xinitrc, setup: Overhaul of X session handling.

[profile] / setup

#! /bin/bash

set -e

umask 002

sub=
mkdir -p $HOME$sub

: ${REPO=http://ftp.distorted.org.uk/ftp/pub/mdw/profile}

export PATH=/usr/local/bin:$HOME$sub/bin:/usr/bin:/usr/ccs/bin:/bin

### Sort out command line
xstuff= false=
while [ $# -gt 0 ]; do
  case "$1" in
    -x) xstuff=t;;
    -n) false=false;;
    --) shift; break;;
    -*) echo >&2 "$0: bad option"; exit 1;;
    *) break;;
  esac
  shift
done

### Find out where I am
here=$(pwd)

### Suss out how to print things
out=$(echo -n "foo"; echo "bar")
if [ "$out" = "foobar" ]; then
  echon="echo -n"
  echoc=""
else
  echon="echo"
  echoc='\c'
fi

### Create the necessary directories
echo "Creating directories..."
for i in bin lib/emacs src; do
  $echon "  $i:$echoc"
  if [ -d $HOME$sub/$i ]; then
    echo " already exists."
  else
    mkdir -p $HOME$sub/$i
    echo " done."
  fi
done
echo "	all done."

### Find out how to fetch things over the net
$echon "Finding URL fetcher:$echoc"
if curl >/dev/null 2>&1 --version || [ $? -eq 2 ]; then
  GETURL="curl -fs -o"
  echo " curl."
elif wget >/dev/null 2>&1 --version; then
  GETURL="wget -q -O"
  echo " wget."
else
  echo " failed!"
  echo >&2 "$0: failed to find URL fetcher"
  exit 1
fi

### Install necessary things
echo "Installing useful scripts..."

scripts="
  lesspipe.sh start-ssh-agent svnwrap"
for script in $scripts; do
  $echon "  $script:$echoc"
  found=
  for p in /bin /usr/bin /usr/local/bin $(echo $PATH | tr : ' '); do
    if $false [ -x $p/$script ]; then
      found=t
      break
    fi
  done
  if [ "$found" ]; then
    echo " already installed."
  else
    $echon " downloading$echoc"
    $GETURL $HOME$sub/bin/$script $REPO/$script
    chmod +x $HOME$sub/bin/$script
    echo " done."
  fi
done

echo "	all done."

### Install some more complicated programs
echo "Installing packages..."
systems="
  mlib:2.0.4:crc-mktab
  chkpath:1.1.0:tmpdir
"
[ "$xstuff" ] && systems="$systems
  xtoys:1.4.0:xatom
"
for system in $systems; do
  set -- $(echo $system | tr : ' ')
  sys=$1 ver=$2 prog=$3
  $echon "  $sys:$echoc"
  if $false $prog >/dev/null 2>&1 --version; then
    echo " already installed."
  else
    ( set -e
      $echon " downloading$echoc"
      cd $HOME$sub/src
      rm -rf $sys-$ver.tar.gz $sys-$ver
      $GETURL $sys-$ver.tar.gz $REPO/$sys-$ver.tar.gz
      $echon " unpacking$echoc"
      gzip -cd $sys-$ver.tar.gz | tar xf -
      $echon " configuring$echoc"
      cd $sys-$ver
      mkdir build
      cd build
      ../configure --prefix=$HOME$sub >>buildlog 2>&1
      $echon " building$echoc"
      make >>buildlog 2>&1
      $echon " installing$echoc"
      make install >>buildlog 2>&1
      echo " done."
    )
  fi
done
echo "	all done."

### Install global configuration
echo -n "Installing dotfile configuration:"
if [ -f $HOME$sub/.mdw.conf ]; then
  echo " already installed."
else
  cp mdw.conf $HOME$sub/.mdw.conf
  echo " done."
fi

### Symlink the various dotfiles into place
dotfiles="
  bash_profile bash_logout bashrc inputrc bash_completion
  emacs emacs-calc vm
  vimrc mg
  mailrc signature
  gitconfig cgrc tigrc
  gdbinit
  guile
  lisp-init.lisp:.cmucl-init.lisp
    lisp-init.lisp:.sbclrc
    lisp-init.lisp:.clisprc.lisp
    lisp-init.lisp:.eclrc
  dircolors colordiffrc screenrc cvsrc indent.pro"
[ "$xstuff" ] && dotfiles="$dotfiles
  xinitrc xsession Xdefaults vncrc vncsession
  putty-defaults:.putty/sessions/Default%20Settings
  e-keybindings.cfg:.enlightenment/keybindings.cfg
  evnc-keybindings.cfg:.enlightenment-vnc/keybindings.cfg
  e16-bindings:.e16/bindings.cfg
  e16-config:.e16/e_config--1.0.cfg
  jue-peek.jpg:.enlightenment/backgrounds/jue-peek.jpg
  jue-peek.jpg:.e16/backgrounds/jue-peek.jpg"
echo "Installing dotfiles..."
for d in $dotfiles; do
  target=.$d
  case $d in
    *:*) target=${d#*:} d=${d%%:*};;
  esac
  ft=$HOME$sub/$target
  dir=${ft%/*}
  mkdir -p $dir
  ln -s $here/$d $ft.new
  mv $ft.new $ft
  echo "  $target"
done
echo "	all done."

### Install useful scripts included in this package
scripts="
  mdw-editor
  movemail-hack
  emerge-hack"
[ "$xstuff" ] && scripts="$scripts
  xrun
  xshutdown"
echo "Installing scripts..."
mkdir -p $HOME$sub/bin
for s in $scripts; do
  ft=$HOME$sub/bin/$s
  ln -s $here/$s $ft.new
  mv $ft.new $ft
  echo "  $s"
done
echo "	all done."

### Set up the Emacs config
$echon "Finding a suitable emacs:$echoc"
emacs=no
for i in emacs22 emacs21 emacs; do
  if type -p >/dev/null $i; then
    emacs=$i
    break
  fi
done
if [ $emacs = no ]; then
  echo " failed."
  emacs=:
else
  echo " $emacs."
fi

echo "Installing Emacs packages..."
emacspkg="
  make-regexp
  git git-blame vc-git stgit
  quilt"
for elib in $emacspkg; do
  $echon "  $elib:$echoc"
  if $false $emacs >/dev/null 2>&1 --no-site-file --batch --eval '
       (progn
	 (setq load-path (nconc load-path (list "~/lib/emacs")))
	 (kill-emacs (condition-case nil
			 (progn (load-library "'"$elib"'") 0)
		       (error 1))))'; then
    echo " already installed."
  else
    $echon " downloading$echoc"
    $GETURL $HOME$sub/lib/emacs/$elib.el $REPO/$elib.el
    $echon " compiling$echoc"
    (cd $HOME$sub/lib/emacs;
      $emacs >/dev/null 2>&1 --no-site-file --batch \
	--eval '(byte-compile-file "'"$elib.el"'")')
    echo " done."
  fi
done
echo "	all done."

$echon "Setting up Emacs configuration:$echoc"
$echon " linking$echoc"
for link in dot-emacs.el:dot-emacs.el emacs-Makefile:Makefile; do
  set -- $(echo $link | tr : ' ')
  from=$1 to=$2
  ln -s $here/$from $HOME$sub/lib/emacs/$to.new
  mv $HOME$sub/lib/emacs/$to.new $HOME$sub/lib/emacs/$to
done
$echon " compiling$echoc"
make >/dev/null 2>&1 -C $HOME$sub/lib/emacs EMACS=$emacs
echo " done."