$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-Base-ModuleBuild.git /var/lib/mock/f40-build-2301296-56773/root/chroot_tmpdir/scmroot/perl-Alien-Base-ModuleBuild
Cloning into '/var/lib/mock/f40-build-2301296-56773/root/chroot_tmpdir/scmroot/perl-Alien-Base-ModuleBuild'...
$ git fetch origin 79e1bdccb12209ee69a5c0c6888e27a1b2403bda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Alien-Base-ModuleBuild
 * [new ref]         79e1bdccb12209ee69a5c0c6888e27a1b2403bda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79e1bdc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild