$ git clone -n https://src.fedoraproject.org/rpms/perl-Package-Stash.git /var/lib/mock/f39-build-1525249-36041/root/chroot_tmpdir/scmroot/perl-Package-Stash
Cloning into '/var/lib/mock/f39-build-1525249-36041/root/chroot_tmpdir/scmroot/perl-Package-Stash'...
$ git fetch origin f27faf353de299503fa65d5d6fb297d85e724e03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Package-Stash
 * [new ref]         f27faf353de299503fa65d5d6fb297d85e724e03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f27faf3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild