git: 'switch-to-ref' resolves tag targets.

* guix/git.scm (switch-to-ref): In the 'tag' case, resolve the target of
the tag.
* tests/guix-build-branch.sh: Adjust test accordingly.
This commit is contained in:
Ludovic Courtès 2019-07-26 11:16:10 +02:00
parent 177fecb57c
commit 10a8c2bbc6
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2 changed files with 6 additions and 2 deletions

View file

@ -172,7 +172,11 @@ (define obj
(('tag . tag)
(let ((oid (reference-name->oid repository
(string-append "refs/tags/" tag))))
(object-lookup repository oid))))))
;; Get the commit that the tag at OID refers to. This is not
;; strictly needed, but it's more consistent to always return the
;; OID of a commit.
(object-lookup repository
(tag-target-id (tag-lookup repository oid))))))))
(reset repository obj RESET_HARD)
(object-id obj))

View file

@ -54,7 +54,7 @@ test "$v0_1_0_drv" != "$orig_drv"
v0_1_0_drv="`guix build guix --with-commit=guile-gcrypt=v0.1.0 -d`"
guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-git.v0.1.0
guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-8fe64e8 # this is the *tag* ID
guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-9e3eacd
test "$v0_1_0_drv" != "$latest_drv"
test "$v0_1_0_drv" != "$orig_drv"