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authorJunio C Hamano <gitster@pobox.com>2008-11-12 22:00:25 -0800
committerJunio C Hamano <gitster@pobox.com>2008-11-12 22:00:25 -0800
commita5b2d4ac24ef18cf8c628e258bef8a20d9bf4b2b (patch)
tree01b2cd87612e8dab1a3208627d8b3dd03ba4a599
parent902a4a252a05c492824be693d5ed1888961756f9 (diff)
parent74443f185ed91f3388b0e45838262eb3ec8338aa (diff)
downloadgit-a5b2d4ac24ef18cf8c628e258bef8a20d9bf4b2b.tar.gz
git-a5b2d4ac24ef18cf8c628e258bef8a20d9bf4b2b.tar.xz
Merge branch 'mv/remote-rename'
* mv/remote-rename: git-remote: document the migration feature of the rename subcommand git-remote rename: migrate from remotes/ and branches/ remote: add a new 'origin' variable to the struct Implement git remote rename
-rw-r--r--Documentation/git-remote.txt10
-rw-r--r--builtin-remote.c188
-rw-r--r--remote.c3
-rw-r--r--remote.h7
-rwxr-xr-xt/t5505-remote.sh48
5 files changed, 256 insertions, 0 deletions
diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt
index bb99810ec..fad983e29 100644
--- a/Documentation/git-remote.txt
+++ b/Documentation/git-remote.txt
@@ -11,6 +11,7 @@ SYNOPSIS
[verse]
'git remote' [-v | --verbose]
'git remote add' [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>
+'git remote rename' <old> <new>
'git remote rm' <name>
'git remote show' [-n] <name>
'git remote prune' [-n | --dry-run] <name>
@@ -61,6 +62,15 @@ only makes sense in bare repositories. If a remote uses mirror
mode, furthermore, `git push` will always behave as if `\--mirror`
was passed.
+'rename'::
+
+Rename the remote named <old> to <new>. All remote tracking branches and
+configuration settings for the remote are updated.
++
+In case <old> and <new> are the same, and <old> is a file under
+`$GIT_DIR/remotes` or `$GIT_DIR/branches`, the remote is converted to
+the configuration file format.
+
'rm'::
Remove the remote named <name>. All remote tracking branches and
diff --git a/builtin-remote.c b/builtin-remote.c
index 47deb0a80..71696b50d 100644
--- a/builtin-remote.c
+++ b/builtin-remote.c
@@ -10,6 +10,7 @@
static const char * const builtin_remote_usage[] = {
"git remote",
"git remote add <name> <url>",
+ "git remote rename <old> <new>",
"git remote rm <name>",
"git remote show <name>",
"git remote prune <name>",
@@ -329,6 +330,191 @@ static int add_branch_for_removal(const char *refname,
return 0;
}
+struct rename_info {
+ const char *old;
+ const char *new;
+ struct string_list *remote_branches;
+};
+
+static int read_remote_branches(const char *refname,
+ const unsigned char *sha1, int flags, void *cb_data)
+{
+ struct rename_info *rename = cb_data;
+ struct strbuf buf = STRBUF_INIT;
+ struct string_list_item *item;
+ int flag;
+ unsigned char orig_sha1[20];
+ const char *symref;
+
+ strbuf_addf(&buf, "refs/remotes/%s", rename->old);
+ if(!prefixcmp(refname, buf.buf)) {
+ item = string_list_append(xstrdup(refname), rename->remote_branches);
+ symref = resolve_ref(refname, orig_sha1, 1, &flag);
+ if (flag & REF_ISSYMREF)
+ item->util = xstrdup(symref);
+ else
+ item->util = NULL;
+ }
+
+ return 0;
+}
+
+static int migrate_file(struct remote *remote)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int i;
+ char *path = NULL;
+
+ strbuf_addf(&buf, "remote.%s.url", remote->name);
+ for (i = 0; i < remote->url_nr; i++)
+ if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
+ return error("Could not append '%s' to '%s'",
+ remote->url[i], buf.buf);
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "remote.%s.push", remote->name);
+ for (i = 0; i < remote->push_refspec_nr; i++)
+ if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
+ return error("Could not append '%s' to '%s'",
+ remote->push_refspec[i], buf.buf);
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "remote.%s.fetch", remote->name);
+ for (i = 0; i < remote->fetch_refspec_nr; i++)
+ if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
+ return error("Could not append '%s' to '%s'",
+ remote->fetch_refspec[i], buf.buf);
+ if (remote->origin == REMOTE_REMOTES)
+ path = git_path("remotes/%s", remote->name);
+ else if (remote->origin == REMOTE_BRANCHES)
+ path = git_path("branches/%s", remote->name);
+ if (path && unlink(path))
+ warning("failed to remove '%s'", path);
+ return 0;
+}
+
+static int mv(int argc, const char **argv)
+{
+ struct option options[] = {
+ OPT_END()
+ };
+ struct remote *oldremote, *newremote;
+ struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
+ struct string_list remote_branches = { NULL, 0, 0, 0 };
+ struct rename_info rename;
+ int i;
+
+ if (argc != 3)
+ usage_with_options(builtin_remote_usage, options);
+
+ rename.old = argv[1];
+ rename.new = argv[2];
+ rename.remote_branches = &remote_branches;
+
+ oldremote = remote_get(rename.old);
+ if (!oldremote)
+ die("No such remote: %s", rename.old);
+
+ if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
+ return migrate_file(oldremote);
+
+ newremote = remote_get(rename.new);
+ if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
+ die("remote %s already exists.", rename.new);
+
+ strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
+ if (!valid_fetch_refspec(buf.buf))
+ die("'%s' is not a valid remote name", rename.new);
+
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "remote.%s", rename.old);
+ strbuf_addf(&buf2, "remote.%s", rename.new);
+ if (git_config_rename_section(buf.buf, buf2.buf) < 1)
+ return error("Could not rename config section '%s' to '%s'",
+ buf.buf, buf2.buf);
+
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "remote.%s.fetch", rename.new);
+ if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
+ return error("Could not remove config section '%s'", buf.buf);
+ for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
+ char *ptr;
+
+ strbuf_reset(&buf2);
+ strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
+ ptr = strstr(buf2.buf, rename.old);
+ if (ptr)
+ strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
+ rename.new, strlen(rename.new));
+ if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
+ return error("Could not append '%s'", buf.buf);
+ }
+
+ read_branches();
+ for (i = 0; i < branch_list.nr; i++) {
+ struct string_list_item *item = branch_list.items + i;
+ struct branch_info *info = item->util;
+ if (info->remote && !strcmp(info->remote, rename.old)) {
+ strbuf_reset(&buf);
+ strbuf_addf(&buf, "branch.%s.remote", item->string);
+ if (git_config_set(buf.buf, rename.new)) {
+ return error("Could not set '%s'", buf.buf);
+ }
+ }
+ }
+
+ /*
+ * First remove symrefs, then rename the rest, finally create
+ * the new symrefs.
+ */
+ for_each_ref(read_remote_branches, &rename);
+ for (i = 0; i < remote_branches.nr; i++) {
+ struct string_list_item *item = remote_branches.items + i;
+ int flag = 0;
+ unsigned char sha1[20];
+ const char *symref;
+
+ symref = resolve_ref(item->string, sha1, 1, &flag);
+ if (!(flag & REF_ISSYMREF))
+ continue;
+ if (delete_ref(item->string, NULL, REF_NODEREF))
+ die("deleting '%s' failed", item->string);
+ }
+ for (i = 0; i < remote_branches.nr; i++) {
+ struct string_list_item *item = remote_branches.items + i;
+
+ if (item->util)
+ continue;
+ strbuf_reset(&buf);
+ strbuf_addstr(&buf, item->string);
+ strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
+ rename.new, strlen(rename.new));
+ strbuf_reset(&buf2);
+ strbuf_addf(&buf2, "remote: renamed %s to %s",
+ item->string, buf.buf);
+ if (rename_ref(item->string, buf.buf, buf2.buf))
+ die("renaming '%s' failed", item->string);
+ }
+ for (i = 0; i < remote_branches.nr; i++) {
+ struct string_list_item *item = remote_branches.items + i;
+
+ if (!item->util)
+ continue;
+ strbuf_reset(&buf);
+ strbuf_addstr(&buf, item->string);
+ strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
+ rename.new, strlen(rename.new));
+ strbuf_reset(&buf2);
+ strbuf_addstr(&buf2, item->util);
+ strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
+ rename.new, strlen(rename.new));
+ strbuf_reset(&buf3);
+ strbuf_addf(&buf3, "remote: renamed %s to %s",
+ item->string, buf.buf);
+ if (create_symref(buf.buf, buf2.buf, buf3.buf))
+ die("creating '%s' failed", buf.buf);
+ }
+ return 0;
+}
+
static int remove_branches(struct string_list *branches)
{
int i, result = 0;
@@ -695,6 +881,8 @@ int cmd_remote(int argc, const char **argv, const char *prefix)
result = show_all();
else if (!strcmp(argv[0], "add"))
result = add(argc, argv);
+ else if (!strcmp(argv[0], "rename"))
+ result = mv(argc, argv);
else if (!strcmp(argv[0], "rm"))
result = rm(argc, argv);
else if (!strcmp(argv[0], "show"))
diff --git a/remote.c b/remote.c
index e530a21e5..cbb3e484f 100644
--- a/remote.c
+++ b/remote.c
@@ -201,6 +201,7 @@ static void read_remotes_file(struct remote *remote)
if (!f)
return;
+ remote->origin = REMOTE_REMOTES;
while (fgets(buffer, BUF_SIZE, f)) {
int value_list;
char *s, *p;
@@ -261,6 +262,7 @@ static void read_branches_file(struct remote *remote)
s++;
if (!*s)
return;
+ remote->origin = REMOTE_BRANCHES;
p = s + strlen(s);
while (isspace(p[-1]))
*--p = 0;
@@ -350,6 +352,7 @@ static int handle_config(const char *key, const char *value, void *cb)
if (!subkey)
return error("Config with no key for remote %s", name);
remote = make_remote(name, subkey - name);
+ remote->origin = REMOTE_CONFIG;
if (!strcmp(subkey, ".mirror"))
remote->mirror = git_config_bool(key, value);
else if (!strcmp(subkey, ".skipdefaultupdate"))
diff --git a/remote.h b/remote.h
index d2e170ce6..a46a5be13 100644
--- a/remote.h
+++ b/remote.h
@@ -1,8 +1,15 @@
#ifndef REMOTE_H
#define REMOTE_H
+enum {
+ REMOTE_CONFIG,
+ REMOTE_REMOTES,
+ REMOTE_BRANCHES
+};
+
struct remote {
const char *name;
+ int origin;
const char **url;
int url_nr;
diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh
index c4380c7e3..1f59960d9 100755
--- a/t/t5505-remote.sh
+++ b/t/t5505-remote.sh
@@ -328,4 +328,52 @@ test_expect_success 'reject adding remote with an invalid name' '
'
+# The first three test if the tracking branches are properly renamed,
+# the last two ones check if the config is updated.
+
+test_expect_success 'rename a remote' '
+
+ git clone one four &&
+ (cd four &&
+ git remote rename origin upstream &&
+ rmdir .git/refs/remotes/origin &&
+ test "$(git symbolic-ref refs/remotes/upstream/HEAD)" = "refs/remotes/upstream/master" &&
+ test "$(git rev-parse upstream/master)" = "$(git rev-parse master)" &&
+ test "$(git config remote.upstream.fetch)" = "+refs/heads/*:refs/remotes/upstream/*" &&
+ test "$(git config branch.master.remote)" = "upstream")
+
+'
+
+cat > remotes_origin << EOF
+URL: $(pwd)/one
+Push: refs/heads/master:refs/heads/upstream
+Pull: refs/heads/master:refs/heads/origin
+EOF
+
+test_expect_success 'migrate a remote from named file in $GIT_DIR/remotes' '
+ git clone one five &&
+ origin_url=$(pwd)/one &&
+ (cd five &&
+ git remote rm origin &&
+ mkdir -p .git/remotes &&
+ cat ../remotes_origin > .git/remotes/origin &&
+ git remote rename origin origin &&
+ ! test -f .git/remotes/origin &&
+ test "$(git config remote.origin.url)" = "$origin_url" &&
+ test "$(git config remote.origin.push)" = "refs/heads/master:refs/heads/upstream" &&
+ test "$(git config remote.origin.fetch)" = "refs/heads/master:refs/heads/origin")
+'
+
+test_expect_success 'migrate a remote from named file in $GIT_DIR/branches' '
+ git clone one six &&
+ origin_url=$(pwd)/one &&
+ (cd six &&
+ git remote rm origin &&
+ echo "$origin_url" > .git/branches/origin &&
+ git remote rename origin origin &&
+ ! test -f .git/branches/origin &&
+ test "$(git config remote.origin.url)" = "$origin_url" &&
+ test "$(git config remote.origin.fetch)" = "refs/heads/master:refs/heads/origin")
+'
+
test_done