$ git clone -n https://src.fedoraproject.org/rpms/perl-TryCatch.git /var/lib/mock/f41-build-816846-150454/root/chroot_tmpdir/scmroot/perl-TryCatch
Cloning into '/var/lib/mock/f41-build-816846-150454/root/chroot_tmpdir/scmroot/perl-TryCatch'...
$ git fetch origin 3a16b202d878419b25b9be1468aaaac0b6de7495:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-TryCatch
 * [new ref]         3a16b202d878419b25b9be1468aaaac0b6de7495 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a16b20 Perl 5.40 rebuild