clarify documentation for remote helpers

Signed-off-by: David Turner <dturner@twosigma.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

David Turner committed Aug 30, 2019 at 16:12 UTC 0a8bc7068f0bb780ce1f3cb27c4277daed2dbdcd
1 file changed +7 -3
Documentation/gitremote-helpers.txt
+7 -3
@@ -297,9 +297,13 @@ Supported if the helper has the "option" capability.
297 same batch are complete. Only objects which were reported
298 in the output of 'list' with a sha1 may be fetched this way.
299 +
300 -Optionally may output a 'lock <file>' line indicating a file under
301 -GIT_DIR/objects/pack which is keeping a pack until refs can be
302 -suitably updated.
300 +Optionally may output a 'lock <file>' line indicating the full path of
301 +a file under `$GIT_DIR/objects/pack` which is keeping a pack until
302 +refs can be suitably updated. The path must end with `.keep`. This is
303 +a mechanism to name a <pack,idx,keep> tuple by giving only the keep
304 +component. The kept pack will not be deleted by a concurrent repack,
305 +even though its objects may not be referenced until the fetch completes.
306 +The `.keep` file will be deleted at the conclusion of the fetch.
307 +
308 If option 'check-connectivity' is requested, the helper must output
309 'connectivity-ok' if the clone is self-contained and connected.