Fixed issues with setting up colored Bash prompt supporting displaying Git repository information.

Dockerfile

@@ -22,33 +22,18 @@ RUN apt-get update && apt-get install -y azure-cli
 RUN apt-get install -y zip unzip tree wget nano neovim \
     python3 python3-venv python3-pip
 
-# Configure Bash
-RUN cat <<'EOF' >> /etc/profile.d/git-prompt-helper
-# Include Git prompt helpers if available
-if [ -f /usr/lib/git-core/git-sh-prompt ]; then
-  source /usr/lib/git-core/git-sh-prompt
-
-  # Then PS1 can include __git_ps1 which is optimized and shows branch + state:
-  PS1='\[\e[32m\]AzureCLI (\[\e[35m\]${ACCOUNT_NAME}\[\e[0m\])\n\[\e[0m\]\[\e[34m\]\w\[\e[0m\]\[\e[33m\]$(__git_ps1 " (%s)")\[\e[0m\]\$ '
-fi
-
-export PATH=$HOME/bin:$PATH
-EOF
+COPY enable-git-bash-prompt /usr/local/bin/enable-git-bash-prompt
 
+# Patch the default .bashrc to enable git bash prompt
 RUN cat <<'EOF' >> /etc/skel/.bashrc
 
-if ! command -v __git_ps1 > /dev/null; then
-    source /etc/profile.d/git-prompt-helper
-fi
-EOF
-
-RUN cat <<'EOF' >> /home/ubuntu/.bashrc
-if ! command -v __git_ps1 > /dev/null; then
-    source /etc/profile.d/git-prompt-helper
+# Enable git bash prompt
+if [ -f /usr/local/bin/enable-git-bash-prompt ]; then
+  source /usr/local/bin/enable-git-bash-prompt
 fi
 EOF
 
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]
 
+ENTRYPOINT ["/entrypoint.sh"]

azure-cli

@@ -111,6 +111,16 @@ if [ ! "FOUND" = "$_FOUND" ]; then
         echo "Error: Failed to create volume $VOLUME_NAME." >&2
         exit 1
     fi
+
+    # Volume created, initialize it
+    echo "Initializing volume $VOLUME_NAME."
+    if ! $CMD run --rm -it \
+        --mount "type=volume,source=$VOLUME_NAME,target=/home/${USER_NAME}" \
+        skoszewski/azure-cli:latest --user "$USER_NAME"; then
+        echo "Error: Failed to initialize volume $VOLUME_NAME." >&2
+        exit 1
+    fi
+    echo "Volume $VOLUME_NAME initialized successfully."
 fi
 
 EXTRA_ARGS+=(
@@ -118,8 +128,9 @@ EXTRA_ARGS+=(
     "--mount" "type=bind,source=$(pwd),target=/workdir"
     "--env" "ACCOUNT_NAME=$ACCOUNT_NAME"
     "--name" "azure-cli-$VOLUME_NAME"
+    "--user" "$USER_NAME"
     "--workdir" "/workdir"
 )
 
-# Run the container
+# Run the container as the specified user
 $CMD run --rm -it ${EXTRA_ARGS[@]} $IMAGE_NAME --user "$USER_NAME" "$@"

build

@@ -1,17 +1,13 @@
 #!/usr/bin/env bash
 
 # Find container runtime
-if command -v podman &> /dev/null; then
-    CMD="podman"
-elif command -v docker &> /dev/null; then
-    CMD="docker"
+if command -v docker &> /dev/null; then
+    echo "Using Dokcer as container runtime."
+    docker buildx build -t skoszewski/azure-cli:latest .
 elif command -v container &> /dev/null; then
     # Apple container command line tool
-    CMD="container"
+    container build -t skoszewski/azure-cli:latest .
 else
     echo "Error: No usable container runtime was found." >&2
     exit 1
 fi
-
-echo "Using container runtime: $CMD"
-$CMD build -t skoszewski/azure-cli:latest .

enable-git-bash-prompt

@@ -0,0 +1,7 @@
+# Include Git prompt helpers if available
+if [ -f /usr/lib/git-core/git-sh-prompt ]; then
+  source /usr/lib/git-core/git-sh-prompt
+
+  # Then PS1 can include __git_ps1 which is optimized and shows branch + state:
+  PS1='\[\e[32m\]AzureCLI (\[\e[35m\]${ACCOUNT_NAME}\[\e[0m\])\n\[\e[0m\]\[\e[34m\]\w\[\e[0m\]\[\e[33m\]$(__git_ps1 " (%s)")\[\e[0m\]\$ '
+fi

entrypoint.sh

@@ -2,42 +2,55 @@
 
 set -e
 
-# Let's set some defaults
-SU_USER="ubuntu"
+# Setup default values
+USER_NAME="ubuntu"
 
-# Parse command line arguments
+# Parse arguments
 while [ $# -gt 0 ]; do
     case "$1" in
-        -u|--user)
-            SU_USER="$2"
+        --user|-u)
+            USER_NAME="$2"
             shift 2
             ;;
+        --)
+            # Stop parsing arguments
+            shift
+            break
+            ;;
         *)
             break
             ;;
     esac
 done
 
-# Check if the user exists
-if ! id -u "$SU_USER" >/dev/null 2>&1; then
-    useradd -m -s /usr/bin/bash "$SU_USER"
-fi
-
-# Check if the home directory exists
-if [ ! -d "/home/$SU_USER" ]; then
-    echo "A home directory for $SU_USER does not exist. Exiting."
+# Check, if we are running as root
+if [ "$(id -u)" -eq 0 ]; then
+    # Check, if the home directory exists for the specified user
+    if [ ! -d "/home/${USER_NAME}" ]; then
+        echo "Error: Home directory for user '${USER_NAME}' does not exist." >&2
         exit 1
     fi
 
-# Check user ownership of the home directory
-if [ "$(stat -c '%u' /home/$SU_USER)" -ne "$(id -u $SU_USER)" ]; then
-    # Change ownership of the home directory
-    chown $SU_USER:$SU_USER /home/$SU_USER
+    # Check, ownership of the home directory
+    OWNER_UID=$(stat -c '%u' "/home/${USER_NAME}")
+    OWNER_GID=$(stat -c '%g' "/home/${USER_NAME}")
+    if [ "${OWNER_UID}" -ne 0 ] || [ "${OWNER_GID}" -ne 0 ]; then
+        # The home directory is not owned by the specfied user, correct it
+        chown "${USER_NAME}:${USER_NAME}" "/home/${USER_NAME}"
     fi
 
-# Switch to the specified user
-if [ $# -gt 0 ]; then
-    exec su $SU_USER -c "$@"
-else
-    exec su $SU_USER
+    # Re-initialize the contents of the home directory
+    su - "${USER_NAME}" -c "cp -a /etc/skel/. /home/${USER_NAME}/"
+
+    # We are done as root, quit. The container will be re-run as the specified user.
+    exit 0
 fi
+
+# Verify that we are running as the user owning the home directory
+if [ "$(id -un)" != "${USER_NAME}" ]; then
+    echo "Error: The script must be run as user '${USER_NAME}'." >&2
+    exit 1
+fi
+
+# Run shell
+exec /usr/bin/bash "$@"