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termux-change-repo: make it possible to select a single mirror again #1

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Merged
merged 8 commits into from
Aug 7, 2022
Merged

termux-change-repo: make it possible to select a single mirror again #1

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c4cbe12
termux-change-repo: make it possible to select a specific mirror
Grimler91 Jul 29, 2022
72021d6
termux-change-repo: print small info message if used with args
Grimler91 Jul 31, 2022
816a8c9
pkg: verify that mirror weight is a valid number
Grimler91 Jul 29, 2022
98b435b
pkg, termux-change-repo: ignore *.dpkg-new mirror files as well
Grimler91 Jul 31, 2022
7429030
termux-change-repo: update error message and user hint
Grimler91 Jul 31, 2022
e0d264a
mirrors: shorten description line of mephi mirror
Grimler91 Jul 31, 2022
996e2e2
pkg: error and exit if no mirror was selected somehow
Grimler91 Jul 31, 2022
ba4dec3
pkg: shorten some lines
Grimler91 Aug 2, 2022
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2 changes: 1 addition & 1 deletion mirrors/russia/mirror.mephi.ru
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# This file is sourced by pkg
# Mirrors by National Research Nuclear University - Moscow Engineering Physics Institute
# Mirrors by National Research Nuclear University MEPhI
WEIGHT=1
MAIN="http://mirror.mephi.ru/termux/termux-main"
ROOT="http://mirror.mephi.ru/termux/termux-root"
Expand Down
29 changes: 22 additions & 7 deletions scripts/pkg.in
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ set -eu
# Setup TERMUX_APP_PACKAGE_MANAGER
source "@TERMUX_PREFIX@/bin/termux-setup-package-manager" || exit 1

MIRROR_BASE_DIR="@TERMUX_PREFIX@/etc/termux/mirrors"

show_help() {
local cache_size
local cache_dir=""
Expand Down Expand Up @@ -96,22 +98,30 @@ get_mirror_url() {

get_mirror_weight() {
source "$1"
if [[ ! "$WEIGHT" =~ ^[0-9]+$ ]]; then
echo "[!] invalid weight in mirror $1" > /dev/stderr
exit
fi
echo $WEIGHT
}

select_mirror() {
local default_repo="@TERMUX_PREFIX@/etc/termux/mirrors/default"
local default_repo="${MIRROR_BASE_DIR}/default"

if [ -d "@TERMUX_PREFIX@/etc/termux/chosen_mirrors" ]; then
mirrors=($(find @TERMUX_PREFIX@/etc/termux/chosen_mirrors/ -type f ! -name "*\.dpkg-old" ! -name "*~"))
# Mirror group selected
mirrors=($(find @TERMUX_PREFIX@/etc/termux/chosen_mirrors/ -type f ! -name "*\.dpkg-old" ! -name "*\.dpkg-new" ! -name "*~"))
elif [ -f "@TERMUX_PREFIX@/etc/termux/chosen_mirrors" ]; then
# Single mirror selected
mirrors=("$(realpath @TERMUX_PREFIX@/etc/termux/chosen_mirrors)")
elif [ -L "@TERMUX_PREFIX@/etc/termux/chosen_mirrors" ]; then
# Broken symlink, use all mirrors
mirrors=("@TERMUX_PREFIX@/etc/termux/mirrors/default")
mirrors+=($(find @TERMUX_PREFIX@/etc/termux/mirrors/{asia,china,europe,north_america,russia}/ -type f ! -name "*\.dpkg-old" ! -name "*~"))
mirrors=("${MIRROR_BASE_DIR}/default")
mirrors+=($(find ${MIRROR_BASE_DIR}/{asia,china,europe,north_america,russia}/ -type f ! -name "*\.dpkg-old" ! -name "*\.dpkg-new" ! -name "*~"))
else
echo "No group of mirrors selected. You might want to select a group by running 'termux-change-repo'"
mirrors=("@TERMUX_PREFIX@/etc/termux/mirrors/default")
mirrors+=($(find @TERMUX_PREFIX@/etc/termux/mirrors/{asia,china,europe,north_america,russia}/ -type f ! -name "*\.dpkg-old" ! -name "*~"))
echo "No mirror or mirror group selected. You might want to select one by running 'termux-change-repo'"
mirrors=("${MIRROR_BASE_DIR}/default")
mirrors+=($(find ${MIRROR_BASE_DIR}/{asia,china,europe,north_america,russia}/ -type f ! -name "*\.dpkg-old" ! -name "*\.dpkg-new" ! -name "*~"))
fi

