Merge tag 'upstream-3.7-rc1' of git://git.infradead.org/linux-ubifs
[linux-3.10.git] / scripts / gen_initramfs_list.sh
index 5958fff..b482f16 100644 (file)
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
 # Copyright (C) 2006 Sam Ravnborg <sam@ravnborg.org>
 #
@@ -105,9 +105,9 @@ list_parse() {
 # for links, devices etc the format differs. See gen_init_cpio for details
 parse() {
        local location="$1"
-       local name="${location/${srcdir}//}"
+       local name="/${location#${srcdir}}"
        # change '//' into '/'
-       name="${name//\/\///}"
+       name=$(echo "$name" | sed -e 's://*:/:g')
        local mode="$2"
        local uid="$3"
        local gid="$4"
@@ -117,8 +117,8 @@ parse() {
        [ "$root_gid" = "squash" ] && gid=0 || [ "$gid" -eq "$root_gid" ] && gid=0
        local str="${mode} ${uid} ${gid}"
 
-       [ "${ftype}" == "invalid" ] && return 0
-       [ "${location}" == "${srcdir}" ] && return 0
+       [ "${ftype}" = "invalid" ] && return 0
+       [ "${location}" = "${srcdir}" ] && return 0
 
        case "${ftype}" in
                "file")
@@ -192,7 +192,7 @@ input_file() {
        if [ -f "$1" ]; then
                ${dep_list}header "$1"
                is_cpio="$(echo "$1" | sed 's/^.*\.cpio\(\..*\)\?/cpio/')"
-               if [ $2 -eq 0 -a ${is_cpio} == "cpio" ]; then
+               if [ $2 -eq 0 -a ${is_cpio} = "cpio" ]; then
                        cpio_file=$1
                        echo "$1" | grep -q '^.*\.cpio\..*' && is_cpio_compressed="compressed"
                        [ ! -z ${dep_list} ] && echo "$1"
@@ -204,7 +204,7 @@ input_file() {
                else
                        echo "$1 \\"
                        cat "$1" | while read type dir file perm ; do
-                               if [ "$type" == "file" ]; then
+                               if [ "$type" = "file" ]; then
                                        echo "$file \\";
                                fi
                        done
@@ -226,7 +226,7 @@ cpio_list=
 output="/dev/stdout"
 output_file=""
 is_cpio_compressed=
-compr="gzip -9 -f"
+compr="gzip -n -9 -f"
 
 arg="$1"
 case "$arg" in
@@ -240,9 +240,11 @@ case "$arg" in
                output_file="$1"
                cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
                output=${cpio_list}
-               echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f"
+               echo "$output_file" | grep -q "\.gz$" && compr="gzip -n -9 -f"
                echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
                echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
+               echo "$output_file" | grep -q "\.xz$" && \
+                               compr="xz --check=crc32 --lzma2=dict=1MiB"
                echo "$output_file" | grep -q "\.lzo$" && compr="lzop -9 -f"
                echo "$output_file" | grep -q "\.cpio$" && compr="cat"
                shift
@@ -282,11 +284,18 @@ while [ $# -gt 0 ]; do
 done
 
 # If output_file is set we will generate cpio archive and compress it
-# we are carefull to delete tmp files
+# we are careful to delete tmp files
 if [ ! -z ${output_file} ]; then
        if [ -z ${cpio_file} ]; then
+               timestamp=
+               if test -n "$KBUILD_BUILD_TIMESTAMP"; then
+                       timestamp="$(date -d"$KBUILD_BUILD_TIMESTAMP" +%s || :)"
+                       if test -n "$timestamp"; then
+                               timestamp="-t $timestamp"
+                       fi
+               fi
                cpio_tfile="$(mktemp ${TMPDIR:-/tmp}/cpiofile.XXXXXX)"
-               usr/gen_init_cpio ${cpio_list} > ${cpio_tfile}
+               usr/gen_init_cpio $timestamp ${cpio_list} > ${cpio_tfile}
        else
                cpio_tfile=${cpio_file}
        fi