branch: allow a no-op "branch -M <current-branch> HEAD"

diff --git a/t/t5403-post-checkout-hook.sh b/t/t5403-post-checkout-hook.sh
index 4fdb418550ee0f3c93e80f8c3df41094c0ada00c..1753ef2b91e3e5846f12fc16e1209b1895210f3b 100755 (executable)
--- a/t/t5403-post-checkout-hook.sh
+++ b/t/t5403-post-checkout-hook.sh
@@ -7,19 +7,19 @@ test_description='Test the post-checkout hook.'
 . ./test-lib.sh
 
 test_expect_success setup '
-        echo Data for commit0. >a &&
-        echo Data for commit0. >b &&
-        git update-index --add a &&
-        git update-index --add b &&
-        tree0=$(git write-tree) &&
-        commit0=$(echo setup | git commit-tree $tree0) &&
-        git update-ref refs/heads/master $commit0 &&
-        git clone ./. clone1 &&
-        git clone ./. clone2 &&
-        GIT_DIR=clone2/.git git branch -a new2 &&
-        echo Data for commit1. >clone2/b &&
-        GIT_DIR=clone2/.git git add clone2/b &&
-        GIT_DIR=clone2/.git git commit -m new2
+       echo Data for commit0. >a &&
+       echo Data for commit0. >b &&
+       git update-index --add a &&
+       git update-index --add b &&
+       tree0=$(git write-tree) &&
+       commit0=$(echo setup | git commit-tree $tree0) &&
+       git update-ref refs/heads/master $commit0 &&
+       git clone ./. clone1 &&
+       git clone ./. clone2 &&
+       GIT_DIR=clone2/.git git branch new2 &&
+       echo Data for commit1. >clone2/b &&
+       GIT_DIR=clone2/.git git add clone2/b &&
+       GIT_DIR=clone2/.git git commit -m new2
 '
 
 for clone in 1 2; do
@@ -31,46 +31,47 @@ EOF
 done
 
 test_expect_success 'post-checkout runs as expected ' '
-        GIT_DIR=clone1/.git git checkout master &&
-        test -e clone1/.git/post-checkout.args
+       GIT_DIR=clone1/.git git checkout master &&
+       test -e clone1/.git/post-checkout.args
 '
 
 test_expect_success 'post-checkout receives the right arguments with HEAD unchanged ' '
-        old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
-        new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
-        flag=$(awk "{print \$3}" clone1/.git/post-checkout.args) &&
-        test $old = $new -a $flag = 1
+       old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
+       new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
+       flag=$(awk "{print \$3}" clone1/.git/post-checkout.args) &&
+       test $old = $new -a $flag = 1
 '
 
 test_expect_success 'post-checkout runs as expected ' '
-        GIT_DIR=clone1/.git git checkout master &&
-        test -e clone1/.git/post-checkout.args
+       GIT_DIR=clone1/.git git checkout master &&
+       test -e clone1/.git/post-checkout.args
 '
 
 test_expect_success 'post-checkout args are correct with git checkout -b ' '
-        GIT_DIR=clone1/.git git checkout -b new1 &&
-        old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
-        new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
-        flag=$(awk "{print \$3}" clone1/.git/post-checkout.args) &&
-        test $old = $new -a $flag = 1
+       GIT_DIR=clone1/.git git checkout -b new1 &&
+       old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
+       new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
+       flag=$(awk "{print \$3}" clone1/.git/post-checkout.args) &&
+       test $old = $new -a $flag = 1
 '
 
 test_expect_success 'post-checkout receives the right args with HEAD changed ' '
-        GIT_DIR=clone2/.git git checkout new2 &&
-        old=$(awk "{print \$1}" clone2/.git/post-checkout.args) &&
-        new=$(awk "{print \$2}" clone2/.git/post-checkout.args) &&
-        flag=$(awk "{print \$3}" clone2/.git/post-checkout.args) &&
-        test $old != $new -a $flag = 1
+       GIT_DIR=clone2/.git git checkout new2 &&
+       old=$(awk "{print \$1}" clone2/.git/post-checkout.args) &&
+       new=$(awk "{print \$2}" clone2/.git/post-checkout.args) &&
+       flag=$(awk "{print \$3}" clone2/.git/post-checkout.args) &&
+       test $old != $new -a $flag = 1
 '
 
 test_expect_success 'post-checkout receives the right args when not switching branches ' '
-        GIT_DIR=clone2/.git git checkout master b &&
-        old=$(awk "{print \$1}" clone2/.git/post-checkout.args) &&
-        new=$(awk "{print \$2}" clone2/.git/post-checkout.args) &&
-        flag=$(awk "{print \$3}" clone2/.git/post-checkout.args) &&
-        test $old = $new -a $flag = 0
+       GIT_DIR=clone2/.git git checkout master b &&
+       old=$(awk "{print \$1}" clone2/.git/post-checkout.args) &&
+       new=$(awk "{print \$2}" clone2/.git/post-checkout.args) &&
+       flag=$(awk "{print \$3}" clone2/.git/post-checkout.args) &&
+       test $old = $new -a $flag = 0
 '
 
+if test "$(git config --bool core.filemode)" = true; then
 mkdir -p templates/hooks
 cat >templates/hooks/post-checkout <<'EOF'
 #!/bin/sh
@@ -82,5 +83,6 @@ test_expect_success 'post-checkout hook is triggered by clone' '
        git clone --template=templates . clone3 &&
        test -f clone3/.git/post-checkout.args
 '
+fi
 
 test_done