mirror of https://github.com/debauchee/barrier.git
97 lines
2.3 KiB
Bash
Executable File
97 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
|
|
# add header to file. intended to add copyright info to files.
|
|
#
|
|
# usage: addheader <file-with-header> <file-to-modify>
|
|
|
|
# choose comment character
|
|
ext=`echo $2 | sed -e 's/.*\.\([^.]*\)$/\1/'`
|
|
case $ext in
|
|
c|cpp|h)
|
|
openComment='/*'
|
|
closeComment=' */'
|
|
innerComment=' * '
|
|
;;
|
|
am)
|
|
openComment=''
|
|
closeComment=''
|
|
innerComment='# '
|
|
;;
|
|
m4)
|
|
openComment=''
|
|
closeComment=''
|
|
innerComment='dnl '
|
|
;;
|
|
in)
|
|
if test $2 = "configure.in"; then
|
|
openComment=''
|
|
closeComment=''
|
|
innerComment='dnl '
|
|
fi
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
if test -z "$innerComment"; then
|
|
echo Unrecognized extension $ext. Exiting.
|
|
exit 1
|
|
fi
|
|
|
|
# create awk program to strip old header. we have to use a heuristic
|
|
# to determine what's a header. we'll strip any continuous comment
|
|
# at the start of a file that includes a line with `Copyright'.
|
|
body=".$$.ahb"
|
|
ocMatch=`echo "$openComment" | sed -e 's/\*/\\\\*/g' -e 's#/#\\\\/#g'`
|
|
ccMatch=`echo "$closeComment" | sed -e 's/\*/\\\\*/g' -e 's/^ +/ */' -e 's#/#\\\\/#g'`
|
|
icMatch=`echo "$innerComment" | sed -e 's/\*/\\\\*/g' -e 's#/#\\\\/#g'`
|
|
awkGetHeader="m==4"
|
|
if test -n "$ocMatch"; then
|
|
awkGetHeader="$awkGetHeader;m==0 && /${ocMatch}/{m=1}"
|
|
else
|
|
awkGetHeader="BEGIN{m=1};$awkGetHeader"
|
|
fi
|
|
if test -n "$ccMatch"; then
|
|
awkGetHeader="$awkGetHeader;m==1 && /^${icMatch}/{m=2}"
|
|
awkGetHeader="$awkGetHeader;/${ccMatch}/{m=4}"
|
|
else
|
|
awkGetHeader="m==3 && !/^${icMatch}/{m=4};$awkGetHeader"
|
|
awkGetHeader="$awkGetHeader;m==1 && /^${icMatch}/{m=3}"
|
|
fi
|
|
|
|
# strip old header
|
|
awk "$awkGetHeader" $2 > $body
|
|
if test $? -ne 0; then
|
|
rm -f $body
|
|
echo "can't parse file"
|
|
fi
|
|
|
|
# if body is empty then there was no header
|
|
if test ! -s $body; then
|
|
cp $2 $body
|
|
else
|
|
fLength=`cat $2 | wc -l`
|
|
bLength=`cat $body | wc -l`
|
|
hLength=`expr $fLength - $bLength`
|
|
crLine=`grep -n -i "copyright" $2 | sed -e 's/:.*//'`
|
|
test -z "$crLine" && crLine=`expr $hLength + 1`
|
|
if test $crLine -gt $hLength; then
|
|
# no copyright in header
|
|
cp $2 $body
|
|
fi
|
|
fi
|
|
|
|
# add new header
|
|
echo -n "" > $2
|
|
if test -n "$openComment"; then
|
|
echo "$openComment" >> $2
|
|
fi
|
|
cat $1 | sed -e "s/^/$innerComment/" >> $2
|
|
if test -n "$closeComment"; then
|
|
echo "$closeComment" >> $2
|
|
fi
|
|
head -1 $body | tr '\t' ' ' | grep "^ *$" > /dev/null
|
|
if test $? -eq 1; then
|
|
echo "" >> $2
|
|
fi
|
|
cat $body >> $2
|
|
rm -f $body
|