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Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c70
1 files changed, 46 insertions, 24 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index cc804ba8e1..797681481d 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -9,6 +9,7 @@
#include "config.h"
#include "diff.h"
#include "dir.h"
+#include "hook.h"
#include "ll-merge.h"
#include "lockfile.h"
#include "merge-recursive.h"
@@ -114,7 +115,7 @@ static void branch_info_release(struct branch_info *info)
static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
int changed)
{
- return run_hook_le(NULL, "post-checkout",
+ return run_hooks_l("post-checkout",
oid_to_hex(old_commit ? &old_commit->object.oid : null_oid()),
oid_to_hex(new_commit ? &new_commit->object.oid : null_oid()),
changed ? "1" : "0", NULL);
@@ -245,6 +246,7 @@ static int checkout_merged(int pos, const struct checkout *state,
struct cache_entry *ce = active_cache[pos];
const char *path = ce->name;
mmfile_t ancestor, ours, theirs;
+ enum ll_merge_result merge_status;
int status;
struct object_id oid;
mmbuffer_t result_buf;
@@ -275,13 +277,16 @@ static int checkout_merged(int pos, const struct checkout *state,
memset(&ll_opts, 0, sizeof(ll_opts));
git_config_get_bool("merge.renormalize", &renormalize);
ll_opts.renormalize = renormalize;
- status = ll_merge(&result_buf, path, &ancestor, "base",
- &ours, "ours", &theirs, "theirs",
- state->istate, &ll_opts);
+ merge_status = ll_merge(&result_buf, path, &ancestor, "base",
+ &ours, "ours", &theirs, "theirs",
+ state->istate, &ll_opts);
free(ancestor.ptr);
free(ours.ptr);
free(theirs.ptr);
- if (status < 0 || !result_buf.ptr) {
+ if (merge_status == LL_MERGE_BINARY_CONFLICT)
+ warning("Cannot merge binary files: %s (%s vs. %s)",
+ path, "ours", "theirs");
+ if (merge_status < 0 || !result_buf.ptr) {
free(result_buf.ptr);
return error(_("path '%s': cannot merge"), path);
}
@@ -298,7 +303,7 @@ static int checkout_merged(int pos, const struct checkout *state,
* (it also writes the merge result to the object database even
* when it may contain conflicts).
*/
- if (write_object_file(result_buf.ptr, result_buf.size, blob_type, &oid))
+ if (write_object_file(result_buf.ptr, result_buf.size, OBJ_BLOB, &oid))
die(_("Unable to add merge result for '%s'"), path);
free(result_buf.ptr);
ce = make_transient_cache_entry(mode, &oid, path, 2, ce_mem_pool);
@@ -733,6 +738,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
struct tree_desc trees[2];
struct tree *tree;
struct unpack_trees_options topts;
+ const struct object_id *old_commit_oid;
memset(&topts, 0, sizeof(topts));
topts.head_idx = -1;
@@ -760,9 +766,15 @@ static int merge_working_tree(const struct checkout_opts *opts,
&new_branch_info->commit->object.oid :
&new_branch_info->oid, NULL);
topts.preserve_ignored = !opts->overwrite_ignore;
- tree = parse_tree_indirect(old_branch_info->commit ?
- &old_branch_info->commit->object.oid :
- the_hash_algo->empty_tree);
+
+ old_commit_oid = old_branch_info->commit ?
+ &old_branch_info->commit->object.oid :
+ the_hash_algo->empty_tree;
+ tree = parse_tree_indirect(old_commit_oid);
+ if (!tree)
+ die(_("unable to parse commit %s"),
+ oid_to_hex(old_commit_oid));
+
init_tree_desc(&trees[0], tree->buffer, tree->size);
parse_tree(new_tree);
tree = new_tree;
@@ -904,7 +916,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
opts->new_branch_force ? 1 : 0,
opts->new_branch_log,
opts->quiet,
- opts->track);
+ opts->track,
+ 0);
free(new_branch_info->name);
free(new_branch_info->refname);
new_branch_info->name = xstrdup(opts->new_branch);
@@ -1391,23 +1404,31 @@ static void die_expecting_a_branch(const struct branch_info *branch_info)
{
struct object_id oid;
char *to_free;
+ int code;
if (dwim_ref(branch_info->name, strlen(branch_info->name), &oid, &to_free, 0) == 1) {
const char *ref = to_free;
if (skip_prefix(ref, "refs/tags/", &ref))
- die(_("a branch is expected, got tag '%s'"), ref);
- if (skip_prefix(ref, "refs/remotes/", &ref))
- die(_("a branch is expected, got remote branch '%s'"), ref);
- die(_("a branch is expected, got '%s'"), ref);
+ code = die_message(_("a branch is expected, got tag '%s'"), ref);
+ else if (skip_prefix(ref, "refs/remotes/", &ref))
+ code = die_message(_("a branch is expected, got remote branch '%s'"), ref);
+ else
+ code = die_message(_("a branch is expected, got '%s'"), ref);
}
- if (branch_info->commit)
- die(_("a branch is expected, got commit '%s'"), branch_info->name);
- /*
- * This case should never happen because we already die() on
- * non-commit, but just in case.
- */
- die(_("a branch is expected, got '%s'"), branch_info->name);
+ else if (branch_info->commit)
+ code = die_message(_("a branch is expected, got commit '%s'"), branch_info->name);
+ else
+ /*
+ * This case should never happen because we already die() on
+ * non-commit, but just in case.
+ */
+ code = die_message(_("a branch is expected, got '%s'"), branch_info->name);
+
+ if (advice_enabled(ADVICE_SUGGEST_DETACHING_HEAD))
+ advise(_("If you want to detach HEAD at the commit, try again with the --detach option."));
+
+ exit(code);
}
static void die_if_some_operation_in_progress(void)
@@ -1602,9 +1623,10 @@ static int checkout_main(int argc, const char **argv, const char *prefix,
opts->show_progress = -1;
git_config(git_checkout_config, opts);
-
- prepare_repo_settings(the_repository);
- the_repository->settings.command_requires_full_index = 0;
+ if (the_repository->gitdir) {
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
+ }
opts->track = BRANCH_TRACK_UNSPECIFIED;