#!/usr/bin/env bash

# Dependencies: wget tar gzip
# Root rights are required

if [ $EUID != 0 ]; then
	echo "Root rights are required!"
 
	exit 1
fi

script_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"

mount_chroot () {
	# First unmount just in case
	umount -Rl "${bootstrap}"
	
	mount --bind "${bootstrap}" "${bootstrap}"
	mount --bind /dev "${bootstrap}"/dev
	mount --bind /dev/shm "${bootstrap}"/dev/shm
	mount --bind /dev/pts "${bootstrap}"/dev/pts
	mount --bind /proc "${bootstrap}"/proc
	mount --bind /sys "${bootstrap}"/sys
	mount --bind /etc/resolv.conf "${bootstrap}"/etc/resolv.conf
}

unmount_chroot () {
	umount -Rl "${bootstrap}"
}

run_in_chroot () {
	chroot "${bootstrap}" /usr/bin/env LANG=en_US.UTF-8 TERM=xterm PATH="/bin:/sbin:/usr/bin:/usr/sbin" "$@"
}

generate_localegen () {
	cat <<EOF > locale.gen
aa_DJ.UTF-8 UTF-8  
aa_ER UTF-8  
aa_ER@saaho UTF-8  
aa_ET UTF-8  
af_ZA.UTF-8 UTF-8  
agr_PE UTF-8  
ak_GH UTF-8  
am_ET UTF-8  
an_ES.UTF-8 UTF-8  
anp_IN UTF-8  
ar_AE.UTF-8 UTF-8  
ar_BH.UTF-8 UTF-8  
ar_DZ.UTF-8 UTF-8  
ar_EG.UTF-8 UTF-8  
ar_IN UTF-8  
ar_IQ.UTF-8 UTF-8  
ar_JO.UTF-8 UTF-8  
ar_KW.UTF-8 UTF-8  
ar_LB.UTF-8 UTF-8  
ar_LY.UTF-8 UTF-8  
ar_MA.UTF-8 UTF-8  
ar_OM.UTF-8 UTF-8  
ar_QA.UTF-8 UTF-8  
ar_SA.UTF-8 UTF-8  
ar_SD.UTF-8 UTF-8  
ar_SS UTF-8  
ar_SY.UTF-8 UTF-8  
ar_TN.UTF-8 UTF-8  
ar_YE.UTF-8 UTF-8  
ayc_PE UTF-8  
az_AZ UTF-8  
az_IR UTF-8  
as_IN UTF-8  
ast_ES.UTF-8 UTF-8  
be_BY.UTF-8 UTF-8  
be_BY@latin UTF-8  
bem_ZM UTF-8  
ber_DZ UTF-8  
ber_MA UTF-8  
bg_BG.UTF-8 UTF-8  
bhb_IN.UTF-8 UTF-8  
bho_IN UTF-8  
bho_NP UTF-8  
bi_VU UTF-8  
bn_BD UTF-8  
bn_IN UTF-8  
bo_CN UTF-8  
bo_IN UTF-8  
br_FR.UTF-8 UTF-8  
brx_IN UTF-8  
bs_BA.UTF-8 UTF-8  
byn_ER UTF-8  
ca_AD.UTF-8 UTF-8  
ca_ES.UTF-8 UTF-8  
ca_ES@valencia UTF-8  
ca_FR.UTF-8 UTF-8  
ca_IT.UTF-8 UTF-8  
ce_RU UTF-8  
chr_US UTF-8  
ckb_IQ UTF-8  
crh_UA UTF-8  
cs_CZ.UTF-8 UTF-8  
csb_PL UTF-8  
cv_RU UTF-8  
cy_GB.UTF-8 UTF-8  
da_DK.UTF-8 UTF-8  
de_AT.UTF-8 UTF-8  
de_BE.UTF-8 UTF-8  
de_CH.UTF-8 UTF-8  
de_DE.UTF-8 UTF-8  
de_IT.UTF-8 UTF-8  
