Improve apt mirror selection and fallback
Refactor mirror logic in misc/build.func and misc/install.func to prefer regional Debian mirrors (detected from /etc/timezone), shuffle mirror lists, and include additional AP region hosts. Add quick TCP reachability checks, limit consecutive mirror failures, and surface clearer status messages. On repeated failures, prompt interactively for a custom mirror (with validation) and handle pct exec exit codes to present more informative errors and retry behavior.
This commit is contained in:
CanbiZ (MickLesk)
@@ -202,44 +202,82 @@ pkg_update() {
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apt)
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if ! $STD apt-get update; then
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msg_warn "apt-get update failed, trying alternate mirrors..."
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local mirrors="
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ftp.debian.org
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ftp.us.debian.org
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ftp.de.debian.org
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ftp.fr.debian.org
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ftp.nl.debian.org
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ftp.uk.debian.org
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ftp.ch.debian.org
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ftp.se.debian.org
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ftp.it.debian.org
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ftp.au.debian.org
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ftp.jp.debian.org
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ftp.ca.debian.org
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debian.csail.mit.edu
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mirrors.ocf.berkeley.edu
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mirrors.wikimedia.org
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debian.osuosl.org
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mirror.cogentco.com
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ftp.fau.de
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ftp.halifax.rwth-aachen.de
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debian.mirror.lrz.de
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mirror.init7.net
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debian.ethz.ch
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mirrors.dotsrc.org
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debian.mirrors.ovh.net
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mirror.aarnet.edu.au
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"
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local eu_mirrors="ftp.de.debian.org ftp.fr.debian.org ftp.nl.debian.org ftp.uk.debian.org ftp.ch.debian.org ftp.se.debian.org ftp.it.debian.org ftp.fau.de ftp.halifax.rwth-aachen.de debian.mirror.lrz.de mirror.init7.net debian.ethz.ch mirrors.dotsrc.org debian.mirrors.ovh.net"
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local us_mirrors="ftp.us.debian.org ftp.ca.debian.org debian.csail.mit.edu mirrors.ocf.berkeley.edu mirrors.wikimedia.org debian.osuosl.org mirror.cogentco.com"
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local ap_mirrors="ftp.au.debian.org ftp.jp.debian.org ftp.tw.debian.org ftp.kr.debian.org ftp.in.debian.org ftp.hk.debian.org ftp.sg.debian.org mirror.aarnet.edu.au mirror.nitc.ac.in"
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local tz regional others
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tz=$(cat /etc/timezone 2>/dev/null || echo "UTC")
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case "$tz" in
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Europe/* | Arctic/*)
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regional="$eu_mirrors"
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others="$us_mirrors $ap_mirrors"
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;;
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America/*)
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regional="$us_mirrors"
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others="$eu_mirrors $ap_mirrors"
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;;
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Asia/* | Australia/* | Pacific/*)
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regional="$ap_mirrors"
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others="$eu_mirrors $us_mirrors"
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;;
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*)
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regional=""
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others="$eu_mirrors $us_mirrors $ap_mirrors"
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;;
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esac
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local mirrors
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mirrors="$(printf '%s\n' $regional | shuf) ftp.debian.org $(printf '%s\n' $others | shuf)"
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echo 'Acquire::By-Hash "no";' >/etc/apt/apt.conf.d/99no-by-hash
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local apt_ok=false
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local fail_count=0
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for mirror in $mirrors; do
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timeout 2 bash -c "echo >/dev/tcp/$mirror/80" 2>/dev/null || {
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msg_info "Mirror skip: ${mirror} (unreachable)"
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continue
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}
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msg_info "Trying mirror: ${mirror}"
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for src in /etc/apt/sources.list.d/debian.sources /etc/apt/sources.list; do
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[[ -f "$src" ]] && sed -i "s|URIs: http[s]*://[^/]*/|URIs: https://${mirror}/|g; s|deb http[s]*://[^/]*/|deb https://${mirror}/|g" "$src"
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done
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rm -rf /var/lib/apt/lists/*
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if $STD apt-get update; then
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local apt_out
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apt_out=$(apt-get update 2>&1)
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if echo "$apt_out" | grep -qi "hashsum\|hash sum"; then
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msg_warn "Mirror failed: ${mirror} (hash mismatch)"
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echo "$apt_out" | grep -i "hash" | head -3 | sed 's/^/ /'
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elif echo "$apt_out" | grep -q "^E:"; then
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msg_warn "Mirror failed: ${mirror}"
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else
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msg_ok "Using mirror: ${mirror}"
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apt_ok=true
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break
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fi
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fail_count=$((fail_count + 1))
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if [[ $fail_count -ge 3 ]]; then
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msg_warn "Multiple mirrors failed (possible CDN synchronization issue)."
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msg_info "Find Debian mirrors at: https://www.debian.org/mirror/list"
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while true; do
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read -rp " Enter a Debian mirror hostname (or 'skip' to abort): " custom_mirror </dev/tty
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[[ -z "$custom_mirror" ]] && continue
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[[ "$custom_mirror" == "skip" ]] && break
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[[ ! "$custom_mirror" =~ ^[a-zA-Z0-9._-]+$ ]] && {
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msg_warn "Invalid hostname format."
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continue
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}
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for src in /etc/apt/sources.list.d/debian.sources /etc/apt/sources.list; do
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[[ -f "$src" ]] && sed -i "s|URIs: http[s]*://[^/]*/|URIs: https://${custom_mirror}/|g; s|deb http[s]*://[^/]*/|deb https://${custom_mirror}/|g" "$src"
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done
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rm -rf /var/lib/apt/lists/*
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if $STD apt-get update; then
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apt_ok=true
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break 2
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fi
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msg_warn "Mirror '${custom_mirror}' also failed. Try another or type 'skip'."
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done
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break
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fi
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done
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if [[ "$apt_ok" != true ]]; then
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msg_error "All mirrors failed. Check network or try again later."
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