static const char var_usage[] = "git var [-l | <variable>]";
+static const char *editor(int flag)
+{
+ const char *pgm = git_editor();
+
+ if (!pgm && flag & IDENT_ERROR_ON_NO_NAME)
+ die("Terminal is dumb, but EDITOR unset");
+
+ return pgm;
+}
+
+static const char *pager(int flag)
+{
+ const char *pgm = git_pager();
+
+ if (!pgm)
+ pgm = "cat";
+ return pgm;
+}
+
struct git_var {
const char *name;
const char *(*read)(int);
static struct git_var git_vars[] = {
{ "GIT_COMMITTER_IDENT", git_committer_info },
{ "GIT_AUTHOR_IDENT", git_author_info },
+ { "GIT_EDITOR", editor },
+ { "GIT_PAGER", pager },
{ "", NULL },
};
static void list_vars(void)
{
struct git_var *ptr;
+ const char *val;
+
for (ptr = git_vars; ptr->read; ptr++)
- printf("%s=%s\n", ptr->name, ptr->read(0));
+ if ((val = ptr->read(0)))
+ printf("%s=%s\n", ptr->name, val);
}
static const char *read_var(const char *var)