de_LI.UTF-8 UTF-8  
de_LU.UTF-8 UTF-8  
doi_IN UTF-8  
dsb_DE UTF-8  
dv_MV UTF-8  
dz_BT UTF-8  
el_GR.UTF-8 UTF-8  
el_CY.UTF-8 UTF-8  
en_AG UTF-8  
en_AU.UTF-8 UTF-8  
en_BW.UTF-8 UTF-8  
en_CA.UTF-8 UTF-8  
en_DK.UTF-8 UTF-8  
en_GB.UTF-8 UTF-8  
en_HK.UTF-8 UTF-8  
en_IE.UTF-8 UTF-8  
en_IL UTF-8  
en_IN UTF-8  
en_NG UTF-8  
en_NZ.UTF-8 UTF-8  
en_PH.UTF-8 UTF-8  
en_SC.UTF-8 UTF-8  
en_SG.UTF-8 UTF-8  
en_US.UTF-8 UTF-8  
en_ZA.UTF-8 UTF-8  
en_ZM UTF-8  
en_ZW.UTF-8 UTF-8  
eo UTF-8  
es_AR.UTF-8 UTF-8  
es_BO.UTF-8 UTF-8  
es_CL.UTF-8 UTF-8  
es_CO.UTF-8 UTF-8  
es_CR.UTF-8 UTF-8  
es_CU UTF-8  
es_DO.UTF-8 UTF-8  
es_EC.UTF-8 UTF-8  
es_ES.UTF-8 UTF-8  
es_GT.UTF-8 UTF-8  
es_HN.UTF-8 UTF-8  
es_MX.UTF-8 UTF-8  
es_NI.UTF-8 UTF-8  
es_PA.UTF-8 UTF-8  
es_PE.UTF-8 UTF-8  
es_PR.UTF-8 UTF-8  
es_PY.UTF-8 UTF-8  
es_SV.UTF-8 UTF-8  
es_US.UTF-8 UTF-8  
es_UY.UTF-8 UTF-8  
es_VE.UTF-8 UTF-8  
et_EE.UTF-8 UTF-8  
eu_ES.UTF-8 UTF-8  
fa_IR UTF-8  
ff_SN UTF-8  
fi_FI.UTF-8 UTF-8  
fil_PH UTF-8  
fo_FO.UTF-8 UTF-8  
fr_BE.UTF-8 UTF-8  
fr_CA.UTF-8 UTF-8  
fr_CH.UTF-8 UTF-8  
fr_FR.UTF-8 UTF-8  
fr_LU.UTF-8 UTF-8  
fur_IT UTF-8  
fy_NL UTF-8  
fy_DE UTF-8  
ga_IE.UTF-8 UTF-8  
gd_GB.UTF-8 UTF-8  
gez_ER UTF-8  
gez_ER@abegede UTF-8  
gez_ET UTF-8  
gez_ET@abegede UTF-8  
gl_ES.UTF-8 UTF-8  
gu_IN UTF-8  
gv_GB.UTF-8 UTF-8  
ha_NG UTF-8  
hak_TW UTF-8  
he_IL.UTF-8 UTF-8  
hi_IN UTF-8  
hif_FJ UTF-8  
hne_IN UTF-8  
hr_HR.UTF-8 UTF-8  
hsb_DE.UTF-8 UTF-8  
ht_HT UTF-8  
hu_HU.UTF-8 UTF-8  
hy_AM UTF-8  
ia_FR UTF-8  
id_ID.UTF-8 UTF-8  
ig_NG UTF-8  
ik_CA UTF-8  
is_IS.UTF-8 UTF-8  
it_CH.UTF-8 UTF-8  
it_IT.UTF-8 UTF-8  
iu_CA UTF-8  
ja_JP.UTF-8 UTF-8  
ka_GE.UTF-8 UTF-8  
kab_DZ UTF-8  
kk_KZ.UTF-8 UTF-8  
kl_GL.UTF-8 UTF-8  
km_KH UTF-8  
kn_IN UTF-8  
ko_KR.UTF-8 UTF-8  
kok_IN UTF-8  
ks_IN UTF-8  
ks_IN@devanagari UTF-8  
ku_TR.UTF-8 UTF-8  
kw_GB.UTF-8 UTF-8  
ky_KG UTF-8  
lb_LU UTF-8  
lg_UG.UTF-8 UTF-8  
li_BE UTF-8  
li_NL UTF-8  
lij_IT UTF-8  
ln_CD UTF-8  
lo_LA UTF-8  
lt_LT.UTF-8 UTF-8  
lv_LV.UTF-8 UTF-8  
lzh_TW UTF-8  
mag_IN UTF-8  
