TEST INSTANCE of openSUSE Build Service

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File call-podman of Package build

#!/bin/bash

export BUILD_DIR=${BUILD_DIR:-/usr/lib/build}

BUILD_ROOT=
IS_UNSHARED=

cleanup_and_exit() {
    test -z "$1" && set 0
    if test -n "$2" ; then 
	if test "$1" -ne 0 ; then 
	    echo "$2" >&2
	else
	    echo "$2"
	fi
    fi   
    exit $1
}

while test -n "$1" ; do
    case "$1" in
	--root)
	    BUILD_ROOT="$2"
	    shift 2
	    ;;
	--isunshared)
	    IS_UNSHARED=true
	    shift
	    ;;
	*)
	    break
	    ;;
    esac
done

if test -z "$IS_UNSHARED" ; then
    echo "Unsharing environment"
    # unshare mounts and network
    exec unshare -m -n $BUILD_DIR/call-podman --isunshared --root "$BUILD_ROOT" "$@"
    cleanup_and_exit 1 "exec unshare returned"
fi

if test -n "$IS_UNSHARED" ; then
    # make mounts private
    mount --make-rprivate /

# create loopback interface
    if test -x /sbin/ip ; then
	ip addr add 127.0.0.1/8 dev lo
	ip addr add ::1/128 dev lo
	ip link set lo up
    elif test -x /sbin/ifconfig ; then
        ifconfig lo 127.0.0.1 up
        ifconfig lo add ::1/128
    fi   
fi

# setup cgroups
if test "$BUILD_ROOT" != '/' ; then
    test -d /sys/fs/cgroup || cleanup_and_exit 1 "/sys/fs/cgroup does not exist"

# make build root a mount point
    mount --rbind --make-private "$BUILD_ROOT" "$BUILD_ROOT"
    mount --make-rprivate "$BUILD_ROOT"

# mount /sys
    if ! test -e $BUILD_ROOT/sys/block; then
	mkdir -p $BUILD_ROOT/sys
	mount -n -tsysfs sys $BUILD_ROOT/sys
    fi
    # bind mount cgroups
    mount --rbind /sys/fs/cgroup "$BUILD_ROOT/sys/fs/cgroup"
    mount --make-rslave "$BUILD_ROOT/sys/fs/cgroup"
    export DOCKER_RAMDISK=true
fi

# setup mounts
test -e "$BUILD_ROOT/proc/self" || mount -n -tproc none $BUILD_ROOT/proc

# If the host kernel defaults to cgroupsv2, podman tries to run `crun` instead, even if not available.
# As a workaround, force use of runc.
RUNTIME_OPT=""
[ -x "$BUILD_ROOT/usr/bin/crun" ] || RUNTIME_OPT="--runtime runc"

# run the command
exec chroot "$BUILD_ROOT" podman $RUNTIME_OPT --cgroup-manager=cgroupfs "$@"

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File call-podman of Package build

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