#!/bin/sh
# /etc/profile.d/dev-perso
#
# (c) 2006-2008, mmu_man
#
# project-specific environment handling:
# - sources project-specific .profile,
# - maintains project-specific .bash_history with bigger default size,
# to avoid mixing command histories
# - pushes "cvs up -d" or "svn up" or "p4 sync" as last history command
# for quick access
# - has a nice prompt
# - lowers shell priority on BeOS to limit the effects of svn or jam on
# the gui
# - automatically completes project names on the "dev" function
# from project subfolders containing a .profile
#
# This script should be sourced by bash, either from /etc/profile
# (in /etc/profile.d/) or your own .bashrc or .profile
# after exporting DEVROOT optionally to point to the projects folder.
# 
# setup:
# - edit DRLIST below to include your own possible devroots
# (ie. where you have subfolders for your own projects)
# or export DEVROOT before sourcing dev-perso.
# - optionally force EDITOR globally (for all projects)
# - for each project create a .profile in the subfolder,
# which might include commands like the following, but can remain empty.
# usually it will just contain a "cd" to the source/trunk subfolder...
#
#	# force svn ssh user for this project
#	export SVN_SSH='ssh -l myuser'
#
#	# force CVSROOT for this project
#	export CVSROOT='...'
#
#	# change to the source tree
#	cd trunk
#	# ease use of cd
#	export CDPATH=":$PWD"
#
# Now you just have to type:
# dev h[TAB]
# to complete to "dev haiku", [RET] and you'll get the history from the
# last time you worked on it, and everything set up.


# automagically find them on different machines...
if [ -z "$DEVROOT" ]; then
	DRLIST="$HOME/devel /Data /work /Volumes/Data/devel"
	for d in $DRLIST; do
		test -d "$d" && DEVROOT="$d" && break;
	done
fi
export DEVROOT

# svn sometimes forgets about vi and wants me to use nano...
#export EDITOR=vim

dev() {
	if [ $# -lt 1 ]; then 
		#ls $DEVROOT/*/.profile | sed 's,.*/\([^/]*\)/.profile,\1,'
		for f in "$DEVROOT/"*; do test -e "$f/.profile" || continue; echo ${f##*/}; done
		return 0
	fi
	if [ "x$1" = "x--help" ]; then
		echo "setup project-specific development environment"
		echo "usage: dev [-n] [project]"
		echo "running without argument lists available projects"
		echo "-n projname initializes a new project"
		return 1
	fi
	if [ "x$1" = "x-n" -a -n "$2" ]; then
		shift
		mkdir "$DEVROOT/$1" && touch "$DEVROOT/$1/.profile"
		# fallback
	fi

	export DEVPROJ="$1"
	if [ ! -d "$DEVROOT/$1" ]; then
		echo "invalid project name '$1'"
		return 1
	fi

	# change to the project root folder
	cd "$DEVROOT/$1"

	# use a specific history file
	export HISTFILE="$DEVROOT/$1/.bash_history"
	# and bump up the history limits
	export HISTSIZE=1000
	export HISTFILESIZE=100000
	export HISTCONTROL=ignoreboth
	# and force loading the new histfile
	history -r

	# force default locale so that compiler errors and such are reported in english
	#export LC_ALL=C.UTF-8

	# set the prompt
	# cf. http://tldp.org/HOWTO/Bash-Prompt-HOWTO/
	NICEPS1='\[\033[1m\][\u@\h \w]\[\033[0m\]\$ '
	case "$TERM" in
	dumb|emacs)
		# simpler prompt
		export PS1='[\u@\h \w]\$ '
		;;
	linux)
		export PS1="$NICEPS1"
		;;
	*)
		# prompt: set window title to [project:folder] also
		#export PS1='\[\033]0;['$1':\W]\a\]\[\033[1m\][\u@\h \w]\[\033[0m\]\$ '
		#export PS1='\033]0;['$1':\W]\a\033[1m[\u@\h \w]\033[0m\$ '
		export PS1="$NICEPS1"
		export PROMPT_COMMAND='echo -en "\033]0;['$1':${PWD##*/}]\a"'
		;;
	esac

	# lower priority so background builds don't slow the GUI too much
	case "$OSTYPE" in
	beos|haiku)
		prio $$ 1
		;;
	darwin10.*)
		renice 3 $$
		;;
	linux-*)
		# linux doesn't really need it much
		#renice 3 $$
		;;
	esac

	# check for a TODO list
	for f in TODO TODO.org todo todo.org; do
		test -e "$f" && grep '^* ' "$f" | grep --color=always ' TODO ' | head -5 && break
	done

	DEVUPCMD=""

	# source the specific profile file
	# (which will likely cd to the checkout directory)
	test -f .profile && . .profile

	# if no editor defined, set one
	test -z "$EDITOR" -a -z "$SVN_EDITOR" && export EDITOR=vim
	
	# make sure the update action is the first found in history.
	test -z "$DEVUPCMD" -a -d .git && DEVUPCMD="git pull"
	test -z "$DEVUPCMD" -a -d .svn && DEVUPCMD="svn up"
	test -z "$DEVUPCMD" -a -d .bzr && DEVUPCMD="bzr update"
	test -z "$DEVUPCMD" -a -d .hg && DEVUPCMD="hg pull"
	test -z "$DEVUPCMD" -a -d CVS && DEVUPCMD="cvs up -d"
	test -z "$DEVUPCMD" -a \( -f _FOSSIL_ -o -f .fslckout \) && DEVUPCMD="fossil update"
	test -z "$DEVUPCMD" -a -n "$P4PORT" && DEVUPCMD="p4 sync"
	test -n "$DEVUPCMD" && history -s "$DEVUPCMD"

	# spice up terminal window title for git, add current branch name
	test -d .git && PROMPT_COMMAND='echo -en "\033]0;['$DEVPROJ':`git branch 2>/dev/null | sed "/^[^*]/d;s/^\*\s//"`:${PWD##*/}]\a"'
}

complete -W complete -W "$(dev)" dev

_devup_notify() {
	echo "#### $*" >&2
}

devup() {
	if [ $# -lt 1 ]; then 
		#ls $DEVROOT/*/.profile | sed 's,.*/\([^/]*\)/.profile,\1,'
		for f in "$DEVROOT/"*; do
			test -e "$f/.profile" || continue
			grep "^# AUTOUP$" "$f/.profile" > /dev/null 2>&1 || continue
			p="${f##*/}"
			_devup_notify "Updating $p..."
			devup "$p" && _devup_notify "Updated $p: OK" || (_devup_notify "Updating $p: Error: $?"; read)
		done
		return 0
	fi

	# subshell!!!
	(

	export DEVPROJ="$1"
	if [ ! -d "$DEVROOT/$1" ]; then
		echo "invalid project name '$1'"
		return 1
	fi

	# change to the project root folder
	cd "$DEVROOT/$1"

	# lower priority so background builds don't slow the GUI too much
	case "$OSTYPE" in
	beos|haiku)
		prio $$ 1
		;;
	darwin10.*)
		renice 3 $$
		;;
	linux-*)
		# linux doesn't really need it much
		#renice 3 $$
		;;
	esac

	DEVUPCMD=""

	# source the specific profile file
	test -f .profile && . .profile

	# make sure the update action is the first found in history.
	if [ -z "$DEVUPCMD" ]; then
		test -d .svn && DEVUPCMD="svn up"
		test -d .bzr && DEVUPCMD="bzr update"
		test -d .hg && DEVUPCMD="hg pull"
		test -d .git && DEVUPCMD="git pull"
		test -d CVS && DEVUPCMD="cvs up -d"
		test -n "$P4PORT" && DEVUPCMD="p4 sync"
	fi

	test -n "$DEVUPCMD" || return 7

	# run the update command...
	eval "$DEVUPCMD"

	return $?
	)

	return $?
}

complete -W complete -W "$(dev)" devup