Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Newer
Older
100644 225 lines (171 sloc) 5.619 kB
75052c2 @falconindy initial commit
authored
1 #!/bin/bash
2 #
e5a8d5b @falconindy standardize file headers and add MIT licensee
authored
3 # geninit.api
75052c2 @falconindy initial commit
authored
4 #
e5a8d5b @falconindy standardize file headers and add MIT licensee
authored
5 # This file is part of geninit.
6 #
7 # declares intended public API calls for builders to use. These functions
8 # should be used over other functions in geninit such as __add_file, which have
9 # no awareness of things such as $basedir or $kernver.
75052c2 @falconindy initial commit
authored
10 #
11
6438c9a @falconindy cleanup API, flesh out comments
authored
12 add_dir() { # {{{
61ed3b4 @falconindy use find|cpio instead of gen_init_cpio
authored
13 # add a directory (with parents)
6438c9a @falconindy cleanup API, flesh out comments
authored
14 # $1: absolute path on initcpio
75052c2 @falconindy initial commit
authored
15 # $2: mode (optional, defaults to 755)
16
17 (( ! $# )) && return 1 # NOOP
18
19 local path=$1 mode=${2:-755}
20
21 __add_dir "$path" "$mode"
6438c9a @falconindy cleanup API, flesh out comments
authored
22 } # }}}
75052c2 @falconindy initial commit
authored
23
24 add_file() { # {{{
25 # add a regular file. no parsing done.
26 # $1: source on disk
27 # $2: destination on initcpio (optional: assumes same as source)
28
ce83c05 @falconindy cleanup API documentation
authored
29 (( $# )) || return 1 # NOOP
75052c2 @falconindy initial commit
authored
30
31 # determine source and destination
9ca666e @falconindy more fixes for adventures in $basedir land
authored
32 local src= dest=${2:-$1} mode=
75052c2 @falconindy initial commit
authored
33
9ca666e @falconindy more fixes for adventures in $basedir land
authored
34 if [[ ${1:0:1} == @ ]]; then # assert an absolute path
35 src=${1:1}
36 else
37 src=$basedir$1
75052c2 @falconindy initial commit
authored
38 fi
39
9ca666e @falconindy more fixes for adventures in $basedir land
authored
40 [[ -f $src ]] || { err "$src: No such file"; return 1; }
41
75052c2 @falconindy initial commit
authored
42 mode=$(stat -c %a "$src")
43 if [[ -z $mode ]]; then
f404baa @falconindy add_file: call add_path_to_file before __add_file
authored
44 err "failed to stat file: \`$src'"
75052c2 @falconindy initial commit
authored
45 return 1
46 fi
47
e37a454 @falconindy avoid using public API from within the API itself
authored
48 __add_file "${dest#$basedir}" "$src" "$mode"
75052c2 @falconindy initial commit
authored
49 } # }}}
50
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
51 add_symlink() { # {{{
6438c9a @falconindy cleanup API, flesh out comments
authored
52 # add a symlink
9c28450 @falconindy reverse parameters to add_symlink to model common form of ls invocation
authored
53 # $1: target of $2
54 # $2: name on initcpio
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
55
ce83c05 @falconindy cleanup API documentation
authored
56 (( $# == 2 )) || return 1
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
57
c8af038 @falconindy fix regression spotted by commit 809b5b2
authored
58 add_path_to_file "$1"
9c28450 @falconindy reverse parameters to add_symlink to model common form of ls invocation
authored
59 __add_slink "$2" "$1"
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
60 } # }}}
75052c2 @falconindy initial commit
authored
61
62 add_path_to_file() { # {{{
6438c9a @falconindy cleanup API, flesh out comments
authored
63 # add the path leading up to a file
64 # $1: filename with full path
ce83c05 @falconindy cleanup API documentation
authored
65
66 (( $# )) || return 1
67
68 add_dir "${1%/*}"
75052c2 @falconindy initial commit
authored
69 } # }}}
70
71 add_module() { # {{{
ce83c05 @falconindy cleanup API documentation
authored
72 # add a kernel module with dependencies
6438c9a @falconindy cleanup API, flesh out comments
authored
73 # $1: kernel module by name (no path, with or without extension)
75052c2 @falconindy initial commit
authored
74
ce83c05 @falconindy cleanup API documentation
authored
75 (( $# )) || return 1
76
75052c2 @falconindy initial commit
authored
77 local -a firmware moddeps
e37a454 @falconindy avoid using public API from within the API itself
authored
78 local modpath= module= mod= dep=
75052c2 @falconindy initial commit
authored
79
80 module=${1%.ko?(.gz)}
81
82 if [[ -z $basedir ]]; then # fast path =)
83 read -rd '' modpath < <(kmodinfo -n "$module" 2>/dev/null)
84 else # slow path =(
e37a454 @falconindy avoid using public API from within the API itself
authored
85 read -rd '' modpath < <(find "$basedir$moduledir/kernel" -type f \
86 -name "$module.ko" -o -name "$module.ko.gz" -print0)
75052c2 @falconindy initial commit
authored
87 fi
88
2144b1a @falconindy remove debag statement
authored
89 [[ -z $modpath ]] && return 1
75052c2 @falconindy initial commit
authored
90
e37a454 @falconindy avoid using public API from within the API itself
authored
91 __add_file "${modpath#$basedir}" "$modpath" 644 || return 1
75052c2 @falconindy initial commit
authored
92
93 # grab firmware
94 IFS=',' read -rd '' -a firmware < <(kmodinfo -F firmware "$modpath")
95 for fw in "${firmware[@]}"; do
e37a454 @falconindy avoid using public API from within the API itself
authored
96 __add_file "/lib/firmware/$fw" "/lib/firmware/$fw" 644
75052c2 @falconindy initial commit
authored
97 done
98
6438c9a @falconindy cleanup API, flesh out comments
authored
99 # resolve deps
75052c2 @falconindy initial commit
authored
100 IFS=',' read -rd '' -a moddeps < <(kmodinfo -F depends "$modpath")
101 for dep in "${moddeps[@]}"; do
102 add_module "$dep"
103 done
104
105 # add in any quirks
f2136d7 @falconindy add quirks file for quirky modules
authored
106 for mod in ${modquirks[$module]}; do
107 add_module "$mod"
108 done
75052c2 @falconindy initial commit
authored
109
110 return 0
111 } # }}}
112
113 add_binary() { # {{{
ce83c05 @falconindy cleanup API documentation
authored
114 # add a binary file with .so depends
115 # $1: path to binary
9ca666e @falconindy more fixes for adventures in $basedir land
authored
116 # $2: destination on initcpio (optional: assumes same as source)
ce83c05 @falconindy cleanup API documentation
authored
117
118 (( $# )) || return 1
75052c2 @falconindy initial commit
authored
119
120 local -a sodeps
9ca666e @falconindy more fixes for adventures in $basedir land
authored
121 local binary= dest= mode= sodep= resolved= dirname=
122
123 if [[ ${1:0:1} == @ ]]; then # assert an absolute path
124 binary=${1:1}
125 else
126 binary=$basedir$1
127 fi
128
129 [[ -f $binary ]] || { err "$binary not found"; return 1; }
e37a454 @falconindy avoid using public API from within the API itself
authored
130
9ca666e @falconindy more fixes for adventures in $basedir land
authored
131 dest=${2:-$binary}
e37a454 @falconindy avoid using public API from within the API itself
authored
132 mode=$(stat -c %a "$binary")
517c50b @falconindy reroute non-binaries passed to add_binary
authored
133
134 if ! "$ld_so" --verify "$binary"; then
135 # this isn't a binary!
e37a454 @falconindy avoid using public API from within the API itself
authored
136 __add_file "${binary#$basedir}" "$binary" "$mode"
517c50b @falconindy reroute non-binaries passed to add_binary
authored
137 return $? # return with add_file's return val
138 fi
75052c2 @falconindy initial commit
authored
139
9ca666e @falconindy more fixes for adventures in $basedir land
authored
140 IFS=$'\n' read -rd '' -a sodeps < <(ldd "$binary" |\
75052c2 @falconindy initial commit
authored
141 sed -n '2,$s#.\+=>[[:blank:]]\+\([^ ]\+\) (.\+#\1#p')
142
143 for sodep in "${sodeps[@]}"; do
144 [[ -e $sodep ]] || continue
145
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
146 if [[ -f $sodep ]]; then # but wait! a symlink is a regular file! FFFUUUUU
e37a454 @falconindy avoid using public API from within the API itself
authored
147 mode=$(stat -c %a "$sodep")
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
148 if [[ ! -L $sodep ]]; then
e37a454 @falconindy avoid using public API from within the API itself
authored
149 __add_file "$sodep"
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
150 else
e37a454 @falconindy avoid using public API from within the API itself
authored
151 resolved=$(readlink -e "$basedir$sodep")
152 dirname=${resolved%/*}
153 __add_dir "${dirname#$basedir}" 755
154 __add_slink "$sodep" "${resolved#$basedir}"
9ca666e @falconindy more fixes for adventures in $basedir land
authored
155 __add_file "${resolved#$basedir}" "$resolved" 755
