feat(24.04): add squashfs-tools

slices/liblzo2-2.yaml

@@ -0,0 +1,15 @@
+package: liblzo2-2
+
+essential:
+  - liblzo2-2_copyright
+
+slices:
+  libs:
+    essential:
+      - libc6_libs
+    contents:
+      /lib/*-linux-*/liblzo2.so.2*:
+
+  copyright:
+    contents:
+      /usr/share/doc/liblzo2-2/copyright:

slices/squashfs-tools.yaml

@@ -0,0 +1,30 @@
+package: squashfs-tools
+
+essential:
+  - squashfs-tools_copyright
+
+slices:
+  bins:
+    # adding libgcc-s1 as mksquashfs crashes without
+    # In practice, libc6 should bring it anyway, BUT, there is a circular
+    # dependency in the archives, where libc6 depends on libgcc-s1 and
+    # vice versa. We don't allow that circular dependency to exist in Chisel
+    # and libgcc-s1 already depends on libc6, so we'll have to include this
+    # line here, explicitly.
+    essential:
+      - libc6_libs
+      - libgcc-s1_libs
+      - liblz4-1_libs
+      - liblzma5_libs
+      - liblzo2-2_libs
+      - libzstd1_libs
+      - zlib1g_libs
+    contents:
+      /usr/bin/mksquashfs:
+      /usr/bin/sqfscat:
+      /usr/bin/sqfstar:
+      /usr/bin/unsquashfs:
+
+  copyright:
+    contents:
+      /usr/share/doc/squashfs-tools/copyright:

tests/spread/integration/squashfs-tools/task.yaml

@@ -0,0 +1,28 @@
+summary: Integration tests for squashfs-tools
+
+execute: |
+  rootfs="$(install-slices squashfs-tools_bins)"
+
+  # create a test folder to squash
+  mkdir -p "${rootfs}/test/dir1"
+  mkdir -p "${rootfs}/test/dir2"
+
+  echo "test file with some content" > "${rootfs}/test/dir1/text"
+  echo "second test file with some content" > "${rootfs}/test/dir2/second"
+
+  # squash it
+  chroot "${rootfs}" mksquashfs /test test.sq
+
+  # test sqfscat
+  chroot "${rootfs}" sqfscat test.sq dir1/text | grep "test file"
+
+  # unsquash it again
+  chroot "${rootfs}" unsquashfs test.sq
+
+  # compare files inside
+  cmp "${rootfs}/test/dir1/text" "${rootfs}/squashfs-root/dir1/text"
+  cmp "${rootfs}/test/dir2/second" "${rootfs}/squashfs-root/dir2/second"
+
+  # test sqfstar
+  tar -cvf test.tar "${rootfs}"/test
+  chroot "${rootfs}" sqfstar test2.squashfs < test.tar