t/README: start testing porcelainish

[git.git] / git.c

diff --git a/git.c b/git.c
index 94505c9a902125c753c12c0ec8e6fc8268a4271c..ca8961f0732bacc4efdb3afe9abc2e829ff69ee5 100644 (file)
--- a/git.c
+++ b/git.c
@@ -16,7 +16,8 @@
 
 static void prepend_to_path(const char *dir, int len)
 {
-       char *path, *old_path = getenv("PATH");
+       const char *old_path = getenv("PATH");
+       char *path;
        int path_len = len;
 
        if (!old_path)
@@ -99,7 +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);
@@ -137,6 +138,8 @@ static int handle_alias(int *argcp, const char ***argv)
        if (subdir)
                chdir(subdir);
 
+       errno = saved_errno;
+
        return ret;
 }