addremove: add support for the -S flag

Git and svn subrepos are currently not supported.  It doesn't look like git or
svn have these commands natively, so that's an area for a git or svn expert.

mercurial/commands.py

@@ -204,7 +204,7 b' def add(ui, repo, *pats, **opts):'
     return rejected and 1 or 0
 
 @command('addremove',
-    similarityopts + walkopts + dryrunopts,
+    similarityopts + subrepoopts + walkopts + dryrunopts,
     _('[OPTION]... [FILE]...'),
     inferrepo=True)
 def addremove(ui, repo, *pats, **opts):

mercurial/help/subrepos.txt

@@ -81,6 +81,10 b' Interaction with Mercurial Commands'
     Git and Subversion subrepositories are currently silently
     ignored.
 
+:addremove: addremove does not recurse into subrepos unless
+    -S/--subrepos is specified.  Git and Subversion subrepositories
+    will print a warning and continue.
+
 :archive: archive does not recurse in subrepositories unless
     -S/--subrepos is specified.
 

tests/test-completion.t

@@ -215,7 +215,7 b' Show all commands + options'
   status: all, modified, added, removed, deleted, clean, unknown, ignored, no-status, copies, print0, rev, change, include, exclude, subrepos, template
   summary: remote
   update: clean, check, date, rev, tool
-  addremove: similarity, include, exclude, dry-run
+  addremove: similarity, subrepos, include, exclude, dry-run
   archive: no-decode, prefix, rev, type, subrepos, include, exclude
   backout: merge, parent, rev, edit, tool, include, exclude, message, logfile, date, user
   bisect: reset, good, bad, skip, extend, command, noupdate

tests/test-subrepo-deep-nested-change.t

@@ -128,11 +128,32 b' Check that deep archiving works'
   R sub1/.hgsubstate
   R sub1/sub2/folder/test.txt
   $ hg update -Cq
+  $ touch sub1/foo
+  $ hg forget sub1/sub2/folder/test.txt
+  $ rm sub1/sub2/test.txt
+
+Test relative path printing + subrepos
+  $ mkdir -p foo/bar
+  $ cd foo
+  $ touch bar/abc
+  $ hg addremove -S ..
+  adding ../sub1/sub2/folder/test.txt (glob)
+  removing ../sub1/sub2/test.txt (glob)
+  adding ../sub1/foo (glob)
+  adding bar/abc (glob)
+  $ cd ..
+  $ hg status -S
+  A foo/bar/abc
+  A sub1/foo
+  R sub1/sub2/test.txt
+  $ hg update -Cq
   $ rm sub1/sub2/folder/test.txt
   $ rm sub1/sub2/test.txt
   $ hg ci -ASm "remove test.txt"
   removing sub1/sub2/folder/test.txt (glob)
   removing sub1/sub2/test.txt (glob)
+  adding sub1/foo (glob)
+  adding foo/bar/abc
   committing subrepository sub1
   committing subrepository sub1/sub2 (glob)
   $ hg rollback -q