Re: packages (retry)

#!/bin/sh
#
# Copyleft 2015 Erich Titl ([email protected])
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.

################################################################################

program=`basename $0`

usage () {
	echo usage: $program release_name master_dir
	echo
}

cleanup_failure() {
	echo cleaning up...
	git checkout master
	git branch -d $1
	git reset --hard
	rm -rf i386 rpi X86_64
	rm -f version
	exit 255
}

bailout_missing() {
	echo there are at least $missing objects missing in the master path  && \
	echo you will need to add these objects before $program can succeed && \
	echo some log output before this message should be more specific && \
	echo && exit 255
}

# run it
clear
echo running $program with parameters $*
echo

[ $# -lt 2 ] && usage && exit 255

################################################################################
# check for the existence of master_dir
# and set MASTER to that path
[ ! -d $2 ] && echo cannot find master directory $2 && usage && exit 255

NEW_BRANCH=$1
MASTER=$2

################################################################################
# check for the existence of kernel, initmod and modules files in master_dir
# this is only done for i386 architecture right now, needs to be extended
missing=0
ARCH=i386

for subarch in i486 geode i686
do
	current=$MASTER/$ARCH/linux*$subarch
	[ ! -f $current ] && \
		echo there is no kernel file for $subarch in directory $MASTER available... && \
		missing=$((missing + 1)) 
	current=$MASTER/$ARCH/initmod*$subarch.lrp
	[ ! -f $current ] && \
		echo there is no initmod file for $subarch in directory $MASTER available... && \
		missing=$((missing + 1)) 
	current=$MASTER/$ARCH/modules-$subarch.sqfs
	[ ! -f $current ] && \
		echo missing $current && \
		echo there is no modules repository for $subarch in directory $MASTER available... && \
		missing=$((missing + 1)) 
done

################################################################################

[ $missing -ne 0 ] && bailout_missing

################################################################################

echo I checked as far as I could, now starting to build the upgrade branch 

################################################################################
# first make a suitable branch and switch to it
git checkout -b $NEW_BRANCH
[ $? -ne 0 ] && echo problem building new branch $NEW_BRANCH && exit 255

################################################################################
# now we are in a new branch
# remove everything except the master directory 
# this very program and the tools directory

for i in `ls`
do
	case $i in 
		$MASTER | $program | tools)
				echo skip $i it is in the delete_mask
				;;
		*)		echo delete $i
				rm -rf $i
				;;
	esac
done

# move all the directories in the master dir up one level
# then remove the master
################################################################################
for i in i386 rpi X86_64
do
	mv $MASTER/$i .
	[ $? -ne 0 ] && echo moving of the directories in $MASTER failed && cleanup_failure $NEW_BRANCH
	git add $i
done

# also remove the master directory in the current branch
################################################################################
rmdir $MASTER
[ $? -ne 0 ] && echo removing $MASTER failed && cleanup_failure $NEW_BRANCH

# we need to get rid of the overspecified information within the directories
# so we remove all version specific info from the kernel filenames
################################################################################
for subarch in i486 geode i686
do
	current=$ARCH/linux*$subarch
	mv $current $ARCH/linux-$subarch
	[ $? -ne 0 ] && echo renaming $current failed && cleanup_failure $NEW_BRANCH
	git add $ARCH/linux-$subarch
done

# register the new version in the version file of the new branch
################################################################################
echo $NEW_BRANCH > version
git add version

# give the user a chance to read the messages on the screen 
################################################################################

echo
echo
echo "If you continue here the changes made by $program will be committed" 
echo "to branch $NEW_BRANCH".
echo -n "Do you wish to continue? Y/N (N) " 
read ans 

case $ans in 
	Y | Yes | y | yes)
		echo proceeding to commit
		;;
	*) 
		echo "discarding all changes made by $(program)"
		cleanup_failure $NEW_BRANCH
esac

# now commit the changes 
################################################################################
#git commit -a --dry-run -m "$program built branch $NEW_BRANCH from $MASTER" --short
git commit -a -m "$program built branch $NEW_BRANCH from $MASTER" 
[ $? -ne 0 ] && echo committing $NEW_BRANCH failed && cleanup_failure $NEW_BRANCH
git checkout master

clear
echo
echo $program committed changes in $NEW_BRANCH
echo $program successfully terminated

exit 0