feat(24.10): add gzip dpkg and tar

slices/dpkg.yaml

@@ -0,0 +1,59 @@
+package: dpkg
+
+essential:
+  - dpkg_copyright
+
+slices:
+  bins:
+    essential:
+      - dpkg_config
+      - dpkg_var
+      - libbz2-1.0_libs
+      - libc-bin_ldconfig
+      - libc6_libs
+      - liblzma5_libs
+      - libmd0_libs
+      - libselinux1_libs
+      - libzstd1_libs
+      - tar_tar
+      - zlib1g_libs
+    contents:
+      /usr/bin/dpkg:
+      /usr/bin/dpkg-deb:
+      /usr/bin/dpkg-divert:
+      /usr/bin/dpkg-maintscript-helper:
+      /usr/bin/dpkg-query:
+      /usr/bin/dpkg-realpath:
+      /usr/bin/dpkg-split:
+      /usr/bin/dpkg-statoverride:
+      /usr/bin/dpkg-trigger:
+      /usr/bin/update-alternatives:
+      /usr/libexec/dpkg/*:
+      /usr/sbin/start-stop-daemon:
+
+  copyright:
+    contents:
+      /usr/share/doc/dpkg/copyright:
+
+  config:
+    contents:
+      /etc/dpkg/dpkg.cfg:
+      /etc/dpkg/dpkg.cfg.d/:
+
+  locales:
+    essential:
+      - dpkg_bins
+    contents:
+      /usr/share/locale/**/dpkg.mo:
+
+  tables:
+    contents:
+      /usr/share/dpkg/*table:
+
+  var:
+    # Directories that are included in the tarball because they need to exist in /var
+    contents:
+      /var/lib/dpkg/alternatives/:
+      /var/lib/dpkg/info/:
+      /var/lib/dpkg/parts/:
+      /var/lib/dpkg/updates/:

slices/gzip.yaml

@@ -0,0 +1,29 @@
+package: gzip
+
+essential:
+  - gzip_copyright
+
+slices:
+  bins:
+    essential:
+      - dpkg_bins
+      - libc6_libs
+    contents:
+      /usr/bin/gunzip:
+      /usr/bin/gzexe:
+      /usr/bin/gzip:
+      /usr/bin/uncompress:
+      /usr/bin/zcat:
+      /usr/bin/zcmp:
+      /usr/bin/zdiff:
+      /usr/bin/zegrep:
+      /usr/bin/zfgrep:
+      /usr/bin/zforce:
+      /usr/bin/zgrep:
+      /usr/bin/zless:
+      /usr/bin/zmore:
+      /usr/bin/znew:
+
+  copyright:
+    contents:
+      /usr/share/doc/gzip/copyright:

slices/libc-bin.yaml

@@ -8,6 +8,13 @@ slices:
     contents:
       /etc/nsswitch.conf: {copy: /usr/share/libc-bin/nsswitch.conf}
 
+  ldconfig:
+    essential:
+      - dash_bins
+    contents:
+      /usr/sbin/ldconfig:
+      /usr/sbin/ldconfig.real:
+
   locale:
     contents:
       /usr/lib/locale/C.utf8/LC_ADDRESS:

slices/tar.yaml

@@ -0,0 +1,31 @@
+package: tar
+
+essential:
+  - tar_copyright
+
+slices:
+  bins:
+    essential:
+      - tar_rmt
+      - tar_tar
+    contents:
+      /usr/sbin/tarcat:
+
+  copyright:
+    contents:
+      /usr/share/doc/tar/copyright:
+
+  rmt:
+    essential:
+      - libc6_libs
+    contents:
+      /etc/rmt: {symlink: /usr/sbin/rmt-tar}
+      /usr/sbin/rmt-tar:
+
+  tar:
+    essential:
+      - libacl1_libs
+      - libc6_libs
+      - libselinux1_libs
+    contents:
+      /usr/bin/tar:

tests/spread/integration/dpkg/task.yaml

@@ -0,0 +1,12 @@
+summary: Integration tests for dpkg
+
+execute: |
+  # Chisel a minimum number of slices to give us a runnable system that we can
+  # test in.
+  rootfs="$(install-slices coreutils_bins diffutils_bins dpkg_bins)"
+
+  # Get a sample deb file to install. Contains no dependencies or install scripts.
+  wget -P "${rootfs}/" http://archive.ubuntu.com/ubuntu/pool/main/l/lsb-release-minimal/lsb-release_12.1-1_all.deb
+
+  # Run a smoke test for dpkg to ensure that it does not throw an error
+  chroot "${rootfs}/" dpkg --install ./lsb-release_12.1-1_all.deb

tests/spread/integration/gzip/task.yaml

@@ -0,0 +1,20 @@
+summary: Integration tests for gzip
+
+systems:
+  - -ubuntu-24.04-ppc64le
+  - -ubuntu-24.04-s390x
+
+execute: |
+  rootfs="$(install-slices gzip_bins)"
+
+  echo "this is a test text file that we will compress using gzip" > "${rootfs}"/test.txt
+  chroot "${rootfs}" gzip -k test.txt
+
+  # store original for comparison
+  mv "${rootfs}"/test.txt "${rootfs}"/test.original
+
+  # decompress the original file
+  chroot "${rootfs}" gzip -d test.txt.gz
+
+  # ensure that the files are identical
+  cmp "${rootfs}"/test.txt "${rootfs}"/test.original

tests/spread/integration/tar/task.yaml

@@ -0,0 +1,33 @@
+summary: Integration tests for tar
+
+execute: |
+  # Chisel a minimum number of slices to give us a runnable system that we can
+  # test in.
+  rootfs="$(install-slices tar_tar)"
+
+  mkdir "${rootfs}/test"
+
+  echo "This is a test file" > "${rootfs}/test/test.txt"
+  touch --date=2020-01-01T00:00:00Z "${rootfs}/test/test.txt"
+  touch --date=2020-01-01T00:00:00Z "${rootfs}/test/"
+
+  # Create an uncompressed tarball and compare to a known hash.
+  chroot "${rootfs}/" tar -cf test.tar /test/
+  [[ $(sha256sum "${rootfs}/test.tar" | cut -d' ' -f1) == f5893661db55f15954c90dee860ee6c93042ea482c303f5f162c8078cdc79928 ]]
+
+  # Decompress back to a new directory and ensure the file is correct.
+  mkdir "${rootfs}/test-result"
+  chroot "${rootfs}/" tar -xf test.tar -C /test-result
+  [[ "$(cat ${rootfs}/test/test.txt)" == "$(cat ${rootfs}/test-result/test/test.txt)" ]]
+  # Check modification times
+  [[ $(stat -c %Y ${rootfs}/test-result/test) == 1577836800 ]]
+  [[ $(stat -c %Y ${rootfs}/test-result/test) == 1577836800 ]]
+
+  # Expect an error gzipping a tarball since gzip is not installed in the chroot.
+  ! chroot "${rootfs}/" tar -czf test.tar.gz /test/ 2| grep -q "tar (child): gzip: Cannot exec: No such file or directory"
+
+  # New environment for rmt slice.
+  rootfs="$(install-slices tar_rmt)"
+
+  # We can't really do much with rmt, so just check that the executable works.
+  chroot "${rootfs}/" rmt-tar --version