open-simh.simtools/make-git-info
Olaf Seibert 80b20b17eb Add some info about git commit when printing the version.
Also modify dependency generation to be a side-effect of compilation.
It's still not quite perfect in picking up some changes (in particular
just after a commit, no files have changed but the git identification
is now different).
2015-07-06 21:43:03 +02:00

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#!/bin/sh
desc=$(git describe --tags)
if [ "$desc" = "" ]
then
echo "#undef GIT_VERSION" > new-git-info.h
else
auth=$(git log -n 1 "--pretty=format:%an <%ae> %aD")
echo "#define GIT_VERSION "'"'"$desc"'"' >new-git-info.h
echo "#define GIT_AUTHOR_DATE "'"'"$auth"'"' >>new-git-info.h
fi
# move-if-different
if diff new-git-info.h git-info.h >/dev/null 2>&1
then
rm new-git-info.h
else
mv new-git-info.h git-info.h
fi