tools: replace ipkg-utils with a reduced ipkg-build variant in scripts/

[openwrt/staging/mkresin.git] / scripts / ipkg-build

diff --git a/scripts/ipkg-build b/scripts/ipkg-build
new file mode 100755 (executable)
index 0000000..c466f28
--- /dev/null
+++ b/scripts/ipkg-build
@@ -0,0 +1,148 @@
+#!/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)}"
+
+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 -czpf $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 -czf $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 --format=gnu -zcf $pkg_file ./debian-binary ./data.tar.gz ./control.tar.gz )
+
+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"