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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#!/bin/bash
DEFAULT_DOCKCROSS_IMAGE=dockcross/windows-x86
#------------------------------------------------------------------------------
# Helpers
#
err() {
echo -e >&2 ERROR: $@\\n
}
die() {
err $@
exit 1
}
has() {
# eg. has command update
local kind=$1
local name=$2
type -t $kind:$name | grep -q function
}
#------------------------------------------------------------------------------
# Command handlers
#
command:update-image() {
docker pull $FINAL_IMAGE
}
help:update-image() {
echo Pull the latest $FINAL_IMAGE .
}
command:update-script() {
if cmp -s <( docker run $FINAL_IMAGE ) $0; then
echo $0 is up to date
else
echo -n Updating $0 '... '
docker run $FINAL_IMAGE > $0 && echo ok
fi
}
help:update-image() {
echo Update $0 from $FINAL_IMAGE .
}
command:update() {
command:update-image
command:update-script
}
help:update() {
echo Pull the latest $FINAL_IMAGE, and then update $0 from that.
}
command:help() {
if [[ $# != 0 ]]; then
if ! has command $1; then
err \"$1\" is not an dockcross command
command:help
elif ! has help $1; then
err No help found for \"$1\"
else
help:$1
fi
else
cat >&2 <<ENDHELP
Usage: dockcross [options] [--] command [args]
By default, run the given *command* in an dockcross Docker container.
The *options* can be one of:
--args|-a Extra args to the *docker run* command
--image|-i Docker cross-compiler image to use
--config|-c Bash script to source before running this script
Additionally, there are special update commands:
update-image
update-script
update
For update command help use: $0 help <command>
ENDHELP
exit 1
fi
}
#------------------------------------------------------------------------------
# Option processing
#
special_update_command=''
while [[ $# != 0 ]]; do
case $1 in
--)
break
;;
--args|-a)
ARG_ARGS="$2"
shift 2
;;
--config|-c)
ARG_CONFIG="$2"
shift 2
;;
--image|-i)
ARG_IMAGE="$2"
shift 2
;;
update|update-image|update-script)
special_update_command=$1
break
;;
-*)
err Unknown option \"$1\"
command:help
exit
;;
*)
break
;;
esac
done
# The precedence for options is:
# 1. command-line arguments
# 2. environment variables
# 3. defaults
# Source the config file if it exists
DEFAULT_DOCKCROSS_CONFIG=~/.dockcross
FINAL_CONFIG=${ARG_CONFIG-${DOCKCROSS_CONFIG-$DEFAULT_DOCKCROSS_CONFIG}}
[[ -f "$FINAL_CONFIG" ]] && source "$FINAL_CONFIG"
# Set the docker image
FINAL_IMAGE=${ARG_IMAGE-${DOCKCROSS_IMAGE-$DEFAULT_DOCKCROSS_IMAGE}}
# Handle special update command
if [ "$special_update_command" != "" ]; then
case $special_update_command in
update)
command:update
exit $?
;;
update-image)
command:update-image
exit $?
;;
update-script)
command:update-script
exit $?
;;
esac
fi
# Set the docker run extra args (if any)
FINAL_ARGS=${ARG_ARGS-${DOCKCROSS_ARGS}}
# If we are not running via boot2docker
if [ -z $DOCKER_HOST ]; then
USER_IDS="-e BUILDER_UID=$( id -u ) -e BUILDER_GID=$( id -g ) -e BUILDER_USER=$( id -un ) -e BUILDER_GROUP=$( id -gn )"
fi
#------------------------------------------------------------------------------
# Now, finally, run the command in a container
#
docker run --rm \
-v $PWD:/work \
$USER_IDS \
$FINAL_ARGS \
$FINAL_IMAGE "$@"
################################################################################
#
# This image is not intended to be run manually.
#
# To create a dockcross helper script for the
# dockcross/linux-armv7 image, run:
#
# docker run --rm dockcross/linux-armv7 > dockcross-linux-armv7
# chmod +x dockcross-linux-armv7
#
# You may then wish to move the dockcross script to your PATH.
#
################################################################################
|
