#!/bin/sh

#===========================================================================
# This script creates the AMG directory structure and repository links.
#
# To checkout from a specific date use the following -d"2/10/1995"
#===========================================================================


umask 027

EXIT="no"

#=============================================================================
#
# Set up directory locations
#
#=============================================================================

if [ ! "$AMG_SRC" ]; then
  echo "Error: set the AMG_SRC environment variable"
  EXIT=yes
fi

if [ ! "$AMG_REP" ]; then
  echo "Error: set the AMG_REP environment variable"
  EXIT=yes
elif [ ! -d "$AMG_REP" ]; then
  echo "Error: directory AMG_REP = $AMG_REP does not exist"
  EXIT=yes
fi

if [ "$EXIT" = "yes" ]; then
  exit 1
fi


#=======================================================
# Define the AMG_SRC directory structure:
#=======================================================

DIRS=""

DIRS="$DIRS \
  amg \
  config \
  lib \
  port \
  tools"

DIRS="$DIRS \
  port/seq"

#=======================================================
# Create the directory structure:
#=======================================================

echo "Creating the directory structure"

# top level directory
if [ ! -d "$AMG_SRC" ]; then
  mkdir $AMG_SRC
fi

# subdirectories
for i in $DIRS
do
  if [ ! -d "$AMG_SRC/$i" ]; then
    mkdir $AMG_SRC/$i	
  fi
done

#=======================================================
# Create the repository links
#=======================================================

echo "Creating the repository links"

# top level directory link
if [ -d "$AMG_REP/src/RCS" ]; then
  if [ ! -d "$AMG_SRC/RCS" ]; then
    ln -s $AMG_REP/src/RCS $AMG_SRC/RCS
  fi
fi

# subdirectory links
for i in $DIRS
do
  if [ -d "$AMG_REP/src/$i/RCS" ]; then
    if [ ! -d "$AMG_SRC/$i/RCS" ]; then
      ln -s $AMG_REP/src/$i/RCS $AMG_SRC/$i/RCS
    fi
  fi
done

#=======================================================
# Check out the repository source
#=======================================================

if [ -f "$AMG_SRC/RCS/rcs_files,v" ]; then
  (cd $AMG_SRC/; co $* -q rcs_files; co $* -q `cat rcs_files`)
else
  (cd $AMG_SRC/; co $* -q RCS/*)
fi

for i in $DIRS
do
  echo "Checking out $i"
  if [ -f "$AMG_SRC/$i/RCS/rcs_files,v" ]; then
    (cd $AMG_SRC/$i; co $* -q rcs_files; co $* -q `cat rcs_files`)
  else
    (cd $AMG_SRC/$i; co $* -q RCS/*)
  fi
done

#=======================================================
# Set group to amg
#=======================================================

find $AMG_SRC \( \! -name RCS \) -print | xargs chgrp amg
find $AMG_SRC \( \! -name RCS \) -print | xargs chmod ug+rX
find $AMG_SRC \( \! -name RCS \) -print | xargs chmod o-rwx