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"]