$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server.git /var/lib/mock/f38-build-side-42-init-devel-686876-26759/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-686876-26759/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server'...
$ git fetch origin 901ce7dbfa622c3f2598004ef6fdb4feb63f5ab6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server
 * [new ref]         901ce7dbfa622c3f2598004ef6fdb4feb63f5ab6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 901ce7d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild