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common.subr (252987) common.subr (253333)
1if [ ! "$_MEDIA_COMMON_SUBR" ]; then _MEDIA_COMMON_SUBR=1
2#
3# Copyright (c) 2012-2013 Devin Teske
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:

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19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
1if [ ! "$_MEDIA_COMMON_SUBR" ]; then _MEDIA_COMMON_SUBR=1
2#
3# Copyright (c) 2012-2013 Devin Teske
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:

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19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/usr.sbin/bsdconfig/share/media/common.subr 252987 2013-07-07 18:51:44Z dteske $
27# $FreeBSD: head/usr.sbin/bsdconfig/share/media/common.subr 253333 2013-07-14 03:08:52Z dteske $
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_dprintf "%s: loading includes..." media/common.subr
34f_include $BSDCFG_SHARE/device.subr
35f_include $BSDCFG_SHARE/media/any.subr
36f_include $BSDCFG_SHARE/struct.subr
37
38############################################################ GLOBALS
39
40#
41# Where to mount media
42#
43MOUNTPOINT=/dist
44
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_dprintf "%s: loading includes..." media/common.subr
34f_include $BSDCFG_SHARE/device.subr
35f_include $BSDCFG_SHARE/media/any.subr
36f_include $BSDCFG_SHARE/struct.subr
37
38############################################################ GLOBALS
39
40#
41# Where to mount media
42#
43MOUNTPOINT=/dist
44
45#
46# Media probe values to use for `f_media_get_TYPE media $file $PROBE' or
47# `f_device_get media $file $PROBE' (where $PROBE is one of the below values).
48#
49PROBE_EXIST=1
50PROBE_SIZE=2
51
45############################################################ FUNCTIONS
46
47# f_media_open
48#
49# Returms success if able to initialize the media device.
50#
51f_media_open()
52{

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78# more details.
79#
80f_media_verify()
81{
82 f_dprintf "f_media_verify: Verifying media device"
83 f_struct device_media || f_media_get_type
84}
85
52############################################################ FUNCTIONS
53
54# f_media_open
55#
56# Returms success if able to initialize the media device.
57#
58f_media_open()
59{

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85# more details.
86#
87f_media_verify()
88{
89 f_dprintf "f_media_verify: Verifying media device"
90 f_struct device_media || f_media_get_type
91}
92
86# f_media_generic_get $base $file [$probe_only]
93# f_media_generic_get $base $file [$probe_type]
87#
88# A generic open which follows a well-known "path" of places to look. If
94#
95# A generic open which follows a well-known "path" of places to look. If
89# $probe_only is present and non-NULL, returns success if $file exists.
96# $probe_type is present and non-NULL, returns success if $file exists. If
97# $probe_type is equal to $PROBE_SIZE, prints the size of $file in bytes to
98# standard-out.
90#
91f_media_generic_get()
92{
99#
100f_media_generic_get()
101{
93 local base="$1" file="$2" probe_only="$3"
102 local base="$1" file="$2" probe_type="$3"
94
95 local fname=f_media_generic_get
103
104 local fname=f_media_generic_get
96 f_dprintf "%s: base=[%s] files=[%s] probe_only=%s" \
97 $fname "$base" "$file" "$probe_only"
105 f_dprintf "%s: base=[%s] files=[%s] probe_type=%s" \
106 $fname "$base" "$file" "$probe_type"
98
99 local rel path
100 f_getvar $VAR_RELNAME rel
101 for path in \
102 "$base/$file" \
103 "$base/FreeBSD/$file" \
104 "$base/releases/$file" \
105 "$base/$rel/$file" \
106 ; do
107 if [ -f "$path" -a -r "$path" ]; then
108 f_dprintf "%s: file exists path=[%s]" $fname "$path"
107
108 local rel path
109 f_getvar $VAR_RELNAME rel
110 for path in \
111 "$base/$file" \
112 "$base/FreeBSD/$file" \
113 "$base/releases/$file" \
114 "$base/$rel/$file" \
115 ; do
116 if [ -f "$path" -a -r "$path" ]; then
117 f_dprintf "%s: file exists path=[%s]" $fname "$path"
109 [ "$probe_only" ] && return $SUCCESS
118 if [ "$probe_type" = "$PROBE_SIZE" ]; then
119 local size
120 if ! size=$( stat -f %z "$path" 2>&1 ); then
121 f_dprintf "stat: %s" "$size"
122 echo "-1"
123 else
124 f_isinteger "$size" || size=-1
125 echo $size
126 fi
127 fi
128 [ "$probe_type" ] && return $SUCCESS
110 cat "$path"
111 return
112 fi
113 done
114
115 path="$base/releases/$rel/$file" # Final path to try
116 if [ -f "$path" -a -r "$path" ]; then
117 f_dprintf "%s: file exists path=[%s]" $fname "$path"
129 cat "$path"
130 return
131 fi
132 done
133
134 path="$base/releases/$rel/$file" # Final path to try
135 if [ -f "$path" -a -r "$path" ]; then
136 f_dprintf "%s: file exists path=[%s]" $fname "$path"
118 [ "$probe_only" ] && return $SUCCESS
119 elif [ "$probe_only" ]; then
137 if [ "$probe_type" = "$PROBE_SIZE" ]; then
138 local size
139 if ! size=$( stat -f %z "$path" 2>&1 ); then
140 f_dprintf "stat: %s" "$size"
141 echo "-1"
142 else
143 f_isinteger "$size" || size=-1
144 echo $size
145 fi
146 fi
147 [ "$probe_type" ] && return $SUCCESS
148 elif [ "$probe_type" ]; then
149 [ "$probe_type" = "$PROBE_SIZE" ] && echo "-1"
120 return $FAILURE
121 fi
122 cat "$base/releases/$rel/$file" # Final path to try
123}
124
125############################################################ MAIN
126
127f_dprintf "%s: Successfully loaded." media/common.subr
128
129fi # ! $_MEDIA_COMMON_SUBR
150 return $FAILURE
151 fi
152 cat "$base/releases/$rel/$file" # Final path to try
153}
154
155############################################################ MAIN
156
157f_dprintf "%s: Successfully loaded." media/common.subr
158
159fi # ! $_MEDIA_COMMON_SUBR