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@@ -1,203 +0,0 @@
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-#!/bin/sh
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-# Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
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-# Released under the terms of the GNU GPL
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-#
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-# Generate a newline separated list of entries from the file/directory
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-# supplied as an argument.
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-#
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-# If a file/directory is not supplied then generate a small dummy file.
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-#
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-# The output is suitable for gen_init_cpio built from usr/gen_init_cpio.c.
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-#
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-
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-default_initramfs() {
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- cat <<-EOF
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- # This is a very simple, default initramfs
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-
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- dir /dev 0755 0 0
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- nod /dev/console 0600 0 0 c 5 1
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- dir /root 0700 0 0
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- EOF
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-}
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-
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-filetype() {
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- local argv1="$1"
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-
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- # symlink test must come before file test
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- if [ -L "$argv1" ]; then
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- echo "slink"
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- elif [ -f "$argv1" ]; then
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- echo "file"
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- elif [ -d "$argv1" ]; then
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- echo "dir"
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- elif [ -b "$argv1" -o -c "$argv1" ]; then
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- echo "nod"
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- elif [ -p "$argv1" ]; then
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- echo "pipe"
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- elif [ -S "$argv1" ]; then
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- echo "sock"
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- else
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- echo "invalid"
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- fi
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- return 0
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-}
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-
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-print_mtime() {
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- local argv1="$1"
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- local mymtime="0"
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-
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- if [ -e "$argv1" ]; then
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- mymtime=$(find "$argv1" -printf "%T@\n" | sort -r | head -n 1)
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- fi
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-
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- echo "# Last modified: $mymtime"
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- echo
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-}
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-
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-parse() {
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- local location="$1"
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- local name=$(echo "$location" | sed -e "s,$srcdir,,")
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- # change '//' into '/'
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- name=$(echo $name | sed -e 's,/[/]*,/,g')
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- local mode="$2"
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- local uid="$3"
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- local gid="$4"
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- local ftype=$(filetype "$location")
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- # remap uid/gid to 0 if necessary
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- [ "x$uid" != "x" ] && [ $uid -eq $root_uid ] && uid=0
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- [ "x$gid" != "x" ] && [ $gid -eq $root_gid ] && gid=0
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- local str="$mode $uid $gid"
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-
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- [ "$ftype" = "invalid" ] && return 0
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- [ "$location" = "$srcdir" ] && return 0
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-
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- case "$ftype" in
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- "file")
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- str="$ftype $name $location $str"
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- ;;
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- "nod")
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- local devtype=
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- local maj=$(LC_ALL=C ls -l "$location" | \
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- awk '{sub(/,/, "", $5); print $5}')
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- local min=$(LC_ALL=C ls -l "$location" | \
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- awk '{print $6}')
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-
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- if [ -b "$location" ]; then
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- devtype="b"
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- else
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- devtype="c"
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- fi
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- str="$ftype $name $str $devtype $maj $min"
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- ;;
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- "slink")
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- local target=$(LC_ALL=C ls -l "$location" | \
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- awk '{print $11}')
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- str="$ftype $name $target $str"
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- ;;
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- *)
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- str="$ftype $name $str"
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- ;;
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- esac
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-
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- echo "$str"
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-
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- return 0
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-}
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-
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-usage() {
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- printf "Usage:\n"
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- printf "$0 [ [-u <root_uid>] [-g <root_gid>] [-d | <cpio_source>] ] . . .\n"
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- printf "\n"
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- printf -- "-u <root_uid> User ID to map to user ID 0 (root).\n"
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- printf " <root_uid> is only meaningful if <cpio_source>\n"
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- printf " is a directory.\n"
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- printf -- "-g <root_gid> Group ID to map to group ID 0 (root).\n"
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- printf " <root_gid> is only meaningful if <cpio_source>\n"
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- printf " is a directory.\n"
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- printf "<cpio_source> File list or directory for cpio archive.\n"
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- printf " If <cpio_source> is not provided then a\n"
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- printf " a default list will be output.\n"
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- printf -- "-d Output the default cpio list. If no <cpio_source>\n"
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- printf " is given then the default cpio list will be output.\n"
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- printf "\n"
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- printf "All options may be repeated and are interpreted sequentially\n"
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- printf "and immediately. -u and -g states are preserved across\n"
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- printf "<cpio_source> options so an explicit \"-u 0 -g 0\" is required\n"
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- printf "to reset the root/group mapping.\n"
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-}
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-
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-build_list() {
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- printf "\n#####################\n# $cpio_source\n"
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-
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- if [ -f "$cpio_source" ]; then
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- print_mtime "$cpio_source"
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- cat "$cpio_source"
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- elif [ -d "$cpio_source" ]; then
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- srcdir=$(echo "$cpio_source" | sed -e 's://*:/:g;s:/$::')
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- dirlist=$(find "$srcdir" -printf "%p %m %U %G\n" 2>/dev/null)
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-
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- # If $dirlist is only one line, then the directory is empty
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- if [ "$(echo "$dirlist" | wc -l)" -gt 1 ]; then
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- print_mtime "$cpio_source"
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-
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- echo "$dirlist" | \
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- while read x; do
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- parse $x
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- done
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- else
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- # Failsafe in case directory is empty
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- default_initramfs
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- fi
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- else
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- echo " $0: Cannot open '$cpio_source'" >&2
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- exit 1
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- fi
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-}
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-
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-
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-root_uid=0
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-root_gid=0
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-
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-while [ $# -gt 0 ]; do
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- arg="$1"
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- shift
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- case "$arg" in
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- "-u")
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- root_uid="$1"
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- shift
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- ;;
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- "-g")
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- root_gid="$1"
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- shift
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- ;;
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- "-d")
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- default_list="$arg"
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- default_initramfs
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- ;;
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- "-h")
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- usage
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- exit 0
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- ;;
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- *)
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- case "$arg" in
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- "-"*)
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- printf "ERROR: unknown option \"$arg\"\n" >&2
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- printf "If the filename validly begins with '-', then it must be prefixed\n" >&2
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- printf "by './' so that it won't be interpreted as an option." >&2
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- printf "\n" >&2
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- usage >&2
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- exit 1
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- ;;
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- *)
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- cpio_source="$arg"
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- build_list
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- ;;
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- esac
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- ;;
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- esac
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-done
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-
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-# spit out the default cpio list if a source hasn't been specified
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-[ -z "$cpio_source" -a -z "$default_list" ] && default_initramfs
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-
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-exit 0
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Arnout Vandecappelle (Essensium/Mind)