$ git clone -n https://src.fedoraproject.org/rpms/rubygem-rmagick.git /var/lib/mock/f41-build-819865-151952/root/chroot_tmpdir/scmroot/rubygem-rmagick
Cloning into '/var/lib/mock/f41-build-819865-151952/root/chroot_tmpdir/scmroot/rubygem-rmagick'...
$ git fetch origin 61f54a2cc939975b386f7f52851a83d0ce0350b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-rmagick
 * [new ref]         61f54a2cc939975b386f7f52851a83d0ce0350b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61f54a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild