[RFC/PATCH v2 04/10] t0400: add 'put' command to odb-helper script

@@ -7,6 +7,10 @@ test_description='basic tests for external object databases'
 ALT_SOURCE="$PWD/alt-repo/.git"
 export ALT_SOURCE
 write_script odb-helper <<\EOF
+die() {
+	printf >&2 "%s\n" "$@"
+	exit 1
+}
 GIT_DIR=$ALT_SOURCE; export GIT_DIR
 case "$1" in
 have)

@@ -16,6 +20,16 @@ have)
 get)
 	cat "$GIT_DIR"/objects/$(echo $2 | sed 's#..#&/#')
 	;;
+put)
+	sha1="$2"
+	size="$3"
+	kind="$4"
+	writen=$(git hash-object -w -t "$kind" --stdin)
+	test "$writen" = "$sha1" || die "bad sha1 passed '$sha1' vs writen '$writen'"
+	;;
+*)
+	die "unknown command '$1'"
+	;;
 esac
 EOF
 HELPER="\"$PWD\"/odb-helper"