[PATCH] clean: use warning_errno() when appropriate

[Nguyễn Thái Ngọc Duy]

All these warning() calls are preceded by a system call. Report the
actual error to help the user understand why we fail to remove
something.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 builtin/clean.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/builtin/clean.c b/builtin/clean.c
index d6bc3aaaea..dc1168747e 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -175,7 +175,7 @@ static int remove_dirs(struct strbuf *path, const char 
*prefix, int force_flag,
                res = dry_run ? 0 : rmdir(path->buf);
                if (res) {
                        quote_path_relative(path->buf, prefix, &quoted);
-                       warning(_(msg_warn_remove_failed), quoted.buf);
+                       warning_errno(_(msg_warn_remove_failed), quoted.buf);
                        *dir_gone = 0;
                }
                return res;
@@ -209,7 +209,7 @@ static int remove_dirs(struct strbuf *path, const char 
*prefix, int force_flag,
                                string_list_append(&dels, quoted.buf);
                        } else {
                                quote_path_relative(path->buf, prefix, &quoted);
-                               warning(_(msg_warn_remove_failed), quoted.buf);
+                               warning_errno(_(msg_warn_remove_failed), 
quoted.buf);
                                *dir_gone = 0;
                                ret = 1;
                        }
@@ -231,7 +231,7 @@ static int remove_dirs(struct strbuf *path, const char 
*prefix, int force_flag,
                        *dir_gone = 1;
                else {
                        quote_path_relative(path->buf, prefix, &quoted);
-                       warning(_(msg_warn_remove_failed), quoted.buf);
+                       warning_errno(_(msg_warn_remove_failed), quoted.buf);
                        *dir_gone = 0;
                        ret = 1;
                }
@@ -982,7 +982,7 @@ int cmd_clean(int argc, const char **argv, const char 
*prefix)
                        res = dry_run ? 0 : unlink(abs_path.buf);
                        if (res) {
                                qname = quote_path_relative(item->string, NULL, 
&buf);
-                               warning(_(msg_warn_remove_failed), qname);
+                               warning_errno(_(msg_warn_remove_failed), qname);
                                errors++;
                        } else if (!quiet) {
                                qname = quote_path_relative(item->string, NULL, 
&buf);
-- 
2.11.0.157.gd943d85