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#!/bin/sh
PROGRAM=setup-apkrepos
PREFIX=
. $PREFIX/lib/libalpine.sh
get_hostname_from_url() {
local n=${1#*://}
echo ${n%%/*}
}
prompt_setup_method() {
echo "r) Add random from the above list"
echo "f) Detect and add fastest mirror from above list"
echo "e) Edit /etc/apk/repositores with text editor"
echo ""
echo -n "Enter mirror number (1-$mirror_count) or URL to add (or r/f/e/done) [$1]: "
}
add_random_mirror() {
local i=0
local random_mirror_index=$(( $RANDOM % $mirror_count ))
echo -n "Picking random mirror... "
for mirror in $MIRRORS; do
if [ $i -eq $random_mirror_index ]; then
break
fi
i=$(( $i + 1 ))
done
add_mirror $mirror
}
time_cmd() {
local start=$(cut -d ' ' -f1 /proc/uptime)
$@ >&2
awk -v start=$start -v end=$(cut -d ' ' -f1 /proc/uptime) \
'BEGIN {print end - start; exit}'
}
find_fastest_mirror() {
export http_proxy=
local url=
for url in $MIRRORS; do
echo $(time_cmd apk update --quiet \
--repository $url/edge/main \
--repositories-file /dev/null) $url
done | awk ' {
if (!current) {
current=$1
url=$2
} else {
if ($1 < current) {
current=$1
url=$2
}
}
printf("%6.2f %s\n", $1, $2) > "/dev/stderr"
}
END { print url }'
}
add_fastest_mirror() {
echo "Finding fastest mirror... "
local fastest=$(find_fastest_mirror)
add_mirror "$fastest"
}
# show mirrors and store how many in global mirror_count
show_mirror_list() {
local mirror i=0
mirror_count=0
[ -z "$MIRRORS" ] && return
echo ""
echo "Available mirrors:"
for mirror in $MIRRORS; do
i=$(($i + 1))
echo "$i) $(get_hostname_from_url $mirror)"
done
echo ""
mirror_count=$i
}
add_from_list() {
local mirror_index=$1
if [ $mirror_index -lt 1 ] || [ $mirror_index -gt $mirror_count ]; then
return 1
fi
set $MIRRORS
eval "mirror=\$$mirror_index"
add_mirror "$mirror"
}
get_alpine_release() {
local version=$(cat /etc/alpine-release 2>/dev/null)
case "$version" in
*_git*|*_alpha*) release="edge";;
[0-9]*.[0-9]*.[0-9]*)
# release in x.y.z format, cut last digit
release=v${version%.[0-9]*};;
*) # fallback to edge
release="edge";;
esac
}
add_mirror() {
local mirror="$1"
echo "${mirror%/}/${release}/main" >> $APKREPOS_PATH
case "$release" in
v[0-9]*)
echo "#${mirror%/}/edge/main" >> $APKREPOS_PATH;;
esac
echo "#${mirror%/}/edge/testing" >> $APKREPOS_PATH
echo "" >> $APKREPOS_PATH
echo "Added mirror $(get_hostname_from_url $mirror)"
}
add_from_url() {
echo "$1" >> $APKREPOS_PATH
echo "" >> $APKREPOS_PATH
}
edit_repositories() {
local md5=$(md5sum $APKREPOS_PATH)
${EDITOR:-vi} "$APKREPOS_PATH"
# return true if file changed
test "$(md5sum $APKREPOS_PATH)" != "$md5"
}
usage() {
cat <<__EOF__
usage: setup-apkrepos [-hr]
Setup apk repositories
options:
-h Show this help
-r Add a random mirror and do not prompt
__EOF__
exit 1
}
while getopts "hr" opt; do
case $opt in
h) usage;;
r) JUSTADDRANDOM=1;;
esac
done
# main
# install alpine-mirrors if its not already there
to_uninstall=
if ! apk info --quiet --installed alpine-mirrors; then
apk add --quiet alpine-mirrors
to_uninstall=alpine-mirrors
fi
MIRRORS_PATH=/usr/share/alpine-mirrors/MIRRORS.txt
if [ -z "$MIRRORS" ] && [ -r "$MIRRORS_PATH" ]; then
MIRRORS=`cat $MIRRORS_PATH`
fi
APKREPOS_PATH=/etc/apk/repositories
if [ -r "$APKREPOS_PATH" ]; then
APKREPOS=`cat "$APKREPOS_PATH"`
fi
get_alpine_release
default_answer=f
changed=
while true; do
if [ -n "$JUSTADDRANDOM" ]; then
show_mirror_list > /dev/null
add_random_mirror && changed=1 && break
else
show_mirror_list
prompt_setup_method $default_answer
default_read answer $default_answer
case "$answer" in
"done") break;;
[0-9]*) add_from_list $answer && changed=1;;
/*|http://*|ftp://*|https://*) add_from_url "$answer" && changed=1;;
r) add_random_mirror && changed=1;;
f) add_fastest_mirror && changed=1;;
e) edit_repositories && changed=1 && break;;
esac
if [ -n "$changed" ]; then
break
fi
fi
done
if [ -n "$changed" ]; then
echo -n "Updating repository indexes... "
apk update --quiet && echo "done."
fi
# clean up
if [ -n "$to_uninstall" ]; then
apk del --quiet alpine-mirrors
fi
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