author | Junio C Hamano <gitster@pobox.com> | |
Thu, 22 Dec 2011 19:27:26 +0000 (11:27 -0800) | ||
committer | Junio C Hamano <gitster@pobox.com> | |
Thu, 22 Dec 2011 19:27:26 +0000 (11:27 -0800) |
* nd/war-on-nul-in-commit:
commit_tree(): refuse commit messages that contain NULs
Convert commit_tree() to take strbuf as message
merge: abort if fails to commit
Conflicts:
builtin/commit.c
commit.c
commit.h
commit_tree(): refuse commit messages that contain NULs
Convert commit_tree() to take strbuf as message
merge: abort if fails to commit
Conflicts:
builtin/commit.c
commit.c
commit.h
1 | 2 | |||
---|---|---|---|---|
builtin/commit-tree.c | patch | | diff1 | | diff2 | | blob | history |
builtin/commit.c | patch | | diff1 | | diff2 | | blob | history |
builtin/merge.c | patch | | diff1 | | diff2 | | blob | history |
builtin/notes.c | patch | | diff1 | | diff2 | | blob | history |
commit.c | patch | | diff1 | | diff2 | | blob | history |
commit.h | patch | | diff1 | | diff2 | | blob | history |
notes-merge.c | patch | | diff1 | | diff2 | | blob | history |
diff --combined builtin/commit-tree.c
index b9c331225f0d5c960e9e03f2c92d498f8f01f74c,0895861457a2c90a0ddff9ab0864ef258e91cce5..05353c30f292684b44b42f7f744d8eb1b7062f69
+++ b/builtin/commit-tree.c
#include "builtin.h"
#include "utf8.h"
-static const char commit_tree_usage[] = "git commit-tree <sha1> [(-p <sha1>)...] < changelog";
+static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-m <message>] [-F <file>] <sha1> <changelog";
static void new_parent(struct commit *parent, struct commit_list **parents_p)
{
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
- int i;
+ int i, got_tree = 0;
struct commit_list *parents = NULL;
unsigned char tree_sha1[20];
unsigned char commit_sha1[20];
if (argc < 2 || !strcmp(argv[1], "-h"))
usage(commit_tree_usage);
- if (get_sha1(argv[1], tree_sha1))
- die("Not a valid object name %s", argv[1]);
- for (i = 2; i < argc; i += 2) {
- unsigned char sha1[20];
- const char *a, *b;
- a = argv[i]; b = argv[i+1];
- if (!b || strcmp(a, "-p"))
- usage(commit_tree_usage);
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ if (!strcmp(arg, "-p")) {
+ unsigned char sha1[20];
+ if (argc <= ++i)
+ usage(commit_tree_usage);
+ if (get_sha1(argv[i], sha1))
+ die("Not a valid object name %s", argv[i]);
+ assert_sha1_type(sha1, OBJ_COMMIT);
+ new_parent(lookup_commit(sha1), &parents);
+ continue;
+ }
+
+ if (!strcmp(arg, "-m")) {
+ if (argc <= ++i)
+ usage(commit_tree_usage);
+ if (buffer.len)
+ strbuf_addch(&buffer, '\n');
+ strbuf_addstr(&buffer, argv[i]);
+ strbuf_complete_line(&buffer);
+ continue;
+ }
+
+ if (!strcmp(arg, "-F")) {
+ int fd;
- if (get_sha1(b, sha1))
- die("Not a valid object name %s", b);
- assert_sha1_type(sha1, OBJ_COMMIT);
- new_parent(lookup_commit(sha1), &parents);
+ if (argc <= ++i)
+ usage(commit_tree_usage);
+ if (buffer.len)
+ strbuf_addch(&buffer, '\n');
+ if (!strcmp(argv[i], "-"))
+ fd = 0;
+ else {
+ fd = open(argv[i], O_RDONLY);
+ if (fd < 0)
+ die_errno("git commit-tree: failed to open '%s'",
+ argv[i]);
+ }
+ if (strbuf_read(&buffer, fd, 0) < 0)
+ die_errno("git commit-tree: failed to read '%s'",
+ argv[i]);
+ if (fd && close(fd))
+ die_errno("git commit-tree: failed to close '%s'",
+ argv[i]);
+ strbuf_complete_line(&buffer);
+ continue;
+ }
+
+ if (get_sha1(arg, tree_sha1))
+ die("Not a valid object name %s", arg);
+ if (got_tree)
+ die("Cannot give more than one trees");
+ got_tree = 1;
}
- if (strbuf_read(&buffer, 0, 0) < 0)
- die_errno("git commit-tree: failed to read");
+ if (!buffer.len) {
+ if (strbuf_read(&buffer, 0, 0) < 0)
+ die_errno("git commit-tree: failed to read");
+ }
- if (commit_tree(buffer.buf, tree_sha1, parents, commit_sha1, NULL)) {
+ if (commit_tree(&buffer, tree_sha1, parents, commit_sha1, NULL)) {
strbuf_release(&buffer);
return 1;
}
diff --combined builtin/commit.c
index be1ab2e2570fe0b600f8b1aa55c32573578af766,849151e9517818203b9d7ba4368c87d26dd61ebf..3069041b8023224be0080f081d852dc001a81437
--- 1/builtin/commit.c
--- 2/builtin/commit.c
+++ b/builtin/commit.c
static const char *author_message, *author_message_buffer;
static char *edit_message, *use_message;
static char *fixup_message, *squash_message;
-static int all, edit_flag, also, interactive, patch_interactive, only, amend, signoff;
+static int all, also, interactive, patch_interactive, only, amend, signoff;
+static int edit_flag = -1; /* unspecified */
static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
static int no_post_rewrite, allow_empty_message;
static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
OPT_STRING('C', "reuse-message", &use_message, "commit", "reuse message from specified commit"),
OPT_STRING(0, "fixup", &fixup_message, "commit", "use autosquash formatted message to fixup specified commit"),
OPT_STRING(0, "squash", &squash_message, "commit", "use autosquash formatted message to squash specified commit"),
- OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"),
+ OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C/-c/--amend)"),
OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
OPT_FILENAME('t', "template", &template_file, "use specified template file"),
- OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),
+ OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"),
OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"),
/* end commit message options */
fd = hold_locked_index(&index_lock, 1);
add_files_to_cache(also ? prefix : NULL, pathspec, 0);
refresh_cache_or_die(refresh_flags);
+ update_main_cache_tree(1);
if (write_cache(fd, active_cache, active_nr) ||
close_lock_file(&index_lock))
die(_("unable to write new_index file"));
fd = hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
if (active_cache_changed) {
+ update_main_cache_tree(1);
if (write_cache(fd, active_cache, active_nr) ||
commit_locked_index(&index_lock))
die(_("unable to write new_index file"));
*/
discard_cache();
read_cache_from(index_file);
- if (!active_cache_tree)
- active_cache_tree = cache_tree();
- if (cache_tree_update(active_cache_tree,
- active_cache, active_nr, 0, 0) < 0) {
+ if (update_main_cache_tree(0)) {
error(_("Error building trees"));
return 0;
}
if (logfile || message.len || use_message || fixup_message)
use_editor = 0;
- if (edit_flag)
- use_editor = 1;
+ if (0 <= edit_flag)
+ use_editor = edit_flag;
if (!use_editor)
setenv("GIT_EDITOR", ":", 1);
struct commit *commit;
struct strbuf format = STRBUF_INIT;
unsigned char junk_sha1[20];
- const char *head = resolve_ref("HEAD", junk_sha1, 0, NULL);
+ const char *head;
struct pretty_print_context pctx = {0};
struct strbuf author_ident = STRBUF_INIT;
struct strbuf committer_ident = STRBUF_INIT;
rev.diffopt.break_opt = 0;
diff_setup_done(&rev.diffopt);
+ head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);
printf("[%s%s ",
!prefixcmp(head, "refs/heads/") ?
head + 11 :
int allow_fast_forward = 1;
struct wt_status s;
struct commit *current_head = NULL;
+ struct commit_extra_header *extra = NULL;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_commit_usage, builtin_commit_options);
pptr = &commit_list_insert(c->item, pptr)->next;
} else if (whence == FROM_MERGE) {
struct strbuf m = STRBUF_INIT;
- struct commit *commit;
FILE *fp;
if (!reflog_msg)
die_errno(_("could not open '%s' for reading"),
git_path("MERGE_HEAD"));
while (strbuf_getline(&m, fp, '\n') != EOF) {
- unsigned char sha1[20];
- if (get_sha1_hex(m.buf, sha1) < 0)
+ struct commit *parent;
+
+ parent = get_merge_parent(m.buf);
+ if (!parent)
die(_("Corrupt MERGE_HEAD file (%s)"), m.buf);
- commit = lookup_commit_or_die(sha1, "MERGE_HEAD");
- pptr = &commit_list_insert(commit, pptr)->next;
+ pptr = &commit_list_insert(parent, pptr)->next;
}
fclose(fp);
strbuf_release(&m);
exit(1);
}
- if (commit_tree(&sb, active_cache_tree->sha1, parents, sha1,
- author_ident.buf)) {
+ if (amend) {
+ extra = read_commit_extra_headers(current_head);
+ } else {
+ struct commit_extra_header **tail = &extra;
+ append_merge_tag_headers(parents, &tail);
+ }
+
- if (commit_tree_extended(sb.buf, active_cache_tree->sha1, parents, sha1,
++ if (commit_tree_extended(&sb, active_cache_tree->sha1, parents, sha1,
+ author_ident.buf, extra)) {
rollback_index_files();
die(_("failed to write commit object"));
}
strbuf_release(&author_ident);
+ free_commit_extra_headers(extra);
ref_lock = lock_any_ref_for_update("HEAD",
!current_head
diff --combined builtin/merge.c
index 24579409c08f2e24ef3e5f2599a6af1aab8d28cd,e066bf1b0bbaca7820d32276e9c3c522ee23c991..a896165790d0c6cf05858f229cfaf05e62f67a9c
--- 1/builtin/merge.c
--- 2/builtin/merge.c
+++ b/builtin/merge.c
#include "merge-recursive.h"
#include "resolve-undo.h"
#include "remote.h"
+#include "fmt-merge-msg.h"
#define DEFAULT_TWOHEAD (1<<0)
#define DEFAULT_OCTOPUS (1<<1)
NULL
};
-static int show_diffstat = 1, shortlog_len, squash;
+static int show_diffstat = 1, shortlog_len = -1, squash;
static int option_commit = 1, allow_fast_forward = 1;
static int fast_forward_only, option_edit;
static int allow_trivial = 1, have_message;
+static int overwrite_ignore = 1;
static struct strbuf merge_msg;
static struct commit_list *remoteheads;
static struct strategy **use_strategies;
OPT_BOOLEAN(0, "abort", &abort_current_merge,
"abort the current in-progress merge"),
OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
+ OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, "update ignored files (default)"),
OPT_END()
};
strbuf_release(&reflog_message);
}
-static struct object *want_commit(const char *name)
-{
- struct object *obj;
- unsigned char sha1[20];
- if (get_sha1(name, sha1))
- return NULL;
- obj = parse_object(sha1);
- return peel_to_type(name, 0, obj, OBJ_COMMIT);
-}
-
/* Get the name for the merge commit's message. */
static void merge_name(const char *remote, struct strbuf *msg)
{
- struct object *remote_head;
- unsigned char branch_head[20], buf_sha[20];
+ struct commit *remote_head;
+ unsigned char branch_head[20];
struct strbuf buf = STRBUF_INIT;
struct strbuf bname = STRBUF_INIT;
const char *ptr;
remote = bname.buf;
memset(branch_head, 0, sizeof(branch_head));
- remote_head = want_commit(remote);
+ remote_head = get_merge_parent(remote);
if (!remote_head)
die(_("'%s' does not point to a commit"), remote);
sha1_to_hex(branch_head), remote);
goto cleanup;
}
+ if (!prefixcmp(found_ref, "refs/tags/")) {
+ strbuf_addf(msg, "%s\t\ttag '%s' of .\n",
+ sha1_to_hex(branch_head), remote);
+ goto cleanup;
+ }
if (!prefixcmp(found_ref, "refs/remotes/")) {
strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n",
sha1_to_hex(branch_head), remote);
strbuf_addstr(&truname, "refs/heads/");
strbuf_addstr(&truname, remote);
strbuf_setlen(&truname, truname.len - len);
- if (resolve_ref(truname.buf, buf_sha, 1, NULL)) {
+ if (ref_exists(truname.buf)) {
strbuf_addf(msg,
"%s\t\tbranch '%s'%s of .\n",
- sha1_to_hex(remote_head->sha1),
+ sha1_to_hex(remote_head->object.sha1),
truname.buf + 11,
(early ? " (early part)" : ""));
strbuf_release(&truname);
goto cleanup;
}
strbuf_addf(msg, "%s\t\tcommit '%s'\n",
- sha1_to_hex(remote_head->sha1), remote);
+ sha1_to_hex(remote_head->object.sha1), remote);
cleanup:
strbuf_release(&buf);
strbuf_release(&bname);
static int git_merge_config(const char *k, const char *v, void *cb)
{
+ int status;
+
if (branch && !prefixcmp(k, "branch.") &&
!prefixcmp(k + 7, branch) &&
!strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
return git_config_string(&pull_octopus, k, v);
else if (!strcmp(k, "merge.renormalize"))
option_renormalize = git_config_bool(k, v);
- else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary")) {
- int is_bool;
- shortlog_len = git_config_bool_or_int(k, v, &is_bool);
- if (!is_bool && shortlog_len < 0)
- return error(_("%s: negative length %s"), k, v);
- if (is_bool && shortlog_len)
- shortlog_len = DEFAULT_MERGE_LOG_LEN;
- return 0;
- } else if (!strcmp(k, "merge.ff")) {
+ else if (!strcmp(k, "merge.ff")) {
int boolval = git_config_maybe_bool(k, v);
if (0 <= boolval) {
allow_fast_forward = boolval;
default_to_upstream = git_config_bool(k, v);
return 0;
}
+ status = fmt_merge_msg_config(k, v, cb);
+ if (status)
+ return status;
return git_diff_ui_config(k, v, cb);
}
die(_("Unknown option for merge-recursive: -X%s"), xopts[x]);
o.branch1 = head_arg;
- o.branch2 = remoteheads->item->util;
+ o.branch2 = merge_remote_util(remoteheads->item)->name;
for (j = common; j; j = j->next)
commit_list_insert(j->item, &reversed);
memset(&trees, 0, sizeof(trees));
memset(&opts, 0, sizeof(opts));
memset(&t, 0, sizeof(t));
- memset(&dir, 0, sizeof(dir));
- dir.flags |= DIR_SHOW_IGNORED;
- dir.exclude_per_dir = ".gitignore";
- opts.dir = &dir;
+ if (overwrite_ignore) {
+ memset(&dir, 0, sizeof(dir));
+ dir.flags |= DIR_SHOW_IGNORED;
+ setup_standard_excludes(&dir);
+ opts.dir = &dir;
+ }
opts.head_idx = 1;
opts.src_index = &the_index;
parent->next->item = remoteheads->item;
parent->next->next = NULL;
prepare_to_commit();
- commit_tree(merge_msg.buf, result_tree, parent, result_commit, NULL);
+ if (commit_tree(&merge_msg, result_tree, parent, result_commit, NULL))
+ die(_("failed to write commit object"));
finish(head, result_commit, "In-index merge");
drop_save();
return 0;
strbuf_addch(&merge_msg, '\n');
prepare_to_commit();
free_commit_list(remoteheads);
- commit_tree(merge_msg.buf, result_tree, parents, result_commit, NULL);
+ if (commit_tree(&merge_msg, result_tree, parents, result_commit, NULL))
+ die(_("failed to write commit object"));
strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy);
finish(head, result_commit, buf.buf);
strbuf_release(&buf);
struct commit_list *j;
struct strbuf buf = STRBUF_INIT;
- for (j = remoteheads; j; j = j->next)
- strbuf_addf(&buf, "%s\n",
- sha1_to_hex(j->item->object.sha1));
+ for (j = remoteheads; j; j = j->next) {
+ unsigned const char *sha1;
+ struct commit *c = j->item;
+ if (c->util && merge_remote_util(c)->obj) {
+ sha1 = merge_remote_util(c)->obj->sha1;
+ } else {
+ sha1 = c->object.sha1;
+ }
+ strbuf_addf(&buf, "%s\n", sha1_to_hex(sha1));
+ }
filename = git_path("MERGE_HEAD");
fd = open(filename, O_WRONLY | O_CREAT, 0666);
if (fd < 0)
struct commit *head_commit;
struct strbuf buf = STRBUF_INIT;
const char *head_arg;
- int flag, i;
+ int flag, i, ret = 0;
int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0;
struct commit_list *common = NULL;
const char *best_strategy = NULL, *wt_strategy = NULL;
struct commit_list **remotes = &remoteheads;
+ void *branch_to_free;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_merge_usage, builtin_merge_options);
* Check if we are _not_ on a detached HEAD, i.e. if there is a
* current branch.
*/
- branch = resolve_ref("HEAD", head_sha1, 0, &flag);
+ branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag);
if (branch && !prefixcmp(branch, "refs/heads/"))
branch += 11;
if (!branch || is_null_sha1(head_sha1))
parse_branch_merge_options(branch_mergeoptions);
argc = parse_options(argc, argv, prefix, builtin_merge_options,
builtin_merge_usage, 0);
+ if (shortlog_len < 0)
+ shortlog_len = (merge_log_config > 0) ? merge_log_config : 0;
if (verbosity < 0 && show_progress == -1)
show_progress = 0;
die(_("There is no merge to abort (MERGE_HEAD missing)."));
/* Invoke 'git reset --merge' */
- return cmd_reset(nargc, nargv, prefix);
+ ret = cmd_reset(nargc, nargv, prefix);
+ goto done;
}
if (read_cache_unmerged())
die(_("You cannot combine --no-ff with --ff-only."));
if (!abort_current_merge) {
- if (!argc && default_to_upstream)
- argc = setup_with_upstream(&argv);
- else if (argc == 1 && !strcmp(argv[0], "-"))
+ if (!argc) {
+ if (default_to_upstream)
+ argc = setup_with_upstream(&argv);
+ else
+ die(_("No commit specified and merge.defaultToUpstream not set."));
+ } else if (argc == 1 && !strcmp(argv[0], "-"))
argv[0] = "@{-1}";
}
if (!argc)
argv += 2;
argc -= 2;
} else if (!head_commit) {
- struct object *remote_head;
+ struct commit *remote_head;
/*
* If the merged head is a valid one there is no reason
* to forbid "git merge" into a branch yet to be born.
