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-rw-r--r--doc/guix.texi10
-rw-r--r--guix/scripts/package.scm17
-rw-r--r--tests/guix-package.sh8
3 files changed, 33 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 25c08b9f06..4eac281a82 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2039,6 +2039,16 @@ variable, even though, taken individually, neither @file{foo} nor
@itemx -p @var{profile}
Use @var{profile} instead of the user's default profile.
+@cindex collisions, in a profile
+@cindex colliding packages in profiles
+@cindex profile collisions
+@item --allow-collisions
+Allow colliding packages in the new profile. Use at your own risk!
+
+By default, @command{guix package} reports as an error @dfn{collisions}
+in the profile. Collisions happen when two or more different versions
+or variants of a given package end up in the profile.
+
@item --verbose
Produce verbose output. In particular, emit the build log of the
environment on the standard error port.
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index d8b80efe8e..4f519e6f33 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -194,15 +194,18 @@ denote ranges as interpreted by 'matching-generations'."
(define* (build-and-use-profile store profile manifest
#:key
+ allow-collisions?
bootstrap? use-substitutes?
dry-run?)
"Build a new generation of PROFILE, a file name, using the packages
-specified in MANIFEST, a manifest object."
+specified in MANIFEST, a manifest object. When ALLOW-COLLISIONS? is true,
+do not treat collisions in MANIFEST as an error."
(when (equal? profile %current-profile)
(ensure-default-profile))
(let* ((prof-drv (run-with-store store
(profile-derivation manifest
+ #:allow-collisions? allow-collisions?
#:hooks (if bootstrap?
'()
%default-profile-hooks)
@@ -408,6 +411,8 @@ Install, remove, or upgrade packages in a single transaction.\n"))
-p, --profile=PROFILE use PROFILE instead of the user's default profile"))
(newline)
(display (G_ "
+ --allow-collisions do not treat collisions in the profile as an error"))
+ (display (G_ "
--bootstrap use the bootstrap Guile to build the profile"))
(display (G_ "
--verbose produce verbose output"))
@@ -544,6 +549,10 @@ kind of search path~%")
(lambda (opt name arg result arg-handler)
(values (alist-cons 'verbose? #t result)
#f)))
+ (option '("allow-collisions") #f #f
+ (lambda (opt name arg result arg-handler)
+ (values (alist-cons 'allow-collisions? #t result)
+ #f)))
(option '(#\s "search") #t #f
(lambda (opt name arg result arg-handler)
(values (cons `(query search ,(or arg ""))
@@ -831,13 +840,15 @@ processed, #f otherwise."
(let* ((user-module (make-user-module '((guix profiles) (gnu))))
(manifest (load* file user-module))
(bootstrap? (assoc-ref opts 'bootstrap?))
- (substitutes? (assoc-ref opts 'substitutes?)))
+ (substitutes? (assoc-ref opts 'substitutes?))
+ (allow-collisions? (assoc-ref opts 'allow-collisions?)))
(if dry-run?
(format #t (G_ "would install new manifest from '~a' with ~d entries~%")
file (length (manifest-entries manifest)))
(format #t (G_ "installing new manifest from '~a' with ~d entries~%")
file (length (manifest-entries manifest))))
(build-and-use-profile store profile manifest
+ #:allow-collisions? allow-collisions?
#:bootstrap? bootstrap?
#:use-substitutes? substitutes?
#:dry-run? dry-run?)))
@@ -856,6 +867,7 @@ processed, #f otherwise."
(define dry-run? (assoc-ref opts 'dry-run?))
(define bootstrap? (assoc-ref opts 'bootstrap?))
(define substitutes? (assoc-ref opts 'substitutes?))
+ (define allow-collisions? (assoc-ref opts 'allow-collisions?))
(define profile (or (assoc-ref opts 'profile) %current-profile))
(define transform (options->transformation opts))
@@ -894,6 +906,7 @@ processed, #f otherwise."
(show-manifest-transaction store manifest step3
#:dry-run? dry-run?)
(build-and-use-profile store profile new
+ #:allow-collisions? allow-collisions?
#:bootstrap? bootstrap?
#:use-substitutes? substitutes?
#:dry-run? dry-run?))))
diff --git a/tests/guix-package.sh b/tests/guix-package.sh
index 760a2e4c9b..aa5eaa66e7 100644
--- a/tests/guix-package.sh
+++ b/tests/guix-package.sh
@@ -60,6 +60,14 @@ test -L "$profile" && test -L "$profile-1-link"
! test -f "$profile-2-link"
test -f "$profile/bin/guile"
+# Collisions are properly flagged (in this case, 'python-wrapper' propagates
+# python@3, which conflicts with python@2.)
+if guix package --bootstrap -n -p "$profile" -i python@2 python-wrapper
+then false; else true; fi
+
+guix package --bootstrap -n -p "$profile" -i python@2 python-wrapper \
+ --allow-collisions
+
# No search path env. var. here.
guix package -p "$profile" --search-paths
guix package -p "$profile" --search-paths | grep '^export PATH='