Allow overriding colours in uxrvt palette.

[profile.git] / .bash_profile

if [ -t 0 -o "${0:0:1}" = "-" -o "$1" = "force" ]; then
  # Set up PROFILE_HOME if called outside HOME.
  if [ -z "$PROFILE_HOME" ]; then
    # BASH_SOURCE isn't available prior to bash 3.
    profile_home=${BASH_SOURCE%/*}
    [ -n "$profile_home" -a -d "$profile_home" -a ! "${profile_home:0:1}" = "/" ] && profile_home=$(readlink -f "$profile_home" 2>/dev/null)
    [ "$profile_home" = "$BASH_SOURCE" ] && profile_home=$PWD
    [ "$profile_home" = "$HOME" ] || PROFILE_HOME=$profile_home
    PROFILE_RC="$profile_home/.bash_profile"
    unset profile_home
  fi

  # Remember if nocaseglob was on.
  shopt -q nocaseglob
  nocg=$?
  # Turn it off so we source stuff in the right order.
  shopt -u nocaseglob
  # Remember if nullglob was on.
  shopt -q nullglob
  nullglob=$?
  # Turn it on so we can look in subdirectories.
  shopt -s nullglob

  # Remember LC_ALL.
  lc_all=$LC_ALL
  # Turn it off to set case-sensitive matching
  LC_ALL=C

  # Force these to come before everything else.
  required="OS.bashrc
PATH.bashrc
BECOME.bashrc"

  # Remember PATH so we can mangle it to find tsort and sed.
  path="$PATH"
  PATH=/usr/bin:/bin:/usr/ccs/bin

  # Sort all scripts by dependencies.
  PROFILE_D=${PROFILE_HOME:-~}/.profile.d
  deps=
  unsorted=
  for i in $PROFILE_D/{*/,}*.bashrc; do
    dep=$(sed -n 's/^##*[       ]*profile-required:[    ]*//p' "$i")
    i="${i##$PROFILE_D/}"
    if [ -n "$dep" ]; then
      for d in $dep; do
        deps="$deps
$d $i"
      done
    else
      unsorted="$unsorted
$i"
    fi
  done

  deps="$deps$unsorted"

  # Avoid odd number of tokens for tsort.
  n=$(echo "$deps" | wc -w)
  if [ $((n%2)) = 1 ]; then
    deps="$deps
${deps##*
}"
  fi
  sorted=$(echo "$deps" | tsort)
  if [ -n "$sorted" ]; then
    deps="$sorted"
    unset sorted
  fi
  deps="$required
$deps"

  # Restore PATH.
  PATH="$path"

  # Source them all in the right order.
  sourced=
  for i in $deps; do
    for j in $PROFILE_D/{,*/}$i; do
      [ -e "$j" ] || continue
      k="${j##$PROFILE_D/}"
      [ "${sourced/ $k /}" = "$sourced" ] || continue
      . "$j"
      sourced="$sourced $k "
      break
    done
  done

  # Maybe turn nocaseglob back on.
  [ $nocg = 0 ] && shopt -s nocaseglob
  # Maybe turn nullglob back off.
  [ $nullglob = 0 ] || shopt -u nullglob

  # Reset LC_ALL.
  LC_ALL=$lc_all

  unset i j k d n dep deps path required unsorted sourced
  unset lc_all nullglob nocg

  # Don't inherit failure from the last script.
  true
fi