git-fetch: exit with non-zero status when fast-forward check fails

diff --git a/path.c b/path.c
index db8905f3c352592124b2f0bda18fc0ccd048528e..d2c076d7cbad3a16a002897d926cc13633be4f77 100644 (file)
--- a/path.c
+++ b/path.c
@@ -13,9 +13,15 @@
 #include "cache.h"
 #include <pwd.h>
 
-static char pathname[PATH_MAX];
 static char bad_path[] = "/bad-path/";
 
+static char *get_pathname(void)
+{
+       static char pathname_array[4][PATH_MAX];
+       static int index;
+       return pathname_array[3 & ++index];
+}
+
 static char *cleanup_path(char *path)
 {
        /* Clean it up */
@@ -31,6 +37,7 @@ char *mkpath(const char *fmt, ...)
 {
        va_list args;
        unsigned len;
+       char *pathname = get_pathname();
 
        va_start(args, fmt);
        len = vsnprintf(pathname, PATH_MAX, fmt, args);
@@ -43,6 +50,7 @@ char *mkpath(const char *fmt, ...)
 char *git_path(const char *fmt, ...)
 {
        const char *git_dir = get_git_dir();
+       char *pathname = get_pathname();
        va_list args;
        unsigned len;
 
@@ -271,7 +279,7 @@ int adjust_shared_perm(const char *path)
                            : 0));
        if (S_ISDIR(mode))
                mode |= S_ISGID;
-       if (chmod(path, mode) < 0)
+       if ((mode & st.st_mode) != mode && chmod(path, mode) < 0)
                return -2;
        return 0;
 }