Merge branch 'cc/tests-without-assuming-ref-files-backend'

Instead of mucking with filesystem directly, use plumbing commands
update-ref etc. to manipulate the refs in the tests.

* cc/tests-without-assuming-ref-files-backend:
t9104: kosherly remove remote refs

diff --combined t/t9104-git-svn-follow-parent.sh
index 9c49b6c1fe24335c6bcae777d60e14cdf96fd306,a9734a32bfe86cd759968684eb13bff9a3dcbab3..5e0ad1917736591b50e65169216bd5fe80193989
--- 1/t/t9104-git-svn-follow-parent.sh
--- 2/t/t9104-git-svn-follow-parent.sh
+++ b/t/t9104-git-svn-follow-parent.sh
@@@ -33,8 -33,8 +33,8 @@@ test_expect_success 'init and fetch a m
        git svn fetch -i thunk &&
        test "$(git rev-parse --verify refs/remotes/thunk@2)" \
           = "$(git rev-parse --verify refs/remotes/thunk~1)" &&
 -      test "$(git cat-file blob refs/remotes/thunk:readme |\
 -               sed -n -e "3p")" = goodbye &&
 +      git cat-file blob refs/remotes/thunk:readme >actual &&
 +      test "$(sed -n -e "3p" actual)" = goodbye &&
        test -z "$(git config --get svn-remote.svn.fetch \
                 "^trunk:refs/remotes/thunk@2$")"
        '
@@@ -48,8 -48,8 +48,8 @@@ test_expect_success 'init and fetch fro
          git svn fetch -i svn/thunk &&
        test "$(git rev-parse --verify refs/remotes/svn/trunk)" \
           = "$(git rev-parse --verify refs/remotes/svn/thunk~1)" &&
 -      test "$(git cat-file blob refs/remotes/svn/thunk:readme |\
 -               sed -n -e "3p")" = goodbye
 +      git cat-file blob refs/remotes/svn/thunk:readme >actual &&
 +      test "$(sed -n -e "3p" actual)" = goodbye
          '
  
  test_expect_success 'follow deleted parent' '
@@@ -107,8 -107,7 +107,8 @@@ test_expect_success 'follow deleted dir
        git svn init --minimize-url -i glob "$svnrepo"/glob &&
        git svn fetch -i glob &&
        test "$(git cat-file blob refs/remotes/glob:blob/bye)" = hi &&
 -      test "$(git ls-tree refs/remotes/glob | wc -l )" -eq 1
 +      git ls-tree refs/remotes/glob >actual &&
 +      test_line_count = 1 actual
        '
  
  # ref: r9270 of the Subversion repository: (http://svn.collab.net/repos/svn)
@@@ -205,9 -204,8 +205,9 @@@ test_expect_success "follow-parent is a
  test_expect_success "track multi-parent paths" '
        svn_cmd cp -m "resurrect /glob" "$svnrepo"/r9270 "$svnrepo"/glob &&
        git svn multi-fetch &&
 -      test $(git cat-file commit refs/remotes/glob | \
 -             grep "^parent " | wc -l) -eq 2
 +      git cat-file commit refs/remotes/glob >actual &&
 +      grep "^parent " actual >actual2 &&
 +      test_line_count = 2 actual2
        '
  
  test_expect_success "multi-fetch continues to work" "
@@@ -215,7 -213,9 +215,9 @@@
        "
  
  test_expect_success "multi-fetch works off a 'clean' repository" '
-       rm -rf "$GIT_DIR/svn" "$GIT_DIR/refs/remotes" &&
+       rm -rf "$GIT_DIR/svn" &&
+       git for-each-ref --format="option no-deref%0adelete %(refname)" refs/remotes |
+       git update-ref --stdin &&
        git reflog expire --all --expire=all &&
        mkdir "$GIT_DIR/svn" &&
        git svn multi-fetch