$ git clone -n https://src.fedoraproject.org/rpms/perl-Regexp-Pattern-DefHash.git /var/lib/mock/f40-build-2308048-57273/root/chroot_tmpdir/scmroot/perl-Regexp-Pattern-DefHash
Cloning into '/var/lib/mock/f40-build-2308048-57273/root/chroot_tmpdir/scmroot/perl-Regexp-Pattern-DefHash'...
$ git fetch origin 2632e7f205cc8a6954fbd83949517c7d47e7d109:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Regexp-Pattern-DefHash
 * [new ref]         2632e7f205cc8a6954fbd83949517c7d47e7d109 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2632e7f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild