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[PATCH] Add 'svnmerge.py integrated' command

From: Daniel Rall <dlr_at_collab.net>
Date: 2006-03-31 02:28:37 CEST

[[[
Add a new 'svnmerge.py integrated' command, which tells you which
change sets have been merged into a branch (the inverse of 'avail').

This is a precursor to implementation of the 'rollback' command, which
requires some of the functionality of 'integrated' command, and
facilitates smoother usability (since you'll often run 'integrated' to
figure out what revisions to 'rollback').

* contrib/client-side/svnmerge.py
  (branch_props_to_revision_set): New conversion helper function
   factored out of main() which turns branch properties from
   get_merge_props() for a specific path into a RevisionSet object.

  (display_revisions): New function factored out of action_avail()
   which shows a set of revisions in the requested style (numerically,
   log format, or as diffs).

  (action_avail): Leverage display_revisions().

  (action_integrated): New function implementing the 'integrated'
   command. Execution of 'svn log' will be refactored by David James
   later on.

  (command_table): Add support for 'integrated' command.

  (command_table, main): Add handling for the 'integrated' command.
   Leverage branch_props_to_revision_set().

* contrib/client-side/svnmerge_test.py
  (testNoWc, testCheckNoIntegrationInfo, testBasic,
   testMergeRecordOnly): Add testing of the new "integrated" command.

Review by: djames
]]]

Index: contrib/client-side/svnmerge.py
===================================================================
--- contrib/client-side/svnmerge.py (revision 19105)
+++ contrib/client-side/svnmerge.py (working copy)
@@ -498,6 +498,15 @@
         revs.update(rs._revs)
         return RevisionSet(revs)
 
+def branch_props_to_revision_set(branch_props, path):
+ """A converter which returns a RevisionSet instance containing the
+ revisions from PATH as known to BRANCH_PROPS. BRANCH_PROPS is a
+ dictionary of path -> revision set branch integration information
+ (as returned by get_merge_props())."""
+ if not branch_props.has_key(path):
+ error('no integration info available for repository path "%s"' % path)
+ return RevisionSet(branch_props[path])
+
 def dict_from_revlist_prop(propvalue):
     """Given a property value as a string containing per-head revision
     lists, return a dictionary whose key is a relative path to a head
@@ -873,6 +882,33 @@
     ret.reverse()
     return ret
 
+def display_revisions(revs, display_style, head_url):
+ """Show REVS as dictated by DISPLAY_STYLE, either numerically, in
+ log format, or as diffs."""
+ if display_style == "revisions":
+ if revs:
+ report("available revisions to be merged are:")
+ print revs
+ elif display_style == "logs":
+ for start,end in revs.normalized():
+ svn_command('log --incremental -v -r %d:%d %s' % \
+ (start, end, head_url))
+ elif display_style == "diffs":
+ for start, end in revs.normalized():
+ print
+ if start == end:
+ print "%s: changes in revision %d follow" % (NAME, start)
+ else:
+ print "%s: changes in revisions %d-%d follow" % (NAME,
+ start, end)
+ print
+
+ # Note: the starting revision number to 'svn diff' is
+ # NOT inclusive so we have to subtract one from ${START}.
+ svn_command("diff -r %d:%d %s" % (start - 1, end, head_url))
+ else:
+ assert False, "unhandled display style: %s" % display_style
+
 def action_init(branch_dir, branch_props):
     """Initialize a branch for merges."""
     # Check branch directory is ready for being modified
@@ -923,33 +959,43 @@
     if opts["revision"]:
         revs = revs & RevisionSet(opts["revision"])
 
- # Show them, either numerically, in log format, or as diffs
- if opts["avail-display"] == "revisions":
- if revs:
- report("available revisions to be merged are:")
- print revs
- elif opts["avail-display"] == "logs":
- for start,end in revs.normalized():
- svn_command('log --incremental -v -r %d:%d %s' % \
- (start, end, opts["head-url"]))
- elif opts["avail-display"] == "diffs":
- for start,end in revs.normalized():
- print
- if start == end:
- print "%s: changes in revision %d follow" % (NAME, start)
- else:
- print "%s: changes in revisions %d-%d follow" % (NAME,
- start, end)
- print
+ display_revisions(revs, opts["avail-display"], opts["head-url"])
 
- # Note: the starting revision number to 'svn diff' is
- # NOT inclusive so we have to subtract one from ${START}.
- svn_command('diff -r %d:%d %s' % \
- (start-1, end, opts["head-url"]))
- else:
- assert False, \
- "unhandled 'avail' display type: %s" % opts["avail-display"]
+def action_integrated(branch_dir, branch_props):
+ """Show change sets already merged. This set of revisions is
+ calculated from taking svnmerge-integrated property from the
+ branch, and subtracting any revision older than the branch
+ creation revision."""
+ # Extract the integration info for the branch_dir
+ branch_props = get_merge_props(branch_dir)
+ check_old_prop_version(branch_dir, branch_props)
+ revs = branch_props_to_revision_set(branch_props, opts["head-path"])
 
+ # Lookup the oldest revision on the branch path.
+ ### TODO: Refactor this to use a modified RevisionLog class.
+ oldest_branch_rev = -1
+ lines = None
+ try:
+ lines = launchsvn("log -r 1:HEAD --limit=1 -q " + branch_dir)
+ except LaunchError, e:
+ # Assume that --limit isn't supported by the installed 'svn'.
+ lines = launchsvn("log -r 1:HEAD -q " + branch_dir)
+ if lines and len(lines) > 1:
+ i = lines[1].find(" ")
+ if i != -1:
+ oldest_branch_rev = int(lines[1][1:i])
+ if oldest_branch_rev == -1:
+ error("unable to determine oldest branch revision")
+
+ # Subtract any revisions which pre-date the branch.
+ revs = revs - range(1, oldest_branch_rev)
+
+ # Limit to revisions specified by -r (if any)
+ if opts["revision"]:
+ revs = revs & RevisionSet(opts["revision"])
+
+ display_revisions(revs, opts["integrated-display"], opts["head-url"])
+
 def action_merge(branch_dir, branch_props):
     """Record merge meta data, and do the actual merge (if not
     requested otherwise via --record-only)."""
@@ -1487,6 +1533,25 @@
         "-S",
     ]),
 
+ "integrated": (action_integrated,
+ "integrated [OPTION...] [PATH]",
+ """Show merged revisions available for PATH as a revision list.
+ If --revision is given, the revisions shown will be limited to
+ those also specified in the option.""",
+ [
+ Option("-d", "--diff",
+ dest="integrated-display",
+ value="diffs",
+ default="revisions",
+ help="show corresponding diff instead of revision list"),
+ Option("-l", "--log",
+ dest="integrated-display",
+ value="logs",
+ help="show corresponding log history instead of revision list"),
+ "-r",
+ "-S",
+ ]),
+
     "merge": (action_merge,
     "merge [OPTION...] [PATH]",
     """Merge in revisions into PATH from its head. If --revision is omitted,
@@ -1560,7 +1625,7 @@
             head = args[0]
         elif len(args) > 1:
             optsparser.error("wrong number of parameters", cmd)
- elif str(cmd) in ["avail", "merge", "block", "unblock"]:
+ elif str(cmd) in ["avail", "integrated", "merge", "block", "unblock"]:
         if len(args) == 1:
             branch_dir = args[0]
         elif len(args) > 1:
@@ -1614,13 +1679,9 @@
 
     # Get previously merged revisions (except when command is init)
     if str(cmd) != "init":
- if not branch_props.has_key(opts["head-path"]):
- error('no integration info available for repository path "%s"'
- % opts["head-path"])
+ opts["merged-revs"] = branch_props_to_revision_set(branch_props,
+ opts["head-path"])
 
- revs = branch_props[opts["head-path"]]
- opts["merged-revs"] = RevisionSet(revs)
-
     # Perform the action
     cmd(branch_dir, branch_props)
 
Index: contrib/client-side/svnmerge_test.py
===================================================================
--- contrib/client-side/svnmerge_test.py (revision 19099)
+++ contrib/client-side/svnmerge_test.py (working copy)
@@ -421,12 +421,14 @@
         os.chdir("foo")
         self.svnmerge("init", error=True, match="working dir")
         self.svnmerge("avail", error=True, match="working dir")
+ self.svnmerge("integrated", error=True, match="working dir")
         self.svnmerge("merge", error=True, match="working dir")
         self.svnmerge("block", error=True, match="working dir")
         self.svnmerge("unblock", error=True, match="working dir")
 
     def testCheckNoIntegrationInfo(self):
         self.svnmerge("avail", error=True, match="no integration")
+ self.svnmerge("integrated", error=True, match="no integration")
         self.svnmerge("merge", error=True, match="no integration")
         self.svnmerge("block", error=True, match="no integration")
         self.svnmerge("unblock", error=True, match="no integration")
@@ -491,6 +493,10 @@
         out = self.svnmerge("avail --diff -r5")
         self.assertEqual(out.strip(), "")
 
+ self.svnmerge("integrated", match=r"^3-6$")
+ self.svnmerge("integrated --log -r5", match=r"| r5 ")
+ self.svnmerge("integrated --diff -r5", match=r"Index: test2")
+
     def test_log_msg_suggest(self):
         self.svnmerge("init -vf commit-log.txt", match="wrote commit message")
         self.assert_(os.path.exists("commit-log.txt"))
@@ -529,6 +535,8 @@
                       nonmatch=r"svn merge -r 8:9")
         out = self.svnmerge("avail -r9")
         self.assertEqual(out.strip(), "")
+ self.svnmerge("integrated", match=r"^3-6,9$")
+ self.svnmerge("integrated -r9", match=r"^9$")
 
     def testBidirectionalMerges(self):
         """Check that reflected revisions are recognized properly for bidirectional merges."""

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Received on Fri Mar 31 02:29:13 2006

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