#!/bin/csh
#
# This is run from the chroot via fastbulk, which has CDd
# into a particular pkgsrc directory and wants us to build it.
# The script is run as /tmp/track/dobuild

set logname = "$argv[1]"

# We do not want to interfere with builds of other versions
# of the same package, use a temporary lock file to prevent a
# conflict.
#
if ( $#argv == 1 ) then
	set pkgwild = "`bmake show-var VARNAME=PKGWILDCARD`.lck"
	set pkgname = "`bmake show-var VARNAME=PKGNAME`"

	if ( -f /usr/pkgsrc/packages/All/${pkgname}.tgz ) then
		if ( -f /tmp/logs/good/$logname ) then
		    rm -f /tmp/logs/run/$logname
		    echo "FASTBULK QUICK ${logname}: `date`" \
			>> /tmp/logs/good/$logname
		    echo "FASTBULK: Package already exists, will not build" \
			>> /tmp/logs/good/$logname
		else
		    echo "FASTBULK: Package already exists, will not build"
		endif
		exit 0
	endif

	mkdir -p /tmp/track/locks
	echo "FASTBULK START ${argv[1]}: `date`"
	lockf "/tmp/track/locks/$pkgwild" /tmp/track/dobuild ${argv[1]} "$pkgwild"
	if ( $status == 0 ) then
		echo "FASTBULK SUCCESS ${argv[1]}: `date`"
		exit 0
	else
		echo "FASTBULK FAILURE ${argv[1]}: `date`"
		find /var/db/pkg/$pkgname -name '*.core' -delete
		rmdir /var/db/pkg/$pkgname >& /dev/null
		exit 1
	endif
endif

# Get the package name and clean up any garbage that might
# interfere with the build.
#
set pkgname = "`bmake show-var VARNAME=PKGNAME`"
set pkgwild = "$argv[2]"
unsetenv PKG_PATH

# Make sure /var/db/pkg/ does not have any .core files messing it up,
# remove the recorded installation if it becomes empty.
#
find /var/db/pkg/$pkgname -name '*.core' -delete
rmdir /var/db/pkg/$pkgname >& /dev/null

# Check if already installed, prevent overwrite of
# previous run's logfile if it exists, by deleting
# the current run file.  Else put in a simple logfile.
#
pkg_info -q -e $pkgname
if ( $status == 0 ) then
    if ( -f /tmp/logs/good/$logname ) then
	rm -f /tmp/logs/run/$logname
    endif
    echo "(already installed from previous run)"
    exit 0
endif

# Delete potential conflicts
#
pkg_delete -r "$pkgwild"

# If we already have a binary package just install
# it.
#
if ( -f /usr/pkgsrc/packages/All/${pkgname}.tgz ) then
    echo "(found in /usr/pkgsrc/packages)"
    bmake deinstall DEINSTALLDEPENDS=ALL SKIP_LICENSE_CHECK=yes
    setenv PKG_PATH /usr/pkgsrc/packages/All
    echo "pkg_add -f ${pkgname}"
    pkg_add -f ${pkgname}
    exit $status
endif

# We need to build the package.
#
# Delete any conflicting installed packages or the one we want to build
# will refuse to build.  The binary package files are left intact.
#
foreach i ( `bmake show-var VARNAME=CONFLICTS` )
    echo "DELETING CONFLICTING PACKAGE: $i"
    pkg_delete -r "$i"
end

# If the dist file checksum fails and the dist file is over
# 4 hours old we re-download it.
#

set dollar = '$'
set distfiles = "`bmake -V '${dollar}{DISTFILES}'`"
bmake checksum SKIP_LICENSE_CHECK=yes
if ( $status != 0 ) then
    echo "Deleting distfiles ( $distfiles ) if over 4h old"
    foreach dfile ( $distfiles )
	find /usr/pkgsrc/distfiles -name "$dfile" -mtime +4h -delete
    end
endif

# To ensure a clean build deinstall anything that
# may cause our build repackage to fail.
#
# Clean after repackaging to keep the work topology footprint small.
#
# We create a binary package and then pkg_add it.
#
bmake deinstall DEINSTALLDEPENDS=ALL SKIP_LICENSE_CHECK=yes
bmake repackage SKIP_LICENSE_CHECK=yes
if ( $status == 0 ) then
    bmake clean SKIP_LICENSE_CHECK=yes
    setenv PKG_PATH /usr/pkgsrc/packages/All
    echo "pkg_add -f ${pkgname}"
    pkg_add -f ${pkgname}
    if ( $status != 0 ) then
	if ( -f ${PKG_PATH}/${pkgname}.tgz ) then
	    echo "FASTBULK WARNING: Cannot install due to probable conflicts"
	    echo "                  but the binary package DID build."
	    echo "                  Exiting w/code 0 to mark as successful."
	else
	    exit 1
	endif
    endif
    exit 0
endif

# comment this bmake out if you want to keep the work dir
# for failed builds.
#
bmake clean SKIP_LICENSE_CHECK=yes
exit 1