t/Makefile: add a rule to re-run previously-failed tests

diff --git a/t/t9100-git-svn-basic.sh b/t/t9100-git-svn-basic.sh
index d29f60108a4235feae1068a6ea1a89cc7bee5b4b..8a8ba65a2ae583aa5d0b0526e604a8f9613b5a5e 100755 (executable)
--- a/t/t9100-git-svn-basic.sh
+++ b/t/t9100-git-svn-basic.sh
@@ -8,8 +8,6 @@ GIT_SVN_LC_ALL=${LC_ALL:-$LANG}
 
 . ./lib-git-svn.sh
 
-say 'define NO_SVN_TESTS to skip git svn tests'
-
 case "$GIT_SVN_LC_ALL" in
 *.UTF-8)
        test_set_prereq UTF8
@@ -19,25 +17,12 @@ case "$GIT_SVN_LC_ALL" in
        ;;
 esac
 
-deepdir=nothing-above
-ceiling=$PWD
-
 test_expect_success 'git svn --version works anywhere' '
-       mkdir -p "$deepdir" && (
-               GIT_CEILING_DIRECTORIES="$ceiling" &&
-               export GIT_CEILING_DIRECTORIES &&
-               cd "$deepdir" &&
-               git svn --version
-       )
+       nongit git svn --version
 '
 
 test_expect_success 'git svn help works anywhere' '
-       mkdir -p "$deepdir" && (
-               GIT_CEILING_DIRECTORIES="$ceiling" &&
-               export GIT_CEILING_DIRECTORIES &&
-               cd "$deepdir" &&
-               git svn help
-       )
+       nongit git svn help
 '
 
 test_expect_success \