Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/scripts/gen_initramfs_list.sh
Parent Directory
|
Revision Log
Revision 628 -
(show annotations)
(download)
(as text)
Wed Mar 4 10:48:58 2009 UTC (15 years, 3 months ago) by niro
Original Path: alx-src/trunk/kernel26-alx/linux/scripts/gen_initramfs_list.sh
File MIME type: application/x-sh
File size: 4796 byte(s)
Wed Mar 4 10:48:58 2009 UTC (15 years, 3 months ago) by niro
Original Path: alx-src/trunk/kernel26-alx/linux/scripts/gen_initramfs_list.sh
File MIME type: application/x-sh
File size: 4796 byte(s)
import linux sources based on 2.6.12-alx-r9: -using linux-2.6.12.6 -using 2.6.12-ck6 patch set -using fbsplash-0.9.2-r3 -using vesafb-tng-0.9-rc7 -using squashfs-2.2 -added cddvd-cmdfilter-drop.patch as ck dropped it -added via-epia-dri (cle266) patch -added zd1211-svn-32 wlan driver (http://zd1211.ath.cx/download/) -added debian patches to zd1211 for wep256 etc
1 | #!/bin/bash |
2 | # Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org> |
3 | # Released under the terms of the GNU GPL |
4 | # |
5 | # Generate a newline separated list of entries from the file/directory |
6 | # supplied as an argument. |
7 | # |
8 | # If a file/directory is not supplied then generate a small dummy file. |
9 | # |
10 | # The output is suitable for gen_init_cpio built from usr/gen_init_cpio.c. |
11 | # |
12 | |
13 | default_initramfs() { |
14 | cat <<-EOF |
15 | # This is a very simple, default initramfs |
16 | |
17 | dir /dev 0755 0 0 |
18 | nod /dev/console 0600 0 0 c 5 1 |
19 | dir /root 0700 0 0 |
20 | EOF |
21 | } |
22 | |
23 | filetype() { |
24 | local argv1="$1" |
25 | |
26 | # symlink test must come before file test |
27 | if [ -L "${argv1}" ]; then |
28 | echo "slink" |
29 | elif [ -f "${argv1}" ]; then |
30 | echo "file" |
31 | elif [ -d "${argv1}" ]; then |
32 | echo "dir" |
33 | elif [ -b "${argv1}" -o -c "${argv1}" ]; then |
34 | echo "nod" |
35 | elif [ -p "${argv1}" ]; then |
36 | echo "pipe" |
37 | elif [ -S "${argv1}" ]; then |
38 | echo "sock" |
39 | else |
40 | echo "invalid" |
41 | fi |
42 | return 0 |
43 | } |
44 | |
45 | print_mtime() { |
46 | local argv1="$1" |
47 | local my_mtime="0" |
48 | |
49 | if [ -e "${argv1}" ]; then |
50 | my_mtime=$(find "${argv1}" -printf "%T@\n" | sort -r | head -n 1) |
51 | fi |
52 | |
53 | echo "# Last modified: ${my_mtime}" |
54 | echo |
55 | } |
56 | |
57 | parse() { |
58 | local location="$1" |
59 | local name="${location/${srcdir}//}" |
60 | # change '//' into '/' |
61 | name="${name//\/\///}" |
62 | local mode="$2" |
63 | local uid="$3" |
64 | local gid="$4" |
65 | local ftype=$(filetype "${location}") |
66 | # remap uid/gid to 0 if necessary |
67 | [ "$uid" -eq "$root_uid" ] && uid=0 |
68 | [ "$gid" -eq "$root_gid" ] && gid=0 |
69 | local str="${mode} ${uid} ${gid}" |
70 | |
71 | [ "${ftype}" == "invalid" ] && return 0 |
72 | [ "${location}" == "${srcdir}" ] && return 0 |
73 | |
74 | case "${ftype}" in |
75 | "file") |
76 | str="${ftype} ${name} ${location} ${str}" |
77 | ;; |
78 | "nod") |
79 | local dev_type= |
80 | local maj=$(LC_ALL=C ls -l "${location}" | \ |
81 | gawk '{sub(/,/, "", $5); print $5}') |
82 | local min=$(LC_ALL=C ls -l "${location}" | \ |
83 | gawk '{print $6}') |
84 | |
85 | if [ -b "${location}" ]; then |
86 | dev_type="b" |
87 | else |
88 | dev_type="c" |
89 | fi |
90 | str="${ftype} ${name} ${str} ${dev_type} ${maj} ${min}" |
