client: lib_docker: add CLI version for all platforms

Prints meaningful output of all dependencies and their respective versions.

client/src/docker/lib/internal/lib_docker.bash

@@ -320,4 +320,94 @@ function lib_docker::__edit()
   $EDITOR "${_paths[@]}"
 }
 
+function lib_docker::__version()
+{
+  [ -z "${DOCKER_FINANCE_VERSION}" ] && lib_utils::die_fatal
+  [ -z "${DOCKER_FINANCE_CLIENT_REPO}" ] && lib_utils::die_fatal
+
+  #
+  # `docker-finance` version
+  #
+
+  local _hash
+  if pushd "$DOCKER_FINANCE_CLIENT_REPO" 1>/dev/null; then
+    _hash="$(git log --pretty='format:%h' -n 1)"
+    popd 1>/dev/null || lib_utils::die_fatal
+  else
+    lib_utils::die_fatal
+  fi
+
+  echo
+  echo -e "docker-finance v${DOCKER_FINANCE_VERSION} | commit: $_hash"
+  echo -e "───────────────────────────────────────"
+
+  #
+  # Client dependencies
+  #
+
+  echo
+  echo "client.system:"
+
+  echo -e \\t"$(uname -rmo)"
+  echo -e \\t"$(bash --version | head -n1)"
+  echo -e \\t"$(sed --version | head -n1)"
+
+  echo
+  echo "client.docker:"
+
+  echo -e \\t"$(docker compose version)"
+  docker version \
+    | while read _line; do
+      echo -e \\t"${_line}"
+    done
+
+  #
+  # Container dependencies
+  #
+
+  [ -z "$global_platform" ] && lib_utils::die_fatal
+
+  # Feed dependency manifest (client is not bind-mounted for security reasons)
+  local _manifest
+  _manifest="$(<${DOCKER_FINANCE_CLIENT_REPO}/client/docker-finance.yaml)"
+
+  case "$global_platform" in
+    # NOTE: uses variable "callback"
+    archlinux)
+      _platform="$global_platform"
+      _image="finance"
+      _pkg="pacman -Q \$_package"
+      ;;
+    ubuntu | dev-tools)
+      if [[ "$global_platform" =~ ^ubuntu$|^dev-tools$ ]]; then
+        _platform="ubuntu"
+        _image="finance"
+        [[ "$global_platform" == "dev-tools" ]] && _image="dev-tools"
+      fi
+      _pkg="dpkg -s \$_package | grep -E \"(^Package:|^Version:)\" | cut -d' ' -f2 | paste -s | awk '{print \$1 \" \" \$2}'"
+      ;;
+    *)
+      lib_utils::die_fatal "unsupported platform"
+      ;;
+  esac
+
+  lib_docker::__run "
+    echo '${_manifest}' \\
+      | shyaml keys container.${_platform}.${_image} \\
+      | while read _key; do
+          echo -e \\\ncontainer.${_platform}.${_image}.\${_key}:
+          echo '${_manifest}' | shyaml get-values container.${_platform}.${_image}.\${_key}.packages 2>/dev/null \\
+          | while read _package; do
+              echo -e \\\t\$($_pkg)
+            done
+          echo '${_manifest}' | shyaml get-values container.${_platform}.${_image}.\${_key}.commands 2>/dev/null \\
+          | while read _command; do
+              echo -e \\\t\$(\$_command)
+            done
+        done
+    echo"
+
+  return $?
+}
+
 # vim: sw=2 sts=2 si ai et