If no option is selected the script will use the latest branch and it will select a pre-configured url to get the koji source rpm.
#!/bin/bash
#Check if the file contain the commit long exists
#If it does not exist create the file
if [ ! -f ./branches ]; then
touch branches
fi
if [ ! -f ./long_commit ]; then
touch long_commit
fi
# Retrieve branches from github - Retrieving branches from ls-remote instead of wget
#wget -qO- https://github.com/raspberrypi/linux | cat | grep 'data-name="rpi' | cut -d '"' -f2 > ./branches
# Delete the patches branch - Used only when using the wget way
#sed -i '$ d' ./branches
# Storing git remote head values on a file
git ls-remote https://github.com/raspberrypi/linux.git > ls_remote
# Retrieving Branches from ls_remote
# The sort is only cheking for the decimal place if a version 4.x comes out this will stop working if 3.x versions
# remain when doing a git ls-remote
cat ls_remote | grep rpi | cut -d '/' -f3 | sort -t $'.' -n -k2,2 > ./branches
# Store latest branch in a variable
branch=$(tail -1 ./branches)
# Storing url for use with wget
url=$(echo "https://github.com/raspberrypi/linux/tree/$branch/kernel")
wget -qO- $url > ./page_source
# Retrieving informacion from the git ls-remote command
#commit_date=$( cat ./page_source | grep 'committed <time class="js-relative-date"' | cut -d '"' -f6 | cut -d ' ' -f1 | cut -d '-' -f1-3 --output-delimiter='' )
commit_date=$( date +"%Y%m%d")
long_commit=$( cat ./ls_remote | grep $branch | cut -f1)
short_commit=$( echo $long_commit | cut -c 1-7)
stored_long_commit=$(cat ./long_commit)
# Finding out the %_topdir value to see where the rpmbuild directory is being created
topdir=$( rpm --eval '%{_topdir}')
# Find latest package submitted to rpfr18-updates-automated
koji_build=$( armv6-koji latest-pkg f18-rpfr-updates-automated raspberrypi-kernel | tail -1 | cut -d ' ' -f1)
# Safe to use koji URL
koji_url=$( echo "http://japan.proximity.on.ca/kojifiles/packages/raspberrypi-kernel/3.11.6/4.20131023git10bc582.rpfr19/src/raspberrypi-kernel-3.11.6-4.20131023git10bc582.rpfr19.src.rpm" )
# Usage function for the script
usage(){
echo "
usage: $0 -h | -l | -b <branch> | -k <URL>
If the -k option is not used the latest will be used
OPTIONS:
-h Shows this message
-l List Branches
-b Branch
-k Koji kernel url to download
EXAMPLE:
$0 -h
$0 -l
$0 -b 3.11.y
$0 -k http://japan.proximity.on.ca/kojifiles/packages/raspberrypi...
$0 -b 3.12.y -k http://japan.proximity.on.ca/...
"
}
# Use options to find out which version of the kernel to use
# Also added an option to list all the branches
while getopts "hlb:k:" OPTION
do
case $OPTION in
h)
usage
exit 1
;;
b)
branch=$OPTARG
;;
k)
koji_url=$OPTARG
;;
l)
cat ./branches
exit 1
;;
?)
usage
exit 1
;;
esac
done
# If the file is empty store the long_commit variable
# Otherwise compare the long commit form Github with the one in the file
# If they are the same do nothing and exit
# If they are different store the new value in the file and download the new kernel
if [ ! -s ./long_commit ]; then
echo $long_commit > ./long_commit
else
if [ "$long_commit" == "$stored_long_commit" ] ; then
#Nothing to do
flag=0
echo "There is no new kernel"
else
# Replace the old commit with new commit
echo $long_commit > ./long_commit
#Proceed to build kernel
flag=1
fi
fi
if [ $flag -eq 1 ]; then
# Download previous built kernel to retrieve some necessary files including the spec file
wget $koji_url
# Download new kernel
new_kernel_url=$(echo "https://github.com/raspberrypi/linux/tarball/$long_commit")
wget $new_kernel_url
# Create and wipe rmbuild tree of directories
rpmdev-setuptree
rpmdev-wipetree
# Extract files from source rpm downloaded from koji
rpm2cpio raspberrypi-kernel-3.11.6-4.20131023git10bc582.rpfr19.src.rpm | cpio -idmv
# Modifiying SPEC file with info from the new kernel
sed -i "s/commit_date\ .*/commit_date $commit_date/" raspberrypi-kernel.spec
sed -i "s/commit_short\ .*/commit_short $short_commit/" raspberrypi-kernel.spec
sed -i "s/commit_long\ .*/commit_long $long_commit/" raspberrypi-kernel.spec
# Copy spec file to ~/rpmbuild/SPECS
mv raspberrypi-kernel.spec $topdir/SPECS/
# Bump SPEC
rpmdev-bumpspec -c "Updated to latest commit" $topdir/SPECS/raspberrypi-kernel.spec
# Copye source files to ~/rpmbuild/SOURCES
mv first32k.bin.bz2 $topdir/SOURCES
newfile=$(echo "pidora-config-3.11.6-"$short_commit".bz2")
file=$( ls -l | grep 'pidora-config' | awk '{print $9}' )
mv $file $newfile
mv $newfile $topdir/SOURCES
mv "$long_commit" $topdir/SOURCES
# Build rpm source package
rpmbuild -bs $topdir/SPECS/raspberrypi-kernel.spec
# Send Source Package to Koji
release=$( cat ~/rpmbuild/SPECS/raspberrypi-kernel.spec | grep Release | cut -d ' ' -f9 | cut -d '.' -f1)
srcrpm=$(echo "raspberrypi-kernel-3.11.6-"$release"."$commit_date"git"$short_commit".rpfr19.src.rpm")
koji -s 'http://japan.proximity.on.ca/kojihub' build f18-rpfr-updates-automated $topdir/SRPMS/$srcrpm
fi
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