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download: add a --branch option

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This allows people to quickly create new branches when pulling down
changes rather than having to juggle the git calls themselves.

Bug: https://crbug.com/gerrit/11609
Change-Id: Ie6a4d05e9f4e9347fe7f7119c768e6446563ae65
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/259855
Reviewed-by: David Pursehouse <dpursehouse@collab.net>
Tested-by: Mike Frysinger <vapier@google.com>
This commit is contained in:
Mike Frysinger 2020-03-22 13:54:55 -04:00
parent 05097c6222
commit 78964472ad
1 changed files with 11 additions and 1 deletions
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12
subcmds/download.py
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@ -37,6 +37,8 @@ If no project is specified try to use current directory as a project.
""" """
def _Options(self, p): def _Options(self, p):
p.add_option('-b', '--branch',
help='create a new branch first')
p.add_option('-c', '--cherry-pick', p.add_option('-c', '--cherry-pick',
dest='cherrypick', action='store_true', dest='cherrypick', action='store_true',
help="cherry-pick instead of checkout") help="cherry-pick instead of checkout")
@ -119,6 +121,11 @@ If no project is specified try to use current directory as a project.
else: else:
mode = 'checkout' mode = 'checkout'
# We'll combine the branch+checkout operation, but all the rest need a
# dedicated branch start.
if opt.branch and mode != 'checkout':
project.StartBranch(opt.branch)
try: try:
if opt.cherrypick: if opt.cherrypick:
project._CherryPick(dl.commit, ffonly=opt.ffonly, project._CherryPick(dl.commit, ffonly=opt.ffonly,
@ -128,7 +135,10 @@ If no project is specified try to use current directory as a project.
elif opt.ffonly: elif opt.ffonly:
project._FastForward(dl.commit, ffonly=True) project._FastForward(dl.commit, ffonly=True)
else: else:
project._Checkout(dl.commit) if opt.branch:
project.StartBranch(opt.branch, revision=dl.commit)
else:
project._Checkout(dl.commit)
except GitError: except GitError:
print('[%s] Could not complete the %s of %s' print('[%s] Could not complete the %s of %s'