init, clone: support --separate-git-dir for .git file

diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index af8b9c52a9d4c899a05f8d2877de005cb4d1437d..b2e6919da1477e6a1b53182c3061abde844ffc67 100755 (executable)
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -35,7 +35,7 @@ test_expect_success 'plain' '
 
 test_expect_success 'plain nested in bare' '
        (
-               unset GIT_DIR GIT_WORK_TREE &&
+               sane_unset GIT_DIR GIT_WORK_TREE &&
                git init --bare bare-ancestor.git &&
                cd bare-ancestor.git &&
                mkdir plain-nested &&
@@ -47,7 +47,7 @@ test_expect_success 'plain nested in bare' '
 
 test_expect_success 'plain through aliased command, outside any git repo' '
        (
-               unset GIT_DIR GIT_WORK_TREE GIT_CONFIG_NOGLOBAL &&
+               sane_unset GIT_DIR GIT_WORK_TREE GIT_CONFIG_NOGLOBAL &&
                HOME=$(pwd)/alias-config &&
                export HOME &&
                mkdir alias-config &&
@@ -65,7 +65,7 @@ test_expect_success 'plain through aliased command, outside any git repo' '
 
 test_expect_failure 'plain nested through aliased command' '
        (
-               unset GIT_DIR GIT_WORK_TREE &&
+               sane_unset GIT_DIR GIT_WORK_TREE &&
                git init plain-ancestor-aliased &&
                cd plain-ancestor-aliased &&
                echo "[alias] aliasedinit = init" >>.git/config &&
@@ -78,7 +78,7 @@ test_expect_failure 'plain nested through aliased command' '
 
 test_expect_failure 'plain nested in bare through aliased command' '
        (
-               unset GIT_DIR GIT_WORK_TREE &&
+               sane_unset GIT_DIR GIT_WORK_TREE &&
                git init --bare bare-ancestor-aliased.git &&
                cd bare-ancestor-aliased.git &&
                echo "[alias] aliasedinit = init" >>config &&
@@ -374,4 +374,50 @@ test_expect_success 'init prefers command line to GIT_DIR' '
        ! test -d otherdir/refs
 '
 
+test_expect_success 'init with separate gitdir' '
+       rm -rf newdir &&
+       git init --separate-git-dir realgitdir newdir &&
+       echo "gitdir: `pwd`/realgitdir" >expected &&
+       test_cmp expected newdir/.git &&
+       test -d realgitdir/refs
+'
+
+test_expect_success 're-init to update git link' '
+       (
+       cd newdir &&
+       git init --separate-git-dir ../surrealgitdir
+       ) &&
+       echo "gitdir: `pwd`/surrealgitdir" >expected &&
+       test_cmp expected newdir/.git &&
+       test -d surrealgitdir/refs &&
+       ! test -d realgitdir/refs
+'
+
+test_expect_success 're-init to move gitdir' '
+       rm -rf newdir realgitdir surrealgitdir &&
+       git init newdir &&
+       (
+       cd newdir &&
+       git init --separate-git-dir ../realgitdir
+       ) &&
+       echo "gitdir: `pwd`/realgitdir" >expected &&
+       test_cmp expected newdir/.git &&
+       test -d realgitdir/refs
+'
+
+test_expect_success 're-init to move gitdir symlink' '
+       rm -rf newdir realgitdir &&
+       git init newdir &&
+       (
+       cd newdir &&
+       mv .git here &&
+       ln -s here .git &&
+       git init -L ../realgitdir
+       ) &&
+       echo "gitdir: `pwd`/realgitdir" >expected &&
+       test_cmp expected newdir/.git &&
+       test -d realgitdir/refs &&
+       ! test -d newdir/here
+'
+
 test_done