#!/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="$(command -v find)" FIND="${FIND:-$(command -v gfind)}" TAR="${TAR:-$(command -v tar)}" # try to use fixed source epoch if [ -n "$PKG_SOURCE_DATE_EPOCH" ]; then TIMESTAMP=$(date --date="@$PKG_SOURCE_DATE_EPOCH") elif [ -n "$SOURCE_DATE_EPOCH" ]; then TIMESTAMP=$(date --date="@$SOURCE_DATE_EPOCH") else TIMESTAMP=$(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 "$CONTROL"/conffiles if [ -f "$CONTROL"/conffiles.resolved ]; then LC_ALL=C sort -o "$CONTROL"/conffiles "$CONTROL"/conffiles.resolved rm "$CONTROL"/conffiles.resolved chmod 0644 "$CONTROL"/conffiles fi fi cd "$owd" return $PKG_ERROR } resolve_file_mode_id() { local var=$1 type=$2 name=$3 id case "$name" in root) id=0 ;; *[!0-9]*) id=$(sed -ne "s#^$type $name \\([0-9]\\+\\)\\b.*\$#\\1#p" "$TOPDIR/tmp/.packageusergroup" 2>/dev/null) ;; *) id=$name ;; esac export "$var=$id" [ -n "$id" ] } ### # ipkg-build "main" ### file_modes="" usage="Usage: $0 [-v] [-h] [-m] <pkg_directory> [<destination_directory>]" while getopts "hvm:" opt; do case $opt in v ) echo "$version" exit 0 ;; h ) echo "$usage" >&2 ;; m ) file_modes=$OPTARG ;; \? ) 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" = "." ] || [ "$dest_dir" = "./" ] ; then dest_dir=$PWD fi ;; *) echo "$usage" >&2 exit 1 ;; esac pkg_dir="$(realpath "$1")" if [ ! -d "$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 cd "$pkg_dir" for file_mode in $file_modes; do case $file_mode in /*:*:*:*) ;; *) echo "ERROR: file modes must use absolute path and contain user:group:mode" echo "$file_mode" exit 1 ;; esac mode=${file_mode##*:}; path=${file_mode%:*} group=${path##*:}; path=${path%:*} user=${path##*:}; path=${path%:*} if ! resolve_file_mode_id uid user "$user"; then echo "ERROR: unable to resolve uid of $user" >&2 exit 1 fi if ! resolve_file_mode_id gid group "$group"; then echo "ERROR: unable to resolve gid of $group" >&2 exit 1 fi chown "$uid:$gid" "$pkg_dir/$path" chmod "$mode" "$pkg_dir/$path" done $TAR -X "$tmp_dir"/tarX --format=gnu --numeric-owner --sort=name -cpf - --mtime="$TIMESTAMP" . | gzip -n - > "$tmp_dir"/data.tar.gz installed_size=$(zcat < "$tmp_dir"/data.tar.gz | wc -c) sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \ "$pkg_dir"/$CONTROL/control ( cd "$pkg_dir"/$CONTROL && $TAR --format=gnu --numeric-owner --sort=name -cf - --mtime="$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" && $TAR --format=gnu --numeric-owner --sort=name -cf - --mtime="$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"