#:key
(ref '(branch . "master"))
recursive?
+ (check-out? #t)
starting-commit
(log-port (%make-void-port "w"))
(cache-directory
REF is pair whose key is [branch | commit | tag | tag-or-commit ] and value
the associated data: [<branch name> | <sha1> | <tag name> | <string>].
-When RECURSIVE? is true, check out submodules as well, if any."
+When RECURSIVE? is true, check out submodules as well, if any.
+
+When CHECK-OUT? is true, reset the cached working tree to REF; otherwise leave
+it unchanged."
(define canonical-ref
;; We used to require callers to specify "origin/" for each branch, which
;; made little sense since the cache should be transparent to them. So
;; Note: call 'commit-relation' from here because it's more efficient
;; than letting users re-open the checkout later on.
- (let* ((oid (switch-to-ref repository canonical-ref))
+ (let* ((oid (if check-out?
+ (switch-to-ref repository canonical-ref)
+ (object-id
+ (resolve-reference repository canonical-ref))))
(new (and starting-commit
(commit-lookup repository oid)))
(old (and starting-commit