git: Nicely report '--with-commit' errors.

* guix/git.scm (latest-repository-commit*): Rewrite to catch
'git-error'.
* po/guix/POTFILES.in: Add guix/git.scm.
* tests/guix-build-branch.sh: Test --with-commit errors.
This commit is contained in:
Ludovic Courtès 2018-11-30 16:41:22 +01:00 committed by Ludovic Courtès
parent b18f7234aa
commit a3d77c51bc
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3 changed files with 30 additions and 2 deletions

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@ -20,6 +20,7 @@
(define-module (guix git)
#:use-module (git)
#:use-module (git object)
#:use-module (guix i18n)
#:use-module (guix base32)
#:use-module (gcrypt hash)
#:use-module ((guix build utils) #:select (mkdir-p))
@ -206,8 +207,31 @@ Log progress and checkout info to LOG-PORT."
(branch git-checkout-branch (default "master"))
(commit git-checkout-commit (default #f)))
(define latest-repository-commit*
(store-lift latest-repository-commit))
(define* (latest-repository-commit* url #:key ref log-port)
;; Monadic variant of 'latest-repository-commit'.
(lambda (store)
;; The caller--e.g., (guix scripts build)--may not handle 'git-error' so
;; translate it into '&message' conditions that we know will be properly
;; handled.
(catch 'git-error
(lambda ()
(values (latest-repository-commit store url
#:ref ref #:log-port log-port)
store))
(lambda (key error . _)
(raise (condition
(&message
(message
(match ref
(('commit . commit)
(format #f (G_ "cannot fetch commit ~a from ~a: ~a")
commit url (git-error-message error)))
(('branch . branch)
(format #f (G_ "cannot fetch branch '~a' from ~a: ~a")
branch url (git-error-message error)))
(_
(format #f (G_ "Git failure while fetching ~a: ~a")
url (git-error-message error))))))))))))
(define-gexp-compiler (git-checkout-compiler (checkout <git-checkout>)
system target)

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@ -43,4 +43,5 @@ guix/http-client.scm
guix/nar.scm
guix/channels.scm
guix/profiles.scm
guix/git.scm
nix/nix-daemon/guix-daemon.cc

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@ -51,3 +51,6 @@ v0_1_0_drv="`guix build guix --with-commit=guile-gcrypt=9e3eacdec1d -d`"
guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-git.9e3eacd
test "$v0_1_0_drv" != "$latest_drv"
test "$v0_1_0_drv" != "$orig_drv"
if guix build guix --with-commit=guile-gcrypt=000 -d
then false; else true; fi