Common option parsing for "git log --diff" and friends

diff --git a/var.c b/var.c
index 51cf86a5843acc3b6bc3d8c4be9fec0fdd0a0df5..a57a33b81ac6c9cb5ec0c833edc21bd66428d976 100644 (file)
--- a/var.c
+++ b/var.c
@@ -12,7 +12,7 @@ static const char var_usage[] = "git-var [-l | <variable>]";
 
 struct git_var {
        const char *name;
-       char *(*read)(void);
+       const char *(*read)(int);
 };
 static struct git_var git_vars[] = {
        { "GIT_COMMITTER_IDENT", git_committer_info },
@@ -24,7 +24,7 @@ static void list_vars(void)
 {
        struct git_var *ptr;
        for(ptr = git_vars; ptr->read; ptr++) {
-               printf("%s=%s\n", ptr->name, ptr->read());
+               printf("%s=%s\n", ptr->name, ptr->read(0));
        }
 }
 
@@ -35,7 +35,7 @@ static const char *read_var(const char *var)
        val = NULL;
        for(ptr = git_vars; ptr->read; ptr++) {
                if (strcmp(var, ptr->name) == 0) {
-                       val = ptr->read();
+                       val = ptr->read(1);
                        break;
                }
        }
@@ -57,6 +57,8 @@ int main(int argc, char **argv)
        if (argc != 2) {
                usage(var_usage);
        }
+
+       setup_git_directory();
        setup_ident();
        val = NULL;