+cgmem_which_prompt() {
+ local _cgmem_which
+ _cgmem_which="`cgmem_which 2>/dev/null`"
+ if [ -n "$_cgmem_which" ]; then
+ echo "[$_cgmem_which] "
+ fi
+}
+
short_curdir() {
if [ "$PWD" = / ]; then
echo /
fi
echo "${_short_curdir}"
}
+
+# bash_prompt; adapted from
+# https://github.com/necolas/dotfiles/blob/master/shell/bash_prompt and
+# http://vitus-wagner.livejournal.com/1176589.html?thread=40146189#t40146189
+
+prompt_git() {
+ local s=""
+ local branchName=""
+
+ # check if the current directory is in a git repository
+ if git rev-parse --is-inside-work-tree &>/dev/null; then
+
+ # check if the current directory is in .git before running git checks
+ if [ "$(git rev-parse --is-inside-git-dir 2> /dev/null)" == "false" ]; then
+
+ # ensure index is up to date
+ #git update-index --really-refresh -q &>/dev/null
+
+ # check for uncommitted changes in the index
+ if ! $(git diff --quiet --ignore-submodules --cached); then
+ s="$s+";
+ fi
+
+ # check for unstaged changes
+ if [ -n "$(git ls-files --modified)" ]; then
+ s="$s!";
+ fi
+
+ # check for untracked files
+ if [ -n "$(git ls-files --others --exclude-standard)" ]; then
+ s="$s?";
+ fi
+
+ # check for stashed files
+ if $(git rev-parse --verify refs/stash &>/dev/null); then
+ s="$s$";
+ fi
+
+ fi
+
+ # get the short symbolic ref
+ # if HEAD isn't a symbolic ref, get the short SHA
+ # otherwise, just give up
+ branchName="$(git symbolic-ref --quiet --short HEAD 2> /dev/null || \
+ git rev-parse --short HEAD 2> /dev/null || \
+ printf "(unknown)")"
+
+ [ -n "$s" ] && s=" [$s]"
+ printf "%s" "$branchName$s "
+ fi
+}
+
+set_prompts() {
+ OPS1=''
+ # display the user, host and current working directory
+ # in the terminal title
+ case "$TERM" in
+ *rxvt*|screen*|*term*|vt100)
+ OPS1+="\[\033]0;${debian_chroot:+($debian_chroot)}\u@\h:\w\007\]"
+ case "$TERM" in
+ screen*)
+ OPS1+="\[\033k${debian_chroot:+($debian_chroot)}"
+ OPS1+="\u@\h:\w\033\\\\\]" # Set screen/tmux caption
+ ;;
+ esac
+ ;;
+
+ *)
+ OPS1=""
+ ;;
+ esac
+
+ OPS1+="${debian_chroot:+($debian_chroot)}"
+ OPS1+="\`cgmem_which_prompt\`\u@\${HOSTNAME::5}:\`short_curdir\` "
+ OPS1+="\$(prompt_git)"
+ OPS1+="\\$\$SHLVL "
+ export OPS1
+}