$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-TempDir-Tiny.git /var/lib/mock/f39-build-1435208-31977/root/chroot_tmpdir/scmroot/perl-Test-TempDir-Tiny
Cloning into '/var/lib/mock/f39-build-1435208-31977/root/chroot_tmpdir/scmroot/perl-Test-TempDir-Tiny'...
$ git fetch origin f6210b08dcaa8a2b16ad767236a1b376819a09b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-TempDir-Tiny
 * [new ref]         f6210b08dcaa8a2b16ad767236a1b376819a09b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6210b0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild