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#!/bin/bash
set -eux
## Certificate DST_Root_CA-X3 expired, it needs to be removed
## from list of available certificates. Debian <10 have the issue.
##
## Fixing: https://www.reddit.com/r/sysadmin/comments/pzags0/lets_encrypts_dst_root_ca_x3_expired_yesterday/
## see also: https://techcrunch.com/2021/09/21/lets-encrypt-root-expiry/?guccounter=1
modified_certificate=
mkdir -p /usr/local/share/ca-certificates/custom
for certfile_name in isrgrootx1:ISRG_Root_X1 isrg-root-x2 lets-encrypt-r3; do
certfile=${certfile_name%%:*}
name=${certfile_name#*:}
echo "Checking $certfile for $name"
if ! [ -e "/usr/local/share/ca-certificates/custom/$certfile".crt ] &&
! [ -e "/etc/ssl/certs/$name.pem" ]; then
wget --no-check-certificate https://letsencrypt.org/certs/"$certfile".pem \
-O "/usr/local/share/ca-certificates/custom/$certfile".crt
modified_certificate=1
fi
done
if grep "^mozilla/DST_Root_CA_X3.crt" /etc/ca-certificates.conf 2>/dev/null 2>&1; then
sed -ri 's%^(mozilla/DST_Root_CA_X3.crt)%!\1%g' /etc/ca-certificates.conf
fi
if [ -n "$modified_certificate" ]; then
update-ca-certificates
fi
## We can now do the ``apt-get update`` safely...
apt:update() {
tried=()
backup=
while ! out=$(apt-get update 2>&1); do
echo "Failed to 'apt-get update', looking for fixes..."
old_tried_length="${#tried[@]}"
failed_fetch=$(printf "%s" "$out" | egrep "^E: Failed to fetch .*404\s+Not Found")
failed_release=$(printf "%s" "$out" | egrep "^[EW]: The repository '.*' (does (no longer|not) have|no longer has) a Release file.$")
changed_release=$(printf "%s" "$out" | egrep "^[EW]: Repository '.*' changed its 'Suite' value from .* to .*$")
if [[ " ${tried[*]} " != *" stretch-updates-fix "* ]] &&
[[ "$failed_fetch" == *" http://archive.debian.org/dists/stretch/updates/"* ]]; then
tried+=("stretch-updates-fix")
[ -z "$backup" ] && {
backup=1
echo "Backup old /etc/apt/sources.list"
cp -v /etc/apt/sources.list{,.myc-update}
}
echo "Applying stretch-updates-fix"
sed -ri 's%^(\s*deb(-src)? http://archive.debian.org/? stretch/updates .*)$%# \1%g' /etc/apt/sources.list
fi
for distrib in stretch buster; do
for variant in "$distrib"{,-{updates,backports},/updates}; do
if [[ " ${tried[*]} " != *" ${variant}-archive-fix "* ]] &&
[[ "$failed_release" == *"'http://deb.debian.org/debian $variant "* ]]; then
tried+=("${variant}-archive-fix")
[ -z "$backup" ] && {
backup=1
echo "Backup old /etc/apt/sources.list"
cp -v /etc/apt/sources.list{,.myc-update}
}
echo "Applying ${variant}-archive-fix"
sed -ri 's,http://(deb|security).debian.org/debian '"$variant"',http://archive.debian.org/debian '"$variant"',g' \
/etc/apt/sources.list
#s,^(deb(-src)? http://deb.debian.org/debian '"$variant"'),#\1,' \
fi
if [[ " ${tried[*]} " != *" ${variant}-archive-comment-out "* ]] &&
[[ "$failed_fetch" == *" http://archive.debian.org/debian/dists/$variant/"* ]]; then
tried+=("${variant}-archive-comment-out")
[ -z "$backup" ] && {
backup=1
echo "Backup old /etc/apt/sources.list"
cp -v /etc/apt/sources.list{,.myc-update}
}
echo "Applying ${variant}-archive-comment-out"
sed -ri 's,^(deb(-src)? http://archive.debian.org/debian '"$variant"'),#\1,g' \
/etc/apt/sources.list
fi
done
if [[ " ${tried[*]} " != *" ${variant}-security-comment-out "* ]] &&
[[ "$failed_release" == *"'http://security.debian.org $distrib/updates "* ]]; then
tried+=("${distrib}-comment-out")
[ -z "$backup" ] && {
backup=1
echo "Backup old /etc/apt/sources.list"
cp -v /etc/apt/sources.list{,.myc-update}
}
echo "Applying $distrib}-comment-out"
sed -ri 's,^(deb(-src)? http://security.debian.org/ '"$distrib/updates"'),#\1,g' \
/etc/apt/sources.list
fi
done
if [[ " ${tried[*]} " != *" change-release-fix "* ]] &&
[[ "$changed_release" == *"'http://deb.debian.org/debian "* ]]; then
tried+=("change-release-fix")
echo "Applying change-release-fix"
apt-get update --allow-releaseinfo-change </dev/null || true
fi
if [[ "$old_tried_length" == "${#tried[@]}" ]]; then
echo "Failing 'apt-get update'. Couldn't fix it automatically. Stopping."
if [ -n "$backup" ]; then
mv -v /etc/apt/sources.list{,.myc-update-fix}
mv -v /etc/apt/sources.list{.myc-update,}
fi
printf "%s\n" "$out" | sed -r 's/^/ | /g'
return 1
fi
done
echo "Successful 'apt-get update'."
}
apt:update || exit 1
apt-get -y install bash-completion wget bzip2 git-core \
less tmux mosh \
sudo git vim file gawk </dev/null
if ! apt-get -y python-software-properties </dev/null; then
if ! apt-get -y software-properties-common </dev/null; then
echo "Couldn't install package, but you probably don't need it."
fi
fi
type -p lsb_release >/dev/null 2>&1 ||
apt-get install -y lsb-release </dev/null
case $(lsb_release -is) in
Ubuntu)
apt-get install -y language-pack-en </dev/null
;;
Debian)
if ! type -p locale-gen >/dev/null && [ -x /usr/sbin/locale-gen ]; then
echo "Your shell is incorrectly set as your PATH doesn't contain '/usr/sbin'." >&2
echo "This probably happens because you've incorrectly entered root environment" >&2
echo "Please use 'sudo -i' or 'su -' to enter a root shell from another user." >&2
echo " ref: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=918754"
exit 1
fi
sed -ri 's/^\s*#\s*(en_US\.UTF-?8.*)\s*$/\1/g' /etc/locale.gen
locale-gen
## Debian11 doesn't have a 'python' executable but only a
## 'python3' executable some python script don't care about
## the version, they just want a 'python' executable.
if ! type -p python >/dev/null 2>&1; then
if py3=$(type -p python3); then
echo "No 'python' available in \$PATH, but 'python3' found, using it." >&2
ln -svf "$py3" /usr/local/bin/python
fi
fi
;;
esac
YQ_VERSION=4.35.2
if ! type -p "yq" 2>/dev/null ||
! version_line=$(yq --version) ||
[[ "${version_line}" != *"${YQ_VERSION}" ]]; then
wget "https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64" \
-O /usr/local/bin/yq &&
chmod +x /usr/local/bin/yq
fi