mai_IN UTF-8  
mai_NP UTF-8  
mfe_MU UTF-8  
mg_MG.UTF-8 UTF-8  
mhr_RU UTF-8  
mi_NZ.UTF-8 UTF-8  
miq_NI UTF-8  
mjw_IN UTF-8  
mk_MK.UTF-8 UTF-8  
ml_IN UTF-8  
mn_MN UTF-8  
mni_IN UTF-8  
mnw_MM UTF-8  
mr_IN UTF-8  
ms_MY.UTF-8 UTF-8  
mt_MT.UTF-8 UTF-8  
my_MM UTF-8  
nan_TW UTF-8  
nan_TW@latin UTF-8  
nb_NO.UTF-8 UTF-8  
nds_DE UTF-8  
nds_NL UTF-8  
ne_NP UTF-8  
nhn_MX UTF-8  
niu_NU UTF-8  
niu_NZ UTF-8  
nl_AW UTF-8  
nl_BE.UTF-8 UTF-8  
nl_NL.UTF-8 UTF-8  
nn_NO.UTF-8 UTF-8  
nr_ZA UTF-8  
nso_ZA UTF-8  
oc_FR.UTF-8 UTF-8  
om_ET UTF-8  
om_KE.UTF-8 UTF-8  
or_IN UTF-8  
os_RU UTF-8  
pa_IN UTF-8  
pa_PK UTF-8  
pap_AW UTF-8  
pap_CW UTF-8  
pl_PL.UTF-8 UTF-8  
ps_AF UTF-8  
pt_BR.UTF-8 UTF-8  
pt_PT.UTF-8 UTF-8  
quz_PE UTF-8  
raj_IN UTF-8  
ro_RO.UTF-8 UTF-8  
ru_RU.UTF-8 UTF-8  
ru_UA.UTF-8 UTF-8  
rw_RW UTF-8  
sa_IN UTF-8  
sah_RU UTF-8  
sat_IN UTF-8  
sc_IT UTF-8  
sd_IN UTF-8  
sd_IN@devanagari UTF-8  
se_NO UTF-8  
sgs_LT UTF-8  
shn_MM UTF-8  
shs_CA UTF-8  
si_LK UTF-8  
sid_ET UTF-8  
sk_SK.UTF-8 UTF-8  
sl_SI.UTF-8 UTF-8  
sm_WS UTF-8  
so_DJ.UTF-8 UTF-8  
so_ET UTF-8  
so_KE.UTF-8 UTF-8  
so_SO.UTF-8 UTF-8  
sq_AL.UTF-8 UTF-8  
sq_MK UTF-8  
sr_ME UTF-8  
sr_RS UTF-8  
sr_RS@latin UTF-8  
ss_ZA UTF-8  
st_ZA.UTF-8 UTF-8  
sv_FI.UTF-8 UTF-8  
sv_SE.UTF-8 UTF-8  
sw_KE UTF-8  
sw_TZ UTF-8  
szl_PL UTF-8  
ta_IN UTF-8  
ta_LK UTF-8  
tcy_IN.UTF-8 UTF-8  
te_IN UTF-8  
tg_TJ.UTF-8 UTF-8  
th_TH.UTF-8 UTF-8  
the_NP UTF-8  
ti_ER UTF-8  
ti_ET UTF-8  
tig_ER UTF-8  
tk_TM UTF-8  
tl_PH.UTF-8 UTF-8  
tn_ZA UTF-8  
to_TO UTF-8  
tpi_PG UTF-8  
tr_CY.UTF-8 UTF-8  
tr_TR.UTF-8 UTF-8  
ts_ZA UTF-8  
tt_RU UTF-8  
tt_RU@iqtelif UTF-8  
ug_CN UTF-8  
uk_UA.UTF-8 UTF-8  
unm_US UTF-8  
ur_IN UTF-8  
ur_PK UTF-8  
uz_UZ.UTF-8 UTF-8  
uz_UZ@cyrillic UTF-8  
ve_ZA UTF-8  
vi_VN UTF-8  
wa_BE.UTF-8 UTF-8  
wae_CH UTF-8  
wal_ET UTF-8  
wo_SN UTF-8  
xh_ZA.UTF-8 UTF-8  
yi_US.UTF-8 UTF-8  
yo_NG UTF-8  
yue_HK UTF-8  
yuw_PG UTF-8  
zh_CN.UTF-8 UTF-8  
zh_HK.UTF-8 UTF-8  
zh_SG.UTF-8 UTF-8  
zh_TW.UTF-8 UTF-8  
zu_ZA.UTF-8 UTF-8  
EOF
}

