| 1 | #!/usr/bin/env python |
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| 2 | """ |
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| 3 | Syntax: MergeActor.py ticketnum component version requestor |
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| 4 | |
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| 5 | Merge a branch to its trunk. |
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| 6 | """ |
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| 7 | |
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| 8 | import os |
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| 9 | import shutil |
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| 10 | |
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| 11 | from mergebot import SvnOps |
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| 12 | from mergebot.Actor import Actor |
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| 13 | |
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| 14 | class MergeActor(Actor): |
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| 15 | """Merges a branch to the line of development on which it is based. |
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| 16 | """ |
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| 17 | def execute(self): |
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| 18 | "Merge a branch to its trunk" |
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| 19 | results = {} |
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| 20 | logfile = self.logfilename() |
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| 21 | checkoutdir = self.work_dir |
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| 22 | # Delete the working directory so we get a completely clean working |
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| 23 | # copy. |
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| 24 | if os.path.exists(checkoutdir): |
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| 25 | shutil.rmtree(checkoutdir) |
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| 26 | |
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| 27 | # Make sure the various urls we require do exist |
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| 28 | if not SvnOps.get_branch_info(self.local_url(), logfile): |
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| 29 | comment = 'Component %s does not exist in the repository.' \ |
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| 30 | % self.component |
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| 31 | return results, comment, False |
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| 32 | if not SvnOps.get_branch_info(self.local_url() + '/branches', logfile): |
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| 33 | comment = 'No directory in which to create branches for component %s in the repository.' % self.component |
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| 34 | return results, comment, False |
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| 35 | if not SvnOps.get_branch_info(self.baseline_local_url(), logfile): |
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| 36 | comment = 'Version %s for component %s does not exist in the repository.' % (self.version, self.component) |
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| 37 | return results, comment, False |
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| 38 | |
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| 39 | rev_info = SvnOps.get_branch_info(self.branch_local_url(), logfile) |
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| 40 | if not rev_info: |
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| 41 | comment = 'Branch for ticket %s does not exist in the repository.' % (self.ticket) |
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| 42 | return results, comment, False |
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| 43 | startrev, endrev = rev_info |
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| 44 | |
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| 45 | SvnOps.checkout(self.baseline_local_url(), checkoutdir, logfile) |
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| 46 | # FIXME: check return code |
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| 47 | merge_results = SvnOps.merge(self.branch_local_url(), checkoutdir, |
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| 48 | (startrev, endrev), logfile) |
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| 49 | conflicts = SvnOps.conflicts_from_merge_results(merge_results) |
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| 50 | if conflicts: |
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| 51 | comment = "\n".join([ |
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| 52 | "Found %s conflicts in attempt to merge %s:%s to %s for %s." % \ |
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| 53 | (len(conflicts), startrev, endrev, self.version, |
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| 54 | self.requestor), |
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| 55 | "Files in conflict:", |
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| 56 | "{{{", |
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| 57 | "\n".join(conflicts), |
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| 58 | "}}}", |
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| 59 | "A rebranch will be needed before this can be merged.", |
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| 60 | ]) |
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| 61 | results['mergebotstate'] = 'conflicts' |
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| 62 | success = False |
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| 63 | else: |
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| 64 | # The merge worked, so commit the changes. |
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| 65 | commitmessage = "\n".join([ |
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| 66 | "Ticket #%s: %s" % (self.ticket, self.summary), |
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| 67 | " Merge of %s:%s to %s for %s." % (startrev, endrev, |
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| 68 | self.version, self.requestor), |
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| 69 | ]) |
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| 70 | committedrev = SvnOps.commit(checkoutdir, commitmessage, logfile) |
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| 71 | # Sed message and endstatus |
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| 72 | if committedrev == None: |
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| 73 | # Apparently nothing to commit. |
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| 74 | comment = "\n".join([ |
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| 75 | "Merged %s:%s to %s for %s." % (startrev, endrev, |
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| 76 | self.version, self.requestor), |
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| 77 | "No changes to commit.", |
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| 78 | ]) |
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| 79 | results['mergebotstate'] = 'merged' |
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| 80 | success = True |
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| 81 | elif committedrev >= 0: |
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| 82 | # The commit succeeded. |
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| 83 | comment = "\n".join([ |
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| 84 | "Merged %s:%s to %s for %s." % (startrev, endrev, |
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| 85 | self.version, self.requestor), |
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| 86 | "Changeset [%s]. [source:%s/%s@%s]" % (committedrev, |
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| 87 | self.component, self.version_subdir(), committedrev), |
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| 88 | ]) |
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| 89 | results['mergebotstate'] = 'merged' |
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| 90 | success = True |
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| 91 | else: |
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| 92 | # The commit for the merge failed. |
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| 93 | comment = \ |
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| 94 | "Commit failed in attempt to merge %s:%s to %s for %s." \ |
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| 95 | % (startrev, endrev, self.version, self.requestor) |
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| 96 | #results['mergebotstate'] = 'mergefailed' |
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| 97 | success = False |
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| 98 | |
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| 99 | # Clean up the work area |
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| 100 | if os.path.exists(checkoutdir): |
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| 101 | shutil.rmtree(checkoutdir) |
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| 102 | |
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| 103 | return results, comment, success |
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| 104 | |
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| 105 | # vim:foldcolumn=4 foldmethod=indent |
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| 106 | # vim:tabstop=4 shiftwidth=4 softtabstop=4 expandtab |
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