_display_notes(&revs->notes_opt);
list_objects_filter_init(&revs->filter);
init_ref_exclusions(&revs->ref_excludes);
+ oidset_init(&revs->missing_commits, 0);
}
static void add_pending_commit_list(struct rev_info *revs,
@@ -1961,11 +1973,31 @@ static void add_pending_commit_list(struct rev_info *revs,
}
}
+static const char *lookup_other_head(struct object_id *oid)
+{
+ int i;
+ static const char *const other_head[] = {
+ "MERGE_HEAD", "CHERRY_PICK_HEAD", "REVERT_HEAD", "REBASE_HEAD"
+ };
+
+ for (i = 0; i < ARRAY_SIZE(other_head); i++)
+ if (!refs_read_ref_full(get_main_ref_store(the_repository), other_head[i],
+ RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
+ oid, NULL)) {
+ if (is_null_oid(oid))
+ die(_("%s exists but is a symbolic ref"), other_head[i]);
+ return other_head[i];
+ }
+
+ die(_("--merge requires one of the pseudorefs MERGE_HEAD, CHERRY_PICK_HEAD, REVERT_HEAD or REBASE_HEAD"));
+}
+
static void prepare_show_merge(struct rev_info *revs)
{
- struct commit_list *bases;
+ struct commit_list *bases = NULL;
struct commit *head, *other;
struct object_id oid;
+ const char *other_name;
const char **prune = NULL;
int i, prune_num = 1; /* counting terminating NULL */
struct index_state *istate = revs->repo->index;
@@ -1973,12 +2005,12 @@ static void prepare_show_merge(struct rev_info *revs)
if (repo_get_oid(the_repository, "HEAD", &oid))
die("--merge without HEAD?");
head = lookup_commit_or_die(&oid, "HEAD");
- if (repo_get_oid(the_repository, "MERGE_HEAD", &oid))
- die("--merge without MERGE_HEAD?");
- other = lookup_commit_or_die(&oid, "MERGE_HEAD");
+ other_name = lookup_other_head(&oid);
+ other = lookup_commit_or_die(&oid, other_name);
add_pending_object(revs, &head->object, "HEAD");
- add_pending_object(revs, &other->object, "MERGE_HEAD");
- bases = repo_get_merge_bases(the_repository, head, other);
+ add_pending_object(revs, &other->object, other_name);
+ if (repo_get_merge_bases(the_repository, head, other, &bases) < 0)
+ exit(128);
add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING | BOTTOM);
add_pending_commit_list(revs, bases, UNINTERESTING | BOTTOM);
free_commit_list(bases);
@@ -2066,14 +2098,17 @@ static int handle_dotdot_1(const char *arg, char *dotdot,
} else {
/* A...B -- find merge bases between the two */
struct commit *a, *b;
- struct commit_list *exclude;
+ struct commit_list *exclude = NULL;
a = lookup_commit_reference(revs->repo, &a_obj->oid);
b = lookup_commit_reference(revs->repo, &b_obj->oid);
if (!a || !b)
return dotdot_missing(arg, dotdot, revs, symmetric);
- exclude = repo_get_merge_bases(the_repository, a, b);
+ if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) {
+ free_commit_list(exclude);
+ return -1;
+ }
add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE,
flags_exclude);
add_pending_commit_list(revs, exclude, flags_exclude);
@@ -2178,13 +2213,18 @@ static int handle_revision_arg_1(const char *arg_, struct rev_info *revs, int fl
if (revarg_opt & REVARG_COMMITTISH)
get_sha1_flags |= GET_OID_COMMITTISH;
+ /*
+ * Even if revs->do_not_die_on_missing_objects is set, we
+ * should error out if we can't even get an oid, as
+ * `--missing=print` should be able to report missing oids.
+ */
if (get_oid_with_context(revs->repo, arg, get_sha1_flags, &oid, &oc))
return revs->ignore_missing ? 0 : -1;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, &oid, flags ^ local_flags);
if (!object)
- return revs->ignore_missing ? 0 : -1;
+ return (revs->ignore_missing || revs->do_not_die_on_missing_objects) ? 0 : -1;
add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
add_pending_object_with_path(revs, object, arg, oc.mode, oc.path);
free(oc.path);
@@ -2320,7 +2360,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (skip_prefix(arg, "--ancestry-path=", &optarg)) {
struct commit *c;
struct object_id oid;
- const char *msg = _("could not get commit for ancestry-path argument %s");
+ const char *msg = _("could not get commit for --ancestry-path argument %s");
revs->ancestry_path = 1;
revs->simplify_history = 0;
@@ -2611,10 +2651,11 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--invert-grep")) {
revs->grep_filter.no_body_match = 1;
} else if ((argcount = parse_long_opt("encoding", argv, &optarg))) {
+ free(git_log_output_encoding);
if (strcmp(optarg, "none"))
git_log_output_encoding = xstrdup(optarg);
else
- git_log_output_encoding = "";
+ git_log_output_encoding = xstrdup("");
return argcount;
} else if (!strcmp(arg, "--reverse")) {
revs->reverse ^= 1;
@@ -2751,7 +2792,8 @@ static int handle_revision_pseudo_opt(struct rev_info *revs,
} else if ((argcount = parse_long_opt("glob", argv, &optarg))) {
struct all_refs_cb cb;
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref(handle_one_ref, optarg, &cb);
+ refs_for_each_glob_ref(get_main_ref_store(the_repository),
+ handle_one_ref, optarg, &cb);
clear_ref_exclusions(&revs->ref_excludes);
return argcount;
} else if ((argcount = parse_long_opt("exclude", argv, &optarg))) {
@@ -2766,7 +2808,9 @@ static int handle_revision_pseudo_opt(struct rev_info *revs,
return error(_("options '%s' and '%s' cannot be used together"),
"--exclude-hidden", "--branches");
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, optarg, "refs/heads/", &cb);
+ refs_for_each_glob_ref_in(get_main_ref_store(the_repository),
+ handle_one_ref, optarg,
+ "refs/heads/", &cb);
clear_ref_exclusions(&revs->ref_excludes);
} else if (skip_prefix(arg, "--tags=", &optarg)) {
struct all_refs_cb cb;
@@ -2774,7 +2818,9 @@ static int handle_revision_pseudo_opt(struct rev_info *revs,
return error(_("options '%s' and '%s' cannot be used together"),
"--exclude-hidden", "--tags");
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, optarg, "refs/tags/", &cb);
+ refs_for_each_glob_ref_in(get_main_ref_store(the_repository),
+ handle_one_ref, optarg,
+ "refs/tags/", &cb);
clear_ref_exclusions(&revs->ref_excludes);
} else if (skip_prefix(arg, "--remotes=", &optarg)) {
struct all_refs_cb cb;
@@ -2782,7 +2828,9 @@ static int handle_revision_pseudo_opt(struct rev_info *revs,
return error(_("options '%s' and '%s' cannot be used together"),
"--exclude-hidden", "--remotes");
init_all_refs_cb(&cb, revs, *flags);
- for_each_glob_ref_in(handle_one_ref, optarg, "refs/remotes/", &cb);
+ refs_for_each_glob_ref_in(get_main_ref_store(the_repository),
+ handle_one_ref, optarg,
+ "refs/remotes/", &cb);
clear_ref_exclusions(&revs->ref_excludes);
} else if (!strcmp(arg, "--reflog")) {
add_reflogs_to_pending(revs, *flags);
@@ -2873,7 +2921,8 @@ static void NORETURN diagnose_missing_default(const char *def)
int flags;
const char *refname;
- refname = resolve_ref_unsafe(def, 0, NULL, &flags);
+ refname = refs_resolve_ref_unsafe(get_main_ref_store(the_repository),
+ def, 0, NULL, &flags);
if (!refname || !(flags & REF_ISSYMREF) || (flags & REF_ISBROKEN))
die(_("your current branch appears to be broken"));
@@ -3830,8 +3879,6 @@ int prepare_revision_walk(struct rev_info *revs)
FOR_EACH_OBJECT_PROMISOR_ONLY);
}
- oidset_init(&revs->missing_commits, 0);
-
if (!revs->reflog_info)
prepare_to_use_bloom_filter(revs);
if (!revs->unsorted_input)