$ git clone -n https://src.fedoraproject.org/rpms/perl-WWW-Pastebin-PastebinCom-Create.git /var/lib/mock/f45-build-27430-624/root/chroot_tmpdir/scmroot/perl-WWW-Pastebin-PastebinCom-Create
Cloning into '/var/lib/mock/f45-build-27430-624/root/chroot_tmpdir/scmroot/perl-WWW-Pastebin-PastebinCom-Create'...
$ git fetch origin 695c7b33f23d00e755f6f87a9dc3e00aa4c884af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-WWW-Pastebin-PastebinCom-Create
 * [new ref]         695c7b33f23d00e755f6f87a9dc3e00aa4c884af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 695c7b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild