92a0e60a96
Fixes <https://issues.guix.gnu.org/61853>.
Fixes a regression introduced in
68380db4c4, whereby the tarball's root
entry is now read-only, due to the creation of "profile-directory" in
the store.
* tests/guix-pack.sh: Remove and recreate $test_directory before
transformation option test.
* tests/guix-pack-relocatable.sh: Add "chmod +w $test_directory" lines
before attempts to write to it.
252 lines
9.1 KiB
Bash
252 lines
9.1 KiB
Bash
# GNU Guix --- Functional package management for GNU
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# Copyright © 2018, 2019, 2020, 2023 Ludovic Courtès <ludo@gnu.org>
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# Copyright © 2020 Eric Bavier <bavier@posteo.net>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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#
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# Test the 'guix pack --relocatable' using the external store, if any.
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#
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guix pack --version
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# 'guix pack --relocatable' requires a C compiler and libc.a, which our
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# bootstrap binaries don't provide. To make the test relatively inexpensive,
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# run it on the user's global store if possible, on the grounds that binaries
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# may already be there or can be built or downloaded inexpensively.
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storedir="`guile -c '(use-modules (guix config))(display %storedir)'`"
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localstatedir="`guile -c '(use-modules (guix config))(display %localstatedir)'`"
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NIX_STORE_DIR="$storedir"
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GUIX_DAEMON_SOCKET="$localstatedir/guix/daemon-socket/socket"
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export NIX_STORE_DIR GUIX_DAEMON_SOCKET
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if ! guile -c '(use-modules (guix)) (exit (false-if-exception (open-connection)))'
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then
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exit 77
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fi
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# Attempt to run the given command in a namespace where the store is
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# invisible. This makes sure the presence of the store does not hide
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# problems.
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run_without_store ()
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{
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if unshare -r true # Are user namespaces supported?
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then
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# Run that relocatable executable in a user namespace where we "erase"
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# the store by mounting an empty file system on top of it. That way,
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# we exercise the wrapper code that creates the user namespace and
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# bind-mounts the store.
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unshare -mrf sh -c 'mount -t tmpfs -o ro none "$NIX_STORE_DIR"; '"$*"
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else
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# Run the relocatable program in the current namespaces. This is a
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# weak test because we're going to access store items from the host
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# store.
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sh -c "$*"
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fi
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}
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# Wait for the given file to show up. Error out if it doesn't show up in a
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# timely fashion.
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wait_for_file ()
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{
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i=0
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while ! test -f "$1" && test $i -lt 20
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do
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sleep 0.3
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i=`expr $i + 1`
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done
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test -f "$1"
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}
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test_directory="`mktemp -d`"
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export test_directory
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trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
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if unshare -r true
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then
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# Test the 'userns' execution engine.
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tarball="`guix pack -R -S /Bin=bin sed`"
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(cd "$test_directory"; tar xvf "$tarball")
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chmod +w "$test_directory"
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run_without_store "$test_directory/Bin/sed" --version > "$test_directory/output"
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grep 'GNU sed' "$test_directory/output"
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# Same with an explicit engine.
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run_without_store GUIX_EXECUTION_ENGINE="userns" \
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"$test_directory/Bin/sed" --version > "$test_directory/output"
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grep 'GNU sed' "$test_directory/output"
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# Check whether the exit code is preserved.
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! run_without_store "$test_directory/Bin/sed" --does-not-exist
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chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
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else
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echo "'userns' execution tests skipped" >&2
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fi
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case "`uname -m`" in
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x86_64|i?86)
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# Try '-RR' and PRoot.
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tarball="`guix pack -RR -S /Bin=bin sed`"
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tar tvf "$tarball" | grep /bin/proot
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(cd "$test_directory"; tar xf "$tarball")
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chmod +w "$test_directory"
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run_without_store GUIX_EXECUTION_ENGINE="proot" \
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"$test_directory/Bin/sed" --version > "$test_directory/output"
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grep 'GNU sed' "$test_directory/output"
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# Now with fakechroot.
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run_without_store GUIX_EXECUTION_ENGINE="fakechroot" \
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"$test_directory/Bin/sed" --version > "$test_directory/output"
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grep 'GNU sed' "$test_directory/output"
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unset GUIX_EXECUTION_ENGINE
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chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
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if unshare -r true
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then
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# Check whether the store contains everything it should. Check
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# once when erasing $STORE_PARENT ("/gnu") and once when erasing
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# $NIX_STORE_DIR ("/gnu/store").
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tarball="`guix pack -RR -S /bin=bin bash-minimal`"
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(cd "$test_directory"; tar xf "$tarball")
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STORE_PARENT="`dirname $NIX_STORE_DIR`"
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export STORE_PARENT
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for engine in userns proot fakechroot
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do
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for i in $(guix gc -R $(guix build bash-minimal | grep -v -e '-doc$'))
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do
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unshare -mrf sh -c "mount -t tmpfs none \"$NIX_STORE_DIR\"; GUIX_EXECUTION_ENGINE=$engine $test_directory/bin/sh -c 'echo $NIX_STORE_DIR/*'" | grep $(basename $i)
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unshare -mrf sh -c "mount -t tmpfs none \"$STORE_PARENT\"; GUIX_EXECUTION_ENGINE=$engine $test_directory/bin/sh -c 'echo $NIX_STORE_DIR/*'" | grep $(basename $i)
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done
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done
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chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
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fi
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;;
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*)
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echo "skipping PRoot and Fakechroot tests" >&2
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;;
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esac
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if unshare -r true
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then
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# Check what happens if the wrapped binary forks and leaves child
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# processes behind, like a daemon. The root file system should remain
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# available to those child processes. See <https://bugs.gnu.org/44261>.
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cat > "$test_directory/manifest.scm" <<EOF
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(use-modules (guix))
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(define daemon
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(program-file "daemon"
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#~(begin
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(use-modules (ice-9 match)
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(ice-9 ftw))
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(call-with-output-file "parent-store"
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(lambda (port)
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(write (scandir (ungexp (%store-prefix)))
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port)))
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(match (primitive-fork)
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(0 (sigaction SIGHUP (const #t))
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(call-with-output-file "pid"
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(lambda (port)
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(display (getpid) port)))
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(pause)
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(call-with-output-file "child-store"
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(lambda (port)
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(write (scandir (ungexp (%store-prefix)))
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port))))
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(_ #t)))))
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(define package
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(computed-file "package"
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#~(let ((out (ungexp output)))
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(mkdir out)
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(mkdir (string-append out "/bin"))
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(symlink (ungexp daemon)
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(string-append out "/bin/daemon")))))
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(manifest (list (manifest-entry
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(name "daemon")
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(version "0")
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(item package))))
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EOF
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tarball="$(guix pack -S /bin=bin -R -m "$test_directory/manifest.scm")"
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(cd "$test_directory"; tar xf "$tarball")
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# Run '/bin/daemon', which forks, then wait for the child, send it SIGHUP
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# so that it dumps its view of the store, and make sure the child and
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# parent both see the same store contents.
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chmod +w "$test_directory"
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(cd "$test_directory"; run_without_store ./bin/daemon)
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wait_for_file "$test_directory/pid"
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kill -HUP $(cat "$test_directory/pid")
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wait_for_file "$test_directory/child-store"
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diff -u "$test_directory/parent-store" "$test_directory/child-store"
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chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
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fi
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# Ensure '-R' works with outputs other than "out".
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tarball="`guix pack -R -S /share=share groff:doc`"
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(cd "$test_directory"; tar xf "$tarball")
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test -d "$test_directory/share/doc/groff/html"
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chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
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# Ensure '-R' applies to propagated inputs. Failing to do that, it would fail
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# with a profile collision error in this case because 'python-scipy'
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# propagates 'python-numpy'. See <https://bugs.gnu.org/42510>.
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guix pack -RR python-numpy python-scipy --no-grafts -n
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# Check that packages that mix executable and support files (e.g. git) in the
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# "binary" directories still work after wrapped.
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cat >"$test_directory/manifest.scm" <<'EOF'
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(use-modules (guix) (guix profiles) (guix search-paths)
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(gnu packages bootstrap))
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(manifest
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(list (manifest-entry
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(name "test") (version "0")
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(item (file-union "test"
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`(("bin/hello"
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,(program-file
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"hello"
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#~(begin
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(add-to-load-path (getenv "HELLO_EXEC_PATH"))
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(display (load-from-path "msg"))(newline))
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#:guile %bootstrap-guile))
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("libexec/hello/msg"
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,(plain-file "msg" "42")))))
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(search-paths
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(list (search-path-specification
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(variable "HELLO_EXEC_PATH")
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(files '("libexec/hello"))
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(separator #f)))))))
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EOF
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tarball="`guix pack -RR -S /opt= -m $test_directory/manifest.scm`"
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(cd "$test_directory"; tar xvf "$tarball")
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chmod +w "$test_directory"
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( export GUIX_PROFILE=$test_directory/opt
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. $GUIX_PROFILE/etc/profile
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run_without_store "$test_directory/opt/bin/hello" > "$test_directory/output" )
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cat "$test_directory/output"
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test "`cat $test_directory/output`" = "42"
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