mirror of
https://git.codelinaro.org/clo/tools/repo.git
synced 2025-06-18 17:28:52 +08:00
Change project.revision to revisionExpr and revisionId
The revisionExpr field now holds an expression from the manifest, such as "refs/heads/master", while revisionId holds the current commit-ish SHA-1 of the revisionExpr. Currently that is only filled in if the manifest points directly to a SHA-1. Signed-off-by: Shawn O. Pearce <sop@google.com>
This commit is contained in:
Shawn O. Pearce
180
project.py
180
project.py
@ -228,14 +228,23 @@ class Project(object):
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gitdir,
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worktree,
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relpath,
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revision):
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revisionExpr,
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revisionId):
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self.manifest = manifest
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self.name = name
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self.remote = remote
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self.gitdir = gitdir
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self.worktree = worktree
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self.relpath = relpath
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self.revision = revision
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self.revisionExpr = revisionExpr
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if revisionId is None \
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and revisionExpr \
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and IsId(revisionExpr):
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self.revisionId = revisionExpr
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else:
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self.revisionId = revisionId
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self.snapshots = {}
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self.copyfiles = []
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self.config = GitConfig.ForRepository(
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@ -605,6 +614,23 @@ class Project(object):
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for file in self.copyfiles:
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file._Copy()
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def GetRevisionId(self, all=None):
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if self.revisionId:
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return self.revisionId
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rem = self.GetRemote(self.remote.name)
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rev = rem.ToLocal(self.revisionExpr)
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if all is not None and rev in all:
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return all[rev]
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try:
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return self.bare_git.rev_parse('--verify', '%s^0' % rev)
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except GitError:
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raise ManifestInvalidRevisionError(
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'revision %s in %s not found' % (self.revisionExpr,
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self.name))
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def Sync_LocalHalf(self, syncbuf):
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"""Perform only the local IO portion of the sync process.
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Network access is not required.
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@ -613,19 +639,7 @@ class Project(object):
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all = self.bare_ref.all
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self.CleanPublishedCache(all)
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rem = self.GetRemote(self.remote.name)
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rev = rem.ToLocal(self.revision)
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if rev in all:
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revid = all[rev]
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elif IsId(rev):
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revid = rev
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else:
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try:
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revid = self.bare_git.rev_parse('--verify', '%s^0' % rev)
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except GitError:
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raise ManifestInvalidRevisionError(
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'revision %s in %s not found' % (self.revision, self.name))
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revid = self.GetRevisionId(all)
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head = self.work_git.GetHead()
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if head.startswith(R_HEADS):
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branch = head[len(R_HEADS):]
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@ -649,11 +663,11 @@ class Project(object):
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#
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return
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lost = self._revlist(not_rev(rev), HEAD)
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lost = self._revlist(not_rev(revid), HEAD)
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if lost:
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syncbuf.info(self, "discarding %d commits", len(lost))
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try:
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self._Checkout(rev, quiet=True)
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self._Checkout(revid, quiet=True)
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except GitError, e:
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syncbuf.fail(self, e)
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return
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@ -666,9 +680,8 @@ class Project(object):
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return
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branch = self.GetBranch(branch)
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merge = branch.LocalMerge
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if not merge:
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if not branch.LocalMerge:
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# The current branch has no tracking configuration.
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# Jump off it to a deatched HEAD.
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#
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@ -676,17 +689,17 @@ class Project(object):
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"leaving %s; does not track upstream",
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branch.name)
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try:
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self._Checkout(rev, quiet=True)
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self._Checkout(revid, quiet=True)
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except GitError, e:
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syncbuf.fail(self, e)
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return
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self._CopyFiles()
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return
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upstream_gain = self._revlist(not_rev(HEAD), rev)
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upstream_gain = self._revlist(not_rev(HEAD), revid)
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pub = self.WasPublished(branch.name, all)
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if pub:
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not_merged = self._revlist(not_rev(rev), pub)
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not_merged = self._revlist(not_rev(revid), pub)
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if not_merged:
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if upstream_gain:
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# The user has published this branch and some of those
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@ -703,24 +716,15 @@ class Project(object):
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# strict subset. We can fast-forward safely.
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#
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def _doff():
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self._FastForward(rev)
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self._FastForward(revid)
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self._CopyFiles()
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syncbuf.later1(self, _doff)
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return
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# If the upstream switched on us, warn the user.
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#
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if merge != rev:
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syncbuf.info(self, "manifest switched %s...%s", merge, rev)
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# Examine the local commits not in the remote. Find the
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# last one attributed to this user, if any.
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#
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local_changes = self._revlist(
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not_rev(merge),
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HEAD,
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format='%H %ce')
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local_changes = self._revlist(not_rev(revid), HEAD, format='%H %ce')
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last_mine = None
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cnt_mine = 0
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for commit in local_changes:
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@ -738,6 +742,19 @@ class Project(object):
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syncbuf.fail(self, _DirtyError())
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return
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# If the upstream switched on us, warn the user.
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#
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if branch.merge != self.revisionExpr:
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if branch.merge and self.revisionExpr:
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syncbuf.info(self,
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'manifest switched %s...%s',
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branch.merge,
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self.revisionExpr)
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elif branch.merge:
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syncbuf.info(self,
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'manifest no longer tracks %s',
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branch.merge)
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if cnt_mine < len(local_changes):
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# Upstream rebased. Not everything in HEAD
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# was created by this user.
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@ -746,25 +763,25 @@ class Project(object):
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"discarding %d commits removed from upstream",
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len(local_changes) - cnt_mine)
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branch.remote = rem
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branch.merge = self.revision
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branch.remote = self.GetRemote(self.remote.name)
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branch.merge = self.revisionExpr
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branch.Save()
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if cnt_mine > 0:
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def _dorebase():
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self._Rebase(upstream = '%s^1' % last_mine, onto = rev)
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self._Rebase(upstream = '%s^1' % last_mine, onto = revid)
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self._CopyFiles()
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syncbuf.later2(self, _dorebase)
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elif local_changes:
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try:
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self._ResetHard(rev)
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self._ResetHard(revid)
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self._CopyFiles()
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except GitError, e:
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syncbuf.fail(self, e)
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return
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else:
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def _doff():
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self._FastForward(rev)
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self._FastForward(revid)
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self._CopyFiles()
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syncbuf.later1(self, _doff)
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@ -786,7 +803,7 @@ class Project(object):
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if GitCommand(self, cmd, bare=True).Wait() != 0:
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return None
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return DownloadedChange(self,
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remote.ToLocal(self.revision),
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self.GetRevisionId(),
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change_id,
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patch_id,
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self.bare_git.rev_parse('FETCH_HEAD'))
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@ -810,15 +827,8 @@ class Project(object):
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branch = self.GetBranch(name)
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branch.remote = self.GetRemote(self.remote.name)
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branch.merge = self.revision
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rev = branch.LocalMerge
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if rev in all:
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revid = all[rev]
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elif IsId(rev):
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revid = rev
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else:
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revid = None
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branch.merge = self.revisionExpr
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revid = self.GetRevisionId(all)
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if head.startswith(R_HEADS):
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try:
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@ -839,7 +849,7 @@ class Project(object):
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return True
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if GitCommand(self,
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['checkout', '-b', branch.name, rev],
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['checkout', '-b', branch.name, revid],
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capture_stdout = True,
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capture_stderr = True).Wait() == 0:
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branch.Save()
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@ -900,19 +910,12 @@ class Project(object):
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#
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head = all[head]
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rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
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if rev in all:
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revid = all[rev]
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elif IsId(rev):
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revid = rev
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else:
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revid = None
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if revid and head == revid:
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revid = self.GetRevisionId(all)
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if head == revid:
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_lwrite(os.path.join(self.worktree, '.git', HEAD),
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'%s\n' % revid)
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else:
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self._Checkout(rev, quiet=True)
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self._Checkout(revid, quiet=True)
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return GitCommand(self,
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['branch', '-D', name],
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@ -931,7 +934,7 @@ class Project(object):
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if cb is None or name != cb:
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kill.append(name)
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rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
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rev = self.GetRevisionId(left)
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if cb is not None \
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and not self._revlist(HEAD + '...' + rev) \
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and not self.IsDirty(consider_untracked = False):
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@ -1081,24 +1084,25 @@ class Project(object):
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def _InitMRef(self):
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if self.manifest.branch:
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msg = 'manifest set to %s' % self.revision
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ref = R_M + self.manifest.branch
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cur = self.bare_ref.symref(ref)
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if IsId(self.revision):
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if cur != '' or self.bare_ref.get(ref) != self.revision:
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dst = self.revision + '^0'
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self.bare_git.UpdateRef(ref, dst, message = msg, detach = True)
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else:
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remote = self.GetRemote(self.remote.name)
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dst = remote.ToLocal(self.revision)
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if cur != dst:
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self.bare_git.symbolic_ref('-m', msg, ref, dst)
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self._InitAnyMRef(R_M + self.manifest.branch)
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def _InitMirrorHead(self):
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dst = self.GetRemote(self.remote.name).ToLocal(self.revision)
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msg = 'manifest set to %s' % self.revision
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self.bare_git.SetHead(dst, message=msg)
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self._InitAnyMRef(self, HEAD)
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def _InitAnyMRef(self, ref):
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cur = self.bare_ref.symref(ref)
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if self.revisionId:
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if cur != '' or self.bare_ref.get(ref) != self.revisionId:
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msg = 'manifest set to %s' % self.revisionId
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dst = self.revisionId + '^0'
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self.bare_git.UpdateRef(ref, dst, message = msg, detach = True)
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else:
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remote = self.GetRemote(self.remote.name)
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dst = remote.ToLocal(self.revisionExpr)
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if cur != dst:
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msg = 'manifest set to %s' % self.revisionExpr
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self.bare_git.symbolic_ref('-m', msg, ref, dst)
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def _InitWorkTree(self):
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dotgit = os.path.join(self.worktree, '.git')
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@ -1125,14 +1129,11 @@ class Project(object):
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else:
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raise
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rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
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rev = self.bare_git.rev_parse('%s^0' % rev)
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_lwrite(os.path.join(dotgit, HEAD), '%s\n' % rev)
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_lwrite(os.path.join(dotgit, HEAD), '%s\n' % self.GetRevisionId())
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cmd = ['read-tree', '--reset', '-u']
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cmd.append('-v')
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cmd.append('HEAD')
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cmd.append(HEAD)
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if GitCommand(self, cmd).Wait() != 0:
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raise GitError("cannot initialize work tree")
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self._CopyFiles()
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@ -1433,7 +1434,8 @@ class MetaProject(Project):
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worktree = worktree,
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remote = RemoteSpec('origin'),
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relpath = '.repo/%s' % name,
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revision = 'refs/heads/master')
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revisionExpr = 'refs/heads/master',
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revisionId = None)
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def PreSync(self):
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if self.Exists:
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@ -1441,7 +1443,8 @@ class MetaProject(Project):
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if cb:
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base = self.GetBranch(cb).merge
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if base:
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self.revision = base
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self.revisionExpr = base
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self.revisionId = None
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@property
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def LastFetch(self):
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@ -1455,16 +1458,11 @@ class MetaProject(Project):
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def HasChanges(self):
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"""Has the remote received new commits not yet checked out?
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"""
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if not self.remote or not self.revision:
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if not self.remote or not self.revisionExpr:
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return False
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all = self.bare_ref.all
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rev = self.GetRemote(self.remote.name).ToLocal(self.revision)
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if rev in all:
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revid = all[rev]
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else:
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revid = rev
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revid = self.GetRevisionId(all)
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head = self.work_git.GetHead()
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if head.startswith(R_HEADS):
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try:
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@ -1474,6 +1472,6 @@ class MetaProject(Project):
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if revid == head:
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return False
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elif self._revlist(not_rev(HEAD), rev):
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elif self._revlist(not_rev(HEAD), revid):
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return True
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return False
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