test-lib: add helper functions for config

[git.git] / t / test-lib.sh

diff --git a/t/test-lib.sh b/t/test-lib.sh
index df25f1792923a65aab2c4ce88e7b528effb381f5..395bf609ad9892d5c7e2d44ed5d75f6b51114d3d 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -357,6 +357,24 @@ test_chmod () {
        git update-index --add "--chmod=$@"
 }
 
+# Unset a configuration variable, but don't fail if it doesn't exist.
+test_unconfig () {
+       git config --unset-all "$@"
+       config_status=$?
+       case "$config_status" in
+       5) # ok, nothing to unset
+               config_status=0
+               ;;
+       esac
+       return $config_status
+}
+
+# Set git config, automatically unsetting it after the test is over.
+test_config () {
+       test_when_finished "test_unconfig '$1'" &&
+       git config "$@"
+}
+
 # Use test_set_prereq to tell that a particular prerequisite is available.
 # The prerequisite can later be checked for in two ways:
 #