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Diffstat (limited to 'builtin/merge.c')
-rw-r--r--builtin/merge.c87
1 files changed, 59 insertions, 28 deletions
diff --git a/builtin/merge.c b/builtin/merge.c
index d54e7ddbb1..5a2a1eb797 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -56,6 +56,7 @@ static size_t use_strategies_nr, use_strategies_alloc;
static const char **xopts;
static size_t xopts_nr, xopts_alloc;
static const char *branch;
+static char *branch_mergeoptions;
static int option_renormalize;
static int verbosity;
static int allow_rerere_auto;
@@ -503,26 +504,34 @@ cleanup:
strbuf_release(&bname);
}
+static void parse_branch_merge_options(char *bmo)
+{
+ const char **argv;
+ int argc;
+
+ if (!bmo)
+ return;
+ argc = split_cmdline(bmo, &argv);
+ if (argc < 0)
+ die(_("Bad branch.%s.mergeoptions string: %s"), branch,
+ split_cmdline_strerror(argc));
+ argv = xrealloc(argv, sizeof(*argv) * (argc + 2));
+ memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
+ argc++;
+ argv[0] = "branch.*.mergeoptions";
+ parse_options(argc, argv, NULL, builtin_merge_options,
+ builtin_merge_usage, 0);
+ free(argv);
+}
+
static int git_merge_config(const char *k, const char *v, void *cb)
{
if (branch && !prefixcmp(k, "branch.") &&
!prefixcmp(k + 7, branch) &&
!strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
- const char **argv;
- int argc;
- char *buf;
-
- buf = xstrdup(v);
- argc = split_cmdline(buf, &argv);
- if (argc < 0)
- die(_("Bad branch.%s.mergeoptions string: %s"), branch,
- split_cmdline_strerror(argc));
- argv = xrealloc(argv, sizeof(*argv) * (argc + 2));
- memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
- argc++;
- parse_options(argc, argv, NULL, builtin_merge_options,
- builtin_merge_usage, 0);
- free(buf);
+ free(branch_mergeoptions);
+ branch_mergeoptions = xstrdup(v);
+ return 0;
}
if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat"))
@@ -541,6 +550,15 @@ static int git_merge_config(const char *k, const char *v, void *cb)
if (is_bool && shortlog_len)
shortlog_len = DEFAULT_MERGE_LOG_LEN;
return 0;
+ } else if (!strcmp(k, "merge.ff")) {
+ int boolval = git_config_maybe_bool(k, v);
+ if (0 <= boolval) {
+ allow_fast_forward = boolval;
+ } else if (v && !strcmp(v, "only")) {
+ allow_fast_forward = 1;
+ fast_forward_only = 1;
+ } /* do not barf on values from future versions of git */
+ return 0;
} else if (!strcmp(k, "merge.defaulttoupstream")) {
default_to_upstream = git_config_bool(k, v);
return 0;
@@ -590,6 +608,14 @@ static void write_tree_trivial(unsigned char *sha1)
die(_("git write-tree failed to write a tree"));
}
+static const char *merge_argument(struct commit *commit)
+{
+ if (commit)
+ return sha1_to_hex(commit->object.sha1);
+ else
+ return EMPTY_TREE_SHA1_HEX;
+}
+
int try_merge_command(const char *strategy, size_t xopts_nr,
const char **xopts, struct commit_list *common,
const char *head_arg, struct commit_list *remotes)
@@ -610,11 +636,11 @@ int try_merge_command(const char *strategy, size_t xopts_nr,
args[i++] = s;
}
for (j = common; j; j = j->next)
- args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
+ args[i++] = xstrdup(merge_argument(j->item));
args[i++] = "--";
args[i++] = head_arg;
for (j = remotes; j; j = j->next)
- args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1));
+ args[i++] = xstrdup(merge_argument(j->item));
args[i] = NULL;
ret = run_command_v_opt(args, RUN_GIT_CMD);
strbuf_release(&buf);
@@ -822,7 +848,7 @@ static void read_merge_msg(void)
{
strbuf_reset(&merge_msg);
if (strbuf_read_file(&merge_msg, git_path("MERGE_MSG"), 0) < 0)
- die_errno("Could not read from '%s'", git_path("MERGE_MSG"));
+ die_errno(_("Could not read from '%s'"), git_path("MERGE_MSG"));
}
static void run_prepare_commit_msg(void)
@@ -962,16 +988,16 @@ static int setup_with_upstream(const char ***argv)
const char **args;
if (!branch)
- die("No current branch.");
+ die(_("No current branch."));
if (!branch->remote)
- die("No remote for the current branch.");
+ die(_("No remote for the current branch."));
if (!branch->merge_nr)
- die("No default upstream defined for the current branch.");
+ die(_("No default upstream defined for the current branch."));
args = xcalloc(branch->merge_nr + 1, sizeof(char *));
for (i = 0; i < branch->merge_nr; i++) {
if (!branch->merge[i]->dst)
- die("No remote tracking branch for %s from %s",
+ die(_("No remote tracking branch for %s from %s"),
branch->merge[i]->src, branch->remote_name);
args[i] = branch->merge[i]->dst;
}
@@ -1010,6 +1036,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (diff_use_color_default == -1)
diff_use_color_default = git_use_color_default;
+ if (branch_mergeoptions)
+ parse_branch_merge_options(branch_mergeoptions);
argc = parse_options(argc, argv, prefix, builtin_merge_options,
builtin_merge_usage, 0);
@@ -1043,10 +1071,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
}
if (file_exists(git_path("CHERRY_PICK_HEAD"))) {
if (advice_resolve_conflict)
- die("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
- "Please, commit your changes before you can merge.");
+ die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
+ "Please, commit your changes before you can merge."));
else
- die("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).");
+ die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists)."));
}
resolve_undo_clear();
@@ -1062,9 +1090,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (!allow_fast_forward && fast_forward_only)
die(_("You cannot combine --no-ff with --ff-only."));
- if (!argc && !abort_current_merge && default_to_upstream)
- argc = setup_with_upstream(&argv);
-
+ if (!abort_current_merge) {
+ if (!argc && default_to_upstream)
+ argc = setup_with_upstream(&argv);
+ else if (argc == 1 && !strcmp(argv[0], "-"))
+ argv[0] = "@{-1}";
+ }
if (!argc)
usage_with_options(builtin_merge_usage,
builtin_merge_options);