setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when ..

diff --git a/pager.c b/pager.c
index 070dc11cb0c85abf07763de46a82e73dde6bded2..27d4c8a17aa17bb2cf31484227073e1a3204c17f 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -150,7 +150,8 @@ int check_pager_config(const char *cmd)
        struct strbuf key = STRBUF_INIT;
        const char *value = NULL;
        strbuf_addf(&key, "pager.%s", cmd);
-       if (!git_config_get_value(key.buf, &value)) {
+       if (git_config_key_is_valid(key.buf) &&
+           !git_config_get_value(key.buf, &value)) {
                int b = git_config_maybe_bool(key.buf, value);
                if (b >= 0)
                        want = b;