* Based on git-merge.sh by Junio C Hamano.
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
#include "config.h"
#include "parse-options.h"
#include "packfile.h"
#include "tag.h"
#include "alias.h"
+#include "branch.h"
+#include "commit-reach.h"
+#include "wt-status.h"
#define DEFAULT_TWOHEAD (1<<0)
#define DEFAULT_OCTOPUS (1<<1)
};
static int show_diffstat = 1, shortlog_len = -1, squash;
-static int option_commit = 1;
+static int option_commit = -1;
static int option_edit = -1;
static int allow_trivial = 1, have_message, verify_signatures;
static int overwrite_ignore = 1;
static int verbosity;
static int allow_rerere_auto;
static int abort_current_merge;
+static int quit_current_merge;
static int continue_current_merge;
static int allow_unrelated_histories;
static int show_progress = -1;
static enum ff_type fast_forward = FF_ALLOW;
+static const char *cleanup_arg;
+static enum commit_msg_cleanup_mode cleanup_mode;
+
static int option_parse_message(const struct option *opt,
const char *arg, int unset)
{
return 0;
}
+static enum parse_opt_result option_read_message(struct parse_opt_ctx_t *ctx,
+ const struct option *opt,
+ const char *arg_not_used,
+ int unset)
+{
+ struct strbuf *buf = opt->value;
+ const char *arg;
+
+ BUG_ON_OPT_ARG(arg_not_used);
+ if (unset)
+ BUG("-F cannot be negated");
+
+ if (ctx->opt) {
+ arg = ctx->opt;
+ ctx->opt = NULL;
+ } else if (ctx->argc > 1) {
+ ctx->argc--;
+ arg = *++ctx->argv;
+ } else
+ return error(_("option `%s' requires a value"), opt->long_name);
+
+ if (buf->len)
+ strbuf_addch(buf, '\n');
+ if (ctx->prefix && !is_absolute_path(arg))
+ arg = prefix_filename(ctx->prefix, arg);
+ if (strbuf_read_file(buf, arg, 0) < 0)
+ return error(_("could not read file '%s'"), arg);
+ have_message = 1;
+
+ return 0;
+}
+
static struct strategy *get_strategy(const char *name)
{
int i;
static int option_parse_n(const struct option *opt,
const char *arg, int unset)
{
+ BUG_ON_OPT_ARG(arg);
show_diffstat = unset;
return 0;
}
N_("perform a commit if the merge succeeds (default)")),
OPT_BOOL('e', "edit", &option_edit,
N_("edit message before committing")),
+ OPT_CLEANUP(&cleanup_arg),
OPT_SET_INT(0, "ff", &fast_forward, N_("allow fast-forward (default)"), FF_ALLOW),
OPT_SET_INT_F(0, "ff-only", &fast_forward,
N_("abort if fast-forward is not possible"),
OPT_CALLBACK('m', "message", &merge_msg, N_("message"),
N_("merge commit message (for a non-fast-forward merge)"),
option_parse_message),
+ { OPTION_LOWLEVEL_CALLBACK, 'F', "file", &merge_msg, N_("path"),
+ N_("read message from file"), PARSE_OPT_NONEG,
+ NULL, 0, option_read_message },
OPT__VERBOSITY(&verbosity),
OPT_BOOL(0, "abort", &abort_current_merge,
N_("abort the current in-progress merge")),
+ OPT_BOOL(0, "quit", &quit_current_merge,
+ N_("--abort but leave index and working tree alone")),
OPT_BOOL(0, "continue", &continue_current_merge,
N_("continue the current in-progress merge")),
OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories,
OPT_END()
};
-/* Cleans up metadata that is uninteresting after a succeeded merge. */
-static void drop_save(void)
-{
- unlink(git_path_merge_head());
- unlink(git_path_merge_msg());
- unlink(git_path_merge_mode());
-}
-
static int save_state(struct object_id *stash)
{
int len;
{
if (verbosity >= 0)
printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg);
- drop_save();
+ remove_merge_branch_state(the_repository);
}
static void squash_message(struct commit *commit, struct commit_list *remoteheads)
printf(_("Squash commit -- not updating HEAD\n"));
- init_revisions(&rev, NULL);
+ repo_init_revisions(the_repository, &rev, NULL);
rev.ignore_merges = 1;
rev.commit_format = CMIT_FMT_MEDIUM;
oid_to_hex(&commit->object.oid));
pretty_print_commit(&ctx, commit, &out);
}
- write_file_buf(git_path_squash_msg(), out.buf, out.len);
+ write_file_buf(git_path_squash_msg(the_repository), out.buf, out.len);
strbuf_release(&out);
}
* We ignore errors in 'gc --auto', since the
* user should see them.
