diff options
| -rw-r--r-- | builtin-branch.c | 67 | ||||
| -rwxr-xr-x | t/t3200-branch.sh | 16 |
2 files changed, 53 insertions, 30 deletions
diff --git a/builtin-branch.c b/builtin-branch.c index a5b6bbef6e..67f46c1ae2 100644 --- a/builtin-branch.c +++ b/builtin-branch.c @@ -317,8 +317,6 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev) static char *config_repo; static char *config_remote; static const char *start_ref; -static int start_len; -static int base_len; static int get_remote_branch_name(const char *value) { @@ -334,26 +332,41 @@ static int get_remote_branch_name(const char *value) end = value + strlen(value); - /* Try an exact match first. */ + /* + * Try an exact match first. I.e. handle the case where the + * value is "$anything:refs/foo/bar/baz" and start_ref is exactly + * "refs/foo/bar/baz". Then the name at the remote is $anything. + */ if (!strcmp(colon + 1, start_ref)) { - /* Truncate the value before the colon. */ + /* Truncate the value before the colon. */ nfasprintf(&config_repo, "%.*s", colon - value, value); return 1; } - /* Try with a wildcard match now. */ - if (end - value > 2 && end[-2] == '/' && end[-1] == '*' && - colon - value > 2 && colon[-2] == '/' && colon[-1] == '*' && - (end - 2) - (colon + 1) == base_len && - !strncmp(colon + 1, start_ref, base_len)) { - /* Replace the star with the remote branch name. */ - nfasprintf(&config_repo, "%.*s%s", - (colon - 2) - value, value, - start_ref + base_len); - return 1; - } + /* + * Is this a wildcard match? + */ + if ((end - 2 <= value) || end[-2] != '/' || end[-1] != '*' || + (colon - 2 <= value) || colon[-2] != '/' || colon[-1] != '*') + return 0; - return 0; + /* + * Value is "refs/foo/bar/<asterisk>:refs/baz/boa/<asterisk>" + * and start_ref begins with "refs/baz/boa/"; the name at the + * remote is refs/foo/bar/ with the remaining part of the + * start_ref. The length of the prefix on the RHS is (end - + * colon - 2), including the slash immediately before the + * asterisk. + */ + if ((strlen(start_ref) < end - colon - 2) || + memcmp(start_ref, colon + 1, end - colon - 2)) + return 0; /* does not match prefix */ + + /* Replace the asterisk with the remote branch name. */ + nfasprintf(&config_repo, "%.*s%s", + (colon - 1) - value, value, + start_ref + (end - colon - 2)); + return 1; } static int get_remote_config(const char *key, const char *value) @@ -363,10 +376,12 @@ static int get_remote_config(const char *key, const char *value) return 0; var = strrchr(key, '.'); - if (var == key + 6) + if (var == key + 6 || strcmp(var, ".fetch")) return 0; - - if (!strcmp(var, ".fetch") && get_remote_branch_name(value)) + /* + * Ok, we are looking at key == "remote.$foo.fetch"; + */ + if (get_remote_branch_name(value)) nfasprintf(&config_remote, "%.*s", var - (key + 7), key + 7); return 0; @@ -392,14 +407,14 @@ static void set_branch_merge(const char *name, const char *config_remote, static void set_branch_defaults(const char *name, const char *real_ref) { - const char *slash = strrchr(real_ref, '/'); - - if (!slash) - return; - + /* + * name is the name of new branch under refs/heads; + * real_ref is typically refs/remotes/$foo/$bar, where + * $foo is the remote name (there typically are no slashes) + * and $bar is the branch name we map from the remote + * (it could have slashes). + */ start_ref = real_ref; - start_len = strlen(real_ref); - base_len = slash - real_ref; git_config(get_remote_config); if (!config_repo && !config_remote && !prefixcmp(real_ref, "refs/heads/")) { diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index 828d553a4b..6f6d8844e8 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -136,8 +136,8 @@ test_expect_success 'test tracking setup (non-wildcard, not matching)' \ git-config remote.local.fetch refs/heads/s:refs/remotes/local/s && (git-show-ref -q refs/remotes/local/master || git-fetch local) && git-branch --track my5 local/master && - ! test $(git-config branch.my5.remote) = local && - ! test $(git-config branch.my5.merge) = refs/heads/master' + ! test "$(git-config branch.my5.remote)" = local && + ! test "$(git-config branch.my5.merge)" = refs/heads/master' test_expect_success 'test tracking setup via config' \ 'git-config branch.autosetupmerge true && @@ -155,14 +155,22 @@ test_expect_success 'test overriding tracking setup via --no-track' \ (git-show-ref -q refs/remotes/local/master || git-fetch local) && git-branch --no-track my2 local/master && git-config branch.autosetupmerge false && - ! test $(git-config branch.my2.remote) = local && - ! test $(git-config branch.my2.merge) = refs/heads/master' + ! test "$(git-config branch.my2.remote)" = local && + ! test "$(git-config branch.my2.merge)" = refs/heads/master' test_expect_success 'test local tracking setup' \ 'git branch --track my6 s && test $(git-config branch.my6.remote) = . && test $(git-config branch.my6.merge) = refs/heads/s' +test_expect_success 'test tracking setup via --track but deeper' \ + 'git-config remote.local.url . && + git-config remote.local.fetch refs/heads/*:refs/remotes/local/* && + (git-show-ref -q refs/remotes/local/o/o || git-fetch local) && + git-branch --track my7 local/o/o && + test "$(git-config branch.my7.remote)" = local && + test "$(git-config branch.my7.merge)" = refs/heads/o/o' + # Keep this test last, as it changes the current branch cat >expect <<EOF 0000000000000000000000000000000000000000 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master |