local current_mirror
Expand Down Expand Up @@ -259,6 +269,11 @@ select_mirror() {
echo "deb $ROOT root stable" > @TERMUX_PREFIX@/etc/apt/sources.list.d/root.list
fi
)
else
# Should not happen unless there is some issue with
# the script, or the mirror files
echo "Error: None of the mirrors are accessible"
exit 1
fi
}

Expand Down
144 changes: 119 additions & 25 deletions scripts/termux-change-repo.in
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@
# Setup TERMUX_APP_PACKAGE_MANAGER
source "@TERMUX_PREFIX@/bin/termux-setup-package-manager" || exit 1

MIRROR_BASE_DIR="@TERMUX_PREFIX@/etc/termux/mirrors"

if [ "$1" == "--help" ] || [ "$1" == "-help" ]; then
echo "Script for choosing a group of mirrors to use."
echo "All mirrors are listed at"
Expand All @@ -19,38 +21,128 @@ unlink_and_link() {
}

select_repository_group() {
if [ "$1" == "Mirrors in Asia" ]; then
MIRRORS=()
MIRRORS+=("All mirrors" "All in the entire world" "on")
MIRRORS+=("Mirrors in Asia" "All in Asia (excl. China and Russia)" "off")
MIRRORS+=("Mirrors in China" "All in China" "off")
MIRRORS+=("Mirrors in Europe" "All in Europe" "off")
MIRRORS+=("Mirrors in North America" "All in North America" "off")
MIRRORS+=("Mirrors in Russia" "All in Russia" "off")

local TEMPFILE="$(mktemp @TERMUX_PREFIX@/tmp/mirror.XXXXXX)"
dialog \
--title "termux-change-repo" --clear \
--radiolist "Which group of mirrors do you want to use? Select with space." 0 0 0 \
"${MIRRORS[@]}" --and-widget \
2> "$TEMPFILE"
retval=$?
clear

case $retval in
1)
# Cancel pressed
exit
;;
255)
# Esc pressed
exit
;;
esac

mirror_group="$(cat "$TEMPFILE")"
rm "$TEMPFILE"

if [ "$mirror_group" == "Mirrors in Asia" ]; then
echo "[*] Mirrors in Asia (excl. China and Russia) selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/asia
unlink_and_link ${MIRROR_BASE_DIR}/asia

elif [ "$1" == "Mirrors in China" ]; then
elif [ "$mirror_group" == "Mirrors in China" ]; then
echo "[*] Mirrors in China selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/china
unlink_and_link ${MIRROR_BASE_DIR}/china

elif [ "$1" == "Mirrors in Europe" ]; then
elif [ "$mirror_group" == "Mirrors in Europe" ]; then
echo "[*] Mirrors in Europe selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/europe
unlink_and_link ${MIRROR_BASE_DIR}/europe

elif [ "$1" == "Mirrors in North America" ]; then
elif [ "$mirror_group" == "Mirrors in North America" ]; then
echo "[*] Mirrors in North America selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/north_america
unlink_and_link ${MIRROR_BASE_DIR}/north_america

elif [ "$1" == "Mirrors in Russia" ]; then
elif [ "$mirror_group" == "Mirrors in Russia" ]; then
echo "[*] Mirrors in Russia selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/russia
unlink_and_link ${MIRROR_BASE_DIR}/russia

elif [ "$1" == "All mirrors" ]; then
elif [ "$mirror_group" == "All mirrors" ]; then
echo "[*] All mirrors selected"
unlink_and_link @TERMUX_PREFIX@/etc/termux/mirrors/all
unlink_and_link ${MIRROR_BASE_DIR}/all

else
echo "[!] Error: unknown mirror group: '$1'. Exiting"
exit 1
fi
}

get_mirror_url() {
basename "$1"
}

get_mirror_description() {
head -n 2 "$1" | tail -n 1 | cut -d" " -f2-
}

select_individual_mirror() {
mirrors=($(find ${MIRROR_BASE_DIR}/{asia,china,europe,north_america,russia}/ -type f ! -name "*\.dpkg-old" ! -name "*\.dpkg-new" ! -name "*~"))

