blob: 2487d5f358db4e866984b290f929e084b547d016 (
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
|
#!/bin/bash
if [ $(id -u) != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
set -e
echo -e 'Welcome to the GentooX setup, the installation script mainly consists of:
\t- providing this script with a target partition where system will be installed
\t- extracting precompiled squashfs system image into the specified parition
\t- setting up GRUB, BIOS or UEFI mode will be used depending how system was booted
\tGentooX uses openSUSE-style BTRFS root partition & subvolumes for snapshotting with snapper
\tGentooX requires minimum of 16GB of space, and use of BTRFS is hardcoded
mounting target partition to /mnt/install
unsquash -f -i -d /mnt/install/ /mnt/cdrom/image.squashfs
/usr/local/sbin/genfstab -U >> /mnt/install/etc/fstab
/usr/local/sbin/arch-chroot /mnt/install/
grub-install --target=x86_64-efi for UEFI mode or grub-install --target=i386-pc (BIOS only)'
declare -A PART_SCHEME
PART_SCHEME[a]="Automatic"
PART_SCHEME[m]="Manual"
if [[ -d /sys/firmware/efi/ ]]; then UEFI_MODE=y; fi
setup_btrfs () {
DEVICE=$1
mkfs.btrfs -f -L GENTOO /dev/$DEVICE
mkdir /mnt/install
mount /dev/$DEVICE /mnt/install
btrfs subvolume create /mnt/install/@
btrfs subvolume create /mnt/install/@/.snapshots
mkdir /mnt/install/@/.snapshots/1
btrfs subvolume create /mnt/install/@/.snapshots/1/snapshot
mkdir -p /mnt/install/@/boot/grub2/
btrfs subvolume create /mnt/install/@/boot/grub/i386-pc
btrfs subvolume create /mnt/install/@/boot/grub/x86_64-efi
btrfs subvolume create /mnt/install/@/home
btrfs subvolume create /mnt/install/@/opt
btrfs subvolume create /mnt/install/@/root
btrfs subvolume create /mnt/install/@/srv
btrfs subvolume create /mnt/install/@/tmp
mkdir /mnt/install/@/usr/
btrfs subvolume create /mnt/install/@/usr/local
btrfs subvolume create /mnt/install/@/var
chattr +C /mnt/install/@/var
echo "<?xml version=\"1.0\"?>
<snapshot>
<type>single</type>
<num>1</num>
<date>$(date)</date>
<description>first root filesystem</description>
</snapshot>" > /mnt/install/@/.snapshots/1/info.xml
btrfs subvolume set-default $(btrfs subvolume list /mnt/install | grep "@/.snapshots/1/snapshot" | grep -oP '(?<=ID )[0-9]+') /mnt/install
umount /mnt/install
mount /dev/$DEVICE /mnt/install
# ls /mnt/install should respond with empty result
mkdir /mnt/install/.snapshots
mkdir -p /mnt/install/boot/grub/i386-pc
mkdir -p /mnt/install/boot/grub/x86_64-efi
mkdir /mnt/install/home
mkdir /mnt/install/opt
mkdir /mnt/install/root
mkdir /mnt/install/srv
mkdir /mnt/install/tmp
mkdir -p /mnt/install/usr/local
mkdir /mnt/install/var
mount /dev/$DEVICE /mnt/install/.snapshots -o subvol=@/.snapshots
mount /dev/$DEVICE /mnt/install/boot/grub/i386-pc -o subvol=@/boot/grub/i386-pc
mount /dev/$DEVICE /mnt/install/boot/grub/x86_64-efi -o subvol=@/boot/grub/x86_64-efi
mount /dev/$DEVICE /mnt/install/home -o subvol=@/home
mount /dev/$DEVICE /mnt/install/opt -o subvol=@/opt
mount /dev/$DEVICE /mnt/install/root -o subvol=@/root
mount /dev/$DEVICE /mnt/install/srv -o subvol=@/srv
mount /dev/$DEVICE /mnt/install/tmp -o subvol=@/tmp
mount /dev/$DEVICE /mnt/install/usr/local -o subvol=@/usr/local
mount /dev/$DEVICE /mnt/install/var -o subvol=@/var
}
while :; do
echo
read -erp "Automatic partitioning (a) or manual partitioning (will launch gparted)? [a/m] " -n 1 partitioning_mode
if [[ $partitioning_mode = "a" ]]; then
read -erp "Enter drive to be formatted for GentooX installation: " -i "/dev/sda" drive
elif [[ $partitioning_mode = "m" ]]; then
if [[ ! -z $UEFI_MODE ]]; then echo "EFI boot detected, please also create EF00 ESP EFI partition..."; fi
gparted &> /dev/null &
read -erp "Enter formatted partition for GentooX installation: " -i "/dev/sda1" partition
else
echo "Invalid option"
continue
fi
read -erp "Partitioning: ${PART_SCHEME[$partitioning_mode]}
Partition: $partition
Is this correct? [y/n] " -n 1 yn
if [[ $yn == "y" ]]; then
break
fi
done
if [[ $partitioning_mode = "a" ]]; then
if [[ ! -z $UEFI_MODE ]]; then
echo -e "o\nn\np\n1\n+256M\n\np\n2\n\n\nw" | gdisk /dev/$drive
mkfs.vfat -F32 "${drive}1"
UEFI_PART="${drive}1"
setup_btrfs "${drive}2"
else
echo -e "o\nn\np\n1\n\n\nw" | fdisk /dev/$drive
setup_btrfs "${drive}1"
fi
else
# user done the partitioning
read -erp "Enter formatted EF00 ESP partition for EFI: " -i "/dev/sda1" efi_partition
setup_btrfs $partition
fi
echo "extracting precompiled image.squashfs GentooX image to the target partition..."
unsquash -f -d /mnt/install/ /mnt/cdrom/image.squashfs
/usr/local/sbin/genfstab -U >> /mnt/install/etc/fstab
mount -t proc none /mnt/install/proc
mount --rbind /dev /mnt/install/dev
mount --rbind /sys /mnt/install/sys
cat <<HEREDOC | chroot .
source /etc/profile && export PS1="(chroot) \$PS1"
sensors-detect --auto
rc-update add lm_sensors default
NCORES=\$(getconf _NPROCESSORS_ONLN)
sed -i -r "s/^MAKEOPTS=\"([^\"]*)\"$/MAKEOPTS=\"-j\$NCORES\"/g" /etc/portage/make.conf
sed -i -r "s/^NTHREADS=\"([^\"]*)\"$/NTHREADS=\"\$NCORES\"/g" /etc/portage/make.conf
#rc-update add zfs-import boot
#rc-update add zfs-mount boot
HEREDOC
umount -l /mnt/install/boot/efi /mnt/install/var /mnt/install/usr/local /mnt/install/tmp /mnt/install/srv /mnt/install/root /mnt/install/opt /mnt/install/home /mnt/install/boot/grub/x86_64-efi /mnt/install/boot/grub/i386-pc /mnt/install/.snapshots /mnt/install
|
