ipkg-build mkipkg : speedup (avoid grepping over controlfile by loading into array)

SpeciapMTFiles tothreaded : convert control files to -mt.control

1 files changed, 52 insertions, 11 deletions

diff --git a/scripts/ipkg-build b/scripts/ipkg-build
index c6af056..b661bbf 100755
--- a/scripts/ipkg-build
+++ b/scripts/ipkg-build
@@ -1,39 +1,74 @@
 #!/bin/bash
 
 # 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
 set -e
 
-ipkg_extract_value() {
-	sed -e "s/^[^:]*:[[:space:]]*//"
+#declare array for values and fields found in control file
+declare -a AllValues AllFields
+
+collect_values() {
+      local i line
+
+      i=0
+      while read line
+      do
+        AllFields[$i]=${line%%:*}
+        AllValues[$i]=`echo ${line#*:}` # echo to remove spaces
+        let i=i+1
+      done < ${pkg_dir}/${CONTROL}/control
 }
 
 required_field() {
-	field=$1
-
-	value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
-	if [ -z "$value" ]; then
-		echo "*** Error: $CONTROL/control is missing field $field" >&2
-		return 1
-	fi
-	echo $value
-	return 0
+        local field i
+        field=$1
+
+        i=0
+        for af in "${AllFields[@]}"
+        do
+          if [ "$field" = "$af" ]
+          then
+            # return value
+            echo "${AllValues[$i]}"
+            return 0;
+          fi
+          let i=i+1
+        done
+        # not found
+	echo "*** Error: $CONTROL/control is missing field $field" >&2
+	return 1
 }
 
+#ipkg_extract_value() {
+#	sed -e "s/^[^:]*:[[:space:]]*//"
+#}
+#
+#required_field() {
+#	field=$1
+#
+#	value=`grep "^$field:" < $CONTROL/control | ipkg_extract_value`
+#	if [ -z "$value" ]; then
+#		echo "*** Error: $CONTROL/control is missing field $field" >&2
+#		return 1
+#	fi
+#	echo $value
+#	return 0
+#}
+
 pkg_appears_sane() {
 	local pkg_dir=$1
 
 	local owd=`pwd`
 	cd $pkg_dir
 
 	PKG_ERROR=0
 
 	tilde_files=`find . -name '*~'`
 	if [ -n "$tilde_files" ]; then
 		echo "*** Warning: The following files have names ending in '~'.
 You probably want to remove them: " >&2
 		ls -ld $tilde_files
 		echo >&2
 	fi
 
@@ -124,32 +159,35 @@ ogargs=""
 outer=ar
 usage="Usage: $0 [-c] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
 while getopts "cg:o:" opt; do
     case $opt in
 	o ) owner=$OPTARG
 	    ogargs="--owner=$owner"
 	    ;;
 	g ) group=$OPTARG
 	    ogargs="$ogargs --group=$group"
 	    ;;
         c ) outer=tar
             ;;
 	\? ) 	echo $usage  >&2
 	esac
 done
 
+# maks sure that tar produces headers compatible with busybox format
+# debian needs this
+ogargs="$ogargs --format=oldgnu"
 
 shift $(($OPTIND - 1))
 
 # continue on to process additional arguments
 
 case $# in
 1)
 	dest_dir=.
 	;;
 2)
 	dest_dir=$2
 	;;
 *)
 	echo echo $usage >&2
 	exit 1 
 	;;
@@ -158,32 +196,35 @@ 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/DEBIAN ] && CONTROL=DEBIAN
 [ -d $pkg_dir/CONTROL ] && CONTROL=CONTROL
 if [ -z "$CONTROL" ]; then
 	echo "*** Error: Directory $pkg_dir has no CONTROL subdirectory." >&2
 	exit 1
 fi
 
+# load values 
+collect_values 
+
 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
 
 tar $ogargs -C $pkg_dir -czf $tmp_dir/data.tar.gz . --exclude=$CONTROL
 tar $ogargs -C $pkg_dir/$CONTROL -czf $tmp_dir/control.tar.gz .
 
 echo "2.0" > $tmp_dir/debian-binary
 
 pkg_file=$dest_dir/${pkg}_${version}_${arch}.ipk
 here_dir=$PWD