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#!/bin/sh
WVF=vsn.mk
DEF_VER=v1.2.x.y.WINGS
WINGS_BRANCH=''
LF='
'
# First see if there is a version file (included in the source package),
# then try 'git describe', then DEF_VER.
if test -f version
then
VN=$(cat version) || VN="$DEF_VER"
elif test -d .git -o -f .git &&
VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
case "$VN" in
*$LF*) (exit 1) ;;
v[0-9]*-*-*)
git update-index -q --refresh
test -z "$(git diff-index --name-only HEAD --)" ||
VN="$VN-dirty"
WINGS_BRANCH=$(git symbolic-ref HEAD | sed 's/.*\///') ;;
v[0-9]*)
test -z "$(git diff-index --name-only HEAD --)" ||
VN="$VN-dirty" ;;
esac
then
VN=$(echo "$VN" | sed -e 's/-/./g');
else
VN="$DEF_VER"
fi
VN=$(expr "$VN" : v*'\(.*\)')
# Only update the file if there has been a change to
# the version number.
if test -r $WVF
then
VC=$(sed -n -e 's/^WINGS_VSN = //p' <$WVF)
else
VC=unset
fi
test "$VN" = "$VC" || {
echo >&2 "WINGS_VSN = $VN"
echo "# Automatically generated by $0 - DO NOT EDIT." > $WVF
echo "WINGS_VSN = $VN" >>$WVF
echo "WINGS_BRANCH = $WINGS_BRANCH" >>$WVF
}
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