*/
- close_all_packs(the_repository->objects);
+ close_object_store(the_repository->objects);
run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
}
}
if (new_head && show_diffstat) {
struct diff_options opts;
- diff_setup(&opts);
+ repo_diff_setup(the_repository, &opts);
opts.stat_width = -1; /* use full terminal width */
opts.stat_graph_width = -1; /* respect statGraphWidth config */
opts.output_format |=
struct object_id branch_head;
struct strbuf buf = STRBUF_INIT;
struct strbuf bname = STRBUF_INIT;
+ struct merge_remote_desc *desc;
const char *ptr;
char *found_ref;
int len, early;
strbuf_release(&truname);
}
- if (remote_head->util) {
- struct merge_remote_desc *desc;
- desc = merge_remote_util(remote_head);
- if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
- strbuf_addf(msg, "%s\t\t%s '%s'\n",
- oid_to_hex(&desc->obj->oid),
- type_name(desc->obj->type),
- remote);
- goto cleanup;
- }
+ desc = merge_remote_util(remote_head);
+ if (desc && desc->obj && desc->obj->type == OBJ_TAG) {
+ strbuf_addf(msg, "%s\t\t%s '%s'\n",
+ oid_to_hex(&desc->obj->oid),
+ type_name(desc->obj->type),
+ remote);
+ goto cleanup;
}
strbuf_addf(msg, "%s\t\tcommit '%s'\n",
argc = split_cmdline(bmo, &argv);
if (argc < 0)
die(_("Bad branch.%s.mergeoptions string: %s"), branch,
- split_cmdline_strerror(argc));
+ _(split_cmdline_strerror(argc)));
REALLOC_ARRAY(argv, argc + 2);
MOVE_ARRAY(argv + 1, argv, argc + 1);
argc++;
return git_config_string(&pull_twohead, k, v);
else if (!strcmp(k, "pull.octopus"))
return git_config_string(&pull_octopus, k, v);
+ else if (!strcmp(k, "commit.cleanup"))
+ return git_config_string(&cleanup_arg, k, v);
else if (!strcmp(k, "merge.renormalize"))
option_renormalize = git_config_bool(k, v);
else if (!strcmp(k, "merge.ff")) {
return 2;
}
- init_merge_options(&o);
+ init_merge_options(&o, the_repository);
if (!strcmp(strategy, "subtree"))
o.subtree_shift = "";
exit(128);
if (write_locked_index(&the_index, &lock,
COMMIT_LOCK | SKIP_IF_UNCHANGED))
- die (_("unable to write %s"), get_index_file());
+ die(_("unable to write %s"), get_index_file());
return clean ? 0 : 1;
} else {
- return try_merge_command(strategy, xopts_nr, xopts,
- common, head_arg, remoteheads);
+ return try_merge_command(the_repository,
+ strategy, xopts_nr, xopts,
+ common, head_arg, remoteheads);
}
}
static void read_merge_msg(struct strbuf *msg)
{
- const char *filename = git_path_merge_msg();
+ const char *filename = git_path_merge_msg(the_repository);
strbuf_reset(msg);
if (strbuf_read_file(msg, filename, 0) < 0)
die_errno(_("Could not read from '%s'"), filename);
static const char merge_editor_comment[] =
N_("Please enter a commit message to explain why this merge is necessary,\n"
"especially if it merges an updated upstream into a topic branch.\n"
- "\n"
- "Lines starting with '%c' will be ignored, and an empty message aborts\n"
+ "\n");
+
+static const char scissors_editor_comment[] =
+N_("An empty message aborts the commit.\n");
+
+static const char no_scissors_editor_comment[] =
