commit 8a42fca8ab01e340d7099ee3f5988bf7b4c51768
from: Stefan Sperling <stsp@stsp.name>
date: Fri Feb 22 10:39:44 2019 UTC

fix trigger_log_thread() would run forever in case the thread had an error

commit - 6e73b0d6716c86d47f3eca7813500dd1c7ff7f24
commit + 8a42fca8ab01e340d7099ee3f5988bf7b4c51768
blob - dc9aba73a8c44eab31dea5bbf61c16609c29b090
blob + ea459c1816bc8a91570634707683fbaa538f62a8
--- tog/tog.c
+++ tog/tog.c
@@ -1250,6 +1250,9 @@ trigger_log_thread(int load_all, int *commits_needed, 
     pthread_cond_t *need_commits)
 {
 	int errcode;
+	int max_wait = 20;
+
+	halfdelay(1); /* fast refresh while loading commits */
 
 	while (*commits_needed > 0) {
 		if (*log_complete)
@@ -1267,14 +1270,13 @@ trigger_log_thread(int load_all, int *commits_needed, 
 		if (errcode)
 			return got_error_set_errno(errcode);
 
-		if (*commits_needed > 0 && !load_all) {
+		if (*commits_needed > 0 && (!load_all || --max_wait <= 0)) {
 			/*
 			 * Thread is not done yet; lose a key press
 			 * and let the user retry... this way the GUI
 			 * remains interactive while logging deep paths
 			 * with few commits in history.
 			 */
-			halfdelay(1); /* fast refresh while loading */
 			return NULL;
 		}
 	}