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Merge branch 'sb/clone-origin'

"git clone" learned clone.defaultremotename configuration variable
to customize what nickname to use to call the remote the repository
was cloned from.

* sb/clone-origin:
  clone: allow configurable default for `-o`/`--origin`
  clone: read new remote name from remote_name instead of option_origin
  clone: validate --origin option before use
  refs: consolidate remote name validation
  remote: add tests for add and rename with invalid names
  clone: use more conventional config/option layering
  clone: add tests for --template and some disallowed option pairs
This commit is contained in:
Junio C Hamano 2020-10-27 15:09:49 -07:00
commit 40696c6727
9 changed files with 158 additions and 23 deletions

View File

@ -334,6 +334,8 @@ include::config/checkout.txt[]
include::config/clean.txt[]
include::config/clone.txt[]
include::config/color.txt[]
include::config/column.txt[]

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@ -0,0 +1,4 @@
clone.defaultRemoteName::
The name of the remote to create when cloning a repository. Defaults to
`origin`, and can be overridden by passing the `--origin` command-line
option to linkgit:git-clone[1].

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@ -183,8 +183,9 @@ objects from the source repository into a pack in the cloned repository.
-o <name>::
--origin <name>::
Instead of using the remote name `origin` to keep track
of the upstream repository, use `<name>`.
Instead of using the remote name `origin` to keep track of the upstream
repository, use `<name>`. Overrides `clone.defaultRemoteName` from the
config.
-b <name>::
--branch <name>::

