#!/bin/bash

# $Id$

#=== MAKEFILE HEADER ===

#----------------------------------#
wrt_Makefile_header() {            #
#----------------------------------#
(
    cat << EOF
# This file is automatically generated by jhalfs
# DO NOT EDIT THIS FILE MANUALLY
#
# Generated on `date "+%F %X %Z"`


SRC            = /sources
MOUNT_PT       = $BUILDDIR
PKG_LST        = $PKG_LST
LUSER          = $LUSER
LGROUP         = $LGROUP
SCRIPT_ROOT    = $SCRIPT_ROOT
ADD_BLFS_TOOLS = $BLFS_TOOL

BASEDIR        = \$(MOUNT_PT)
SRCSDIR        = \$(BASEDIR)/sources
CMDSDIR        = \$(BASEDIR)/\$(SCRIPT_ROOT)/$PROGNAME-commands
LOGDIR         = \$(BASEDIR)/\$(SCRIPT_ROOT)/logs
TESTLOGDIR     = \$(BASEDIR)/\$(SCRIPT_ROOT)/test-logs

crCMDSDIR      = /\$(SCRIPT_ROOT)/$PROGNAME-commands
crLOGDIR       = /\$(SCRIPT_ROOT)/logs
crTESTLOGDIR   = /\$(SCRIPT_ROOT)/test-logs

SU_LUSER       = su - \$(LUSER) -c
LUSER_HOME     = /home/\$(LUSER)
PRT_DU         = echo -e "\nKB: \`du -skx --exclude=\$(SCRIPT_ROOT) --exclude=lost+found \$(MOUNT_PT) \`\n"
PRT_DU_CR      = echo -e "\nKB: \`du -skx --exclude=\$(SCRIPT_ROOT) --exclude=lost+found / \`\n"

export PATH := \${PATH}:/usr/sbin

include makefile-functions

EOF
) > $MKFILE
}

#=======================


#==== PACKAGES NAMES ===

#----------------------------------#
get_package_tarball_name() {       #
#----------------------------------#
  local script_name=`echo ${1} | sed -e 's@[0-9]\{1\}-@@'`

   # The use of 'head' is necessary to limit the return value to the FIRST match..
   # hopefully this will not cause problems.
   #
   case $script_name in
     tcl) echo $(grep "^tcl" $JHALFSDIR/pkg_tarball_list | head -n1 )
         ;;
     linux-headers)
         if [ "${PROGNAME}" = "lfs" ]; then
           # Uses kernel headers directly
           echo $(grep "^linux-[[:digit:]]" $JHALFSDIR/pkg_tarball_list | head -n1 )
         else
           # CLFS/HLFS use massaged headers package
           echo $(grep "^linux-headers-[[:digit:]]" $JHALFSDIR/pkg_tarball_list | head -n1 )
         fi
         ;;
     *)  echo $(grep "^$script_name-[[:digit:]]" $JHALFSDIR/pkg_tarball_list | head -n1 )
         ;;
   esac

}

#=======================


#==== TARGET HEADER ====

#----------------------------------#
LUSER_wrt_target() {               # Create target and initialize log file
#----------------------------------#
  local i=$1
  local PREV=$2
(
cat << EOF

$i:  $PREV
	@\$(call echo_message, Building)
	@./progress_bar.sh \$@ \$\$PPID &
	@echo "\$(nl_)\`date\`\$(nl_)" >logs/\$@
	@\$(PRT_DU) >>logs/\$@
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_wrt_target() {              # Create target and initialize log file
#----------------------------------#
  local i=$1
  local PREV=$2
  case $i in
    iteration* ) local LOGFILE="${this_script}.log" ;;
             * ) local LOGFILE="\$@"      ;;
  esac
(
cat << EOF

$i:  $PREV
	@\$(call echo_message, Building)
	@./progress_bar.sh \$@ \$\$PPID &
	@echo "\$(nl_)\`date\`\$(nl_)" >logs/$LOGFILE
	@\$(PRT_DU_CR) >>logs/$LOGFILE
EOF
) >> $MKFILE.tmp
}

#=======================


#======== UNPACK =======

#----------------------------------#
ROOT_Unpack() {                    #  An alias, for clairity
#----------------------------------#
  local FILE=$1
  local optSAVE_PREVIOUS=$2

  if [[ "${optSAVE_PREVIOUS}" != "1" ]]; then
(
cat << EOF
	@\$(call remove_existing_dirs,$FILE)
EOF
) >> $MKFILE.tmp
  fi

(
cat << EOF
	@\$(call unpack,$FILE)
	@\$(call get_pkg_root_LUSER)
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
LUSER_wrt_unpack() {               # Unpack and set 'ROOT' var
#----------------------------------#
  local FILE=$1
  local optSAVE_PREVIOUS=$2

  if [[ "${optSAVE_PREVIOUS}" != "1" ]]; then
(
cat << EOF
	@\$(call remove_existing_dirs,$FILE)
EOF
) >> $MKFILE.tmp
  fi

