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forall: add an --ignore-missing option

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In CrOS, our infra has to deal with partial checkouts constantly
(for a variety of reasons).  To help reset back to a good state,
we run git commands via `repo forall`, but don't care about the
missing checkouts.  Add a flag so we can disambiguate between
missing repos and failing git subcommands.

Bug: https://crbug.com/1013377
Bug: https://crbug.com/1013623
Change-Id: Ie3498c6d111276c60d2ecedbba21bfa778588d50
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/241935
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
Tested-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger 2019-10-21 22:53:46 -04:00
parent d1e93dd58a
commit b466854bed
1 changed files with 7 additions and 0 deletions
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7
subcmds/forall.py
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@ -139,6 +139,9 @@ without iterating through the remaining projects.
p.add_option('-e', '--abort-on-errors', p.add_option('-e', '--abort-on-errors',
dest='abort_on_errors', action='store_true', dest='abort_on_errors', action='store_true',
help='Abort if a command exits unsuccessfully') help='Abort if a command exits unsuccessfully')
p.add_option('--ignore-missing', action='store_true',
help='Silently skip & do not exit non-zero due missing '
'checkouts')
g = p.add_option_group('Output') g = p.add_option_group('Output')
g.add_option('-p', g.add_option('-p',
@ -323,6 +326,10 @@ def DoWork(project, mirror, opt, cmd, shell, cnt, config):
cwd = project['worktree'] cwd = project['worktree']
if not os.path.exists(cwd): if not os.path.exists(cwd):
# Allow the user to silently ignore missing checkouts so they can run on
# partial checkouts (good for infra recovery tools).
if opt.ignore_missing:
return 0
if ((opt.project_header and opt.verbose) if ((opt.project_header and opt.verbose)
or not opt.project_header): or not opt.project_header):
print('skipping %s/' % project['relpath'], file=sys.stderr) print('skipping %s/' % project['relpath'], file=sys.stderr)