Update bash PS1

This should bring the prompt for interactive Bash usage in line with the
prompt for zsh. The colors are slightly different, but the information
is the same.

1 files changed, 87 insertions, 1 deletions

diff --git a/.bashrc b/.bashrc
index b289417..e6dd4cd 100644
--- a/.bashrc
+++ b/.bashrc
@@ -1,2 +1,88 @@
+[ $DEBUG_DOTFILES ] && echo "Loading .bashrc"
 
-complete -C /usr/bin/terraform terraform
+# Load initialization
+[ $DEBUG_DOTFILES ] && echo "  Loading ~/.config/shell/init"
+source ~/.config/shell/init
+
+# Load the sources file, which in turn will source more functionality
+[ $DEBUG_DOTFILES ] && echo "  Loading ~/.config/shell/sources"
+source ~/.config/shell/sources
+
+# Set vi mode
+[ $DEBUG_DOTFILES ] && echo "  Setting vi-mode"
+set -o vi
+
+# Bind some emacs-style bindings in insert mode
+bind -m vi-insert "\C-a":beginning-of-line
+bind -m vi-insert "\C-b":backward-char
+bind -m vi-insert "\C-e":end-of-line
+bind -m vi-insert "\C-f":forward-char
+bind -m vi-insert "\C-k":kill-line
+bind -m vi-insert "\C-n":history-search-forward
+bind -m vi-insert "\C-p":history-search-backward
+bind -m vi-insert "\C-u":kill-region
+bind -m vi-insert "\C-y":yank
+
+# Configure Bash options
+[ $DEBUG_DOTFILES ] && echo "  Setting autocompletions"
+shopt -s histappend
+
+# Set up the prompt
+[ $DEBUG_DOTFILES ] && echo "  Setting PS1"
+PROMPT_COMMAND=__precmd
+
+__precmd()
+{
+	# Record exit code of previous command immediately
+	local previous_exit=$?
+
+	# Colors in the Bash prompt should be wrapped in \001 and \002,
+	# (RL_PROMPT_START_INGORE and RL_PROMPT_END_IGNORE) in order to avoid
+	# wrapping issues later in life. It is also *very* important to wrap
+	# things in double quotes for the PS1 coloring to be applied correctly!
+
+	# Set the username, hostname and path
+	PS1="\001$SHELLC_F_GREEN\002\u\001$SHELLC_RESET_COLOR_F\002"
+	PS1+="\001$SHELLC_F_LIGHTGRAY\002@\001$SHELLC_RESET_COLOR_F\002"
+	PS1+="\001$SHELLC_F_MAGENTA\002\H\001$SHELLC_RESET_COLOR_F\002"
+	PS1+="\001$SHELLC_F_LIGHTGRAY\002:\001$SHELLC_RESET_COLOR_F\002"
+	PS1+="\001$SHELLC_F_BLUE\002\w\001$SHELLC_RESET_COLOR_F\002"
+
+	# Add git status
+	if git rev-parse --is-inside-work-tree &> /dev/null
+	then
+		PS1+="\001$SHELLC_F_LIGHTGRAY\002·\001$SHELLC_RESET_COLOR_F\002"
+
+		# Set coloring of the branch name
+		if [[ "$(git status -uno --porcelain 2> /dev/null)" == "" ]]
+		then
+			PS1+="\001$SHELLC_F_GREEN\002"
+		else
+			PS1+="\001$SHELLC_F_YELLOW\002"
+		fi
+
+		# Get the branch name
+		local git_branch_name=$(git rev-parse --abbrev-ref @)
+
+		if [[ "$git_branch_name" == "HEAD" ]]
+		then
+			git_branch_name=$(git rev-parse --short HEAD 2> /dev/null)
+		fi
+
+		# Set the prompt
+		PS1+="$git_branch_name\001$SHELLC_RESET_COLOR_F\002"
+	fi
+
+	# Add the exit code of the previous command
+	PS1+="  "
+
+	if [[ $previous_exit -ne 0 ]]
+	then
+		PS1+="\001$SHELLC_F_RED\002"
+	fi
+
+	PS1+="$(printf "%03i" "$previous_exit")\001$SHELLC_RESET_COLOR_F\002"
+
+	# Final prompt character
+	PS1+=" \001$SHELLC_F_LIGHTGRAY\002»\001$SHELLC_RESET_FULL\002 \001$CURSOR_STYLE\002"
+}