# - not all diff versions understand "-u"
test_cmp() {
- eval "$GIT_TEST_CMP" '"$@"'
+ test $# -eq 2 || BUG "test_cmp requires two arguments"
+ if ! eval "$GIT_TEST_CMP" '"$@"'
+ then
+ test "x$1" = x- || test -e "$1" || BUG "test_cmp '$1' missing"
+ test "x$2" = x- || test -e "$2" || BUG "test_cmp '$2' missing"
+ return 1
+ fi
}
# Check that the given config key has the expected value.
# test_cmp_bin - helper to compare binary files
test_cmp_bin() {
- cmp "$@"
+ test $# -eq 2 || BUG "test_cmp_bin requires two arguments"
+ if ! cmp "$@"
+ then
+ test "x$1" = x- || test -e "$1" || BUG "test_cmp_bin '$1' missing"
+ test "x$2" = x- || test -e "$2" || BUG "test_cmp_bin '$2' missing"
+ return 1
+ fi
}
# Use this instead of test_cmp to compare files that contain expected and
# Detect the hash algorithm in use.
test_detect_hash () {
- # Currently we only support SHA-1, but in the future this function will
- # actually detect the algorithm in use.
- test_hash_algo='sha1'
+ test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}"
}
# Load common hash metadata and common placeholder object IDs for use with
# Look up a per-hash value based on a key ($1). The value must have been loaded
# by test_oid_init or test_oid_cache.
test_oid () {
- local var="test_oid_${test_hash_algo}_$1" &&
+ local algo="${test_hash_algo}" &&
+
+ case "$1" in
+ --hash=*)
+ algo="${1#--hash=}" &&
+ shift;;
+ *)
+ ;;
+ esac &&
+
+ local var="test_oid_${algo}_$1" &&
# If the variable is unset, we must be missing an entry for this
# key-hash pair, so exit with an error.