tests: document cherry-pick behavior in face of conflicts

diff --git a/t/t9100-git-svn-basic.sh b/t/t9100-git-svn-basic.sh
index bb921af56af2c9a559c843dd4c3b69993c34206c..570e0359e4739e178b1836887c53ddd78e3c8ec0 100755 (executable)
--- a/t/t9100-git-svn-basic.sh
+++ b/t/t9100-git-svn-basic.sh
@@ -6,19 +6,19 @@
 test_description='git svn basic tests'
 GIT_SVN_LC_ALL=${LC_ALL:-$LANG}
 
+. ./lib-git-svn.sh
+
+say 'define NO_SVN_TESTS to skip git svn tests'
+
 case "$GIT_SVN_LC_ALL" in
 *.UTF-8)
-       have_utf8=t
+       test_set_prereq UTF8
        ;;
 *)
-       have_utf8=
+       say "UTF-8 locale not set, some tests skipped ($GIT_SVN_LC_ALL)"
        ;;
 esac
 
-. ./lib-git-svn.sh
-
-say 'define NO_SVN_TESTS to skip git svn tests'
-
 test_expect_success \
     'initialize git svn' '
        mkdir import &&
@@ -31,7 +31,7 @@ test_expect_success \
        echo "zzz" > bar/zzz &&
        echo "#!/bin/sh" > exec.sh &&
        chmod +x exec.sh &&
-       svn import -m "import for git svn" . "$svnrepo" >/dev/null &&
+       svn_cmd import -m "import for git svn" . "$svnrepo" >/dev/null &&
        cd .. &&
        rm -rf import &&
        git svn init "$svnrepo"'
@@ -51,7 +51,7 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test -d "$SVN_TREE"/dir && test ! -d "$SVN_TREE"/dir/a'
 
 
@@ -118,7 +118,7 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch5 &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test ! -x "$SVN_TREE"/exec.sh'
 
 
@@ -129,7 +129,7 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch5 &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test -x "$SVN_TREE"/exec.sh'
 
 
@@ -141,7 +141,7 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch5 &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test -L "$SVN_TREE"/exec.sh'
 
 name='new symlink is added to a file that was also just made executable'
@@ -153,7 +153,7 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch5 &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test -x "$SVN_TREE"/bar/zzz &&
        test -L "$SVN_TREE"/exec-2.sh'
 
@@ -166,25 +166,20 @@ test_expect_success "$name" '
        git commit -m "$name" &&
        git svn set-tree --find-copies-harder --rmdir \
                ${remotes_git_svn}..mybranch5 &&
-       svn up "$SVN_TREE" &&
+       svn_cmd up "$SVN_TREE" &&
        test -f "$SVN_TREE"/exec-2.sh &&
        test ! -L "$SVN_TREE"/exec-2.sh &&
        test_cmp help "$SVN_TREE"/exec-2.sh'
 
-if test "$have_utf8" = t
-then
-       name="commit with UTF-8 message: locale: $GIT_SVN_LC_ALL"
-       LC_ALL="$GIT_SVN_LC_ALL"
-       export LC_ALL
-       test_expect_success "$name" "
-               echo '# hello' >> exec-2.sh &&
-               git update-index exec-2.sh &&
-               git commit -m 'éï∏' &&
-               git svn set-tree HEAD"
-       unset LC_ALL
-else
-       say "UTF-8 locale not set, test skipped ($GIT_SVN_LC_ALL)"
-fi
+name="commit with UTF-8 message: locale: $GIT_SVN_LC_ALL"
+LC_ALL="$GIT_SVN_LC_ALL"
+export LC_ALL
+test_expect_success UTF8 "$name" "
+       echo '# hello' >> exec-2.sh &&
+       git update-index exec-2.sh &&
+       git commit -m 'éï∏' &&
+       git svn set-tree HEAD"
+unset LC_ALL
 
 name='test fetch functionality (svn => git) with alternate GIT_SVN_ID'
 GIT_SVN_ID=alt
@@ -197,7 +192,7 @@ test_expect_success "$name" \
 
 name='check imported tree checksums expected tree checksums'
 rm -f expected
-if test "$have_utf8" = t
+if test_have_prereq UTF8
 then
        echo tree bf522353586b1b883488f2bc73dab0d9f774b9a9 > expected
 fi
@@ -236,6 +231,25 @@ test_expect_success \
                               "^:refs/${remotes_git_svn}$"
         '
 
+test_expect_success 'dcommit $rev does not clobber current branch' '
+       git svn fetch -i bar &&
+       git checkout -b my-bar refs/remotes/bar &&
+       echo 1 > foo &&
+       git add foo &&
+       git commit -m "change 1" &&
+       echo 2 > foo &&
+       git add foo &&
+       git commit -m "change 2" &&
+       old_head=$(git rev-parse HEAD) &&
+       git svn dcommit -i bar HEAD^ &&
+       test $old_head = $(git rev-parse HEAD) &&
+       test refs/heads/my-bar = $(git symbolic-ref HEAD) &&
+       git log refs/remotes/bar | grep "change 1" &&
+       ! git log refs/remotes/bar | grep "change 2" &&
+       git checkout master &&
+       git branch -D my-bar
+       '
+
 test_expect_success 'able to dcommit to a subdirectory' "
        git svn fetch -i bar &&
        git checkout -b my-bar refs/remotes/bar &&