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Add a sync flag that fetches only current branch

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There is also shortcuts in case if the "current branch" is
a persistent revision such as tag or sha1. We check if the
persistent revision is present locally and if it does - do
no fetch anything from the server.

This greately reduces sync time and size of the on-disk repo

Change-Id: I23c6d95185474ed6e1a03c836a47f489953b99be
This commit is contained in:
Anatol Pomazau
2011-08-25 17:21:47 -07:00
committed by Shawn O. Pearce
parent 9d8f914fe8
commit 53d6f4d17e
2 changed files with 46 additions and 21 deletions
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12
subcmds/sync.py
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@ -131,6 +131,9 @@ later is required to fix a server side protocol bug.
p.add_option('-d','--detach',
dest='detach_head', action='store_true',
help='detach projects back to manifest revision')
p.add_option('-c','--current-branch',
dest='current_branch_only', action='store_true',
help='fetch only current branch from server')
p.add_option('-q','--quiet',
dest='quiet', action='store_true',
help='be more quiet')
@ -179,7 +182,8 @@ later is required to fix a server side protocol bug.
# - We always make sure we unlock the lock if we locked it.
try:
try:
success = project.Sync_NetworkHalf(quiet=opt.quiet)
success = project.Sync_NetworkHalf(quiet=opt.quiet,
current_branch_only=opt.current_branch_only)
# Lock around all the rest of the code, since printing, updating a set
# and Progress.update() are not thread safe.
@ -212,7 +216,8 @@ later is required to fix a server side protocol bug.
if self.jobs == 1:
for project in projects:
pm.update()
if project.Sync_NetworkHalf(quiet=opt.quiet):
if project.Sync_NetworkHalf(quiet=opt.quiet,
current_branch_only=opt.current_branch_only):
fetched.add(project.gitdir)
else:
print >>sys.stderr, 'error: Cannot fetch %s' % project.name
@ -388,7 +393,8 @@ uncommitted changes are present' % project.relpath
_PostRepoUpgrade(self.manifest)
if not opt.local_only:
mp.Sync_NetworkHalf(quiet=opt.quiet)
mp.Sync_NetworkHalf(quiet=opt.quiet,
current_branch_only=opt.current_branch_only)
if mp.HasChanges:
syncbuf = SyncBuffer(mp.config)