aboutsummaryrefslogtreecommitdiff
path: root/fs/initramfs/gen_initramfs_list.sh
diff options
context:
space:
mode:
Diffstat (limited to 'fs/initramfs/gen_initramfs_list.sh')
-rw-r--r--fs/initramfs/gen_initramfs_list.sh203
1 files changed, 0 insertions, 203 deletions
diff --git a/fs/initramfs/gen_initramfs_list.sh b/fs/initramfs/gen_initramfs_list.sh
deleted file mode 100644
index 26252b6199..0000000000
--- a/fs/initramfs/gen_initramfs_list.sh
+++ /dev/null
@@ -1,203 +0,0 @@
-#!/bin/sh
-# Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
-# Released under the terms of the GNU GPL
-#
-# Generate a newline separated list of entries from the file/directory
-# supplied as an argument.
-#
-# If a file/directory is not supplied then generate a small dummy file.
-#
-# The output is suitable for gen_init_cpio built from usr/gen_init_cpio.c.
-#
-
-default_initramfs() {
- cat <<-EOF
- # This is a very simple, default initramfs
-
- dir /dev 0755 0 0
- nod /dev/console 0600 0 0 c 5 1
- dir /root 0700 0 0
- EOF
-}
-
-filetype() {
- local argv1="$1"
-
- # symlink test must come before file test
- if [ -L "$argv1" ]; then
- echo "slink"
- elif [ -f "$argv1" ]; then
- echo "file"
- elif [ -d "$argv1" ]; then
- echo "dir"
- elif [ -b "$argv1" -o -c "$argv1" ]; then
- echo "nod"
- elif [ -p "$argv1" ]; then
- echo "pipe"
- elif [ -S "$argv1" ]; then
- echo "sock"
- else
- echo "invalid"
- fi
- return 0
-}
-
-print_mtime() {
- local argv1="$1"
- local mymtime="0"
-
- if [ -e "$argv1" ]; then
- mymtime=$(find "$argv1" -printf "%T@\n" | sort -r | head -n 1)
- fi
-
- echo "# Last modified: $mymtime"
- echo
-}
-
-parse() {
- local location="$1"
- local name=$(echo "$location" | sed -e "s,$srcdir,,")
- # change '//' into '/'
- name=$(echo $name | sed -e 's,/[/]*,/,g')
- local mode="$2"
- local uid="$3"
- local gid="$4"
- local ftype=$(filetype "$location")
- # remap uid/gid to 0 if necessary
- [ "x$uid" != "x" ] && [ $uid -eq $root_uid ] && uid=0
- [ "x$gid" != "x" ] && [ $gid -eq $root_gid ] && gid=0
- local str="$mode $uid $gid"
-
- [ "$ftype" = "invalid" ] && return 0
- [ "$location" = "$srcdir" ] && return 0
-
- case "$ftype" in
- "file")
- str="$ftype $name $location $str"
- ;;
- "nod")
- local devtype=
- local maj=$(LC_ALL=C ls -l "$location" | \
- awk '{sub(/,/, "", $5); print $5}')
- local min=$(LC_ALL=C ls -l "$location" | \
- awk '{print $6}')
-
- if [ -b "$location" ]; then
- devtype="b"
- else
- devtype="c"
- fi
- str="$ftype $name $str $devtype $maj $min"
- ;;
- "slink")
- local target=$(LC_ALL=C ls -l "$location" | \
- awk '{print $11}')
- str="$ftype $name $target $str"
- ;;
- *)
- str="$ftype $name $str"
- ;;
- esac
-
- echo "$str"
-
- return 0
-}
-
-usage() {
- printf "Usage:\n"
- printf "$0 [ [-u <root_uid>] [-g <root_gid>] [-d | <cpio_source>] ] . . .\n"
- printf "\n"
- printf -- "-u <root_uid> User ID to map to user ID 0 (root).\n"
- printf " <root_uid> is only meaningful if <cpio_source>\n"
- printf " is a directory.\n"
- printf -- "-g <root_gid> Group ID to map to group ID 0 (root).\n"
- printf " <root_gid> is only meaningful if <cpio_source>\n"
- printf " is a directory.\n"
- printf "<cpio_source> File list or directory for cpio archive.\n"
- printf " If <cpio_source> is not provided then a\n"
- printf " a default list will be output.\n"
- printf -- "-d Output the default cpio list. If no <cpio_source>\n"
- printf " is given then the default cpio list will be output.\n"
- printf "\n"
- printf "All options may be repeated and are interpreted sequentially\n"
- printf "and immediately. -u and -g states are preserved across\n"
- printf "<cpio_source> options so an explicit \"-u 0 -g 0\" is required\n"
- printf "to reset the root/group mapping.\n"
-}
-
-build_list() {
- printf "\n#####################\n# $cpio_source\n"
-
- if [ -f "$cpio_source" ]; then
- print_mtime "$cpio_source"
- cat "$cpio_source"
- elif [ -d "$cpio_source" ]; then
- srcdir=$(echo "$cpio_source" | sed -e 's://*:/:g;s:/$::')
- dirlist=$(find "$srcdir" -printf "%p %m %U %G\n" 2>/dev/null)
-
- # If $dirlist is only one line, then the directory is empty
- if [ "$(echo "$dirlist" | wc -l)" -gt 1 ]; then
- print_mtime "$cpio_source"
-
- echo "$dirlist" | \
- while read x; do
- parse $x
- done
- else
- # Failsafe in case directory is empty
- default_initramfs
- fi
- else
- echo " $0: Cannot open '$cpio_source'" >&2
- exit 1
- fi
-}
-
-
-root_uid=0
-root_gid=0
-
-while [ $# -gt 0 ]; do
- arg="$1"
- shift
- case "$arg" in
- "-u")
- root_uid="$1"
- shift
- ;;
- "-g")
- root_gid="$1"
- shift
- ;;
- "-d")
- default_list="$arg"
- default_initramfs
- ;;
- "-h")
- usage
- exit 0
- ;;
- *)
- case "$arg" in
- "-"*)
- printf "ERROR: unknown option \"$arg\"\n" >&2
- printf "If the filename validly begins with '-', then it must be prefixed\n" >&2
- printf "by './' so that it won't be interpreted as an option." >&2
- printf "\n" >&2
- usage >&2
- exit 1
- ;;
- *)
- cpio_source="$arg"
- build_list
- ;;
- esac
- ;;
- esac
-done
-
-# spit out the default cpio list if a source hasn't been specified
-[ -z "$cpio_source" -a -z "$default_list" ] && default_initramfs
-
-exit 0