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-rw-r--r--guix/git.scm28
-rw-r--r--po/guix/POTFILES.in1
-rw-r--r--tests/guix-build-branch.sh3
3 files changed, 30 insertions, 2 deletions
diff --git a/guix/git.scm b/guix/git.scm
index f5593ab57c..0666f0c0a9 100644
--- a/guix/git.scm
+++ b/guix/git.scm
@@ -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)
diff --git a/po/guix/POTFILES.in b/po/guix/POTFILES.in
index 74c223b283..e0da801587 100644
--- a/po/guix/POTFILES.in
+++ b/po/guix/POTFILES.in
@@ -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
diff --git a/tests/guix-build-branch.sh b/tests/guix-build-branch.sh
index 89c1a3cce0..e64782c831 100644
--- a/tests/guix-build-branch.sh
+++ b/tests/guix-build-branch.sh
@@ -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