config: only read .git/config from configured repos

diff --git a/strbuf.c b/strbuf.c
index f60e2ee72ba86cbd6c66622366af4a7faf25e1a0..2c08dbb15381351ede663c1d41ebf3b6838a0c12 100644 (file)
--- a/strbuf.c
+++ b/strbuf.c
@@ -481,9 +481,15 @@ int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term)
        if (errno == ENOMEM)
                die("Out of memory, getdelim failed");
 
-       /* Restore slopbuf that we moved out of the way before */
+       /*
+        * Restore strbuf invariants; if getdelim left us with a NULL pointer,
+        * we can just re-init, but otherwise we should make sure that our
+        * length is empty, and that the result is NUL-terminated.
+        */
        if (!sb->buf)
                strbuf_init(sb, 0);
+       else
+               strbuf_reset(sb);
        return EOF;
 }
 #else