Use git log instead of git show in Makefile

diff --git a/Makefile b/Makefile
index d851fb121fcc51d3153cf0096a4c5b646a7f7996..29fe03a6eea5b8bbf7c1ca68f152b23244f1e0ab 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -68,7 +68,7 @@ clean:
 \f
 .PHONY: libbe/_version.py
 libbe/_version.py:
-       git show --pretty='format:"Autogenerated by make libbe/_version.py"%nversion_info = {%n    "date":"%ci",%n    "revision":"%H",%n    "committer":"%cn"}' > $@
+       git log -1 --date=short --pretty='format:"Autogenerated by make libbe/_version.py"%nversion_info = {%n    "date":"%cd",%n    "revision":"%H",%n    "committer":"%cn"}%n' > $@
 
 .PHONY: man
 man: ${MANPAGE_FILES}