# HG changeset patch
# User Peter Rosin <peda@lysator.liu.se>
# Date 1356732797 -3600
# Node ID 3b0b0f3b01a6c4dc9519b811e612d1b78fb1a0b4
# Parent  b0688a78cfafc9ed170f612432c9eb4f26fc471c
maint.mk: handle missing git with more grace

* top/maint.mk (no-submodule-changes, public-submodule-commit): Quietly
proceed if git is not present.

Copyright-paperwork-exempt: yes
Signed-off-by: Peter Rosin <peda@lysator.liu.se>

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-12-31  Peter Rosin  <peda@lysator.liu.se>  (tiny change)
+
+	maint.mk: handle missing git with more grace
+	* top/maint.mk (no-submodule-changes, public-submodule-commit):
+	Quietly proceed if git is not present.
+
 2012-12-31  Eric Blake  <eblake@redhat.com>
 
 	dup2: work around cygwin bug
diff --git a/top/maint.mk b/top/maint.mk
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1370,7 +1370,8 @@
 
 .PHONY: no-submodule-changes
 no-submodule-changes:
-	$(AM_V_GEN)if test -d $(srcdir)/.git; then			\
+	$(AM_V_GEN)if test -d $(srcdir)/.git				\
+		&& git --version >/dev/null 2>&1; then			\
 	  diff=$$(cd $(srcdir) && git submodule -q foreach		\
 		  git diff-index --name-only HEAD)			\
 	    || exit 1;							\
@@ -1388,7 +1389,8 @@
 # cannot be built from a fresh clone.
 .PHONY: public-submodule-commit
 public-submodule-commit:
-	$(AM_V_GEN)if test -d $(srcdir)/.git; then			\
+	$(AM_V_GEN)if test -d $(srcdir)/.git				\
+		&& git --version >/dev/null 2>&1; then			\
 	  cd $(srcdir) &&						\
 	  git submodule --quiet foreach					\
 	      test '"$$(git rev-parse "$$sha1")"'			\