test-lib: Replace uses of $(expr ...) by POSIX shell features.

diff --git a/run-command.h b/run-command.h
index a8b0c209e9b7487ce3c2b214cbebe7ad4f97fd11..15e870a65eb037cd49d1e01251711915da06d260 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -10,6 +10,7 @@ enum {
        ERR_RUN_COMMAND_WAITPID_SIGNAL,
        ERR_RUN_COMMAND_WAITPID_NOEXIT,
 };
+#define IS_RUN_COMMAND_ERR(x) ((x) <= -ERR_RUN_COMMAND_FORK)
 
 struct child_process {
        const char **argv;
@@ -49,6 +50,8 @@ int start_command(struct child_process *);
 int finish_command(struct child_process *);
 int run_command(struct child_process *);
 
+extern int run_hook(const char *index_file, const char *name, ...);
+
 #define RUN_COMMAND_NO_STDIN 1
 #define RUN_GIT_CMD         2  /*If this is to be git sub-command */
 #define RUN_COMMAND_STDOUT_TO_STDERR 4