Always remove revision.tmp

diff --git a/src/Makefile.am b/src/Makefile.am
index 2d922baa891bfb2deb28fc2a8a121cb596784643..888751f9763914583e49b2ce8b946d772ca06e68 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -513,8 +513,11 @@ stamp-revision:
        rm -f -- revision.tmp
        (git --git-dir="$(top_srcdir)/.git/" describe --tags --long \
                --always || echo exported) > revision.tmp
-       diff revision.tmp revision.txt >/dev/null 2>&1 || \
-       mv -f -- revision.tmp revision.txt
+       if diff revision.tmp revision.txt >/dev/null; then \
+               rm -f -- revision.tmp; \
+       else \
+               mv -f -- revision.tmp revision.txt; \
+       fi 2>&1
 
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 # Unit/regression test