mash

#!/usr/bin/env sh
# $Id$
#
# This script is a simple wrapper that will run Mash with the most appropriate
# php executable it can find.
#
# Solaris users: Add /usr/xpg4/bin to the head of your PATH
#

# Get the absolute path of this executable
SELF_DIRNAME="`dirname -- "$0"`"
SELF_PATH="`cd -P -- "$SELF_DIRNAME" && pwd -P`/`basename -- "$0"`"

# Resolve symlinks - this is the equivalent of "readlink -f", but also works with non-standard OS X readlink.
while [ -h "$SELF_PATH" ]; do
    # 1) cd to directory of the symlink
    # 2) cd to the directory of where the symlink points
    # 3) Get the pwd
    # 4) Append the basename
    DIR="`dirname -- "$SELF_PATH"`"
    SYM="`readlink $SELF_PATH`"
    SYM_DIRNAME="`dirname -- "$SYM"`"
    SELF_PATH="`cd "$DIR" && cd "$SYM_DIRNAME" && pwd`/`basename -- "$SYM"`"
done

# Build the path to mash.php.
SCRIPT_PATH="`dirname "$SELF_PATH"`/mash.php"
case "`uname -a`" in
  CYGWIN*)
    SCRIPT_PATH="`cygpath -w -a -- "$SCRIPT_PATH"`" ;;
esac

# If not exported, try to determine and export the number of columns.
# We do not want to run `tput cols` if $TERM is empty or "dumb", because
# if we do, tput will output an undesirable error message to stderr.  If
# we redirect stderr in any way, e.g. `tput cols 2>/dev/null`, then the
# error message is suppressed, but tput cols becomes confused about the
# terminal and prints out the default value (80).
if [ -z $COLUMNS ] && [ -n "$TERM" ] && [ "$TERM" != dumb ] && [ ! -z "`which tput`" ] ; then
  # Note to cygwin users: install the ncurses package to get tput command.
  if COLUMNS="`tput cols`"; then
    export COLUMNS
  fi
fi

if [ ! -z "$MASH_PHP" ] ; then
  # Use the MASH_PHP environment variable if it is available.
  php="$MASH_PHP"
else
  # Default to using the php that we find on the PATH.
  # Note that we need the full path to php here for Dreamhost, which behaves oddly.  See http://drupal.org/node/662926
  php="`which php`"

  # We check for a command line (cli) version of php, and if found use that.
  php-cli -v >/dev/null 2>&1
  if [ "$?" = 0 ] ; then
    php="`which php-cli`"
  fi

  # On MSYSGIT, we need to use "php", not the full path to php
  # See http://drupal.org/node/1659014 for an explanation of the comparison op.
  if [ ! -z "$MSYSTEM" ] && [ "x${MSYSTEM}" != "x${MSYSTEM#MINGW}" ] ; then
    php="php"
  fi
fi

# Check to see if the user has provided a php.ini file or mash.ini file in any conf dir
# Last found wins, so search in reverse priority order
for conf_dir in "`dirname "$SELF_PATH"`" /etc/mash $HOME/.mash ; do
  if [ -f "$conf_dir/php.ini" ] ; then
    mash_php_ini=$conf_dir/php.ini
  fi
  if [ -f "$conf_dir/mash.ini" ] ; then
    mash_php_override=$conf_dir/mash.ini
  fi
done

# Add in the php file location and/or the php override variables as appropriate
if [ "x$mash_php_ini" != "x" ] ; then
  php_options="--php-ini $mash_php_ini"
fi
if [ "x$mash_php_override" != "x" ] ; then
  php_options=`grep '^[a-z_A-Z0-9]\+ *=' $mash_php_override | sed -e 's|\([^ =]*\) *= *\(.*\)|\1="\2"|' -e 's| ||g' -e 's|^|-d |' | tr '\n\r' '  '`
fi

# Pass in the path to php so that mash knows which one
# to use if it re-launches itself to run subcommands.  We
# will also pass php options if any are defined.
if [ -z "$php_options" ] ; then
  exec "$php" $php_options "$SCRIPT_PATH" --php="$php" "$@"
else
  exec "$php" $php_options "$SCRIPT_PATH" --php="$php" --php-options="$php_options" "$@"
fi