# Choose default mirror per default
MIRRORS=("$(get_mirror_url "${MIRROR_BASE_DIR}/default")" "$(get_mirror_description "${MIRROR_BASE_DIR}/default")" "on")
# Special handling of packages.termux.dev mirror to put it on top:
MIRRORS+=("$(get_mirror_url "${MIRROR_BASE_DIR}/north_america/packages.termux.dev")" "$(get_mirror_description "${MIRROR_BASE_DIR}/north_america/packages.termux.dev")" "off")
for mirror in ${mirrors[@]}; do
if [ "$mirror" != "packages.termux.dev" ]; then
MIRRORS+=("$(get_mirror_url "$mirror")" "$(get_mirror_description "$mirror")" "off")
fi
done

local TEMPFILE="$(mktemp @TERMUX_PREFIX@/tmp/mirror.XXXXXX)"
dialog \
--title "termux-change-repo" --clear \
--radiolist "Which mirror do you want to use? Select with space." 0 0 0 \
"${MIRRORS[@]}" --and-widget \
2> "$TEMPFILE"
retval=$?
clear

case $retval in
1)
# Cancel pressed
exit
;;
255)
# Esc pressed
exit
;;
esac

mirror="$(cat "$TEMPFILE")"

echo "[*] Mirror $(get_mirror_url "$mirror") selected"
unlink_and_link "$(find ${MIRROR_BASE_DIR} -name $mirror)"
rm "$TEMPFILE"
}

usage() {
echo "Usage: termux-change-repo"
echo ""
echo "termux-change-repo is a utility used to simplify which mirror(s)"
echo "pkg (our apt wrapper) should use."
}

if [ $# -gt 0 ]; then
usage
fi

if ! command -v apt 1>/dev/null; then
echo "Error: changing mirrors can't execute because apt is not installed."
echo "Error: Cannot change mirrors since apt is not installed." > /dev/stderr
exit 1
fi

Expand All @@ -60,27 +152,29 @@ if [ "$TERMUX_APP_PACKAGE_MANAGER" = "pacman" ]; then
[[ ${REPLY} =~ ^[Nn]$ ]] && exit
fi

TEMPFILE="$(mktemp @TERMUX_PREFIX@/tmp/mirror.XXXXXX)"

MIRRORS=()
MIRRORS+=("All mirrors" "All in the entire world" "on")
MIRRORS+=("Mirrors in Asia" "All in Asia (excl. China and Russia)" "off")
MIRRORS+=("Mirrors in China" "All in China" "off")
MIRRORS+=("Mirrors in Europe" "All in Europe" "off")
MIRRORS+=("Mirrors in North America" "All in North America" "off")
MIRRORS+=("Mirrors in Russia" "All in Russia" "off")
TEMPFILE="$(mktemp @TERMUX_PREFIX@/tmp/termux-change-repo.XXXXXX)"

MODES=()
MODES+=("Mirror group" "Rotate between several mirrors (recommended)" "on")
MODES+=("Single mirror" "Choose a single mirror to use" "off")
dialog \
--title "termux-change-repo" --clear \
--radiolist "Which group of mirrors do you want to use? Select with space." 0 0 0 \
"${MIRRORS[@]}" --and-widget \
--radiolist "Do you want to choose a mirror group or a single mirror? Select with space." 0 0 0 \
"${MODES[@]}" --and-widget \
2> "$TEMPFILE"
retval=$?
clear

case $retval in
0)
select_repository_group "$(cat $TEMPFILE)"
case "$(cat $TEMPFILE)" in
"Mirror group")
select_repository_group
;;
"Single mirror")
select_individual_mirror
;;
esac
;;
1)
# Cancel pressed
Expand Down