[PATCH 09/15] rerere.c: report correct errno

[Nguyễn Thái Ngọc Duy]

In the first case, we should have reported the reason fopen() fails. In
the second case, fclose() might change errno but we want to report
fopen() failure.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 rerere.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rerere.c b/rerere.c
index ef9b11578f..f10c3d8ae6 100644
--- a/rerere.c
+++ b/rerere.c
@@ -487,13 +487,14 @@ static int handle_file(const char *path, unsigned char 
*sha1, const char *output
        io.input = fopen(path, "r");
        io.io.wrerror = 0;
        if (!io.input)
-               return error("Could not open %s", path);
+               return error_errno("Could not open %s", path);
 
        if (output) {
                io.io.output = fopen(output, "w");
                if (!io.io.output) {
+                       error_errno("Could not write %s", output);
                        fclose(io.input);
-                       return error("Could not write %s", output);
+                       return -1;
                }
        }
 
-- 
2.11.0.157.gd943d85