osx: include chg by default

Makefile

@@ -176,6 +176,14 b' osx:'
         # location of our own.
 	install -d build/mercurial/usr/local/hg/contrib/
 	install -m 0644 contrib/bash_completion build/mercurial/usr/local/hg/contrib/hg-completion.bash
+	make -C contrib/chg \
+	  HGPATH=/usr/local/bin/hg \
+	  PYTHON=/usr/bin/python2.7 \
+	  HG=/usr/local/bin/hg \
+	  HGEXTDIR=/Library/Python/2.7/site-packages/hgext \
+	  DESTDIR=../../build/mercurial \
+	  PREFIX=/usr/local \
+	  clean install
 	mkdir -p $${OUTPUTDIR:-dist}
 	HGVER=$$((cat build/mercurial/Library/Python/2.7/site-packages/mercurial/__version__.py; echo 'print(version)') | python) && \
 	OSXVER=$$(sw_vers -productVersion | cut -d. -f1,2) && \

tests/test-mac-packages.t

@@ -35,6 +35,7 b' Spot-check some randomly selected files:'
   ./usr/local/hg/contrib/hg-completion.bash	100644	0/0
   $ egrep 'man[15]' boms.txt | cut -d '	' -f 1,2,3
   ./usr/local/share/man/man1	40755	0/0
+  ./usr/local/share/man/man1/chg.1	100644	0/0
   ./usr/local/share/man/man1/hg.1	100644	0/0
   ./usr/local/share/man/man5	40755	0/0
   ./usr/local/share/man/man5/hgignore.5	100644	0/0
@@ -48,7 +49,8 b' Spot-check some randomly selected files:'
   ./Library/Python/2.7/site-packages/mercurial/localrepo.py	100644	0/0
   ./Library/Python/2.7/site-packages/mercurial/localrepo.pyc	100644	0/0
   ./Library/Python/2.7/site-packages/mercurial/localrepo.pyo	100644	0/0
-  $ grep 'bin/hg	' boms.txt | cut -d '	' -f 1,2,3
+  $ egrep 'bin/' boms.txt | cut -d '	' -f 1,2,3
+  ./usr/local/bin/chg	100755	0/0
   ./usr/local/bin/hg	100755	0/0
 
 Make sure the built binary uses the system Python interpreter