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#!/bin/sh
. ./config.sh
Existing=`cat .patchnum 2>/dev/null`
Existing_Sha1=`cat .sha1 2>/dev/null`
if test -s ".patch" ; then
Current=`awk '{print $4}' .patch`
Sha1=`awk '{print $3}' .patch`
elif test -d ".git" ; then
# we should do something better here
Current=`git describe`
Sha1=`git rev-parse HEAD`
Changed=`git diff-index --name-only HEAD`
test -n "$Changed" && Current="$Current-with-uncommitted-changes"
fi
if test "$Existing" != "$Current" -o "$Existing_Sha1" != "$Sha1" ; then
(echo "hi there\c" ; echo " ") >.echotmp
if $contains c .echotmp >/dev/null 2>&1 ; then
n='-n'
c=''
else
n=''
c='\c'
fi
rm -f .echotmp
echo "Updating .patchnum and .sha1"
echo $n "$Current$c" > .patchnum
echo $n "$Sha1$c" > .sha1
else
echo "Reusing .patchnum and .sha1"
fi
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