(
cat << EOF
	@\$(call unpack,$FILE)
	@\$(call get_pkg_root_LUSER)
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_Unpack() {                  #
#----------------------------------#
  local FILE=$1
  local optSAVE_PREVIOUS=$2

  if [ "${optSAVE_PREVIOUS}" != "1" ]; then
(
cat << EOF
	@\$(call remove_existing_dirs2,$FILE)
EOF
) >> $MKFILE.tmp
  fi
(
cat  << EOF
	@\$(call unpack3,$FILE)
	@\$(call get_pkg_root2)
EOF
) >> $MKFILE.tmp
}

#=======================


#===== TESTS LOGS ======

#----------------------------------#
LUSER_wrt_test_log() {             # Initialize testsuite log file
#----------------------------------#
  local TESTLOGFILE=$1
(
cat  << EOF
	@echo "export  TEST_LOG=$TESTLOGDIR/$TESTLOGFILE" >> envars && \\
	echo '\$(nl_)\`date\`\$(nl_)' >$TESTLOGDIR/$TESTLOGFILE
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_wrt_test_log() {            #
#----------------------------------#
  local TESTLOGFILE=$1
(
cat  << EOF
	@echo "export TEST_LOG=/\$(SCRIPT_ROOT)/test-logs/$TESTLOGFILE" >> envars && \\
	echo "\$(nl_)\`date\`\$(nl_)" >test-logs/$TESTLOGFILE
EOF
) >> $MKFILE.tmp
}

#=======================


#======== RUN AS =======

#----------------------------------#
wrt_RunAsRoot() {                  # Some scripts must be run as root..
#----------------------------------#
  local MOUNT_ENV
  local this_script=$1
  local file=$2

  case ${PROGNAME} in
    lfs   ) MOUNT_ENV="LFS" ;;
    blfs  ) MOUNT_ENV="BLFS" ;;
    clfs  ) MOUNT_ENV="CLFS" ;;
    clfs2 ) MOUNT_ENV="CLFS" ;;
    clfs3 ) MOUNT_ENV="CLFS" ;;
    hlfs  ) MOUNT_ENV="HLFS" ;;
    *) echo "undefined progname $PROGNAME"; exit 1 ;;
  esac

(
cat << EOF
	@( time { export ${MOUNT_ENV}=\$(MOUNT_PT) && ${PROGNAME}-commands/`dirname $file`/\$@ >>logs/\$@ 2>&1 ; } ) 2>>logs/\$@ && \\
	\$(PRT_DU) >>logs/\$@
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
ROOT_RunAsRoot() {                 #
#----------------------------------#
  local file=$1
(
cat << EOF
	@( time { source envars && \$(CMDSDIR)/$file >>logs/\$@ 2>&1 ; } ) 2>>logs/\$@ && \\
	\$(PRT_DU_CR) >>logs/\$@
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
LUSER_wrt_RunAsUser() {            # Execute script inside time { }, footer to log file
#----------------------------------#
  local file=$1

(
cat << EOF
	@( time { source ~/.bashrc && \$(CMDSDIR)/`dirname $file`/\$@ >> logs/\$@ 2>&1; } ) 2>> logs/\$@ && \\
	\$(PRT_DU) >> logs/\$@
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_wrt_RunAsRoot() {           #
#----------------------------------#
  local file=$1
(
cat << EOF
	@( time { source envars && \$(crCMDSDIR)/$file >>logs/\$@ 2>&1 ; } ) 2>>logs/\$@ && \\
	\$(PRT_DU_CR) >>logs/\$@
EOF
) >> $MKFILE.tmp

}

#=======================


#====== COPY FSTAB =====

#----------------------------------#
LUSER_wrt_CopyFstab() {            #
#----------------------------------#
(
cat << EOF
	@( time { cp -v \$(MOUNT_PT)/sources/fstab \$(MOUNT_PT)/etc/fstab >>logs/\$@ 2>&1 ; } ) 2>>logs/\$@
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_wrt_CopyFstab() {           #
#----------------------------------#
(
cat << EOF
	@( time { cp -v /sources/fstab /etc/fstab >>logs/\$@ 2>&1 ; } ) 2>>logs/\$@
EOF
) >> $MKFILE.tmp
}

#=======================


#==== RM BUILD DIRS ====

#----------------------------------#
LUSER_RemoveBuildDirs() {          #
#----------------------------------#
  local name=$1
(
cat << EOF
	@\$(call remove_build_dirs,$name)
EOF
) >> $MKFILE.tmp
}

#----------------------------------#
CHROOT_wrt_RemoveBuildDirs() {     #
#----------------------------------#
  local name=$1
(
cat << EOF
	@\$(call remove_build_dirs2,$name)
EOF
) >> $MKFILE.tmp
}

#=======================


#======== TOUCH ========

#----------------------------------#
wrt_touch() {                      #
#----------------------------------#
(
cat << EOF
	@\$(call housekeeping)
EOF
) >> $MKFILE.tmp
}

#=======================