generate_mirrorlist () {
	cat <<EOF > mirrorlist
Server = https://ftp.halifax.rwth-aachen.de/archlinux/\$repo/os/\$arch
Server = https://mirror.pseudoform.org/\$repo/os/\$arch
Server = https://archlinux.thaller.ws/\$repo/os/\$arch
Server = https://mirror.chaoticum.net/arch/\$repo/os/\$arch
Server = https://mirror.f4st.host/archlinux/\$repo/os/\$arch
EOF
}

cd "${script_dir}" || exit 1

bootstrap="${script_dir}"/root.x86_64

packagelist="base nano mesa lib32-mesa vulkan-radeon lib32-vulkan-radeon \
			vulkan-icd-loader lib32-vulkan-icd-loader nvidia-utils \
			lib32-nvidia-utils lib32-alsa-plugins wine-staging mesa-demos \
			vulkan-tools gst-plugins-good gst-plugins-bad gst-plugins-ugly \
			lib32-gst-plugins-good ttf-dejavu ttf-liberation lib32-openal \
			lib32-vkd3d vkd3d lib32-libva vulkan-intel lib32-vulkan-intel \
			winetricks lutris steam"

wget -q "https://archlinux.org/download/"
current_release="$(cat index.html | grep "Current Release" | tail -c -16 | head -c +10)"
rm index.html

echo "Downloading ${current_release} release"
wget -q --show-progress -O arch.tar.gz https://mirror.rackspace.com/archlinux/iso/${current_release}/archlinux-bootstrap-${current_release}-x86_64.tar.gz
tar xf arch.tar.gz
rm arch.tar.gz

mount_chroot

generate_localegen
generate_mirrorlist

rm "${bootstrap}"/etc/locale.gen
cp locale.gen "${bootstrap}"/etc/locale.gen
rm locale.gen

rm "${bootstrap}"/etc/pacman.d/mirrorlist
cp mirrorlist "${bootstrap}"/etc/pacman.d/mirrorlist
rm mirrorlist

echo "[multilib]" >> "${bootstrap}"/etc/pacman.conf
echo "Include = /etc/pacman.d/mirrorlist" >> "${bootstrap}"/etc/pacman.conf

run_in_chroot pacman-key --init
run_in_chroot pacman-key --populate archlinux
run_in_chroot pacman -Syu --noconfirm
run_in_chroot pacman --noconfirm -S ${packagelist}
run_in_chroot pacman --noconfirm -Scc
run_in_chroot locale-gen

rm "${bootstrap}"/var/cache/pacman/pkg/*

unmount_chroot

clear
echo "Done"