git-sh-setup.sh: add variable to use the stuck-long mode

diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt
index ee9e134e949201f0fbcb342207b8951ef2f41052..c2908db76317c91cf5502065e9c4bf1d97da19bd 100644 (file)
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -148,6 +148,10 @@ Supported commands: 'list', 'fetch'.
 +
 Supported commands: 'list', 'import'.
 
+'check-connectivity'::
+       Can guarantee that when a clone is requested, the received
+       pack is self contained and is connected.
+
 If a helper advertises 'connect', Git will use it if possible and
 fall back to another capability if the helper requests so when
 connecting (see the 'connect' command under COMMANDS).
@@ -181,6 +185,12 @@ applicable refspec takes precedence.  The left-hand of refspecs
 advertised with this capability must cover all refs reported by
 the list command.  If no 'refspec' capability is advertised,
 there is an implied `refspec *:*`.
++
+When writing remote-helpers for decentralized version control
+systems, it is advised to keep a local copy of the repository to
+interact with, and to let the private namespace refs point to this
+local repository, while the refs/remotes namespace is used to track
+the remote repository.
 
 'bidi-import'::
        This modifies the 'import' capability.
@@ -275,6 +285,9 @@ Optionally may output a 'lock <file>' line indicating a file under
 GIT_DIR/objects/pack which is keeping a pack until refs can be
 suitably updated.
 +
+If option 'check-connectivity' is requested, the helper must output
+'connectivity-ok' if the clone is self-contained and connected.
++
 Supported if the helper has the "fetch" capability.
 
 'push' +<src>:<dst>::
@@ -421,6 +434,16 @@ set by Git if the remote helper has the 'option' capability.
        must not rely on this option being set before
        connect request occurs.
 
+'option check-connectivity' \{'true'|'false'\}::
+       Request the helper to check connectivity of a clone.
+
+'option cloning \{'true'|'false'\}::
+       Notify the helper this is a clone request (i.e. the current
+       repository is guaranteed empty).
+
+'option update-shallow \{'true'|'false'\}::
+       Allow to extend .git/shallow if the new refs require it.
+
 SEE ALSO
 --------
 linkgit:git-remote[1]