$ git clone -n https://src.fedoraproject.org/rpms/perl-GooCanvas2.git /var/lib/mock/f40-build-2304564-57028/root/chroot_tmpdir/scmroot/perl-GooCanvas2
Cloning into '/var/lib/mock/f40-build-2304564-57028/root/chroot_tmpdir/scmroot/perl-GooCanvas2'...
$ git fetch origin 213c4544ebfc510b650f070a56f3137788a3c046:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-GooCanvas2
 * [new ref]         213c4544ebfc510b650f070a56f3137788a3c046 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 213c454 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild