Make sure output files end with a newline when resumingigt-runner

1 files changed, 8 insertions, 1 deletions

diff --git a/runner/executor.c b/runner/executor.c
index 78a1ba5d..2754f5a2 100644
--- a/runner/executor.c
+++ b/runner/executor.c
@@ -238,8 +238,15 @@ static char *filenames[] = {
 
 static int open_at_end(int dirfd, char *name)
 {
-	int fd = openat(dirfd, name, O_WRONLY | O_CREAT | O_CLOEXEC, 0666);
+	int fd = openat(dirfd, name, O_RDWR | O_CREAT | O_CLOEXEC, 0666);
+	char last;
+
 	if (fd >= 0) {
+		if (lseek(fd, -1, SEEK_END) >= 0 &&
+		    read(fd, &last, 1) == 1 &&
+		    last != '\n') {
+			write(fd, "\n", 1);
+		}
 		lseek(fd, 0, SEEK_END);
 	}