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-rwxr-xr-xtests/t0107-snapshot.sh5
-rw-r--r--ui-snapshot.c8
2 files changed, 11 insertions, 2 deletions
diff --git a/tests/t0107-snapshot.sh b/tests/t0107-snapshot.sh
index 8e90e10..d97c465 100755
--- a/tests/t0107-snapshot.sh
+++ b/tests/t0107-snapshot.sh
@@ -21,7 +21,10 @@ run_test 'strip off the header lines' '
 '
 
 run_test 'verify gzip format' 'gunzip --test trash/test.tar.gz'
-run_test 'untar' 'tar -xf trash/test.tar.gz -C trash'
+run_test 'untar' '
+	rm -rf trash/foo &&
+	tar -xf trash/test.tar.gz -C trash
+'
 
 run_test 'count files' '
 	c=$(ls -1 trash/foo/ | wc -l) &&
diff --git a/ui-snapshot.c b/ui-snapshot.c
index 966a140..7a597ff 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -82,7 +82,13 @@ static int make_snapshot(const struct cgit_snapshot_format *format,
 		return 1;
 	}
 	memset(&args, 0, sizeof(args));
-	args.base = fmt("%s/", prefix);
+	if (prefix) {
+		args.base = fmt("%s/", prefix);
+		args.baselen = strlen(prefix) + 1;
+	} else {
+		args.base = "";
+		args.baselen = 0;
+	}
 	args.tree = commit->tree;
 	args.time = commit->date;
 	ctx.page.mimetype = xstrdup(format->mimetype);