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-rw-r--r--doc/guix.texi6
-rw-r--r--guix/scripts/pack.scm15
-rw-r--r--tests/guix-pack.sh11
3 files changed, 29 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index ae9ad0739e..873eaba490 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4927,6 +4927,12 @@ is an infinity of channel URLs and commit IDs that can lead to the same pack.
Recording such ``silent'' metadata in the output thus potentially breaks the
source-to-binary bitwise reproducibility property.
+@item --root=@var{file}
+@itemx -r @var{file}
+@cindex garbage collector root, for packs
+Make @var{file} a symlink to the resulting pack, and register it as a garbage
+collector root.
+
@item --localstatedir
@itemx --profile-name=@var{name}
Include the ``local state directory'', @file{/var/guix}, in the resulting
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index b1d1e87c57..58c6ac6148 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -724,6 +724,10 @@ please email '~a'~%")
(alist-cons 'profile-name arg result))
(_
(leave (G_ "~a: unsupported profile name~%") arg)))))
+ (option '(#\r "root") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'gc-root arg result)))
+
(option '(#\v "verbosity") #t #f
(lambda (opt name arg result)
(let ((level (string->number* arg)))
@@ -769,6 +773,9 @@ Create a bundle of PACKAGE.\n"))
--profile-name=NAME
populate /var/guix/profiles/.../NAME"))
(display (G_ "
+ -r, --root=FILE make FILE a symlink to the result, and register it
+ as a garbage collector root"))
+ (display (G_ "
-v, --verbosity=LEVEL use the given verbosity LEVEL"))
(display (G_ "
--bootstrap use the bootstrap binaries to build the pack"))
@@ -882,7 +889,8 @@ Create a bundle of PACKAGE.\n"))
(leave (G_ "~a: unknown pack format~%")
pack-format))))
(localstatedir? (assoc-ref opts 'localstatedir?))
- (profile-name (assoc-ref opts 'profile-name)))
+ (profile-name (assoc-ref opts 'profile-name))
+ (gc-root (assoc-ref opts 'gc-root)))
(run-with-store store
(mlet* %store-monad ((profile (profile-derivation
manifest
@@ -919,6 +927,11 @@ Create a bundle of PACKAGE.\n"))
#:dry-run? dry-run?)
(munless dry-run?
(built-derivations (list drv))
+ (mwhen gc-root
+ (register-root* (match (derivation->output-paths drv)
+ (((names . items) ...)
+ items))
+ gc-root))
(return (format #t "~a~%"
(derivation->output-path drv))))))
#:system (assoc-ref opts 'system))))))))
diff --git a/tests/guix-pack.sh b/tests/guix-pack.sh
index 3cd0404748..0feae6d1e8 100644
--- a/tests/guix-pack.sh
+++ b/tests/guix-pack.sh
@@ -33,6 +33,9 @@ guix pack --version
GUIX_BUILD_OPTIONS="--no-substitutes"
export GUIX_BUILD_OPTIONS
+test_directory="`mktemp -d`"
+trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
+
# Build a tarball with no compression.
guix pack --compression=none --bootstrap guile-bootstrap
@@ -42,14 +45,18 @@ out2="`guix pack --bootstrap -e '(@ (gnu packages bootstrap) %bootstrap-guile)'`
test -n "$out1"
test "$out1" = "$out2"
+# Test '--root'.
+guix pack -r "$test_directory/my-guile" --bootstrap guile-bootstrap
+test "`readlink "$test_directory/my-guile"`" = "$out1"
+guix gc --list-roots | grep "^$test_directory/my-guile$"
+rm "$test_directory/my-guile"
+
# Build a tarball with a symlink.
the_pack="`guix pack --bootstrap -S /opt/gnu/bin=bin guile-bootstrap`"
# Try to extract it. Note: we cannot test whether /opt/gnu/bin/guile itself
# exists because /opt/gnu/bin may be an absolute symlink to a store item that
# has been GC'd.
-test_directory="`mktemp -d`"
-trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
cd "$test_directory"
tar -xf "$the_pack"
test -L opt/gnu/bin