t1510 (worktree): fix '&&' chaining

Breaks in a test assertion's && chain can potentially hide failures
from earlier commands in the chain.

'unset' returns non-zero status when the variable passed was already unset
on some shells; we need to change these instances to 'sane_unset'.

Helped-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index 63849836c8b088eb495dc565ff909c367c868301..e661147c573fa7312e8f533a4a4c8ea1eda7763f 100755 (executable)
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -48,7 +48,7 @@ test_expect_success 'setup: helper for testing rev-parse' '
 '
 
 test_expect_success 'setup: core.worktree = relative path' '
-       unset GIT_WORK_TREE;
+       sane_unset GIT_WORK_TREE &&
        GIT_DIR=repo.git &&
        GIT_CONFIG="$(pwd)"/$GIT_DIR/config &&
        export GIT_DIR GIT_CONFIG &&
@@ -89,7 +89,7 @@ test_expect_success 'subdir of work tree' '
 '
 
 test_expect_success 'setup: core.worktree = absolute path' '
-       unset GIT_WORK_TREE;
+       sane_unset GIT_WORK_TREE &&
        GIT_DIR=$(pwd)/repo.git &&
        GIT_CONFIG=$GIT_DIR/config &&
        export GIT_DIR GIT_CONFIG &&
@@ -334,7 +334,7 @@ test_expect_success 'absolute pathspec should fail gracefully' '
 '
 
 test_expect_success 'make_relative_path handles double slashes in GIT_DIR' '
-       >dummy_file
+       >dummy_file &&
        echo git --git-dir="$(pwd)//repo.git" --work-tree="$(pwd)" add dummy_file &&
        git --git-dir="$(pwd)//repo.git" --work-tree="$(pwd)" add dummy_file
 '