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manifest: add a --json output option

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Sometimes parsing JSON is easier than parsing XML, especially when
the XML format is limited (which ours is).  Add a --json option to
the manifest command to quickly emit that form.

Bug: https://crbug.com/gerrit/11743
Change-Id: Ia2bb254a78ae2b70a851638b4545fcafe8c1a76b
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/280436
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger
2020-09-02 04:31:10 -04:00
parent 160748f828
commit 23411d3f9c
2 changed files with 78 additions and 7 deletions
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30
subcmds/manifest.py
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@ -15,6 +15,8 @@
# limitations under the License.
from __future__ import print_function
import json
import os
import sys
@ -68,6 +70,10 @@ to indicate the remote ref to push changes to via 'repo upload'.
help='If in -r mode, do not write the dest-branch field. '
'Only of use if the branch names for a sha1 manifest are '
'sensitive.')
p.add_option('--json', default=False, action='store_true',
help='Output manifest in JSON format (experimental).')
p.add_option('--pretty', default=False, action='store_true',
help='Format output for humans to read.')
p.add_option('-o', '--output-file',
dest='output_file',
default='-',
@ -83,10 +89,26 @@ to indicate the remote ref to push changes to via 'repo upload'.
fd = sys.stdout
else:
fd = open(opt.output_file, 'w')
self.manifest.Save(fd,
peg_rev=opt.peg_rev,
peg_rev_upstream=opt.peg_rev_upstream,
peg_rev_dest_branch=opt.peg_rev_dest_branch)
if opt.json:
print('warning: --json is experimental!', file=sys.stderr)
doc = self.manifest.ToDict(peg_rev=opt.peg_rev,
peg_rev_upstream=opt.peg_rev_upstream,
peg_rev_dest_branch=opt.peg_rev_dest_branch)
json_settings = {
# JSON style guide says Uunicode characters are fully allowed.
'ensure_ascii': False,
# We use 2 space indent to match JSON style guide.
'indent': 2 if opt.pretty else None,
'separators': (',', ': ') if opt.pretty else (',', ':'),
'sort_keys': True,
}
fd.write(json.dumps(doc, **json_settings))
else:
self.manifest.Save(fd,
peg_rev=opt.peg_rev,
peg_rev_upstream=opt.peg_rev_upstream,
peg_rev_dest_branch=opt.peg_rev_dest_branch)
fd.close()
if opt.output_file != '-':
print('Saved manifest to %s' % opt.output_file, file=sys.stderr)