mkarchiso: do not place the pkglist.x86_64.txt file inside the bootstrap tarball's root.x86_64 directory

Keep it inside the archive, but separate from the `root.x86_64` directory
to avoid polluting it.

.gitlab/ci/build_archiso.sh

@@ -152,7 +152,7 @@ create_metrics() {
                     "$(du -m -- "${output}/"*.tar*(.gz|.xz|.zst) | cut -f1)"
                 printf 'bootstrap_package_count{image="%s"} %s\n' \
                     "${profile}" \
-                    "$(sort -u -- "${tmpdir}/"*/bootstrap/root.*/pkglist.*.txt | wc -l)"
+                    "$(sort -u -- "${tmpdir}/"*/bootstrap/pkglist.*.txt | wc -l)"
                 ;;
         esac
     } >"${_metrics}"

CHANGELOG.rst

@@ -11,6 +11,9 @@ Added
 Changed
 -------
 
+- Moved the ``pkglist.x86_64.txt`` file outside the bootstrap tarball's ``root.x86_64`` directly to avoid polluting the
+  root file system.
+
 Deprecated
 ----------
 

archiso/mkarchiso

@@ -33,6 +33,7 @@ arch=""
 pacman_conf=""
 packages=""
 bootstrap_packages=""
+bootstrap_parent=""
 pacstrap_dir=""
 search_filename=""
 declare -i rm_work_dir=0
@@ -1702,16 +1703,13 @@ _build_bootstrap_image() {
         *) _msg_error 'Unsupported compression!' 1 ;;
     esac
 
-    local _bootstrap_parent
-    _bootstrap_parent="$(dirname -- "${pacstrap_dir}")"
-
     [[ -d "${out_dir}" ]] || install -d -- "${out_dir}"
 
-    cd -- "${_bootstrap_parent}"
+    cd -- "${bootstrap_parent}"
 
     _msg_info "Creating bootstrap image..."
     rm -f -- "${out_dir:?}/${image_name:?}${tarball_ext}"
-    bsdtar -cf - "root.${arch}" | "${bootstrap_tarball_compression[@]}" >"${out_dir}/${image_name}${tarball_ext}"
+    bsdtar -cf - "root.${arch}" "pkglist.${arch}.txt" | "${bootstrap_tarball_compression[@]}" >"${out_dir}/${image_name}${tarball_ext}"
     _msg_info "Done!"
     du -h -- "${out_dir}/${image_name}${tarball_ext}"
     cd -- "${OLDPWD}"
@@ -1961,7 +1959,7 @@ _make_pkglist() {
     _msg_info "Creating a list of installed packages on live-enviroment..."
     case "${buildmode}" in
         "bootstrap")
-            pacman -Q --sysroot "${pacstrap_dir}" >"${pacstrap_dir}/pkglist.${arch}.txt"
+            pacman -Q --sysroot "${pacstrap_dir}" >"${bootstrap_parent}/pkglist.${arch}.txt"
             ;;
         "iso"|"netboot")
             install -d -m 0755 -- "${isofs_dir}/${install_dir}"
@@ -2024,6 +2022,7 @@ _build_buildmode_bootstrap() {
 
     # Set up essential directory paths
     pacstrap_dir="${work_dir}/${arch}/bootstrap/root.${arch}"
+    bootstrap_parent="$(dirname -- "${pacstrap_dir}")"
     [[ -d "${work_dir}" ]] || install -d -- "${work_dir}"
     install -d -m 0755 -o 0 -g 0 -- "${pacstrap_dir}"