msg = getenv("GIT_CHERRY_PICK_HELP");
if (msg) {
- advise("%s\n", msg);
+ advise_if_enabled(ADVICE_MERGE_CONFLICT, "%s", msg);
/*
* A conflict has occurred but the porcelain
* (typically rebase --interactive) wants to take care
if (show_hint) {
if (opts->no_commit)
- advise(_("after resolving the conflicts, mark the corrected paths\n"
- "with 'git add <paths>' or 'git rm <paths>'"));
+ advise_if_enabled(ADVICE_MERGE_CONFLICT,
+ _("after resolving the conflicts, mark the corrected paths\n"
+ "with 'git add <paths>' or 'git rm <paths>'"));
else if (opts->action == REPLAY_PICK)
- advise(_("After resolving the conflicts, mark them with\n"
- "\"git add/rm <pathspec>\", then run\n"
- "\"git cherry-pick --continue\".\n"
- "You can instead skip this commit with \"git cherry-pick --skip\".\n"
- "To abort and get back to the state before \"git cherry-pick\",\n"
- "run \"git cherry-pick --abort\"."));
+ advise_if_enabled(ADVICE_MERGE_CONFLICT,
+ _("After resolving the conflicts, mark them with\n"
+ "\"git add/rm <pathspec>\", then run\n"
+ "\"git cherry-pick --continue\".\n"
+ "You can instead skip this commit with \"git cherry-pick --skip\".\n"
+ "To abort and get back to the state before \"git cherry-pick\",\n"
+ "run \"git cherry-pick --abort\"."));
else if (opts->action == REPLAY_REVERT)
- advise(_("After resolving the conflicts, mark them with\n"
- "\"git add/rm <pathspec>\", then run\n"
- "\"git revert --continue\".\n"
- "You can instead skip this commit with \"git revert --skip\".\n"
- "To abort and get back to the state before \"git revert\",\n"
- "run \"git revert --abort\"."));
+ advise_if_enabled(ADVICE_MERGE_CONFLICT,
+ _("After resolving the conflicts, mark them with\n"
+ "\"git add/rm <pathspec>\", then run\n"
+ "\"git revert --continue\".\n"
+ "You can instead skip this commit with \"git revert --skip\".\n"
+ "To abort and get back to the state before \"git revert\",\n"
+ "run \"git revert --abort\"."));
else
BUG("unexpected pick action in print_advice()");
}
static int is_index_unchanged(struct repository *r)
{
struct object_id head_oid, *cache_tree_oid;
+ const struct object_id *head_tree_oid;
struct commit *head_commit;
struct index_state *istate = r->index;
+ const char *head_name;
+
+ if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) {
+ /* Check to see if this is an unborn branch */
+ head_name = resolve_ref_unsafe("HEAD",
+ RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE,
+ &head_oid, NULL);
+ if (!head_name ||
+ !starts_with(head_name, "refs/heads/") ||
+ !is_null_oid(&head_oid))
+ return error(_("could not resolve HEAD commit"));
+ head_tree_oid = the_hash_algo->empty_tree;
+ } else {
+ head_commit = lookup_commit(r, &head_oid);
- if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
- return error(_("could not resolve HEAD commit"));
-
- head_commit = lookup_commit(r, &head_oid);
+ /*
+ * If head_commit is NULL, check_commit, called from
+ * lookup_commit, would have indicated that head_commit is not
+ * a commit object already. repo_parse_commit() will return failure
+ * without further complaints in such a case. Otherwise, if
+ * the commit is invalid, repo_parse_commit() will complain. So
+ * there is nothing for us to say here. Just return failure.
+ */
+ if (repo_parse_commit(r, head_commit))
+ return -1;
- /*
- * If head_commit is NULL, check_commit, called from
- * lookup_commit, would have indicated that head_commit is not
- * a commit object already. repo_parse_commit() will return failure
- * without further complaints in such a case. Otherwise, if
- * the commit is invalid, repo_parse_commit() will complain. So
- * there is nothing for us to say here. Just return failure.
- */
- if (repo_parse_commit(r, head_commit))
- return -1;
+ head_tree_oid = get_commit_tree_oid(head_commit);
+ }
if (!(cache_tree_oid = get_cache_tree_oid(istate)))
return -1;
- return oideq(cache_tree_oid, get_commit_tree_oid(head_commit));
+ return oideq(cache_tree_oid, head_tree_oid);
}
static int write_author_script(const char *message)
int index_unchanged, originally_empty;
/*
- * Four cases:
- *
- * (1) we do not allow empty at all and error out.
+ * For a commit that is initially empty, allow_empty determines if it
+ * should be kept or not
*
- * (2) we allow ones that were initially empty, and
- * just drop the ones that become empty
- *
- * (3) we allow ones that were initially empty, but
- * halt for the ones that become empty;
- *
- * (4) we allow both.
+ * For a commit that becomes empty, keep_redundant_commits and
+ * drop_redundant_commits determine whether the commit should be kept or
+ * dropped. If neither is specified, halt.
*/
- if (!opts->allow_empty)
- return 0; /* let "git commit" barf as necessary */
-
index_unchanged = is_index_unchanged(r);
if (index_unchanged < 0)
return index_unchanged;
if (!index_unchanged)
return 0; /* we do not have to say --allow-empty */
- if (opts->keep_redundant_commits)
- return 1;
-
originally_empty = is_original_commit_empty(commit);
if (originally_empty < 0)
return originally_empty;
if (originally_empty)
+ return opts->allow_empty;
+ else if (opts->keep_redundant_commits)
return 1;
else if (opts->drop_redundant_commits)
return 2;
else if (!strcmp(key, "options.allow-empty-message"))
opts->allow_empty_message =
git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
+ else if (!strcmp(key, "options.drop-redundant-commits"))
+ opts->drop_redundant_commits =
+ git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
else if (!strcmp(key, "options.keep-redundant-commits"))
opts->keep_redundant_commits =
git_config_bool_or_int(key, value, ctx->kvi, &error_flag);
if (opts->allow_empty_message)
res |= git_config_set_in_file_gently(opts_file,
"options.allow-empty-message", "true");
+ if (opts->drop_redundant_commits)
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.drop-redundant-commits", "true");
if (opts->keep_redundant_commits)
res |= git_config_set_in_file_gently(opts_file,
"options.keep-redundant-commits", "true");