chore: update Rust LLDB extension & make extension caching work on Alpine

Signed-off-by: Georg Lauterbach <44545919+georglauterbach@users.noreply.github.com>

Author: georglauterbach

src/lang-rust/devcontainer-feature.json

@@ -1,7 +1,7 @@
 // ref: https://github.com/devcontainers/spec/blob/main/schemas/devContainerFeature.schema.json
 {
   "id": "lang-rust",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "name": "Programming Language | Rust",
   "documentationURL": "https://github.com/georglauterbach/dev-container-features/tree/main/src/rust",
   "description": "Work efficiently and effortlessly with Rust",
@@ -42,7 +42,7 @@
         // TOML language support
         "tamasfe.even-better-toml",
         // LLVM-based debugger (LLDB)
-        "vadimcn.vscode-lldb@1.11.8"
+        "vadimcn.vscode-lldb@1.12.1"
       ],
       "settings": {
         // mark the directory for build-artifacts as read-only

src/vscode-cache-extensions/devcontainer-feature.json

@@ -1,7 +1,7 @@
 // ref: https://github.com/devcontainers/spec/blob/main/schemas/devContainerFeature.schema.json
 {
   "id": "vscode-cache-extensions",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "name": "VS Code | Cache Extensions",
   "documentationURL": "https://github.com/georglauterbach/dev-container-features/tree/main/src/vscode-cache-extensions",
   "description": "Prevent superfluous (re-)installations of VS Code extensions upon container restarts",

src/vscode-cache-extensions/install.sh

@@ -1,5 +1,8 @@
 #! /bin/sh
 
+# This script uses the short flags (e.g., "-f") for commands instead of the
+# long flags (e.g. "--force") to work on Alpine and other distributions.
+
 # shellcheck disable=SC2154
 
 set -e -u
@@ -12,20 +15,20 @@ if [ -z "${_REMOTE_USER_HOME:-}" ]; then
 fi
 
 # We create the mount point and temporary directories here with the
-# correct permissions. This is especially imperative for the mount
-# point as the volume mount will cary over the _permissions_ of an
-# existing directory. We _cannot_ use `chown` here because of
+# correct permissions. This is imperative for the mount point as
+# the volume mount will cary over the _permissions_ of an existing
+# directory. We _cannot_ use `chown` here because of
 # `updateRemoteUserUID: true` in some cases, which would result in
 # a UID mismatch; hence, we need `777` as the permissions.
 for LOOP_VAR in "stable," "insiders,-insiders"; do
-  PERSISTENCE_DIR="${CACHE_MOUNT_POINT}/$(printf '%s' "${LOOP_VAR}" | cut --delimiter=, --fields=1)"
+  PERSISTENCE_DIR="${CACHE_MOUNT_POINT}/$(printf '%s' "${LOOP_VAR}" | cut -d , - 1)"
   TMP_STORAGE_DIR="${_REMOTE_USER_HOME}/.vscode-server$(printf '%s' "${LOOP_VAR}" | cut --delimiter=, --fields=2)"
 
-  mkdir --parents "${PERSISTENCE_DIR}" "${TMP_STORAGE_DIR}"
-  chmod --recursive 777 "${PERSISTENCE_DIR}" "${TMP_STORAGE_DIR}"
+  # shellcheck disable=SC2174
+  mkdir -m 777 -p "${PERSISTENCE_DIR}" "${TMP_STORAGE_DIR}"
 
   TMP_STORAGE_DIR=${TMP_STORAGE_DIR}/extensions
 
-  rm --recursive --force "${TMP_STORAGE_DIR}"
-  ln --symbolic "${PERSISTENCE_DIR}" "${TMP_STORAGE_DIR}"
+  rm -r -f "${TMP_STORAGE_DIR}"
+  ln -s "${PERSISTENCE_DIR}" "${TMP_STORAGE_DIR}"
 done