+N_("Lines starting with '%c' will be ignored, and an empty message aborts\n"
"the commit.\n");
static void write_merge_heads(struct commit_list *);
{
struct strbuf msg = STRBUF_INIT;
strbuf_addbuf(&msg, &merge_msg);
- strbuf_addch(&msg, '\n');
if (squash)
BUG("the control must not reach here under --squash");
- if (0 < option_edit)
- strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
+ if (0 < option_edit) {
+ strbuf_addch(&msg, '\n');
+ if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) {
+ wt_status_append_cut_line(&msg);
+ strbuf_commented_addf(&msg, "\n");
+ }
+ strbuf_commented_addf(&msg, _(merge_editor_comment));
+ strbuf_commented_addf(&msg, _(cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS ?
+ scissors_editor_comment :
+ no_scissors_editor_comment), comment_line_char);
+ }
if (signoff)
append_signoff(&msg, ignore_non_trailer(msg.buf, msg.len), 0);
write_merge_heads(remoteheads);
- write_file_buf(git_path_merge_msg(), msg.buf, msg.len);
+ write_file_buf(git_path_merge_msg(the_repository), msg.buf, msg.len);
if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
- git_path_merge_msg(), "merge", NULL))
+ git_path_merge_msg(the_repository), "merge", NULL))
abort_commit(remoteheads, NULL);
if (0 < option_edit) {
- if (launch_editor(git_path_merge_msg(), NULL, NULL))
+ if (launch_editor(git_path_merge_msg(the_repository), NULL, NULL))
abort_commit(remoteheads, NULL);
}
if (verify_msg && run_commit_hook(0 < option_edit, get_index_file(),
"commit-msg",
- git_path_merge_msg(), NULL))
+ git_path_merge_msg(the_repository), NULL))
abort_commit(remoteheads, NULL);
read_merge_msg(&msg);
- strbuf_stripspace(&msg, 0 < option_edit);
+ cleanup_message(&msg, cleanup_mode, 0);
if (!msg.len)
abort_commit(remoteheads, _("Empty commit message."));
strbuf_release(&merge_msg);
&result_commit, NULL, sign_commit))
die(_("failed to write commit object"));
finish(head, remoteheads, &result_commit, "In-index merge");
- drop_save();
+ remove_merge_branch_state(the_repository);
return 0;
}
struct strbuf buf = STRBUF_INIT;
struct object_id result_commit;
+ write_tree_trivial(result_tree);
free_commit_list(common);
parents = remoteheads;
if (!head_subsumed || fast_forward == FF_NO)
commit_list_insert(head, &parents);
- strbuf_addch(&merge_msg, '\n');
prepare_to_commit(remoteheads);
if (commit_tree(merge_msg.buf, merge_msg.len, result_tree, parents,
&result_commit, NULL, sign_commit))
strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy);
finish(head, remoteheads, &result_commit, buf.buf);
strbuf_release(&buf);
- drop_save();
+ remove_merge_branch_state(the_repository);
return 0;
}
FILE *fp;
struct strbuf msgbuf = STRBUF_INIT;
- filename = git_path_merge_msg();
+ filename = git_path_merge_msg(the_repository);
fp = xfopen(filename, "a");
- append_conflicts_hint(&msgbuf);
+ /*
+ * We can't use cleanup_mode because if we're not using the editor,
+ * get_cleanup_mode will return COMMIT_MSG_CLEANUP_SPACE instead, even
+ * though the message is meant to be processed later by git-commit.
