# HG changeset patch
# Parent 7820633b718ca1983da7b105d7868c455809cff1

diff --git a/build/Makefile.in b/build/Makefile.in
--- a/build/Makefile.in
+++ b/build/Makefile.in
@@ -62,17 +62,17 @@ DEFINES += -DMOZ_APP_VERSION="$(MOZ_APP_
 APP_INI_DEPS += $(DEPTH)/config/autoconf.mk
 
 MOZ_SOURCE_STAMP := $(firstword $(shell cd $(topsrcdir)/$(MOZ_BUILD_APP)/.. && hg parent --template="{node|short}\n" 2>/dev/null))
 ifdef MOZ_SOURCE_STAMP
 DEFINES += -DMOZ_SOURCE_STAMP="$(MOZ_SOURCE_STAMP)"
 endif
 
 _dollar=$$
-SOURCE_REPO := $(shell cd $(topsrcdir)/$(MOZ_BUILD_APP)/.. && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
+SOURCE_REPO ?= $(shell cd $(topsrcdir)/$(MOZ_BUILD_APP)/.. && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
 ifdef SOURCE_REPO
 DEFINES += -DMOZ_SOURCE_REPO="$(SOURCE_REPO)"
 endif
 
 DEFINES += \
   -DMOZ_APP_BASENAME="$(MOZ_APP_BASENAME)" \
   -DMOZ_APP_VENDOR="$(MOZ_APP_VENDOR)" \
   -DMOZ_APP_ID="$(MOZ_APP_ID)" \
diff --git a/toolkit/content/Makefile.in b/toolkit/content/Makefile.in
--- a/toolkit/content/Makefile.in
+++ b/toolkit/content/Makefile.in
@@ -35,17 +35,17 @@ endif
 ifeq (Android,$(OS_TARGET))
 DEFINES += -DANDROID_PACKAGE_NAME=$(ANDROID_PACKAGE_NAME)
 endif
 
 # strip a trailing slash from the repo URL because it's not always present,
 # and we want to construct a working URL in buildconfig.html
 # make+shell+sed = awful
 _dollar=$$
-SOURCE_REPO := $(shell cd $(topsrcdir) && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
+SOURCE_REPO ?= $(shell cd $(topsrcdir) && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
 # extra sanity check for old versions of hg
 # that don't support showconfig
 ifeq (http,$(patsubst http%,http,$(SOURCE_REPO)))
 DEFINES += -DSOURCE_REPO="$(SOURCE_REPO)"
 endif
 
 BUILD_HOSTNAME = $(shell hostname -s || hostname)
 DEFINES += -DBUILD_HOSTNAME="$(BUILD_HOSTNAME)"
diff --git a/toolkit/mozapps/installer/package-name.mk b/toolkit/mozapps/installer/package-name.mk
--- a/toolkit/mozapps/installer/package-name.mk
+++ b/toolkit/mozapps/installer/package-name.mk
@@ -131,22 +131,22 @@ SYMBOL_ARCHIVE_BASENAME = $(PKG_BASENAME
 TEST_PACKAGE = $(PKG_BASENAME).tests.zip
 
 ifneq (,$(wildcard $(DIST)/bin/application.ini))
 BUILDID = $(shell $(PYTHON) $(MOZILLA_DIR)/config/printconfigsetting.py $(DIST)/bin/application.ini App BuildID)
 else
 BUILDID = $(shell $(PYTHON) $(MOZILLA_DIR)/config/printconfigsetting.py $(DIST)/bin/platform.ini Build BuildID)
 endif
 
-MOZ_SOURCE_STAMP = $(firstword $(shell hg -R $(MOZILLA_DIR) parent --template="{node|short}\n" 2>/dev/null))
+#MOZ_SOURCE_STAMP = $(firstword $(shell hg -R $(MOZILLA_DIR) parent --template="{node|short}\n" 2>/dev/null))
 
 # strip a trailing slash from the repo URL because it's not always present,
 # and we want to construct a working URL in the sourcestamp file.
 # make+shell+sed = awful
 _dollar=$$
-MOZ_SOURCE_REPO = $(shell cd $(MOZILLA_DIR) && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
+#MOZ_SOURCE_REPO = $(shell cd $(MOZILLA_DIR) && hg showconfig paths.default 2>/dev/null | head -n1 | sed -e "s/^ssh:/http:/" -e "s/\/$(_dollar)//" )
 
 MOZ_SOURCESTAMP_FILE = $(DIST)/$(PKG_PATH)/$(MOZ_SOURCESTAMP_FILE_BASENAME).txt
 
 # JavaScript Shell
 PKG_JSSHELL = $(DIST)/jsshell-$(MOZ_PKG_PLATFORM).zip
 
 endif # PACKAGE_NAME_MK_INCLUDED
diff --git a/toolkit/xre/Makefile.in b/toolkit/xre/Makefile.in
--- a/toolkit/xre/Makefile.in
+++ b/toolkit/xre/Makefile.in
@@ -218,20 +218,20 @@ endif
 
 MOZ_SOURCE_STAMP ?= $(firstword $(shell hg -R $(topsrcdir) parent --template="{node|short}\n" 2>/dev/null))
 ifdef MOZ_SOURCE_STAMP
 
   INIARGS = --sourcestamp=$(MOZ_SOURCE_STAMP)
 
   # strip a trailing slash from the repo URL because it's not always present,
   # and we want to construct a working URL in buildconfig.html
-  SOURCE_REPO := $(firstword $(shell hg --repository $(topsrcdir) showconfig paths.default 2>/dev/null))
-  SOURCE_REPO := $(strip $(SOURCE_REPO))
-  SOURCE_REPO := $(patsubst ssh://%,http://%,$(SOURCE_REPO))
-  SOURCE_REPO := $(patsubst %/,%,$(SOURCE_REPO))
+  SOURCE_REPO ?= $(firstword $(shell hg --repository $(topsrcdir) showconfig paths.default 2>/dev/null))
+  SOURCE_REPO ?= $(strip $(SOURCE_REPO))
+  SOURCE_REPO ?= $(patsubst ssh://%,http://%,$(SOURCE_REPO))
+  SOURCE_REPO ?= $(patsubst %/,%,$(SOURCE_REPO))
 
   # command set should change based on revision control use.
   # warn for now in case (git, bzr, ...) is in use.
   $(call warnIfEmpty,SOURCE_REPO) 
 
   # extra sanity check for old versions of hg, no showconfig support
   ifeq (http,$(patsubst http%,http,$(SOURCE_REPO)))
     INIARGS += --sourcerepo=$(SOURCE_REPO)