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41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
11 years ago
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#!/usr/bin/env python
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"""
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Checks out a downstream branch from the currently checked out branch. If there
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is more than one downstream branch, then this script will prompt you to select
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which branch.
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"""
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import sys
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from git_common import current_branch, branches, upstream, run, hash_one
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def main(argv):
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assert len(argv) == 1, "No arguments expected"
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upfn = upstream
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cur = current_branch()
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if cur == 'HEAD':
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upfn = lambda b: hash_one(upstream(b))
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cur = hash_one(cur)
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downstreams = [b for b in branches() if upfn(b) == cur]
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if not downstreams:
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return "No downstream branches"
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elif len(downstreams) == 1:
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run('checkout', downstreams[0])
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else:
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high = len(downstreams) - 1
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print
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while True:
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print "Please select a downstream branch"
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for i, b in enumerate(downstreams):
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print " %d. %s" % (i, b)
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r = raw_input("Selection (0-%d)[0]: " % high).strip() or '0'
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if not r.isdigit() or (0 > int(r) > high):
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print "Invalid choice."
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else:
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run('checkout', downstreams[int(r)])
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break
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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