evolve: document the "if not shouldupdate" block
I missed the "not" in "if not shouldupdate: ... hg.updaterepo()" and
it took a long time for me to realize it's about updating *back* to
the original commit (or to its successor). Let's add a comment to
maybe help the person not make the same mistake.
#!/usr/bin/env python
import os
import sys
import subprocess
if len(sys.argv) < 2:
execname = os.path.basename(sys.argv[0])
print >> sys.stderr, "usage: %s CLIENT_ID" % execname
client_id = sys.argv[1]
subprocess.check_call(['hg', 'branch', "--force", "hammer-branch-%s" % client_id])
while True:
subprocess.check_call([
'hg', 'commit',
"--config", "ui.allowemptycommit=yes",
"--message", "hammer-%s" % client_id,
])
nodeid = subprocess.check_output([
'hg', 'log', '--rev', '.', '--template', '{node}'
])
subprocess.check_call([
'hg', 'debugobsolete', ''.join(reversed(nodeid)), nodeid
])
subprocess.check_call(['hg', 'pull'])
subprocess.check_call(['hg', 'push', '--force'])