$ git clone -n https://src.fedoraproject.org/rpms/perl-Device-SerialPort.git /var/lib/mock/f40-build-779823-130506/root/chroot_tmpdir/scmroot/perl-Device-SerialPort
Cloning into '/var/lib/mock/f40-build-779823-130506/root/chroot_tmpdir/scmroot/perl-Device-SerialPort'...
$ git fetch origin 11d268e7e15f40bf12918d800deacdfc5ce411ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Device-SerialPort
 * [new ref]         11d268e7e15f40bf12918d800deacdfc5ce411ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11d268e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild