t/README: start testing porcelainish

diff --git a/git.c b/git.c
index 159fec008b55932c67f2a2ce2b5c112ead959b96..ca8961f0732bacc4efdb3afe9abc2e829ff69ee5 100644 (file)
--- a/git.c
+++ b/git.c
@@ -100,7 +100,7 @@ static int split_cmdline(char *cmdline, const char ***argv)
 
 static int handle_alias(int *argcp, const char ***argv)
 {
-       int nongit = 0, ret = 0;
+       int nongit = 0, ret = 0, saved_errno = errno;
        const char *subdir;
 
        subdir = setup_git_directory_gently(&nongit);
@@ -138,6 +138,8 @@ static int handle_alias(int *argcp, const char ***argv)
        if (subdir)
                chdir(subdir);
 
+       errno = saved_errno;
+
        return ret;
 }