Copy from master to staging.

action.yml

@@ -45,7 +45,7 @@ runs:
       shell: bash
 
     - id: load-cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/cache-apt-pkgs
         key: cache-apt-pkgs_${{ env.CACHE_KEY }}

install_and_cache_pkgs.sh

@@ -39,21 +39,22 @@ for package in ${normalized_packages}; do
   # Comma delimited name:ver pairs in the main requested packages manifest.
   manifest_main="${manifest_main}${package_name}:${package_ver},"
 
-  all_packages="$(apt-get install --dry-run --yes "${package_name}" | grep "^Inst" | awk '{print $2}')"
-  dep_packages="$(echo ${all_packages} | grep -v "${package_name}" | tr '\n' ,)"
-  if "${dep_packages}" == ","; then
-    dep_packages="none";
+  read dep_packages < <(get_dep_packages "${package_name}")
+  if test -z "${dep_packages}"; then
+    dep_packages_text="none";
+  else
+    dep_packages_text="${dep_packages}"
   fi
 
   log "- ${package_name}"
   log "  * Version: ${package_ver}"
-  log "  * Dependencies: ${dep_packages}"
+  log "  * Dependencies: ${dep_packages_text}"
   log "  * Installing..."
   # Zero interaction while installing or upgrading the system via apt.
-  sudo DEBIAN_FRONTEND=noninteractive apt-get --yes install "${package}" > /dev/null
+  sudo DEBIAN_FRONTEND=noninteractive apt-get --yes install "${package_name}" > /dev/null
   echo "done."
 
-  for cache_package in ${all_packages}; do
+  for cache_package in ${package_name}:${package_ver} ${dep_packages}; do
     cache_filepath="${cache_dir}/${cache_package}.tar.gz"
 
     if test ! -f "${cache_filepath}"; then
@@ -65,7 +66,7 @@ for package in ${normalized_packages}; do
           if test -f $f || test -L $f; then echo "${f:1}"; fi;  #${f:1} removes the leading slash that Tar disallows
         done | 
         xargs tar -czf "${cache_filepath}" -C /      
-      log "done (compressed size $(du -k "${cache_filepath}" | cut -f1))."
+      log "done (compressed size $(du -h "${cache_filepath}" | cut -f1))."
     fi
 
     # Comma delimited name:ver pairs in the all packages manifest.

lib.sh

@@ -9,9 +9,17 @@ function normalize_package_list {
   echo "${sorted}"  
 }
 
+# Gets a package list of dependencies as common delimited pairs
+#   <name>:<version>,<name:version>...
+function get_dep_packages {  
+  echo $(apt-get install --dry-run --yes "${1}" | \
+    grep "^Inst" | sort | awk '{print $2 $3}' | \
+    tr '(' ':' | grep -v "${1}:")
+}
+
 # Split fully qualified package into name and version
 function get_package_name_ver {
-  IFS=\= read name ver <<< "${1}"
+  IFS=\: read name ver <<< "${1}"
   # If version not found in the fully qualified package value.
   if test -z "${ver}"; then
     ver="$(grep "Version:" <<< "$(apt show ${name})" | awk '{print $2}')"