For example, on the train-dev deploy server:
debian@deploy:~$ time scap prep 1.34.0-wmf.0 22:06:42 Fetching core to /srv/mediawiki-staging/php-1.34.0-wmf.0 22:08:16 Checkout wmf/1.34.0-wmf.0 in /srv/mediawiki-staging/php-1.34.0-wmf.0 22:08:16 Unhandled error: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/scap/cli.py", line 341, in run exit_status = app.main(app.extra_arguments) File "/home/debian/.scap/plugins/prep.py", line 143, in main git.checkout(dest_dir, checkout_version) File "/usr/lib/python2.7/dist-packages/scap/git.py", line 393, in checkout git.checkout('--force', '--quiet', rev) File "/usr/lib/python2.7/dist-packages/scap/sh.py", line 1428, in __call__ return RunningCommand(cmd, call_args, stdin, stdout, stderr) File "/usr/lib/python2.7/dist-packages/scap/sh.py", line 775, in __init__ self.wait() File "/usr/lib/python2.7/dist-packages/scap/sh.py", line 793, in wait self.handle_command_exit_code(exit_code) File "/usr/lib/python2.7/dist-packages/scap/sh.py", line 816, in handle_command_exit_code raise exc ErrorReturnCode_1: RAN: /usr/bin/git checkout --force --quiet wmf/1.34.0-wmf.0 STDOUT: STDERR: error: pathspec 'wmf/1.34.0-wmf.0' did not match any file(s) known to git. 22:08:16 prep failed: <ErrorReturnCode_1> RAN: /usr/bin/git checkout --force --quiet wmf/1.34.0-wmf.0 STDOUT: STDERR: error: pathspec 'wmf/1.34.0-wmf.0' did not match any file(s) known to git. real 1m34.824s user 1m19.684s sys 0m4.632s debian@deploy:~$