+ * Thus, we will get the cleanup mode which is returned when we _are_
+ * using an editor.
+ */
+ append_conflicts_hint(&the_index, &msgbuf,
+ get_cleanup_mode(cleanup_arg, 1));
fputs(msgbuf.buf, fp);
strbuf_release(&msgbuf);
fclose(fp);
- rerere(allow_rerere_auto);
+ repo_rerere(the_repository, allow_rerere_auto);
printf(_("Automatic merge failed; "
"fix conflicts and then commit the result.\n"));
return 1;
struct rev_info rev;
/* Check how many files differ. */
- init_revisions(&rev, "");
+ repo_init_revisions(the_repository, &rev, "");
setup_revisions(0, NULL, &rev, NULL);
rev.diffopt.output_format |=
DIFF_FORMAT_CALLBACK;
for (j = remoteheads; j; j = j->next) {
struct object_id *oid;
struct commit *c = j->item;
- if (c->util && merge_remote_util(c)->obj) {
- oid = &merge_remote_util(c)->obj->oid;
+ struct merge_remote_desc *desc;
+
+ desc = merge_remote_util(c);
+ if (desc && desc->obj) {
+ oid = &desc->obj->oid;
} else {
oid = &c->object.oid;
}
strbuf_addf(&buf, "%s\n", oid_to_hex(oid));
}
- write_file_buf(git_path_merge_head(), buf.buf, buf.len);
+ write_file_buf(git_path_merge_head(the_repository), buf.buf, buf.len);
strbuf_reset(&buf);
if (fast_forward == FF_NO)
strbuf_addstr(&buf, "no-ff");
- write_file_buf(git_path_merge_mode(), buf.buf, buf.len);
+ write_file_buf(git_path_merge_mode(the_repository), buf.buf, buf.len);
strbuf_release(&buf);
}
{
write_merge_heads(remoteheads);
strbuf_addch(&merge_msg, '\n');
- write_file_buf(git_path_merge_msg(), merge_msg.buf, merge_msg.len);
+ write_file_buf(git_path_merge_msg(the_repository), merge_msg.buf,
+ merge_msg.len);
}
static int default_edit_option(void)
const char *filename;
int fd, pos, npos;
struct strbuf fetch_head_file = STRBUF_INIT;
+ const unsigned hexsz = the_hash_algo->hexsz;
if (!merge_names)
merge_names = &fetch_head_file;
- filename = git_path_fetch_head();
+ filename = git_path_fetch_head(the_repository);
fd = open(filename, O_RDONLY);
if (fd < 0)
die_errno(_("could not open '%s' for reading"), filename);
else
npos = merge_names->len;
- if (npos - pos < GIT_SHA1_HEXSZ + 2 ||
+ if (npos - pos < hexsz + 2 ||
get_oid_hex(merge_names->buf + pos, &oid))
commit = NULL; /* bad */
- else if (memcmp(merge_names->buf + pos + GIT_SHA1_HEXSZ, "\t\t", 2))
+ else if (memcmp(merge_names->buf + pos + hexsz, "\t\t", 2))
continue; /* not-for-merge */
else {
- char saved = merge_names->buf[pos + GIT_SHA1_HEXSZ];
- merge_names->buf[pos + GIT_SHA1_HEXSZ] = '\0';
+ char saved = merge_names->buf[pos + hexsz];
+ merge_names->buf[pos + hexsz] = '\0';
commit = get_merge_parent(merge_names->buf + pos);
- merge_names->buf[pos + GIT_SHA1_HEXSZ] = saved;
+ merge_names->buf[pos + hexsz] = saved;
}
if (!commit) {
if (ptr)
tag_ref = xstrfmt("refs/tags/%s",
((struct tag *)merge_remote_util(commit)->obj)->tag);
if (!read_ref(tag_ref, &oid) &&
- !oidcmp(&oid, &merge_remote_util(commit)->obj->oid))
+ oideq(&oid, &merge_remote_util(commit)->obj->oid))
is_throwaway_tag = 0;
else
is_throwaway_tag = 1;
branch = branch_to_free = resolve_refdup("HEAD", 0, &head_oid, NULL);
if (branch)
skip_prefix(branch, "refs/heads/", &branch);
+
+ init_diff_ui_defaults();
+ git_config(git_merge_config, NULL);
+
if (!branch || is_null_oid(&head_oid))
head_commit = NULL;
else
head_commit = lookup_commit_or_die(&head_oid, "HEAD");
- init_diff_ui_defaults();
- git_config(git_merge_config, NULL);
-
if (branch_mergeoptions)
parse_branch_merge_options(branch_mergeoptions);
argc = parse_options(argc, argv, prefix, builtin_merge_options,
usage_msg_opt(_("--abort expects no arguments"),
builtin_merge_usage, builtin_merge_options);
- if (!file_exists(git_path_merge_head()))
+ if (!file_exists(git_path_merge_head(the_repository)))
die(_("There is no merge to abort (MERGE_HEAD missing)."));
/* Invoke 'git reset --merge' */
goto done;
}
+ if (quit_current_merge) {
+ if (orig_argc != 2)
+ usage_msg_opt(_("--quit expects no arguments"),
+ builtin_merge_usage,
+ builtin_merge_options);
+
+ remove_merge_branch_state(the_repository);
+ goto done;
+ }
+
if (continue_current_merge) {
int nargc = 1;
const char *nargv[] = {"commit", NULL};
usage_msg_opt(_("--continue expects no arguments"),
builtin_merge_usage, builtin_merge_options);
- if (!file_exists(git_path_merge_head()))
+ if (!file_exists(git_path_merge_head(the_repository)))
die(_("There is no merge in progress (MERGE_HEAD missing)."));
/* Invoke 'git commit' */
if (read_cache_unmerged())
die_resolve_conflict("merge");
- if (file_exists(git_path_merge_head())) {
+ if (file_exists(git_path_merge_head(the_repository))) {
/*
* There is no unmerged entry, don't advise 'git
* add/rm <file>', just 'git commit'.
else
die(_("You have not concluded your merge (MERGE_HEAD exists)."));
}
- if (file_exists(git_path_cherry_pick_head())) {
+ if (file_exists(git_path_cherry_pick_head(the_repository))) {
if (advice_resolve_conflict)
die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists).\n"
"Please, commit your changes before you merge."));
}
resolve_undo_clear();
+ if (option_edit < 0)
+ option_edit = default_edit_option();
+
+ cleanup_mode = get_cleanup_mode(cleanup_arg, 0 < option_edit);
+
if (verbosity < 0)
show_diffstat = 0;
if (squash) {
if (fast_forward == FF_NO)
die(_("You cannot combine --squash with --no-ff."));
+ if (option_commit > 0)
+ die(_("You cannot combine --squash with --commit."));
+ /*
+ * squash can now silently disable option_commit - this is not
+ * a problem as it is only overriding the default, not a user
+ * supplied option.
