# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 1139947917 -3600
# Node ID 284fc722c34297b4bbb2618ac74e1dcc007aaf4c
# Parent  40346aa66b0f8c285c65f93be5fdeb21f4f364f6
add an optional argument to push only the specified revisions (push -r)


diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -1764,7 +1764,7 @@ def pull(ui, repo, source="default", **o
 
     return r
 
-def push(ui, repo, dest="default-push", force=False, ssh=None, remotecmd=None):
+def push(ui, repo, dest="default-push", **opts):
     """push changes to the specified destination
 
     Push changes from the local repository to the given destination.
@@ -1789,13 +1789,16 @@ def push(ui, repo, dest="default-push", 
     dest = ui.expandpath(dest, repo.root)
     ui.status('pushing to %s\n' % (dest))
 
-    if ssh:
-        ui.setconfig("ui", "ssh", ssh)
-    if remotecmd:
-        ui.setconfig("ui", "remotecmd", remotecmd)
+    if opts['ssh']:
+        ui.setconfig("ui", "ssh", opts['ssh'])
+    if opts['remotecmd']:
+        ui.setconfig("ui", "remotecmd", opts['remotecmd'])
 
     other = hg.repository(ui, dest)
-    r = repo.push(other, force)
+    revs = None
+    if opts['rev']:
+        revs = [repo.lookup(rev) for rev in opts['rev']]
+    r = repo.push(other, opts['force'], revs=revs)
     return r
 
 def rawcommit(ui, repo, *flist, **rc):
@@ -2417,14 +2420,15 @@ table = {
           ('r', 'rev', [], _('a specific revision you would like to pull')),
           ('', 'remotecmd', '',
            _('specify hg command to run on the remote side'))],
-         _('hg pull [-u] [-e FILE] [-r rev] [--remotecmd FILE] [SOURCE]')),
+         _('hg pull [-u] [-e FILE] [-r rev]... [--remotecmd FILE] [SOURCE]')),
     "^push":
         (push,
          [('f', 'force', None, _('force push')),
           ('e', 'ssh', '', _('specify ssh command to use')),
+          ('r', 'rev', [], _('a specific revision you would like to push')),
           ('', 'remotecmd', '',
            _('specify hg command to run on the remote side'))],
-         _('hg push [-f] [-e FILE] [--remotecmd FILE] [DEST]')),
+         _('hg push [-f] [-e FILE] [-r rev]... [--remotecmd FILE] [DEST]')),
     "rawcommit":
         (rawcommit,
          [('p', 'parent', [], _('parent')),
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -952,7 +952,7 @@ class localrepository(object):
             cg = remote.changegroupsubset(fetch, heads)
         return self.addchangegroup(cg)
 
-    def push(self, remote, force=False):
+    def push(self, remote, force=False, revs=None):
         lock = remote.lock()
 
         base = {}
@@ -964,17 +964,25 @@ class localrepository(object):
             return 1
 
         update = self.findoutgoing(remote, base)
-        if not update:
+        if revs is not None:
+            msng_cl, bases, heads = self.changelog.nodesbetween(update, revs)
+        else:
+            bases, heads = update, self.changelog.heads()
+
+        if not bases:
             self.ui.status(_("no changes found\n"))
             return 1
         elif not force:
-            if len(heads) < len(self.changelog.heads()):
+            if len(bases) < len(heads):
                 self.ui.warn(_("abort: push creates new remote branches!\n"))
                 self.ui.status(_("(did you forget to merge?"
                                  " use push -f to force)\n"))
                 return 1
 
-        cg = self.changegroup(update)
+        if revs is None:
+            cg = self.changegroup(update)
+        else:
+            cg = self.changegroupsubset(update, revs)
         return remote.addchangegroup(cg)
 
