submodules: allow parallel fetching, add tests and documentation

diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt
index a941dece6f1678397252a7f0e25822a84625b7ce..1d7eceaa9355bd4651bda867c998fe66ae069d1a 100644 (file)
--- a/Documentation/git-remote.txt
+++ b/Documentation/git-remote.txt
@@ -15,6 +15,7 @@ SYNOPSIS
 'git remote remove' <name>
 'git remote set-head' <name> (-a | --auto | -d | --delete | <branch>)
 'git remote set-branches' [--add] <name> <branch>...
+'git remote get-url' [--push] [--all] <name>
 'git remote set-url' [--push] <name> <newurl> [<oldurl>]
 'git remote set-url --add' [--push] <name> <newurl>
 'git remote set-url --delete' [--push] <name> <url>
@@ -58,6 +59,9 @@ remote repository.
 With `--no-tags` option, `git fetch <name>` does not import tags from
 the remote repository.
 +
+By default, only tags on fetched branches are imported
+(see linkgit:git-fetch[1]).
++
 With `-t <branch>` option, instead of the default glob
 refspec for the remote to track all branches under
 the `refs/remotes/<name>/` namespace, a refspec to track only `<branch>`
@@ -128,19 +132,36 @@ The named branches will be interpreted as if specified with the
 With `--add`, instead of replacing the list of currently tracked
 branches, adds to that list.
 
+'get-url'::
+
+Retrieves the URLs for a remote. Configurations for `insteadOf` and
+`pushInsteadOf` are expanded here. By default, only the first URL is listed.
++
+With '--push', push URLs are queried rather than fetch URLs.
++
+With '--all', all URLs for the remote will be listed.
+
 'set-url'::
 
-Changes URL remote points to. Sets first URL remote points to matching
+Changes URLs for the remote. Sets first URL for remote <name> that matches
 regex <oldurl> (first URL if no <oldurl> is given) to <newurl>. If
-<oldurl> doesn't match any URL, error occurs and nothing is changed.
+<oldurl> doesn't match any URL, an error occurs and nothing is changed.
 +
 With '--push', push URLs are manipulated instead of fetch URLs.
 +
-With '--add', instead of changing some URL, new URL is added.
+With '--add', instead of changing existing URLs, new URL is added.
++
+With '--delete', instead of changing existing URLs, all URLs matching
+regex <url> are deleted for remote <name>.  Trying to delete all
+non-push URLs is an error.
 +
-With '--delete', instead of changing some URL, all URLs matching
-regex <url> are deleted. Trying to delete all non-push URLs is an
-error.
+Note that the push URL and the fetch URL, even though they can
+be set differently, must still refer to the same place.  What you
+pushed to the push URL should be what you would see if you
+immediately fetched from the fetch URL.  If you are trying to
+fetch from one place (e.g. your upstream) and push to another (e.g.
+your publishing repository), use two separate remotes.
+
 
 'show'::