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Verify the integrity of the bootstrap

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The script now verifies the SHA256 checksum of the bootstrap before using it. Also, if the checksum verification or download fails, the script will retry with other mirrors.
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Kron4ek 2022-04-11 14:58:19 +05:00 committed by GitHub
parent 485cb07a64
commit 3611017c71
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 4 deletions
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37
create-arch-bootstrap.sh
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@ -142,10 +142,39 @@ fi
current_release="$(wget -q "https://archlinux.org/download/" -O - | grep "Current Release" | tail -c -16 | head -c +10)"
echo "Downloading ${current_release} release"
wget -q --show-progress -O arch.tar.gz "https://mirror.f4st.host/archlinux/iso/${current_release}/archlinux-bootstrap-${current_release}-x86_64.tar.gz"
tar xf arch.tar.gz
rm arch.tar.gz
bootstrap_urls="mirror.osbeck.com \
mirror.f4st.host \
mirror.luzea.de"
echo "Downloading Arch Linux bootstrap version ${current_release}"
for link in ${bootstrap_urls}; do
wget -q --show-progress -O archlinux-bootstrap-${current_release}-x86_64.tar.gz \
"https://${link}/archlinux/iso/${current_release}/archlinux-bootstrap-${current_release}-x86_64.tar.gz"
wget -q --show-progress -O sha256sums.txt \
"https://${link}/archlinux/iso/${current_release}/sha256sums.txt"
if [ -s sha256sums.txt ]; then
cat sha256sums.txt | grep bootstrap > sha256.txt
echo "Verifying the integrity of the bootstrap"
if sha256sum -c sha256.txt &>/dev/null; then
bootstrap_is_good=1
break
fi
fi
echo "Download failed, trying again with different mirror"
done
if [ -z "${bootstrap_is_good}" ]; then
echo "Bootstrap download failed or its checksum is incorrect"
exit 1
fi
tar xf archlinux-bootstrap-${current_release}-x86_64.tar.gz
rm archlinux-bootstrap-${current_release}-x86_64.tar.gz
rm sha256sums.txt sha256.txt
mount_chroot