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openwrt/scripts/ipkg-build
Jo-Philipp Wich 3a3424981c scripts: ipkg-build: do not require git or svn
Move the "which svn" and "which git" calls next to the timestamp commands
using those tools to not prematurely fail on systems where svn or git are
not present.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2016-08-15 13:33:32 +02:00

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#!/bin/sh
# ipkg-build -- construct a .ipk from a directory
# Carl Worth <cworth@east.isi.edu>
# based on a script by Steve Redler IV, steve@sr-tech.com 5-21-2001
# 2003-04-25 rea@sr.unh.edu
# Updated to work on Familiar Pre0.7rc1, with busybox tar.
# Note it Requires: binutils-ar (since the busybox ar can't create)
# For UID debugging it needs a better "find".
set -e
version=1.0
FIND="$(which find)"
FIND="${FIND:-$(which gfind)}"
TAR="${TAR:-$(which tar)}"
GZIP="$(which gzip)"
# look up date of last commit
if [ -d "$TOPDIR/.git" ]; then
GIT="$(which git)"
TIMESTAMP=$(cd $TOPDIR; $GIT log -1 -s --format=%ci)
elif [ -d "$TOPDIR/.svn" ]; then
SVN="$(which svn)"
TIMESTAMP=$($SVN info "$TOPDIR" | sed -n "s/^Last Changed Date: \(.*\)/\1/p")
else
TIMESTAMP=$(date)
fi
ipkg_extract_value() {
sed -e "s/^[^:]*:[[:space:]]*//"
}
required_field() {
field=$1
grep "^$field:" < $CONTROL/control | ipkg_extract_value
}
pkg_appears_sane() {
local pkg_dir=$1
local owd=$PWD
cd $pkg_dir
PKG_ERROR=0
pkg=`required_field Package`
version=`required_field Version | sed 's/Version://; s/^.://g;'`
arch=`required_field Architecture`
if echo $pkg | grep '[^a-zA-Z0-9_.+-]'; then
echo "*** Error: Package name $name contains illegal characters, (other than [a-z0-9.+-])" >&2
PKG_ERROR=1;
fi
if [ -f $CONTROL/conffiles ]; then
rm -f $CONTROL/conffiles.resolved
for cf in `$FIND $(sed -e "s!^/!$pkg_dir/!" $CONTROL/conffiles) -type f`; do
echo "${cf#$pkg_dir}" >> $CONTROL/conffiles.resolved
done
rm $CONTROL/conffiles
mv $CONTROL/conffiles.resolved $CONTROL/conffiles
chmod 0644 $CONTROL/conffiles
fi
cd $owd
return $PKG_ERROR
}
###
# ipkg-build "main"
###
ogargs=""
noclean=0
usage="Usage: $0 [-c] [-C] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
while getopts "cg:ho:v" opt; do
case $opt in
o ) owner=$OPTARG
ogargs="--owner=$owner"
;;
g ) group=$OPTARG
ogargs="$ogargs --group=$group"
;;
c ) ;;
C ) noclean=1;;
v ) echo $version
exit 0
;;
h ) echo $usage >&2 ;;
\? ) echo $usage >&2
esac
done
shift $(($OPTIND - 1))
# continue on to process additional arguments
case $# in
1)
dest_dir=$PWD
;;
2)
dest_dir=$2
if [ "$dest_dir" = "." -o "$dest_dir" = "./" ] ; then
dest_dir=$PWD
fi
;;
*)
echo $usage >&2
exit 1
;;
esac
pkg_dir=$1
if [ ! -d $pkg_dir ]; then
echo "*** Error: Directory $pkg_dir does not exist" >&2
exit 1
fi
# CONTROL is second so that it takes precedence
CONTROL=
[ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
if [ -z "$CONTROL" ]; then
echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
exit 1
fi
if ! pkg_appears_sane $pkg_dir; then
echo >&2
echo "ipkg-build: Please fix the above errors and try again." >&2
exit 1
fi
tmp_dir=$dest_dir/IPKG_BUILD.$$
mkdir $tmp_dir
echo $CONTROL > $tmp_dir/tarX
# Preserve permissions (-p) when creating data.tar.gz as non-root user
( cd $pkg_dir && $TAR $ogargs -X $tmp_dir/tarX --format=gnu --sort=name -cpf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/data.tar.gz )
installed_size=`stat -c "%s" $tmp_dir/data.tar.gz`
sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
$pkg_dir/$CONTROL/control
( cd $pkg_dir/$CONTROL && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" . | $GZIP -n - > $tmp_dir/control.tar.gz )
rm $tmp_dir/tarX
echo "2.0" > $tmp_dir/debian-binary
pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
rm -f $pkg_file
( cd $tmp_dir && $TAR $ogargs --format=gnu --sort=name -cf - --mtime="$TIMESTAMP" ./debian-binary ./data.tar.gz ./control.tar.gz | $GZIP -n - > $pkg_file )
rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
rmdir $tmp_dir
echo "Packaged contents of $pkg_dir into $pkg_file"