$ git clone -n https://src.fedoraproject.org/rpms/rubygem-railties.git /var/lib/mock/f41-build-1714251-24614/root/chroot_tmpdir/scmroot/rubygem-railties
Cloning into '/var/lib/mock/f41-build-1714251-24614/root/chroot_tmpdir/scmroot/rubygem-railties'...
$ git fetch origin b725275eaaf5fe0b8eee4487be29d00cd8accf11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-railties
 * [new ref]         b725275eaaf5fe0b8eee4487be29d00cd8accf11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b725275 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild