blob: 6a32127e77cc35f8c15b3adc7030fa671d555b80 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Copy firmware files based on WHENCE list
#
verbose=:
# shellcheck disable=SC2209
compress=cat
compext=
destdir=
num_jobs=1
usage() {
echo "Usage: $0 [-v] [-jN] [--xz|--zstd] <destination directory>"
}
err() {
printf "ERROR: %s\n" "$*"
usage
exit 1
}
warn() {
printf "WARNING: %s\n" "$*"
}
has_gnu_parallel() {
if command -v parallel > /dev/null; then
# The moreutils package comes with a simpler version of "parallel"
# that does not support the --version or -a options. Check for
# that first. In some distros, installing the "parallel" package
# will replace the moreutils version with the GNU version.
if ! parallel --version > /dev/null 2>&1; then
return 1
fi
if parallel --version | grep -Fqi 'gnu parallel'; then
return 0
fi
fi
return 1
}
while test $# -gt 0; do
case $1 in
-v | --verbose)
# shellcheck disable=SC2209
verbose=echo
shift
;;
-j*)
num_jobs=$(echo "$1" | sed 's/-j//')
num_jobs=${num_jobs:-1}
if [ "$num_jobs" -gt 1 ] && ! has_gnu_parallel; then
err "the GNU parallel command is required to use -j"
fi
parallel_args_file=$(mktemp)
trap 'rm -f $parallel_args_file' EXIT INT QUIT TERM
shift
;;
--xz)
if test "$compext" = ".zst"; then
err "cannot mix XZ and ZSTD compression"
fi
compress="xz --compress --quiet --stdout --check=crc32"
compext=".xz"
shift
;;
--zstd)
if test "$compext" = ".xz"; then
err "cannot mix XZ and ZSTD compression"
fi
# shellcheck disable=SC2209
compress="zstd --compress --quiet --stdout"
compext=".zst"
shift
;;
-h|--help)
usage
exit 1
;;
-*)
# Ignore anything else that begins with - because that confuses
# the "test" command below
warn "ignoring option $1"
shift
;;
*)
if test -n "$destdir"; then
err "unknown command-line options: $*"
fi
destdir="$1"
shift
;;
esac
done
if test -z "$destdir"; then
err "destination directory was not specified"
fi
if test -d "$destdir"; then
find "$destdir" -type d -empty >/dev/null || warn "destination folder is not empty."
fi
if test -e .git/config; then
$verbose "Checking that WHENCE file is formatted properly"
./check_whence.py || err "check_whence.py has detected errors."
fi
# shellcheck disable=SC2162 # file/folder name can include escaped symbols
grep -E '^(RawFile|File):' WHENCE | sed -E -e 's/^(RawFile|File): */\1 /;s/"//g' | while read k f; do
install -d "$destdir/$(dirname "$f")"
$verbose "copying/compressing file $f$compext"
if test "$compress" != "cat" && test "$k" = "RawFile"; then
$verbose "compression will be skipped for file $f"
if [ "$num_jobs" -gt 1 ]; then
echo "cat \"$f\" > \"$destdir/$f\"" >> "$parallel_args_file"
else
cat "$f" > "$destdir/$f"
fi
else
if [ "$num_jobs" -gt 1 ]; then
echo "$compress \"$f\" > \"$destdir/$f$compext\"" >> "$parallel_args_file"
else
$compress "$f" > "$destdir/$f$compext"
fi
fi
done
if [ "$num_jobs" -gt 1 ]; then
parallel -j"$num_jobs" -a "$parallel_args_file"
echo > "$parallel_args_file" # prepare for next run
fi
# shellcheck disable=SC2162 # file/folder name can include escaped symbols
grep -E '^Link:' WHENCE | sed -e 's/^Link: *//g;s/-> //g' | while read l t; do
directory="$destdir/$(dirname "$l")"
install -d "$directory"
target="$(cd "$directory" && realpath -m -s "$t")"
if test -e "$target"; then
$verbose "creating link $l -> $t"
if [ "$num_jobs" -gt 1 ]; then
echo "ln -s \"$t\" \"$destdir/$l\"" >> "$parallel_args_file"
else
ln -s "$t" "$destdir/$l"
fi
else
$verbose "creating link $l$compext -> $t$compext"
if [ "$num_jobs" -gt 1 ]; then
echo "ln -s \"$t$compext\" \"$destdir/$l$compext\"" >> "$parallel_args_file"
else
ln -s "$t$compext" "$destdir/$l$compext"
fi
fi
done
if [ "$num_jobs" -gt 1 ]; then
parallel -j"$num_jobs" -a "$parallel_args_file"
fi
# Verify no broken symlinks
if test "$(find "$destdir" -xtype l | wc -l)" -ne 0 ; then
err "Broken symlinks found:\n$(find "$destdir" -xtype l)"
fi
exit 0
# vim: et sw=4 sts=4 ts=4
|
