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#!/bin/sh
#regen on bbot releases would screw with version
if [ "x${BUILDBOT_RELEASE}" != "x" ] ; then
echo "not regenerating version on buildbot release"
exit 0
fi
set -u
SOURCE="$1"
OUTPUT="$2"
REV="$(git -C "$SOURCE" describe --tags)" 2>/dev/null
if [ -z "$REV" ]; then
REV="unknown"
fi
OLDREV=""
if [ -s "$OUTPUT/VERSION" ] && [ -s "$OUTPUT/springlobby_config.h" ]; then
read OLDREV < "$OUTPUT/VERSION"
fi
if [ "$OLDREV" != "$REV" ]; then # version changed, update file
if [ "$REV" = "unknown" ]; then # new version could not be determined
if [ -n "$OLDREV" ]; then # don't set as old rev is known
echo "Could not determine version, using old rev $OLDREV"
exit
fi
fi
echo "Updating from version $OLDREV to $REV"
echo -n "$REV" > "$OUTPUT/VERSION"
sed "s;@SPRINGLOBBY_REV@;${REV};g" "$SOURCE/cmake/config.h" > "$OUTPUT/springlobby_config.h"
fi
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