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BootStrap: docker
From: almalinux:8
%post
# Set build time env variable
NOW=`date`
echo "export NOW=\"${NOW}\"" >> $SINGULARITY_ENVIRONMENT
# Install build dependencies
dnf -y install cryptsetup gcc git golang libseccomp-devel libuuid-devel make rpm-build wget
# Build/Install alien package converter
dnf -y install 'dnf-command(config-manager)'
dnf config-manager --set-enabled powertools
dnf -y install epel-release perl
dnf -y install debhelper dpkg-dev fakeroot
dnf -y install alien
%runscript
uname -r
cat /etc/centos-release
echo "Container created: $NOW"
echo "Singularity build target: $* "
export EL_VERSION=8
export VERSION=$*
export TMP_DIR=$(mktemp -d -u -p .)
curl -L -o singularity-${VERSION}.tar.gz https://github.com/sylabs/singularity/releases/download/v${VERSION}/singularity-${VERSION}.tar.gz
rpmbuild --define "_topdir `pwd`/${TMP_DIR}" -tb singularity-${VERSION}.tar.gz
cp ./${TMP_DIR}/RPMS/x86_64/singularity-${VERSION}-1.el${EL_VERSION}.x86_64.rpm .
fakeroot alien singularity-${VERSION}-1.el${EL_VERSION}.x86_64.rpm
chmod -R 777 ./${TMP_DIR}
rm -rf ./${TMP_DIR}
rm singularity-${VERSION}.tar.gz
%help
SUMMARY
This is a build container that generates installable singularity packages for singularity v3.x.x .
The container will output a deb and rpm in the current directory.
KNOWN BUGS
Some versions of singularity contain the character 'v', such as v3.0.0.
The container will have to be rebuilt with the following statement modified:
curl -L -o singularity-${VERSION}.tar.gz https://github.com/sylabs/singularity/releases/download/v${VERSION}/singularity-${VERSION}.tar.gz
USAGE
./build-singularity.sif {version}
./build-singularity.sif 3.7.2
CHANGELOG
v1.0.1
changed PowerTools -> powertools
removed manual alien build for rpm package
v1.0.0
initial release
%labels
Author chrismmaggio
Version 1.0.1
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