Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
executable file 200 lines (161 sloc) 4.55 KB
#!/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=$(stat -c "%s" "$tmp_dir"/data.tar.gz)
sed -i -e "s/^Installed-Size: .*/Installed-Size: $installed_size/" \
"$pkg_dir"/$CONTROL/control
( cd "$pkg_dir"/$CONTROL && $TAR --format=gnu --numeric-owner --sort=name -cf - --mtime="$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"