$ git clone -n https://src.fedoraproject.org/rpms/perl-POSIX-strptime.git /var/lib/mock/f41-build-815818-149783/root/chroot_tmpdir/scmroot/perl-POSIX-strptime
Cloning into '/var/lib/mock/f41-build-815818-149783/root/chroot_tmpdir/scmroot/perl-POSIX-strptime'...
$ git fetch origin ac5499ee43ba7ae7d153f6622decfa238212ed74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POSIX-strptime
 * [new ref]         ac5499ee43ba7ae7d153f6622decfa238212ed74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac5499e Perl 5.40 rebuild