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
156 fi
157 fi
75052c2 @falconindy initial commit
authored
158 done
159
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
160 # the binary itself
9ca666e @falconindy more fixes for adventures in $basedir land
authored
161 __add_file "${dest#$basedir}" "${binary#$basedir}" 755
75052c2 @falconindy initial commit
authored
162
adc8b85 @falconindy fix add_binary so it adds more than just broken symlinks
authored
163 # we always need the big bad linker
74585f2 @falconindy Don't try to add /lib/ld.so every add_binary call
authored
164 if [[ ! -e $buildroot$ld_so ]]; then
165 resolved=$(readlink -e "$basedir$ld_so")
166 __add_slink "$ld_so" "$resolved"
167 __add_file "${resolved#$basedir}" "$resolved" 755
168 fi
75052c2 @falconindy initial commit
authored
169 } # }}}
170
ce83c05 @falconindy cleanup API documentation
authored
171 add_pipe() { # {{{
172 # add a fifo
173 # $1: path of pipe
174 # $2: mode (optional, defaults to 644)
175
176 (( $# )) || return 1
177
178 __add_pipe "$1" "${2:-644}"
179 } # }}}
75052c2 @falconindy initial commit
authored
180
f1b4dae @falconindy introduce use_hookscript public API call
authored
181 use_hookscript() { # {{{
182 # specifies that a builder should install a hookscript
ce83c05 @falconindy cleanup API documentation
authored
183 # "$builder" comes from the builder parsing loop in main
9fd7d2b @falconindy fix grep call in add_driver_classes one more time
authored
184
f1b4dae @falconindy introduce use_hookscript public API call
authored
185 [[ $builder ]] || return 1
5aa2902 @falconindy fix erroneous call to public API in use_hookscript
authored
186 __add_file "$basedir$_sharedir/hooks/$builder" "/hooks/$builder" 755
f1b4dae @falconindy introduce use_hookscript public API call
authored
187 } # }}}
188
75052c2 @falconindy initial commit
authored
189 add_driver_classes() { # {{{
7b78689 @falconindy implement module filtering for add_driver_classes
authored
190 # add a class of drivers, as a dir relative to /lib/modules/$kernver/kernel.
191 # if you need to block addition of modules, you can add glob patterns to the
46ccd58 @falconindy cleanup API comments
authored
192 # 'modulefilter' array within your builder. They must be quoted and the
193 # filter is cleared after parsing of each builder.
ce83c05 @falconindy cleanup API documentation
authored
194 # $@: directories
195
75052c2 @falconindy initial commit
authored
196 local -a mods
dbffde7 @falconindy give add_driver_classes meaningful return values
authored
197 local -i ret=0
6438c9a @falconindy cleanup API, flesh out comments
authored
198 local mod=
75052c2 @falconindy initial commit
authored
199
200 # find modules by class (e.g. drivers/ata)
e37a454 @falconindy avoid using public API from within the API itself
authored
201 pushd "$basedir$moduledir/kernel" &>/dev/null
75052c2 @falconindy initial commit
authored
202 while read -rd '' mod; do
203 mod=${mod##*/}
204 mods+=("${mod%.ko?(.gz)}")
2af2627 @falconindy remove extra call to add_path_to_file
authored
205 done < <(find "$@" -type f \( -name '*.ko' -o -name '*.ko.gz' \) -print0 2>/dev/null)
75052c2 @falconindy initial commit
authored
206 popd &>/dev/null
207
208 # only add what autodetect found if we have a module cache
ee088cb @falconindy standardize -|_ in autodetected mod pruning
authored
209 [[ -s $autodetect_cache ]] &&
afb7ec8 @falconindy supply grep with -F to avoid interpretation
authored
210 IFS=$'\n' read -rd '' -a mods < <(grep -xFf <(printf '%s\n' "${mods[@]//-/_}") "$autodetect_cache")
75052c2 @falconindy initial commit
authored
211
212 for mod in "${mods[@]}"; do
7b78689 @falconindy implement module filtering for add_driver_classes
authored
213 # check for filter match
214 for filter in "${modulefilter[@]}"; do
215 [[ $mod = $filter ]] && continue 2
216 done
217
dbffde7 @falconindy give add_driver_classes meaningful return values
authored
218 add_module "$mod" && (( ++ret ))
75052c2 @falconindy initial commit
authored
219 done
dbffde7 @falconindy give add_driver_classes meaningful return values
authored
220
221 # return 0 on modules added, else 1
222 return $(( ! ret ))
75052c2 @falconindy initial commit
authored
223 } # }}}
224
Something went wrong with that request. Please try again.