Ensure remove apt-update cache at the beginning and end of the scripts (#210)

* remove apt lists

* bump versions

2 files changed, 12 insertions, 5 deletions

diff --git a/src/github-cli/devcontainer-feature.json b/src/github-cli/devcontainer-feature.json
index 597291d..3108a69 100644
--- a/src/github-cli/devcontainer-feature.json
+++ b/src/github-cli/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "github-cli",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "name": "GitHub CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/github-cli",
     "description": "Installs the GitHub CLI. Auto-detects latest version and installs needed dependencies.",
diff --git a/src/github-cli/install.sh b/src/github-cli/install.sh
index 22ed040..5f59d01 100755
--- a/src/github-cli/install.sh
+++ b/src/github-cli/install.sh
@@ -17,6 +17,9 @@ keyserver hkp://keyserver.pgp.com"
 
 set -e
 
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
     exit 1
@@ -141,8 +144,10 @@ receive_gpg_keys() {
 
 apt_get_update()
 {
-    echo "Running apt-get update..."
-    apt-get update -y
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
 }
 
 # Checks if packages are installed and installs them if not
@@ -209,8 +214,7 @@ export DEBIAN_FRONTEND=noninteractive
 # Install curl, apt-transport-https, curl, gpg, or dirmngr, git if missing
 check_packages curl ca-certificates apt-transport-https dirmngr gnupg2
 if ! type git > /dev/null 2>&1; then
-    apt_get_update
-    apt-get -y install --no-install-recommends git
+    check_packages git
 fi
 
 # Soft version matching
@@ -236,3 +240,6 @@ else
     rm -rf "/tmp/gh/gnupg"
     echo "Done!"
 fi
+
+# Clean up
+rm -rf /var/lib/apt/lists/*