blob: c695cea6aa76297020ff71f276b73c24c2ac63a2 (
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
175
176
177
|
# $Id$
set_bootloader() {
case "${BOOTLOADER}" in
grub)
set_bootloader_grub
;;
grub2)
set_bootloader_grub2
;;
*)
print_warning "Bootloader ${BOOTLOADER} is not currently supported"
;;
esac
}
set_bootloader_read_fstab() {
local ROOTFS=$(awk 'BEGIN{RS="((#[^\n]*)?\n)"}( $2 == "/" ) { print $1; exit }' /etc/fstab)
local BOOTFS=$(awk 'BEGIN{RS="((#[^\n]*)?\n)"}( $2 == "'${BOOTDIR}'") { print $1; exit }' /etc/fstab)
# If ${BOOTDIR} is not defined in /etc/fstab, it must be the same as /
[ -z "${BOOTFS}" ] && BOOTFS=${ROOTFS}
echo "${ROOTFS} ${BOOTFS}"
}
set_bootloader_grub_read_device_map() {
# Read GRUB device map
[ ! -d ${TEMP} ] && mkdir ${TEMP}
echo "quit" | grub --batch --device-map=${TEMP}/grub.map &>/dev/null
echo "${TEMP}/grub.map"
}
set_bootloader_grub2() {
local GRUB_CONF
for candidate in \
"${BOOTDIR}/grub2/grub.cfg" \
"${BOOTDIR}/grub/grub.cfg" \
; do
if [[ -e "${candidate}" ]]; then
GRUB_CONF=${candidate}
break
fi
done
if [[ -z "${GRUB_CONF}" ]]; then
print_error 1 "Error! Grub2 configuration file does not exist, please ensure grub2 is correctly setup first."
return 0
fi
print_info 1 "You can customize Grub2 parameters in /etc/default/grub."
print_info 1 "Running grub2-mkconfig to create ${GRUB_CONF}..."
grub2-mkconfig -o "${GRUB_CONF}" 2> /dev/null
[ "${BUILD_RAMDISK}" -ne 0 ] && sed -i 's/ro single/ro debug/' "${GRUB_CONF}"
}
set_bootloader_grub() {
local GRUB_CONF="${BOOTDIR}/grub/grub.conf"
print_info 1 "Adding kernel to ${GRUB_CONF}..."
if [ ! -e ${GRUB_CONF} ]
then
local GRUB_BOOTFS
if [ -n "${BOOTFS}" ]
then
GRUB_BOOTFS=$BOOTFS
else
GRUB_BOOTFS=$(set_bootloader_read_fstab | cut -d' ' -f2)
fi
# Get the GRUB mapping for our device
local GRUB_BOOT_DISK1=$(echo ${GRUB_BOOTFS} | sed -e 's#\(/dev/.\+\)[[:digit:]]\+#\1#')
local GRUB_BOOT_DISK=$(awk '{if ($2 == "'${GRUB_BOOT_DISK1}'") {gsub(/(\(|\))/, "", $1); print $1;}}' ${TEMP}/grub.map)
local GRUB_BOOT_PARTITION=$(($(echo ${GRUB_BOOTFS} | sed -e 's#/dev/.\+\([[:digit:]]?*\)#\1#') - 1))
if [ -n "${GRUB_BOOT_DISK}" -a -n "${GRUB_BOOT_PARTITION}" ]
then
# Create grub configuration directory and file if it doesn't exist.
[ ! -d `dirname ${GRUB_CONF}` ] && mkdir -p `dirname ${GRUB_CONF}`
touch ${GRUB_CONF}
echo 'default 0' >> ${GRUB_CONF}
echo 'timeout 5' >> ${GRUB_CONF}
echo "root (${GRUB_BOOT_DISK},${GRUB_BOOT_PARTITION})" >> ${GRUB_CONF}
echo >> ${GRUB_CONF}
# Add grub configuration to grub.conf
echo "# Genkernel generated entry, see GRUB documentation for details" >> ${GRUB_CONF}
echo "title=Gentoo Linux ($KV)" >> ${GRUB_CONF}
echo -e "\tkernel /kernel-${KNAME}-${ARCH}-${KV} root=${GRUB_ROOTFS}" >> ${GRUB_CONF}
if [ "${BUILD_INITRD}" = '1' ]
then
if [ "${PAT}" -gt '4' ]
then
echo -e "\tinitrd /initramfs-${KNAME}-${ARCH}-${KV}" >> ${GRUB_CONF}
fi
fi
echo >> ${GRUB_CONF}
else
print_error 1 "Error! ${BOOTDIR}/grub/grub.conf does not exist and the correct settings can not be automatically detected."
print_error 1 "Please manually create your ${BOOTDIR}/grub/grub.conf file."
fi
else
# The grub.conf already exists, so let's try to duplicate the default entry
if set_bootloader_grub_check_for_existing_entry "${GRUB_CONF}"; then
print_warning 1 "An entry was already found for a kernel/initramfs with this name...skipping update"
return 0
fi
set_bootloader_grub_duplicate_default "${GRUB_CONF}"
fi
}
set_bootloader_grub_duplicate_default_replace_kernel_initrd() {
sed -r -e "/^[[:space:]]*kernel/s/kernel-[[:alnum:][:punct:]]+/kernel-${KNAME}-${ARCH}-${KV}/" - |
sed -r -e "/^[[:space:]]*initrd/s/init(rd|ramfs)-[[:alnum:][:punct:]]+/init\1-${KNAME}-${ARCH}-${KV}/"
}
set_bootloader_grub_check_for_existing_entry() {
local GRUB_CONF=$1
if grep -q "^[[:space:]]*kernel[[:space:]=]*.*/kernel-${KNAME}-${ARCH}-${KV}\([[:space:]]\|$\)" "${GRUB_CONF}" &&
grep -q "^[[:space:]]*initrd[[:space:]=]*.*/initramfs-${KNAME}-${ARCH}-${KV}\([[:space:]]\|$\)" "${GRUB_CONF}"
then
return 0
fi
return 1
}
set_bootloader_grub_duplicate_default() {
local GRUB_CONF=$1
local GRUB_CONF_TMP="${GRUB_CONF}.tmp"
line_count=$(wc -l < "${GRUB_CONF}")
line_nums="$(grep -n "^title" "${GRUB_CONF}" | cut -d: -f1)"
if [ -z "${line_nums}" ]; then
print_error 1 "No current 'title' entries found in your grub.conf...skipping update"
return 0
fi
line_nums="${line_nums} $((${line_count}+1))"
# Find default entry
default=$(sed -rn '/^[[:space:]]*default[[:space:]=]/s/^.*default[[:space:]=]+([[:alnum:]]+).*$/\1/p' "${GRUB_CONF}")
if [ -z "${default}" ]; then
print_warning 1 "No default entry found...assuming 0"
default=0
fi
if ! echo ${default} | grep -q '^[0-9]\+$'; then
print_error 1 "We don't support non-numeric (such as 'saved') default values...skipping update"
return 0
fi
# Grub defaults are 0 based, cut is 1 based
# Figure out where the default entry lives
startstop=$(echo ${line_nums} | cut -d" " -f$((${default}+1))-$((${default}+2)))
startline=$(echo ${startstop} | cut -d" " -f1)
stopline=$(echo ${startstop} | cut -d" " -f2)
# Write out the bits before the default entry
sed -n 1,$((${startline}-1))p "${GRUB_CONF}" > "${GRUB_CONF_TMP}"
# Put in our title
echo "title=Gentoo Linux (${KV})" >> "${GRUB_CONF_TMP}"
# Pass the default entry (minus the title) through to the replacement function and pipe the output to GRUB_CONF_TMP
sed -n $((${startline}+1)),$((${stopline}-1))p "${GRUB_CONF}" | set_bootloader_grub_duplicate_default_replace_kernel_initrd >> "${GRUB_CONF_TMP}"
# Finish off with everything including the previous default entry
sed -n ${startline},${line_count}p "${GRUB_CONF}" >> "${GRUB_CONF_TMP}"
cp "${GRUB_CONF}" "${GRUB_CONF}.bak"
cp "${GRUB_CONF_TMP}" "${GRUB_CONF}"
rm "${GRUB_CONF_TMP}"
}
|
GitWeb