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#!/bin/sh
OUTPUT_FILE=$1
if command -v git 2>&1 >/dev/null &&
test -d $ERL_TOP/.git -o -f $ERL_TOP/.git
then
VSN=`git describe --match "OTP_R[0-9][0-9][A-B]*" HEAD`
case "$VSN" in
OTP_R*-g*)
VSN=`echo $VSN | sed -e 's/.*-g\\(.*\\)/\\1/g'` ;;
*) VSN="na" ;;
esac
else
VSN="na"
fi
# Only update the file if there has been a change to
# the version number.
if test -r $OUTPUT_FILE
then
VC=`sed -n -e 's/^.*"\\\\"\\(.*\\)\\\\"".*/\\1/p' < $OUTPUT_FILE`
else
VC=unset
fi
echo "VSN = $VSN"
echo "VC = $VC"
if test "$VSN" != "$VC"
then
echo "# Automatically generated by $0 - DO NOT EDIT." > $OUTPUT_FILE
if test "$VSN" = "na"
then
echo "# GIT_VSN=-DERLANG_GIT_VERSION=\"\\\"$VSN\\\"\"" >> $OUTPUT_FILE
else
echo "GIT_VSN=-DERLANG_GIT_VERSION=\"\\\"$VSN\\\"\"" >> $OUTPUT_FILE
fi
exit 0
fi
exit 1
|