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@ -53,6 +53,7 @@ static int option_shallow_submodules;
static int deepen;
static char *option_template, *option_depth, *option_since;
static char *option_origin = NULL;
static char *remote_name = NULL;
static char *option_branch = NULL;
static struct string_list option_not = STRING_LIST_INIT_NODUP;
static const char *real_git_dir;
@ -721,7 +722,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
if (!option_bare) {
update_ref(msg, "HEAD", &our->old_oid, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
install_branch_config(0, head, option_origin, our->name);
install_branch_config(0, head, remote_name, our->name);
}
} else if (our) {
struct commit *c = lookup_commit_reference(the_repository,
@ -851,8 +852,26 @@ static int checkout(int submodule_progress)
return err;
}
static int git_clone_config(const char *k, const char *v, void *cb)
{
if (!strcmp(k, "clone.defaultremotename")) {
free(remote_name);
remote_name = xstrdup(v);
}
return git_default_config(k, v, cb);
}
static int write_one_config(const char *key, const char *value, void *data)
{
/*
* give git_clone_config a chance to write config values back to the
* environment, since git_config_set_multivar_gently only deals with
* config-file writes
*/
int apply_failed = git_clone_config(key, value, data);
if (apply_failed)
return apply_failed;
return git_config_set_multivar_gently(key,
value ? value : "true",
CONFIG_REGEX_NONE, 0);
@ -905,12 +924,12 @@ static void write_refspec_config(const char *src_ref_prefix,
}
/* Configure the remote */
if (value.len) {
strbuf_addf(&key, "remote.%s.fetch", option_origin);
strbuf_addf(&key, "remote.%s.fetch", remote_name);
git_config_set_multivar(key.buf, value.buf, "^$", 0);
strbuf_reset(&key);
if (option_mirror) {
strbuf_addf(&key, "remote.%s.mirror", option_origin);
strbuf_addf(&key, "remote.%s.mirror", remote_name);
git_config_set(key.buf, "true");
strbuf_reset(&key);
}
@ -963,6 +982,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
struct strvec ref_prefixes = STRVEC_INIT;
packet_trace_identity("clone");
git_config(git_clone_config, NULL);
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
@ -991,9 +1013,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
option_no_checkout = 1;
}
if (!option_origin)
option_origin = "origin";
repo_name = argv[0];
path = get_repo_path(repo_name, &is_bundle);
@ -1124,9 +1143,30 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (real_git_dir)
git_dir = real_git_dir;
/*
* additional config can be injected with -c, make sure it's included
* after init_db, which clears the entire config environment.
*/
write_config(&option_config);
git_config(git_default_config, NULL);
/*
* re-read config after init_db and write_config to pick up any config
* injected by --template and --config, respectively.
*/
git_config(git_clone_config, NULL);
/*
* apply the remote name provided by --origin only after this second
* call to git_config, to ensure it overrides all config-based values.
*/
if (option_origin != NULL)
remote_name = xstrdup(option_origin);
if (remote_name == NULL)
remote_name = xstrdup("origin");
if (!valid_remote_name(remote_name))
die(_("'%s' is not a valid remote name"), remote_name);
if (option_bare) {
if (option_mirror)
@ -1135,15 +1175,15 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_config_set("core.bare", "true");
} else {
strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
strbuf_addf(&branch_top, "refs/remotes/%s/", remote_name);
}
strbuf_addf(&key, "remote.%s.url", option_origin);
strbuf_addf(&key, "remote.%s.url", remote_name);
git_config_set(key.buf, repo);
strbuf_reset(&key);
if (option_no_tags) {
strbuf_addf(&key, "remote.%s.tagOpt", option_origin);
strbuf_addf(&key, "remote.%s.tagOpt", remote_name);
git_config_set(key.buf, "--no-tags");
strbuf_reset(&key);
}
@ -1154,7 +1194,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_sparse_checkout && git_sparse_checkout_init(dir))
return 1;
remote = remote_get(option_origin);
remote = remote_get(remote_name);
refspec_appendf(&remote->fetch, "+%s*:%s*", src_ref_prefix,
branch_top.buf);
@ -1266,7 +1306,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (!our_head_points_at)
die(_("Remote branch %s not found in upstream %s"),
option_branch, option_origin);
option_branch, remote_name);
}
else
our_head_points_at = remote_head_points_at;
@ -1274,7 +1314,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
else {
if (option_branch)
die(_("Remote branch %s not found in upstream %s"),
option_branch, option_origin);
option_branch, remote_name);
warning(_("You appear to have cloned an empty repository."));
mapped_refs = NULL;
@ -1286,7 +1326,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
const char *branch = git_default_branch_name();
char *ref = xstrfmt("refs/heads/%s", branch);
install_branch_config(0, branch, option_origin, ref);
install_branch_config(0, branch, remote_name, ref);
free(ref);
}
}
@ -1295,7 +1335,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
remote_head_points_at, &branch_top);
if (filter_options.choice)
partial_clone_register(option_origin, &filter_options);
partial_clone_register(remote_name, &filter_options);
if (is_local)
clone_local(path, git_dir);
@ -1327,6 +1367,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
junk_mode = JUNK_LEAVE_REPO;
err = checkout(submodule_progress);
free(remote_name);
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);
strbuf_release(&key);

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@ -194,8 +194,7 @@ static int add(int argc, const char **argv)
if (remote_is_configured(remote, 1))
die(_("remote %s already exists."), name);
strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
if (!valid_fetch_refspec(buf2.buf))
if (!valid_remote_name(name))
die(_("'%s' is not a valid remote name"), name);
strbuf_addf(&buf, "remote.%s.url", name);
@ -696,11 +695,9 @@ static int mv(int argc, const char **argv)
if (remote_is_configured(newremote, 1))
die(_("remote %s already exists."), rename.new_name);
strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new_name);
if (!valid_fetch_refspec(buf.buf))
if (!valid_remote_name(rename.new_name))
die(_("'%s' is not a valid remote name"), rename.new_name);
strbuf_reset(&buf);
strbuf_addf(&buf, "remote.%s", rename.old_name);
strbuf_addf(&buf2, "remote.%s", rename.new_name);
if (git_config_rename_section(buf.buf, buf2.buf) < 1)

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@ -245,6 +245,16 @@ int valid_fetch_refspec(const char *fetch_refspec_str)
return ret;
}
int valid_remote_name(const char *name)
{
int result;
struct strbuf refspec = STRBUF_INIT;
strbuf_addf(&refspec, "refs/heads/test:refs/remotes/%s/test", name);
result = valid_fetch_refspec(refspec.buf);
strbuf_release(&refspec);
return result;
}
void refspec_ref_prefixes(const struct refspec *rs,
struct strvec *ref_prefixes)
{

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@ -64,6 +64,7 @@ void refspec_appendn(struct refspec *rs, const char **refspecs, int nr);
void refspec_clear(struct refspec *rs);
int valid_fetch_refspec(const char *refspec);
int valid_remote_name(const char *name);
struct strvec;
/*

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@ -179,6 +179,13 @@ test_expect_success 'rename errors out early when deleting non-existent branch'
)
'
test_expect_success 'rename errors out early when when new name is invalid' '
test_config remote.foo.vcs bar &&
echo "fatal: '\''invalid...name'\'' is not a valid remote name" >expect &&
test_must_fail git remote rename foo invalid...name 2>actual &&
test_i18ncmp expect actual
'
test_expect_success 'add existing foreign_vcs remote' '
test_config remote.foo.vcs bar &&
echo "fatal: remote foo already exists." >expect &&
@ -194,6 +201,12 @@ test_expect_success 'add existing foreign_vcs remote' '
test_i18ncmp expect actual
'
test_expect_success 'add invalid foreign_vcs remote' '
echo "fatal: '\''invalid...name'\'' is not a valid remote name" >expect &&
test_must_fail git remote add invalid...name bar 2>actual &&
test_i18ncmp expect actual
'
cat >test/expect <<EOF
* remote origin
Fetch URL: $(pwd)/one

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@ -15,7 +15,73 @@ test_expect_success 'setup' '
test_expect_success 'clone -o' '
git clone -o foo parent clone-o &&
(cd clone-o && git rev-parse --verify refs/remotes/foo/master)
git -C clone-o rev-parse --verify refs/remotes/foo/master
'
test_expect_success 'rejects invalid -o/--origin' '
test_must_fail git clone -o "bad...name" parent clone-bad-name 2>err &&
test_i18ngrep "'\''bad...name'\'' is not a valid remote name" err
'
test_expect_success 'disallows --bare with --origin' '
test_must_fail git clone -o foo --bare parent clone-bare-o 2>err &&
test_debug "cat err" &&
test_i18ngrep -e "--bare and --origin foo options are incompatible" err
'
test_expect_success 'disallows --bare with --separate-git-dir' '
test_must_fail git clone --bare --separate-git-dir dot-git-destiation parent clone-bare-sgd 2>err &&
test_debug "cat err" &&
test_i18ngrep -e "--bare and --separate-git-dir are incompatible" err
'
test_expect_success 'uses "origin" for default remote name' '
git clone parent clone-default-origin &&
git -C clone-default-origin rev-parse --verify refs/remotes/origin/master
'
test_expect_success 'prefers --template config over normal config' '
template="$TRASH_DIRECTORY/template-with-config" &&
mkdir "$template" &&
git config --file "$template/config" foo.bar from_template &&
test_config_global foo.bar from_global &&
git clone "--template=$template" parent clone-template-config &&
test "$(git -C clone-template-config config --local foo.bar)" = "from_template"
'
test_expect_success 'prefers -c config over --template config' '
template="$TRASH_DIRECTORY/template-with-ignored-config" &&
mkdir "$template" &&
git config --file "$template/config" foo.bar from_template &&
git clone "--template=$template" -c foo.bar=inline parent clone-template-inline-config &&
test "$(git -C clone-template-inline-config config --local foo.bar)" = "inline"
'
test_expect_success 'prefers config "clone.defaultRemoteName" over default' '
test_config_global clone.defaultRemoteName from_config &&
git clone parent clone-config-origin &&
git -C clone-config-origin rev-parse --verify refs/remotes/from_config/master
'
test_expect_success 'prefers --origin over -c config' '
git clone -c clone.defaultRemoteName=inline --origin from_option parent clone-o-and-inline-config &&
git -C clone-o-and-inline-config rev-parse --verify refs/remotes/from_option/master
'