ZacharyZhang-NYandClaude Fable 5
434f848dd8
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QKxGW1raAWaqeU8WdHsMsp
79 lines
2.3 KiB
Bash
79 lines
2.3 KiB
Bash
# shellcheck shell=bash
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# Sourced helpers for omarchy-cn-mirror-* commands
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CN_MIRRORS_JSON="$OMARCHY_PATH/cn/mirrors.json"
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CN_MIRRORLIST="/etc/pacman.d/mirrorlist"
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CN_PROFILE_FILE="$HOME/.config/omarchycn/mirror-profile"
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cn_mirror_ids() {
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jq -r '.mirrors[].id' "$CN_MIRRORS_JSON"
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}
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cn_mirror_url() {
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jq -r --arg id "$1" '.mirrors[] | select(.id == $id) | .url' "$CN_MIRRORS_JSON"
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}
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cn_mirror_name() {
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jq -r --arg id "$1" '.mirrors[] | select(.id == $id) | .name' "$CN_MIRRORS_JSON"
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}
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cn_mirror_ids_by_region() {
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jq -r --arg r "$1" '.mirrors[] | select(.region == $r) | .id' "$CN_MIRRORS_JSON"
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}
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# Probe one mirror: prints "<speed_bytes_s> <ttfb_s> <sync_age_s|stale|unknown>"
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cn_mirror_probe() {
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local url="$1"
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local speed ttfb lastsync age now
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read -r speed ttfb < <(curl -sS -o /dev/null -m 12 --connect-timeout 5 \
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-w '%{speed_download} %{time_starttransfer}\n' \
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"$url/core/os/x86_64/core.db" 2>/dev/null) || true
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speed="${speed%%.*}"
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[[ -z $speed ]] && speed=0
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age="unknown"
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lastsync=$(curl -sS -m 5 --connect-timeout 5 "$url/lastsync" 2>/dev/null | tr -cd '0-9')
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if [[ -n $lastsync ]]; then
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now=$(date +%s)
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age=$((now - lastsync))
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(( age > 86400 )) && age="stale"
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fi
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echo "$speed ${ttfb:-0} $age"
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}
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# Rank ids by probe speed, excluding dead (speed 0) and stale mirrors
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cn_mirror_rank() {
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local id url speed ttfb age
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for id in "$@"; do
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url=$(cn_mirror_url "$id")
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read -r speed ttfb age < <(cn_mirror_probe "$url")
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(( speed > 0 )) || continue
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[[ $age == "stale" ]] && continue
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echo "$speed $id"
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done | sort -rn | awk '{print $2}'
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}
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# Write mirrorlist from mirror ids (first = primary), with timestamped backup
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cn_mirror_write_list() {
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local profile="$1"
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shift
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local stamp id url content=""
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stamp=$(date +%Y%m%d-%H%M%S)
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content="## OmarchyCN mirrorlist (profile: $profile, generated $stamp)\n"
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for id in "$@"; do
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url=$(cn_mirror_url "$id")
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content+="## $id: $(cn_mirror_name "$id")\nServer = $url/\$repo/os/\$arch\n"
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done
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sudo cp "$CN_MIRRORLIST" "$CN_MIRRORLIST.omarchycn-bak-$stamp"
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printf '%b' "$content" | sudo tee "$CN_MIRRORLIST" > /dev/null
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mkdir -p "${CN_PROFILE_FILE%/*}"
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echo "$profile" > "$CN_PROFILE_FILE"
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echo "Mirrorlist written ($CN_MIRRORLIST), backup: $CN_MIRRORLIST.omarchycn-bak-$stamp"
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}
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