$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Compile.git /var/lib/mock/f39-build-1439545-32263/root/chroot_tmpdir/scmroot/perl-Test-Compile
Cloning into '/var/lib/mock/f39-build-1439545-32263/root/chroot_tmpdir/scmroot/perl-Test-Compile'...
$ git fetch origin 884282f4c8306db744c2dbf5884219d549137f7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Compile
 * [new ref]         884282f4c8306db744c2dbf5884219d549137f7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 884282f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild