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-rw-r--r--builtin/clone.c8
-rw-r--r--builtin/commit-graph.c5
-rw-r--r--builtin/commit.c42
-rw-r--r--builtin/fmt-merge-msg.c11
-rw-r--r--builtin/init-db.c79
-rw-r--r--builtin/pack-objects.c2
-rw-r--r--builtin/rebase.c2
-rw-r--r--builtin/rev-parse.c12
-rw-r--r--builtin/submodule--helper.c8
-rw-r--r--builtin/tag.c5
-rw-r--r--builtin/worktree.c9
11 files changed, 132 insertions, 51 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index d28b4d4bc5..d8b1f413aa 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -420,6 +420,7 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
struct dir_iterator *iter;
int iter_status;
unsigned int flags;
+ struct strbuf realpath = STRBUF_INIT;
mkdir_if_missing(dest->buf, 0777);
@@ -454,7 +455,8 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
- if (!link(real_path(src->buf), dest->buf))
+ strbuf_realpath(&realpath, src->buf, 1);
+ if (!link(realpath.buf, dest->buf))
continue;
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
@@ -468,6 +470,8 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
strbuf_setlen(src, src_len);
die(_("failed to iterate over '%s'"), src->buf);
}
+
+ strbuf_release(&realpath);
}
static void clone_local(const char *src_repo, const char *dest_repo)
@@ -1105,7 +1109,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
}
- init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET);
+ init_db(git_dir, real_git_dir, option_template, GIT_HASH_UNKNOWN, INIT_DB_QUIET);
if (real_git_dir)
git_dir = real_git_dir;
diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c
index 4a70b33fb5..d1ab6625f6 100644
--- a/builtin/commit-graph.c
+++ b/builtin/commit-graph.c
@@ -39,14 +39,17 @@ static struct object_directory *find_odb(struct repository *r,
{
struct object_directory *odb;
char *obj_dir_real = real_pathdup(obj_dir, 1);
+ struct strbuf odb_path_real = STRBUF_INIT;
prepare_alt_odb(r);
for (odb = r->objects->odb; odb; odb = odb->next) {
- if (!strcmp(obj_dir_real, real_path(odb->path)))
+ strbuf_realpath(&odb_path_real, odb->path, 1);
+ if (!strcmp(obj_dir_real, odb_path_real.buf))
break;
}
free(obj_dir_real);
+ strbuf_release(&odb_path_real);
if (!odb)
die(_("could not find object directory matching %s"), obj_dir);
diff --git a/builtin/commit.c b/builtin/commit.c
index 7ba33a3bec..d3e7781e65 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -59,6 +59,9 @@ N_("The previous cherry-pick is now empty, possibly due to conflict resolution.\
" git commit --allow-empty\n"
"\n");
+static const char empty_rebase_pick_advice[] =
+N_("Otherwise, please use 'git rebase --skip'\n");
+
static const char empty_cherry_pick_advice_single[] =
N_("Otherwise, please use 'git cherry-pick --skip'\n");
@@ -122,7 +125,6 @@ static enum commit_msg_cleanup_mode cleanup_mode;
static const char *cleanup_arg;
static enum commit_whence whence;
-static int sequencer_in_use;
static int use_editor = 1, include_status = 1;
static int have_option_m;
static struct strbuf message = STRBUF_INIT;
@@ -179,12 +181,7 @@ static void determine_whence(struct wt_status *s)
{
if (file_exists(git_path_merge_head(the_repository)))
whence = FROM_MERGE;
- else if (file_exists(git_path_cherry_pick_head(the_repository))) {
- whence = FROM_CHERRY_PICK;
- if (file_exists(git_path_seq_dir()))
- sequencer_in_use = 1;
- }
- else
+ else if (!sequencer_determine_whence(the_repository, &whence))
whence = FROM_COMMIT;
if (s)
s->whence = whence;
@@ -477,8 +474,10 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
if (whence != FROM_COMMIT) {
if (whence == FROM_MERGE)
die(_("cannot do a partial commit during a merge."));
- else if (whence == FROM_CHERRY_PICK)
+ else if (is_from_cherry_pick(whence))
die(_("cannot do a partial commit during a cherry-pick."));
+ else if (is_from_rebase(whence))
+ die(_("cannot do a partial commit during a rebase."));
}
if (list_paths(&partial, !current_head ? NULL : "HEAD", &pathspec))
@@ -795,7 +794,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
*/
else if (whence == FROM_MERGE)
hook_arg1 = "merge";
- else if (whence == FROM_CHERRY_PICK) {
+ else if (is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) {
hook_arg1 = "commit";
hook_arg2 = "CHERRY_PICK_HEAD";
}
@@ -973,12 +972,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
run_status(stdout, index_file, prefix, 0, s);
if (amend)
fputs(_(empty_amend_advice), stderr);
- else if (whence == FROM_CHERRY_PICK) {
+ else if (is_from_cherry_pick(whence) ||
+ whence == FROM_REBASE_PICK) {
fputs(_(empty_cherry_pick_advice), stderr);
- if (!sequencer_in_use)
+ if (whence == FROM_CHERRY_PICK_SINGLE)
fputs(_(empty_cherry_pick_advice_single), stderr);
- else
+ else if (whence == FROM_CHERRY_PICK_MULTI)
fputs(_(empty_cherry_pick_advice_multi), stderr);
+ else
+ fputs(_(empty_rebase_pick_advice), stderr);
}
return 0;
}
@@ -1181,8 +1183,10 @@ static int parse_and_validate_options(int argc, const char *argv[],
if (amend && whence != FROM_COMMIT) {
if (whence == FROM_MERGE)
die(_("You are in the middle of a merge -- cannot amend."));
- else if (whence == FROM_CHERRY_PICK)
+ else if (is_from_cherry_pick(whence))
die(_("You are in the middle of a cherry-pick -- cannot amend."));
+ else if (whence == FROM_REBASE_PICK)
+ die(_("You are in the middle of a rebase -- cannot amend."));
}
if (fixup_message && squash_message)
die(_("Options --squash and --fixup cannot be used together"));
@@ -1204,7 +1208,8 @@ static int parse_and_validate_options(int argc, const char *argv[],
use_message = edit_message;
if (amend && !use_message && !fixup_message)
use_message = "HEAD";
- if (!use_message && whence != FROM_CHERRY_PICK && renew_authorship)
+ if (!use_message && !is_from_cherry_pick(whence) &&
+ !is_from_rebase(whence) && renew_authorship)
die(_("--reset-author can be used only with -C, -c or --amend."));
if (use_message) {
use_message_buffer = read_commit_message(use_message);
@@ -1213,7 +1218,8 @@ static int parse_and_validate_options(int argc, const char *argv[],
author_message_buffer = use_message_buffer;
}
}
- if (whence == FROM_CHERRY_PICK && !renew_authorship) {
+ if ((is_from_cherry_pick(whence) || whence == FROM_REBASE_PICK) &&
+ !renew_authorship) {
author_message = "CHERRY_PICK_HEAD";
author_message_buffer = read_commit_message(author_message);
}
@@ -1631,8 +1637,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
reduce_heads_replace(&parents);
} else {
if (!reflog_msg)
- reflog_msg = (whence == FROM_CHERRY_PICK)
+ reflog_msg = is_from_cherry_pick(whence)
? "commit (cherry-pick)"
+ : is_from_rebase(whence)
+ ? "commit (rebase)"
: "commit";
commit_list_insert(current_head, &parents);
}
@@ -1659,7 +1667,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
}
if (amend) {
- const char *exclude_gpgsig[2] = { "gpgsig", NULL };
+ const char *exclude_gpgsig[3] = { "gpgsig", "gpgsig-sha256", NULL };
extra = read_commit_extra_headers(current_head, exclude_gpgsig);
} else {
struct commit_extra_header **tail = &extra;
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 736f666f64..172dfbd852 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -494,6 +494,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
enum object_type type;
unsigned long size, len;
char *buf = read_object_file(oid, &type, &size);
+ struct signature_check sigc = { 0 };
struct strbuf sig = STRBUF_INIT;
if (!buf || type != OBJ_TAG)
@@ -502,10 +503,12 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
if (size == len)
; /* merely annotated */
- else if (verify_signed_buffer(buf, len, buf + len, size - len, &sig, NULL)) {
- if (!sig.len)
- strbuf_addstr(&sig, "gpg verification failed.\n");
- }
+ else if (check_signature(buf, len, buf + len, size - len, &sigc) &&
+ !sigc.gpg_output)
+ strbuf_addstr(&sig, "gpg verification failed.\n");
+ else
+ strbuf_addstr(&sig, sigc.gpg_output);
+ signature_check_clear(&sigc);
if (!tag_number++) {
fmt_tag_signature(&tagbuf, &sig, buf, len);
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 944ec77fe1..0b7222e718 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -20,6 +20,8 @@
#define TEST_FILEMODE 1
#endif
+#define GIT_DEFAULT_HASH_ENVIRONMENT "GIT_DEFAULT_HASH"
+
static int init_is_bare_repository = 0;
static int init_shared_repository = -1;
static const char *init_db_template_dir;
@@ -176,13 +178,36 @@ static int needs_work_tree_config(const char *git_dir, const char *work_tree)
return 1;
}
+void initialize_repository_version(int hash_algo)
+{
+ char repo_version_string[10];
+ int repo_version = GIT_REPO_VERSION;
+
+#ifndef ENABLE_SHA256
+ if (hash_algo != GIT_HASH_SHA1)
+ die(_("The hash algorithm %s is not supported in this build."), hash_algos[hash_algo].name);
+#endif
+
+ if (hash_algo != GIT_HASH_SHA1)
+ repo_version = GIT_REPO_VERSION_READ;
+
+ /* This forces creation of new config file */
+ xsnprintf(repo_version_string, sizeof(repo_version_string),
+ "%d", repo_version);
+ git_config_set("core.repositoryformatversion", repo_version_string);
+
+ if (hash_algo != GIT_HASH_SHA1)
+ git_config_set("extensions.objectformat",
+ hash_algos[hash_algo].name);
+}
+
static int create_default_files(const char *template_path,
- const char *original_git_dir)
+ const char *original_git_dir,
+ const struct repository_format *fmt)
{
struct stat st1;
struct strbuf buf = STRBUF_INIT;
char *path;
- char repo_version_string[10];
char junk[2];
int reinit;
int filemode;
@@ -244,10 +269,7 @@ static int create_default_files(const char *template_path,
exit(1);
}
- /* This forces creation of new config file */
- xsnprintf(repo_version_string, sizeof(repo_version_string),
- "%d", GIT_REPO_VERSION);
- git_config_set("core.repositoryformatversion", repo_version_string);
+ initialize_repository_version(fmt->hash_algo);
/* Check filemode trustability */
path = git_path_buf(&buf, "config");
@@ -340,12 +362,33 @@ static void separate_git_dir(const char *git_dir, const char *git_link)
write_file(git_link, "gitdir: %s", git_dir);
}
+static void validate_hash_algorithm(struct repository_format *repo_fmt, int hash)
+{
+ const char *env = getenv(GIT_DEFAULT_HASH_ENVIRONMENT);
+ /*
+ * If we already have an initialized repo, don't allow the user to
+ * specify a different algorithm, as that could cause corruption.
+ * Otherwise, if the user has specified one on the command line, use it.
+ */
+ if (repo_fmt->version >= 0 && hash != GIT_HASH_UNKNOWN && hash != repo_fmt->hash_algo)
+ die(_("attempt to reinitialize repository with different hash"));
+ else if (hash != GIT_HASH_UNKNOWN)
+ repo_fmt->hash_algo = hash;
+ else if (env) {
+ int env_algo = hash_algo_by_name(env);
+ if (env_algo == GIT_HASH_UNKNOWN)
+ die(_("unknown hash algorithm '%s'"), env);
+ repo_fmt->hash_algo = env_algo;
+ }
+}
+
int init_db(const char *git_dir, const char *real_git_dir,
- const char *template_dir, unsigned int flags)
+ const char *template_dir, int hash, unsigned int flags)
{
int reinit;
int exist_ok = flags & INIT_DB_EXIST_OK;
char *original_git_dir = real_pathdup(git_dir, 1);
+ struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT;
if (real_git_dir) {
struct stat st;
@@ -356,12 +399,12 @@ int init_db(const char *git_dir, const char *real_git_dir,
if (!exist_ok && !stat(real_git_dir, &st))
die(_("%s already exists"), real_git_dir);
- set_git_dir(real_path(real_git_dir));
+ set_git_dir(real_git_dir, 1);
git_dir = get_git_dir();
separate_git_dir(git_dir, original_git_dir);
}
else {
- set_git_dir(real_path(git_dir));
+ set_git_dir(git_dir, 1);
git_dir = get_git_dir();
}
startup_info->have_repository = 1;
@@ -378,9 +421,11 @@ int init_db(const char *git_dir, const char *real_git_dir,
* config file, so this will not fail. What we are catching
* is an attempt to reinitialize new repository with an old tool.
*/
- check_repository_format();
+ check_repository_format(&repo_fmt);
- reinit = create_default_files(template_dir, original_git_dir);
+ validate_hash_algorithm(&repo_fmt, hash);
+
+ reinit = create_default_files(template_dir, original_git_dir, &repo_fmt);
create_object_directory();
@@ -482,6 +527,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
const char *work_tree;
const char *template_dir = NULL;
unsigned int flags = 0;
+ const char *object_format = NULL;
+ int hash_algo = GIT_HASH_UNKNOWN;
const struct option init_db_options[] = {
OPT_STRING(0, "template", &template_dir, N_("template-directory"),
N_("directory from which templates will be used")),
@@ -494,6 +541,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
OPT_BIT('q', "quiet", &flags, N_("be quiet"), INIT_DB_QUIET),
OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
N_("separate git dir from working tree")),
+ OPT_STRING(0, "object-format", &object_format, N_("hash"),
+ N_("specify the hash algorithm to use")),
OPT_END()
};
@@ -546,6 +595,12 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
free(cwd);
}
+ if (object_format) {
+ hash_algo = hash_algo_by_name(object_format);
+ if (hash_algo == GIT_HASH_UNKNOWN)
+ die(_("unknown hash algorithm '%s'"), object_format);
+ }
+
if (init_shared_repository != -1)
set_shared_repository(init_shared_repository);
@@ -597,5 +652,5 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
UNLEAK(work_tree);
flags |= INIT_DB_EXIST_OK;
- return init_db(git_dir, real_git_dir, template_dir, flags);
+ return init_db(git_dir, real_git_dir, template_dir, hash_algo, flags);
}
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 02aa6ee480..4c2bb170c6 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -880,7 +880,7 @@ static void write_reused_pack_one(size_t pos, struct hashfile *out,
len = encode_in_pack_object_header(header, sizeof(header),
OBJ_REF_DELTA, size);
hashwrite(out, header, len);
- hashwrite(out, base_oid.hash, 20);
+ hashwrite(out, base_oid.hash, the_hash_algo->rawsz);
copy_pack_data(out, reuse_packfile, w_curs, cur, next - cur);
return;
}
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 903267fff9..27a07d4e78 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1544,7 +1544,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
"ignoring them"),
REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN),
OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
- OPT_CALLBACK_F(0, "empty", &options, N_("{drop,keep,ask}"),
+ OPT_CALLBACK_F(0, "empty", &options, "{drop,keep,ask}",
N_("how to handle commits that become empty"),
PARSE_OPT_NONEG, parse_opt_empty),
{ OPTION_CALLBACK, 'k', "keep-empty", &options, NULL,
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 7a00da8203..06056434ed 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -808,9 +808,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(arg, "--show-superproject-working-tree")) {
- const char *superproject = get_superproject_working_tree();
- if (superproject)
- puts(superproject);
+ struct strbuf superproject = STRBUF_INIT;
+ if (get_superproject_working_tree(&superproject))
+ puts(superproject.buf);
+ strbuf_release(&superproject);
continue;
}
if (!strcmp(arg, "--show-prefix")) {
@@ -857,7 +858,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
if (!gitdir && !prefix)
gitdir = ".git";
if (gitdir) {
- puts(real_path(gitdir));
+ struct strbuf realpath = STRBUF_INIT;
+ strbuf_realpath(&realpath, gitdir, 1);
+ puts(realpath.buf);
+ strbuf_release(&realpath);
continue;
}
}
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 86a608eec1..1a4b391c88 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -444,19 +444,19 @@ static void for_each_listed_submodule(const struct module_list *list,
fn(list->entries[i], cb_data);
}
-struct cb_foreach {
+struct foreach_cb {
int argc;
const char **argv;
const char *prefix;
int quiet;
int recursive;
};
-#define CB_FOREACH_INIT { 0 }
+#define FOREACH_CB_INIT { 0 }
static void runcommand_in_submodule_cb(const struct cache_entry *list_item,
void *cb_data)
{
- struct cb_foreach *info = cb_data;
+ struct foreach_cb *info = cb_data;
const char *path = list_item->name;
const struct object_id *ce_oid = &list_item->oid;
@@ -557,7 +557,7 @@ cleanup:
static int module_foreach(int argc, const char **argv, const char *prefix)
{
- struct cb_foreach info = CB_FOREACH_INIT;
+ struct foreach_cb info = FOREACH_CB_INIT;
struct pathspec pathspec;
struct module_list list = MODULE_LIST_INIT;
diff --git a/builtin/tag.c b/builtin/tag.c
index e0a4c25382..cc30d346f5 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -231,8 +231,9 @@ static void create_tag(const struct object_id *object, const char *object_ref,
if (type <= OBJ_NONE)
die(_("bad object type."));
- if (type == OBJ_TAG && advice_nested_tag)
- advise(_(message_advice_nested_tag), tag, object_ref);
+ if (type == OBJ_TAG)
+ advise_if_enabled(ADVICE_NESTED_TAG, _(message_advice_nested_tag),
+ tag, object_ref);
strbuf_addf(&header,
"object %s\n"
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 24f22800f3..d99db35668 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -258,7 +258,7 @@ static int add_worktree(const char *path, const char *refname,
const struct add_opts *opts)
{
struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT;
- struct strbuf sb = STRBUF_INIT;
+ struct strbuf sb = STRBUF_INIT, realpath = STRBUF_INIT;
const char *name;
struct child_process cp = CHILD_PROCESS_INIT;
struct argv_array child_env = ARGV_ARRAY_INIT;
@@ -330,9 +330,11 @@ static int add_worktree(const char *path, const char *refname,
strbuf_reset(&sb);
strbuf_addf(&sb, "%s/gitdir", sb_repo.buf);
- write_file(sb.buf, "%s", real_path(sb_git.buf));
+ strbuf_realpath(&realpath, sb_git.buf, 1);
+ write_file(sb.buf, "%s", realpath.buf);
+ strbuf_realpath(&realpath, get_git_common_dir(), 1);
write_file(sb_git.buf, "gitdir: %s/worktrees/%s",
- real_path(get_git_common_dir()), name);
+ realpath.buf, name);
/*
* This is to keep resolve_ref() happy. We need a valid HEAD
* or is_git_directory() will reject the directory. Any value which
@@ -418,6 +420,7 @@ done:
strbuf_release(&sb_repo);
strbuf_release(&sb_git);
strbuf_release(&sb_name);
+ strbuf_release(&realpath);
return ret;
}