91 | ;; |
92 | "slink") |
93 | local target=$(LC_ALL=C ls -l "${location}" | \ |
94 | gawk '{print $11}') |
95 | str="${ftype} ${name} ${target} ${str}" |
96 | ;; |
97 | *) |
98 | str="${ftype} ${name} ${str}" |
99 | ;; |
100 | esac |
101 | |
102 | echo "${str}" |
103 | |
104 | return 0 |
105 | } |
106 | |
107 | usage() { |
108 | printf "Usage:\n" |
109 | printf "$0 [ [-u <root_uid>] [-g <root_gid>] [-d | <cpio_source>] ] . . .\n" |
110 | printf "\n" |
111 | printf -- "-u <root_uid> User ID to map to user ID 0 (root).\n" |
112 | printf " <root_uid> is only meaningful if <cpio_source>\n" |
113 | printf " is a directory.\n" |
114 | printf -- "-g <root_gid> Group ID to map to group ID 0 (root).\n" |
115 | printf " <root_gid> is only meaningful if <cpio_source>\n" |
116 | printf " is a directory.\n" |
117 | printf "<cpio_source> File list or directory for cpio archive.\n" |
118 | printf " If <cpio_source> is not provided then a\n" |
119 | printf " a default list will be output.\n" |
120 | printf -- "-d Output the default cpio list. If no <cpio_source>\n" |
121 | printf " is given then the default cpio list will be output.\n" |
122 | printf "\n" |
123 | printf "All options may be repeated and are interpreted sequentially\n" |
124 | printf "and immediately. -u and -g states are preserved across\n" |
125 | printf "<cpio_source> options so an explicit \"-u 0 -g 0\" is required\n" |
126 | printf "to reset the root/group mapping.\n" |
127 | } |
128 | |
129 | build_list() { |
130 | printf "\n#####################\n# $cpio_source\n" |
131 | |
132 | if [ -f "$cpio_source" ]; then |
133 | print_mtime "$cpio_source" |
134 | cat "$cpio_source" |
135 | elif [ -d "$cpio_source" ]; then |
136 | srcdir=$(echo "$cpio_source" | sed -e 's://*:/:g') |
137 | dirlist=$(find "${srcdir}" -printf "%p %m %U %G\n" 2>/dev/null) |
138 | |
139 | # If $dirlist is only one line, then the directory is empty |
140 | if [ "$(echo "${dirlist}" | wc -l)" -gt 1 ]; then |
141 | print_mtime "$cpio_source" |
142 | |
143 | echo "${dirlist}" | \ |
144 | while read x; do |
145 | parse ${x} |
146 | done |
147 | else |
148 | # Failsafe in case directory is empty |
149 | default_initramfs |
150 | fi |
151 | else |
152 | echo " $0: Cannot open '$cpio_source'" >&2 |
153 | exit 1 |
154 | fi |
155 | } |
156 | |
157 | |
158 | root_uid=0 |
159 | root_gid=0 |
160 | |
161 | while [ $# -gt 0 ]; do |
162 | arg="$1" |
163 | shift |
164 | case "$arg" in |
165 | "-u") |
166 | root_uid="$1" |
167 | shift |
168 | ;; |
169 | "-g") |
170 | root_gid="$1" |
171 | shift |
172 | ;; |
173 | "-d") |
174 | default_list="$arg" |
175 | default_initramfs |
176 | ;; |
177 | "-h") |
178 | usage |
179 | exit 0 |
180 | ;; |
181 | *) |
182 | case "$arg" in |
183 | "-"*) |
184 | printf "ERROR: unknown option \"$arg\"\n" >&2 |
185 | printf "If the filename validly begins with '-', then it must be prefixed\n" >&2 |
186 | printf "by './' so that it won't be interpreted as an option." >&2 |
187 | printf "\n" >&2 |
188 | usage >&2 |
189 | exit 1 |
190 | ;; |
191 | *) |
192 | cpio_source="$arg" |
193 | build_list |
194 | ;; |
195 | esac |
196 | ;; |
197 | esac |
198 | done |
199 | |
200 | # spit out the default cpio list if a source hasn't been specified |
201 | [ -z "$cpio_source" -a -z "$default_list" ] && default_initramfs |
202 | |
203 | exit 0 |
Properties
Name | Value |
---|---|
svn:keywords | Id |