$ git clone -n https://src.fedoraproject.org/rpms/crash.git /var/lib/mock/f31-build-66836-29946/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/f31-build-66836-29946/root/chroot_tmpdir/scmroot/crash'...
$ git reset --hard baf793872d4573f49b658a262bbb31ad9626b96b
Checking out files:  45% (10/22)   
Checking out files:  50% (11/22)   
Checking out files:  54% (12/22)   
Checking out files:  59% (13/22)   
Checking out files:  63% (14/22)   
Checking out files:  68% (15/22)   
Checking out files:  72% (16/22)   
Checking out files:  77% (17/22)   
Checking out files:  81% (18/22)   
Checking out files:  86% (19/22)   
Checking out files:  90% (20/22)   
Checking out files:  95% (21/22)   
Checking out files: 100% (22/22)   
Checking out files: 100% (22/22), done.
HEAD is now at baf7938 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild