worktree: add --guess-remote flag to add subcommand

diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index b5865b385d3a0ca175dc683c75b7f650958a0469..80a1a3239a64a4f551bc394ab88be500c9b5c44f 100755 (executable)
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -547,6 +547,41 @@ test_expect_success 'fetch-pack can fetch a raw sha1' '
        git fetch-pack hidden $(git -C hidden rev-parse refs/hidden/one)
 '
 
+test_expect_success 'fetch-pack can fetch a raw sha1 that is advertised as a ref' '
+       rm -rf server client &&
+       git init server &&
+       test_commit -C server 1 &&
+
+       git init client &&
+       git -C client fetch-pack ../server \
+               $(git -C server rev-parse refs/heads/master)
+'
+
+test_expect_success 'fetch-pack can fetch a raw sha1 overlapping a named ref' '
+       rm -rf server client &&
+       git init server &&
+       test_commit -C server 1 &&
+       test_commit -C server 2 &&
+
+       git init client &&
+       git -C client fetch-pack ../server \
+               $(git -C server rev-parse refs/tags/1) refs/tags/1
+'
+
+test_expect_success 'fetch-pack cannot fetch a raw sha1 that is not advertised as a ref' '
+       rm -rf server &&
+
+       git init server &&
+       test_commit -C server 5 &&
+       git -C server tag -d 5 &&
+       test_commit -C server 6 &&
+
+       git init client &&
+       test_must_fail git -C client fetch-pack ../server \
+               $(git -C server rev-parse refs/heads/master^) 2>err &&
+       test_i18ngrep "Server does not allow request for unadvertised object" err
+'
+
 check_prot_path () {
        cat >expected <<-EOF &&
        Diag: url=$1