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Jordan Harband
077156e88f
Moving WSL package installs out of `setup-wsl`'s `additional-packages` lost its non-interactive setup: on Ubuntu 18.04, upgrading `libssl1.1` asks whether to restart services, and the job waited on that dialog until it was cancelled. Set `DEBIAN_FRONTEND=noninteractive`, keep existing config files without asking, and give apt no stdin.
53 lines
1.4 KiB
Bash
53 lines
1.4 KiB
Bash
#!/bin/sh
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# Install apt packages, riding out Ubuntu/Debian mirror outages: apt itself
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# retries each request, and the whole update+install is retried with backoff
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# for about 10 minutes, since outages have lasted longer than apt's own retries.
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#
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# usage: sh .github/scripts/apt-install.sh <package>...
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# Runs apt-get through sudo when not root.
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set -u
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if [ "$#" -eq 0 ]; then
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echo 'usage: apt-install.sh <package>...' >&2
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exit 2
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fi
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SUDO=''
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if [ "$(id -u)" != '0' ]; then
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SUDO='sudo'
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fi
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apt_get() {
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# never prompt: an upgrade (e.g. libssl asking to restart services) would wait forever
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$SUDO env DEBIAN_FRONTEND=noninteractive apt-get \
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-o Acquire::Retries=5 \
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-o Acquire::http::Timeout=30 \
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-o Acquire::https::Timeout=30 \
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-o Dpkg::Options::=--force-confdef \
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-o Dpkg::Options::=--force-confold \
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"$@" < /dev/null
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}
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ATTEMPT=1
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MAX_ATTEMPTS=8
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DELAY=15
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while :; do
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apt_get update || echo "apt-get update failed (attempt ${ATTEMPT}/${MAX_ATTEMPTS})" >&2
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if apt_get install -y "$@"; then
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exit 0
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fi
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if [ "${ATTEMPT}" -ge "${MAX_ATTEMPTS}" ]; then
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echo "apt-get install failed after ${MAX_ATTEMPTS} attempts: $*" >&2
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exit 1
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fi
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echo "apt-get install failed (attempt ${ATTEMPT}/${MAX_ATTEMPTS}); retrying in ${DELAY}s" >&2
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sleep "${DELAY}"
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ATTEMPT=$((ATTEMPT + 1))
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DELAY=$((DELAY * 2))
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if [ "${DELAY}" -gt 120 ]; then
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DELAY=120
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fi
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done
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