$ git clone -n https://src.fedoraproject.org/rpms/perl-Inline-Struct.git /var/lib/mock/f45-build-24289-603/root/chroot_tmpdir/scmroot/perl-Inline-Struct
Cloning into '/var/lib/mock/f45-build-24289-603/root/chroot_tmpdir/scmroot/perl-Inline-Struct'...
$ git fetch origin 430fb0096302a85d4f2c9dbe46b50a013f1f1a88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Inline-Struct
 * [new ref]         430fb0096302a85d4f2c9dbe46b50a013f1f1a88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 430fb00 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild