submodules: allow parallel fetching, add tests and documentation

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 993e3a948e475fab34c74173589a4702b9b7eced..2d06b11f25e66779e84d9762c825a5d9c0a39ee0 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1122,6 +1122,9 @@ credential.<url>.*::
        example.com. See linkgit:gitcredentials[7] for details on how URLs are
        matched.
 
+credentialCache.ignoreSIGHUP::
+       Tell git-credential-cache--daemon to ignore SIGHUP, instead of quitting.
+
 include::diff-config.txt[]
 
 difftool.<tool>.path::
@@ -2680,7 +2683,8 @@ For example, if `refs/heads/master` is specified in `transfer.hideRefs` and
 the current namespace is `foo`, then `refs/namespaces/foo/refs/heads/master`
 is omitted from the advertisements but `refs/heads/master` and
 `refs/namespaces/bar/refs/heads/master` are still advertised as so-called
-"have" lines.
+"have" lines. In order to match refs before stripping, add a `^` in front of
+the ref name. If you combine `!` and `^`, `!` must be specified first.
 
 transfer.unpackLimit::
        When `fetch.unpackLimit` or `receive.unpackLimit` are