     def changegroupsubset(self, bases, heads):
diff --git a/tests/test-push-r b/tests/test-push-r
new file mode 100755
--- /dev/null
+++ b/tests/test-push-r
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+hg init test
+cd test
+cat >>afile <<EOF
+0
+EOF
+hg add afile
+hg commit -m "0.0"
+cat >>afile <<EOF
+1
+EOF
+hg commit -m "0.1"
+cat >>afile <<EOF
+2
+EOF
+hg commit -m "0.2"
+cat >>afile <<EOF
+3
+EOF
+hg commit -m "0.3"
+hg update -C 0
+cat >>afile <<EOF
+1
+EOF
+hg commit -m "1.1"
+cat >>afile <<EOF
+2
+EOF
+hg commit -m "1.2"
+cat >fred <<EOF
+a line
+EOF
+cat >>afile <<EOF
+3
+EOF
+hg add fred
+hg commit -m "1.3"
+hg mv afile adifferentfile
+hg commit -m "1.3m"
+hg update -C 3
+hg mv afile anotherfile
+hg commit -m "0.3m"
+hg debugindex .hg/data/afile.i
+hg debugindex .hg/data/adifferentfile.i
+hg debugindex .hg/data/anotherfile.i
+hg debugindex .hg/data/fred.i
+hg debugindex .hg/00manifest.i
+hg verify
+cd ..
+for i in 0 1 2 3 4 5 6 7 8; do
+   mkdir test-"$i"
+   hg --cwd test-"$i" init
+   hg -R test push -r "$i" test-"$i"
+   cd test-"$i"
+   hg verify
+   cd ..
+done
+cd test-8
+hg pull ../test-7
+hg verify
diff --git a/tests/test-push-r.out b/tests/test-push-r.out
new file mode 100644
--- /dev/null
+++ b/tests/test-push-r.out
@@ -0,0 +1,135 @@
+   rev    offset  length   base linkrev nodeid       p1           p2
+     0         0       3      0       0 362fef284ce2 000000000000 000000000000
+     1         3       5      1       1 125144f7e028 362fef284ce2 000000000000
+     2         8       7      2       2 4c982badb186 125144f7e028 000000000000
+     3        15       9      3       3 19b1fc555737 4c982badb186 000000000000
+   rev    offset  length   base linkrev nodeid       p1           p2
+     0         0      75      0       7 905359268f77 000000000000 000000000000
+   rev    offset  length   base linkrev nodeid       p1           p2
+     0         0      75      0       8 905359268f77 000000000000 000000000000
+   rev    offset  length   base linkrev nodeid       p1           p2
+     0         0       8      0       6 12ab3bcc5ea4 000000000000 000000000000
+   rev    offset  length   base linkrev nodeid       p1           p2
+     0         0      48      0       0 43eadb1d2d06 000000000000 000000000000
+     1        48      48      1       1 8b89697eba2c 43eadb1d2d06 000000000000
+     2        96      48      2       2 626a32663c2f 8b89697eba2c 000000000000
+     3       144      48      3       3 f54c32f13478 626a32663c2f 000000000000
+     4       192      58      3       6 de68e904d169 626a32663c2f 000000000000
+     5       250      68      3       7 3b45cc2ab868 de68e904d169 000000000000
+     6       318      54      6       8 24d86153a002 f54c32f13478 000000000000
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+4 files, 9 changesets, 7 total revisions
+pushing to test-0
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 1 changesets with 1 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 1 changesets, 1 total revisions
+pushing to test-1
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 2 changesets with 2 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 2 changesets, 2 total revisions
+pushing to test-2
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 3 changesets with 3 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 3 changesets, 3 total revisions
+pushing to test-3
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 4 changesets with 4 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 4 changesets, 4 total revisions
+pushing to test-4
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 2 changesets with 2 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 2 changesets, 2 total revisions
+pushing to test-5
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 3 changesets with 3 changes to 1 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+1 files, 3 changesets, 3 total revisions
+pushing to test-6
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 4 changesets with 5 changes to 2 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+2 files, 4 changesets, 5 total revisions
+pushing to test-7
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 5 changesets with 6 changes to 3 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+3 files, 5 changesets, 6 total revisions
+pushing to test-8
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 5 changesets with 5 changes to 2 files
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+2 files, 5 changesets, 5 total revisions
+pulling from ../test-7
+searching for changes
+adding changesets
+adding manifests
+adding file changes
+added 4 changesets with 2 changes to 3 files (+1 heads)
+(run 'hg update' to get a working copy)
+checking changesets
+checking manifests
+crosschecking files in changesets and manifests
+checking files
+4 files, 9 changesets, 7 total revisions