if (!allow_fast_forward)
die(_("Non-fast-forward commit does not make sense into "
"an empty head"));
- remote_head = want_commit(argv[0]);
+ remote_head = get_merge_parent(argv[0]);
if (!remote_head)
die(_("%s - not something we can merge"), argv[0]);
- read_empty(remote_head->sha1, 0);
- update_ref("initial pull", "HEAD", remote_head->sha1, NULL, 0,
- DIE_ON_ERR);
- return 0;
+ read_empty(remote_head->object.sha1, 0);
+ update_ref("initial pull", "HEAD", remote_head->object.sha1,
+ NULL, 0, DIE_ON_ERR);
+ goto done;
} else {
struct strbuf merge_names = STRBUF_INIT;
head_arg = "HEAD";
/*
- * All the rest are the commits being merged;
- * prepare the standard merge summary message to
- * be appended to the given message. If remote
- * is invalid we will die later in the common
- * codepath so we discard the error in this
- * loop.
+ * All the rest are the commits being merged; prepare
+ * the standard merge summary message to be appended
+ * to the given message.
*/
for (i = 0; i < argc; i++)
merge_name(argv[i], &merge_names);
if (!have_message || shortlog_len) {
- fmt_merge_msg(&merge_names, &merge_msg, !have_message,
- shortlog_len);
+ struct fmt_merge_msg_opts opts;
+ memset(&opts, 0, sizeof(opts));
+ opts.add_title = !have_message;
+ opts.shortlog_len = shortlog_len;
+
+ fmt_merge_msg(&merge_names, &merge_msg, &opts);
if (merge_msg.len)
strbuf_setlen(&merge_msg, merge_msg.len - 1);
}
strbuf_reset(&buf);
for (i = 0; i < argc; i++) {
- struct object *o;
- struct commit *commit;
-
- o = want_commit(argv[i]);
- if (!o)
+ struct commit *commit = get_merge_parent(argv[i]);
+ if (!commit)
die(_("%s - not something we can merge"), argv[i]);
- commit = lookup_commit(o->sha1);
- commit->util = (void *)argv[i];
remotes = &commit_list_insert(commit, remotes)->next;
-
- strbuf_addf(&buf, "GITHEAD_%s", sha1_to_hex(o->sha1));
+ strbuf_addf(&buf, "GITHEAD_%s",
+ sha1_to_hex(commit->object.sha1));
setenv(buf.buf, argv[i], 1);
strbuf_reset(&buf);
+ if (merge_remote_util(commit) &&
+ merge_remote_util(commit)->obj &&
+ merge_remote_util(commit)->obj->type == OBJ_TAG) {
+ option_edit = 1;
+ allow_fast_forward = 0;
+ }
}
if (!use_strategies) {
* but first the most common case of merging one remote.
*/
finish_up_to_date("Already up-to-date.");
- return 0;
+ goto done;
} else if (allow_fast_forward && !remoteheads->next &&
!common->next &&
!hashcmp(common->item->object.sha1, head_commit->object.sha1)) {
/* Again the most common case of merging one remote. */
struct strbuf msg = STRBUF_INIT;
- struct object *o;
+ struct commit *commit;
char hex[41];
strcpy(hex, find_unique_abbrev(head_commit->object.sha1, DEFAULT_ABBREV));
if (have_message)
strbuf_addstr(&msg,
" (no commit created; -m option ignored)");
- o = want_commit(sha1_to_hex(remoteheads->item->object.sha1));
- if (!o)
- return 1;
+ commit = remoteheads->item;
+ if (!commit) {
+ ret = 1;
+ goto done;
+ }
- if (checkout_fast_forward(head_commit->object.sha1, remoteheads->item->object.sha1))
- return 1;
+ if (checkout_fast_forward(head_commit->object.sha1,
+ commit->object.sha1)) {
+ ret = 1;
+ goto done;
+ }
- finish(head_commit, o->sha1, msg.buf);
+ finish(head_commit, commit->object.sha1, msg.buf);
drop_save();
- return 0;
+ goto done;
} else if (!remoteheads->next && common->next)
;
/*
git_committer_info(IDENT_ERROR_ON_NO_NAME);
printf(_("Trying really trivial in-index merge...\n"));
if (!read_tree_trivial(common->item->object.sha1,
- head_commit->object.sha1, remoteheads->item->object.sha1))
- return merge_trivial(head_commit);
+ head_commit->object.sha1,
+ remoteheads->item->object.sha1)) {
+ ret = merge_trivial(head_commit);
+ goto done;
+ }
printf(_("Nope.\n"));
}
} else {
}
if (up_to_date) {
finish_up_to_date("Already up-to-date. Yeeah!");
- return 0;
+ goto done;
}
}
* If we have a resulting tree, that means the strategy module
* auto resolved the merge cleanly.
*/
- if (automerge_was_ok)
- return finish_automerge(head_commit, common, result_tree,
- wt_strategy);
+ if (automerge_was_ok) {
+ ret = finish_automerge(head_commit, common, result_tree,
+ wt_strategy);
+ goto done;
+ }
/*
* Pick the result from the best strategy and have the user fix
else
fprintf(stderr, _("Merge with strategy %s failed.\n"),
use_strategies[0]->name);
- return 2;
+ ret = 2;
+ goto done;
} else if (best_strategy == wt_strategy)
; /* We already have its result in the working tree. */
else {
else
write_merge_state();
- if (merge_was_ok) {
+ if (merge_was_ok)
fprintf(stderr, _("Automatic merge went well; "
"stopped before committing as requested\n"));
- return 0;
- } else
- return suggest_conflicts(option_renormalize);
+ else
+ ret = suggest_conflicts(option_renormalize);
+
+done:
+ free(branch_to_free);
+ return ret;
}
diff --combined builtin/notes.c
index 667e20a1e13770b845c0774e754043fae514a4b1,5e32548cdd89fa6a45f731dc9cae1bfca4955a0e..3644d140ece9f2cfc6381e1a60c5b4fc8f645e2a
--- 1/builtin/notes.c
--- 2/builtin/notes.c
+++ b/builtin/notes.c
return; /* don't have to commit an unchanged tree */
/* Prepare commit message and reflog message */
- strbuf_addstr(&buf, "notes: "); /* commit message starts at index 7 */
strbuf_addstr(&buf, msg);
if (buf.buf[buf.len - 1] != '\n')
strbuf_addch(&buf, '\n'); /* Make sure msg ends with newline */
- create_notes_commit(t, NULL, buf.buf + 7, commit_sha1);
+ create_notes_commit(t, NULL, &buf, commit_sha1);
+ strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */
update_ref(buf.buf, t->ref, commit_sha1, NULL, 0, DIE_ON_ERR);
strbuf_release(&buf);
struct notes_tree *t;
struct commit *partial;
struct pretty_print_context pretty_ctx;
+ void *local_ref_to_free;
+ int ret;
/*
* Read partial merge result from .git/NOTES_MERGE_PARTIAL,
t = xcalloc(1, sizeof(struct notes_tree));
init_notes(t, "NOTES_MERGE_PARTIAL", combine_notes_overwrite, 0);
- o->local_ref = resolve_ref("NOTES_MERGE_REF", sha1, 0, NULL);
+ o->local_ref = local_ref_to_free =
+ resolve_refdup("NOTES_MERGE_REF", sha1, 0, NULL);
if (!o->local_ref)
die("Failed to resolve NOTES_MERGE_REF");
free_notes(t);
strbuf_release(&msg);
- return merge_abort(o);
+ ret = merge_abort(o);
+ free(local_ref_to_free);
+ return ret;
}
static int merge(int argc, const char **argv, const char *prefix)
diff --combined commit.c
index b78127403be65f5c26e35e53a59b91860396194a,80e61b4cf551a05b06f5944018265868767515bf..44bc96d44d391209d3a60e9e8c1b98ed209e6b4a
+++ b/commit.c
return result;
}
- int commit_tree(const char *msg, unsigned char *tree,
+static void handle_signed_tag(struct commit *parent, struct commit_extra_header ***tail)
+{
+ struct merge_remote_desc *desc;
+ struct commit_extra_header *mergetag;
+ char *buf;
+ unsigned long size, len;
+ enum object_type type;
+
+ desc = merge_remote_util(parent);
+ if (!desc || !desc->obj)
+ return;
+ buf = read_sha1_file(desc->obj->sha1, &type, &size);
+ if (!buf || type != OBJ_TAG)
+ goto free_return;
+ len = parse_signature(buf, size);
+ if (size == len)
+ goto free_return;
+ /*
+ * We could verify this signature and either omit the tag when
+ * it does not validate, but the integrator may not have the
+ * public key of the signer of the tag he is merging, while a
+ * later auditor may have it while auditing, so let's not run
+ * verify-signed-buffer here for now...
+ *
+ * if (verify_signed_buffer(buf, len, buf + len, size - len, ...))
+ * warn("warning: signed tag unverified.");
+ */
+ mergetag = xcalloc(1, sizeof(*mergetag));
+ mergetag->key = xstrdup("mergetag");
+ mergetag->value = buf;
+ mergetag->len = size;
+
+ **tail = mergetag;
+ *tail = &mergetag->next;
+ return;
+
+free_return:
+ free(buf);
+}
+
+void append_merge_tag_headers(struct commit_list *parents,
+ struct commit_extra_header ***tail)
+{
+ while (parents) {
+ struct commit *parent = parents->item;
+ handle_signed_tag(parent, tail);
+ parents = parents->next;
+ }
+}
+
+static void add_extra_header(struct strbuf *buffer,
+ struct commit_extra_header *extra)
+{
+ strbuf_addstr(buffer, extra->key);
+ if (extra->len)
+ strbuf_add_lines(buffer, " ", extra->value, extra->len);
+ else
+ strbuf_addch(buffer, '\n');
+}
+
+struct commit_extra_header *read_commit_extra_headers(struct commit *commit)
+{
+ struct commit_extra_header *extra = NULL;
+ unsigned long size;
+ enum object_type type;
+ char *buffer = read_sha1_file(commit->object.sha1, &type, &size);
+ if (buffer && type == OBJ_COMMIT)
+ extra = read_commit_extra_header_lines(buffer, size);
+ free(buffer);
+ return extra;
+}
+
+static inline int standard_header_field(const char *field, size_t len)
+{
+ return ((len == 4 && !memcmp(field, "tree ", 5)) ||
+ (len == 6 && !memcmp(field, "parent ", 7)) ||
+ (len == 6 && !memcmp(field, "author ", 7)) ||
+ (len == 9 && !memcmp(field, "committer ", 10)) ||
+ (len == 8 && !memcmp(field, "encoding ", 9)));
+}
+
+struct commit_extra_header *read_commit_extra_header_lines(const char *buffer, size_t size)
+{
+ struct commit_extra_header *extra = NULL, **tail = &extra, *it = NULL;
+ const char *line, *next, *eof, *eob;
+ struct strbuf buf = STRBUF_INIT;
+
+ for (line = buffer, eob = line + size;
+ line < eob && *line != '\n';
+ line = next) {
+ next = memchr(line, '\n', eob - line);
+ next = next ? next + 1 : eob;
+ if (*line == ' ') {
+ /* continuation */
+ if (it)
+ strbuf_add(&buf, line + 1, next - (line + 1));
+ continue;
+ }
+ if (it)
+ it->value = strbuf_detach(&buf, &it->len);
+ strbuf_reset(&buf);
+ it = NULL;
+
+ eof = strchr(line, ' ');
+ if (next <= eof)
+ eof = next;
+
+ if (standard_header_field(line, eof - line))
+ continue;
+
+ it = xcalloc(1, sizeof(*it));
+ it->key = xmemdupz(line, eof-line);
+ *tail = it;
+ tail = &it->next;
+ if (eof + 1 < next)
+ strbuf_add(&buf, eof + 1, next - (eof + 1));
+ }
+ if (it)
+ it->value = strbuf_detach(&buf, &it->len);
+ return extra;
+}
+
+void free_commit_extra_headers(struct commit_extra_header *extra)
+{
+ while (extra) {
+ struct commit_extra_header *next = extra->next;
+ free(extra->key);
+ free(extra->value);
+ free(extra);
+ extra = next;
+ }
+}
+
++int commit_tree(const struct strbuf *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author)
+{
+ struct commit_extra_header *extra = NULL, **tail = &extra;
+ int result;
+
+ append_merge_tag_headers(parents, &tail);
+ result = commit_tree_extended(msg, tree, parents, ret, author, extra);
+ free_commit_extra_headers(extra);
+ return result;
+}
+
static const char commit_utf8_warn[] =
"Warning: commit message does not conform to UTF-8.\n"
"You may want to amend it after fixing the message, or set the config\n"
"variable i18n.commitencoding to the encoding your project uses.\n";
- int commit_tree_extended(const char *msg, unsigned char *tree,
-int commit_tree(const struct strbuf *msg, unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
- const char *author)
++int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author, struct commit_extra_header *extra)
{
int result;
int encoding_is_utf8;
assert_sha1_type(tree, OBJ_TREE);
+ if (memchr(msg->buf, '\0', msg->len))
+ return error("a NUL byte in commit log message not allowed.");
+
/* Not having i18n.commitencoding is the same as having utf-8 */
encoding_is_utf8 = is_encoding_utf8(git_commit_encoding);
*/
while (parents) {
struct commit_list *next = parents->next;
+ struct commit *parent = parents->item;
+
strbuf_addf(&buffer, "parent %s\n",
- sha1_to_hex(parents->item->object.sha1));
+ sha1_to_hex(parent->object.sha1));
free(parents);
parents = next;
}
strbuf_addf(&buffer, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME));
if (!encoding_is_utf8)
strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding);
+
+ while (extra) {
+ add_extra_header(&buffer, extra);
+ extra = extra->next;
+ }
strbuf_addch(&buffer, '\n');
/* And add the comment */
- strbuf_addstr(&buffer, msg);
+ strbuf_addbuf(&buffer, msg);
/* And check the encoding */
if (encoding_is_utf8 && !is_utf8(buffer.buf))
strbuf_release(&buffer);
return result;
}
+
+struct commit *get_merge_parent(const char *name)
+{
+ struct object *obj;
+ struct commit *commit;
+ unsigned char sha1[20];
+ if (get_sha1(name, sha1))
+ return NULL;
+ obj = parse_object(sha1);
+ commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
+ if (commit && !commit->util) {
+ struct merge_remote_desc *desc;
+ desc = xmalloc(sizeof(*desc));
+ desc->obj = obj;
+ desc->name = strdup(name);
+ commit->util = desc;
+ }
+ return commit;
+}
diff --combined commit.h
index 3745f120994cb6876e1ccc1bfc5e07c6cc3fc5c9,5cf46b2e0a5485757a23c86ed38b4d2de6c1342a..4df397865abe7161a9f16e3177e3b486bf8434ca
+++ b/commit.h
struct commit_list *reduce_heads(struct commit_list *heads);
- extern int commit_tree(const char *msg, unsigned char *tree,
+struct commit_extra_header {
+ struct commit_extra_header *next;
+ char *key;
+ char *value;
+ size_t len;
+};
+
+extern void append_merge_tag_headers(struct commit_list *parents,
+ struct commit_extra_header ***tail);
+
- struct commit_list *parents, unsigned char *ret,
- const char *author);
+ extern int commit_tree(const struct strbuf *msg, unsigned char *tree,
- extern int commit_tree_extended(const char *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author);
+
++extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author,
+ struct commit_extra_header *);
+
+extern struct commit_extra_header *read_commit_extra_headers(struct commit *);
+extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len);
+
+extern void free_commit_extra_headers(struct commit_extra_header *extra);
+
+struct merge_remote_desc {
+ struct object *obj; /* the named object, could be a tag */
+ const char *name;
+};
+#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
+
+/*
+ * Given "name" from the command line to merge, find the commit object
+ * and return it, while storing merge_remote_desc in its ->util field,
+ * to allow callers to tell if we are told to merge a tag.
+ */
+struct commit *get_merge_parent(const char *name);
#endif /* COMMIT_H */
diff --combined notes-merge.c
index 2de27af751476a62dc9b0afe48eb360f83a0702b,b5a36ac1587f00c21001840c5bc001b011aed554..0d38a1b17d8399c7acf6355d598f0a50d0ec1d3b
--- 1/notes-merge.c
--- 2/notes-merge.c
+++ b/notes-merge.c
}
void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
- const char *msg, unsigned char *result_sha1)
+ const struct strbuf *msg, unsigned char *result_sha1)
{
unsigned char tree_sha1[20];
o->local_ref, o->remote_ref);
/* Dereference o->local_ref into local_sha1 */
- if (!resolve_ref(o->local_ref, local_sha1, 0, NULL))
+ if (read_ref_full(o->local_ref, local_sha1, 0, NULL))
die("Failed to resolve local notes ref '%s'", o->local_ref);
else if (!check_refname_format(o->local_ref, 0) &&
is_null_sha1(local_sha1))
struct commit_list *parents = NULL;
commit_list_insert(remote, &parents); /* LIFO order */
commit_list_insert(local, &parents);
- create_notes_commit(local_tree, parents, o->commit_msg.buf,
+ create_notes_commit(local_tree, parents, &o->commit_msg,
result_sha1);
}
struct dir_struct dir;
char *path = xstrdup(git_path(NOTES_MERGE_WORKTREE "/"));
int path_len = strlen(path), i;
- const char *msg = strstr(partial_commit->buffer, "\n\n");
+ char *msg = strstr(partial_commit->buffer, "\n\n");
+ struct strbuf sb_msg = STRBUF_INIT;
if (o->verbosity >= 3)
printf("Committing notes in notes merge worktree at %.*s\n",
sha1_to_hex(obj_sha1), sha1_to_hex(blob_sha1));
}
- create_notes_commit(partial_tree, partial_commit->parents, msg,
+ strbuf_attach(&sb_msg, msg, strlen(msg), strlen(msg) + 1);
+ create_notes_commit(partial_tree, partial_commit->parents, &sb_msg,
result_sha1);
if (o->verbosity >= 4)
printf("Finalized notes merge commit: %s\n",