t9150-svk-mergetickets.sh: use the $( ... ) construct for command substitution

diff --git a/run-command.c b/run-command.c
index 84e4ce66e9d3da22be318813d75cbb3a94b614e4..13fa452e8c3d5a5e20e24a969d53ce7ade4019bf 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -607,7 +607,7 @@ static NORETURN void die_async(const char *err, va_list params)
 {
        vreportf("fatal: ", err, params);
 
-       if (!pthread_equal(main_thread, pthread_self())) {
+       if (in_async()) {
                struct async *async = pthread_getspecific(async_key);
                if (async->proc_in >= 0)
                        close(async->proc_in);
@@ -626,6 +626,13 @@ static int async_die_is_recursing(void)
        return ret != NULL;
 }
 
+int in_async(void)
+{
+       if (!main_thread_set)
+               return 0; /* no asyncs started yet */
+       return !pthread_equal(main_thread, pthread_self());
+}
+
 #else
 
 static struct {
@@ -665,6 +672,12 @@ int git_atexit(void (*handler)(void))
 }
 #define atexit git_atexit
 
+static int process_is_async;
+int in_async(void)
+{
+       return process_is_async;
+}
+
 #endif
 
 int start_async(struct async *async)
@@ -724,6 +737,7 @@ int start_async(struct async *async)
                if (need_out)
                        close(fdout[0]);
                git_atexit_clear();
+               process_is_async = 1;
                exit(!!async->proc(proc_in, proc_out, async->data));
        }