+ */
option_commit = 0;
}
+ if (option_commit < 0)
+ option_commit = 1;
+
if (!argc) {
if (default_to_upstream)
argc = setup_with_upstream(&argv);
die(_("%s - not something we can merge"), argv[0]);
if (remoteheads->next)
die(_("Can merge only exactly one commit into empty head"));
+
+ if (verify_signatures)
+ verify_merge_signature(remoteheads->item, verbosity);
+
remote_head_oid = &remoteheads->item->object.oid;
read_empty(remote_head_oid, 0);
update_ref("initial pull", "HEAD", remote_head_oid, NULL, 0,
if (verify_signatures) {
for (p = remoteheads; p; p = p->next) {
- struct commit *commit = p->item;
- char hex[GIT_MAX_HEXSZ + 1];
- struct signature_check signature_check;
- memset(&signature_check, 0, sizeof(signature_check));
-
- check_commit_signature(commit, &signature_check);
-
- find_unique_abbrev_r(hex, &commit->object.oid, DEFAULT_ABBREV);
- switch (signature_check.result) {
- case 'G':
- break;
- case 'U':
- die(_("Commit %s has an untrusted GPG signature, "
- "allegedly by %s."), hex, signature_check.signer);
- case 'B':
- die(_("Commit %s has a bad GPG signature "
- "allegedly by %s."), hex, signature_check.signer);
- default: /* 'N' */
- die(_("Commit %s does not have a GPG signature."), hex);
- }
- if (verbosity >= 0 && signature_check.result == 'G')
- printf(_("Commit %s has a good GPG signature by %s\n"),
- hex, signature_check.signer);
-
- signature_check_clear(&signature_check);
+ verify_merge_signature(p->item, verbosity);
}
}
fast_forward = FF_NO;
}
- if (option_edit < 0)
- option_edit = default_edit_option();
-
if (!use_strategies) {
if (!remoteheads)
; /* already up-to-date */
goto done;
} else if (fast_forward != FF_NO && !remoteheads->next &&
!common->next &&
- !oidcmp(&common->item->object.oid, &head_commit->object.oid)) {
+ oideq(&common->item->object.oid, &head_commit->object.oid)) {
/* Again the most common case of merging one remote. */
struct strbuf msg = STRBUF_INIT;
struct commit *commit;
goto done;
}
- if (checkout_fast_forward(&head_commit->object.oid,
+ if (checkout_fast_forward(the_repository,
+ &head_commit->object.oid,
&commit->object.oid,
overwrite_ignore)) {
ret = 1;
}
finish(head_commit, remoteheads, &commit->object.oid, msg.buf);
- drop_save();
+ remove_merge_branch_state(the_repository);
goto done;
} else if (!remoteheads->next && common->next)
;
* HEAD^^" would be missed.
*/
common_one = get_merge_bases(head_commit, j->item);
- if (oidcmp(&common_one->item->object.oid, &j->item->object.oid)) {
+ if (!oideq(&common_one->item->object.oid, &j->item->object.oid)) {
up_to_date = 0;
break;
}
save_state(&stash))
oidclr(&stash);
- for (i = 0; i < use_strategies_nr; i++) {
- int ret;
+ for (i = 0; !merge_was_ok && i < use_strategies_nr; i++) {
+ int ret, cnt;
if (i) {
printf(_("Rewinding the tree to pristine...\n"));
restore_state(&head_commit->object.oid, &stash);
ret = try_merge_strategy(use_strategies[i]->name,
common, remoteheads,
head_commit);
- if (!option_commit && !ret) {
- merge_was_ok = 1;
- /*
- * This is necessary here just to avoid writing
- * the tree, but later we will *not* exit with
- * status code 1 because merge_was_ok is set.
- */
- ret = 1;
- }
-
- if (ret) {
- /*
- * The backend exits with 1 when conflicts are
- * left to be resolved, with 2 when it does not
- * handle the given merge at all.
- */
- if (ret == 1) {
- int cnt = evaluate_result();
-
- if (best_cnt <= 0 || cnt <= best_cnt) {
- best_strategy = use_strategies[i]->name;
- best_cnt = cnt;
+ /*
+ * The backend exits with 1 when conflicts are
+ * left to be resolved, with 2 when it does not
+ * handle the given merge at all.
+ */
+ if (ret < 2) {
+ if (!ret) {
+ if (option_commit) {
+ /* Automerge succeeded. */
+ automerge_was_ok = 1;
+ break;
}
+ merge_was_ok = 1;
+ }
+ cnt = evaluate_result();
+ if (best_cnt <= 0 || cnt <= best_cnt) {
+ best_strategy = use_strategies[i]->name;
+ best_cnt = cnt;
}
- if (merge_was_ok)
- break;
- else
- continue;
}
-
- /* Automerge succeeded. */
- write_tree_trivial(&result_tree);
- automerge_was_ok = 1;
- break;
}
/*