149 lines
4.4 KiB
Bash
Executable file
149 lines
4.4 KiB
Bash
Executable file
#!/bin/bash
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restoreDir="/etc/restore"
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function is_bin_in_path {
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builtin type -P "$1" &>/dev/null
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}
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hook_before() {
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#if ! is_bin_in_path aptitude; then
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# echo "aptitude needs to be installed for backups to work properly."
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# exit 1
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#fi
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if ! is_bin_in_path rsync; then
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echo "rsync needs to be installed for backups to work properly."
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exit 1
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fi
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mkdir -p "$restoreDir" || exit 1
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pushd "$restoreDir" || exit 2
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dpkg --get-selections > Package.list
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#aptitude search --disable-columns -F%p '~i!~M!~v' > InstallOnly.list
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apt-mark showmanual | sort > InstallOnly.list
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#apt-key exportall > /etc/restore/Repo.keys
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cp -a /etc/apt/sources.list "$restoreDir/"
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rsync -avhHi /etc/apt/sources.list.d "$restoreDir/"
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rsync -avhHi /etc/apt/trusted.gpg.d "$restoreDir/"
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[[ -d /etc/apt/keyrings ]] && rsync -avhHi /etc/apt/keyrings "$restoreDir/"
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cat > restore.sh <<EOF
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#!/bin/bash
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if [[ ! -f "InstallOnly.list" ]]; then
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echo "This needs to be run inside the restore directory."
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exit 1
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fi
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if [[ ! -d "trusted.gpg.d" ]]; then
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echo "This needs to be run inside the restore directory."
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exit 1
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fi
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TMPDIR="\$(mktemp -d -t restore-XXXX)"
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cleanup() {
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[[ -n "\$TMPDIR" && -d "\$TMPDIR" ]] && rm -rf "\$TMPDIR"
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}
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trap cleanup EXIT
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#apt-key add /etc/restore/Repo.keys
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#dpkg --set-selections < /etc/restore/Package.list
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#apt-get dselect-upgrade
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install=""
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echo " * Installing required packages"
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dpkg-query -s 'rsync' &>/dev/null || install+=" rsync"
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#dpkg-query -s 'borgbackup' &>/dev/null || install+=" borgbackup"
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#dpkg-query -s 'borgmatic' &>/dev/null || install+=" borgmatic"
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dpkg-query -s 'apt-transport-https' &>/dev/null || install+=" apt-transport-https"
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if [[ -n "\$install" ]]; then
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apt -y install \$install
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fi
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echo " * Enabling 32-bit packages"
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grep ':i386' InstallOnly.list &>/dev/null && dpkg --add-architecture i386
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echo " * Checking for flatpak"
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if [[ -r "sources.list" ]]; then
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echo
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echo "=============================="
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echo "INSTALL REPOS"
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echo "=============================="
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echo
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read -p "Do you want to continue to install backup repositories? [Y/n] " -n 1 -sr promptRepos
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if [[ "\$promptRepos" =~ ^[Yy]$ ]]; then
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echo "Yes"
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cp -a sources.list /etc/apt/sources.list
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rsync --ignore-existing -raz sources.list.d/ /etc/apt/sources.list.d/
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rsync --ignore-existing -raz trusted.gpg.d/ /etc/apt/trusted.gpg.d/
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[[ -d keyrings ]] && rsync --ignore-existing -raz keyrings/ /etc/apt/keyrings/
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apt update
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else
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echo -e "Cancelled\n"
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fi
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fi
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flatpak=0
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grep 'flatpak' InstallOnly.list &>/dev/null && flatpak=1
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if [[ "\$flatpak" -eq 1 ]]; then
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echo " * Adding flatpak repo: Flathub"
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flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
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fi
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echo
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echo "=============================="
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echo "INSTALL PACKAGES"
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echo "=============================="
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echo
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read -p "About to install the system packages per the backup. Do you want to continue? [Y/n] " -n 1 -sr promptPkgs
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if [[ "\$promptPkgs" =~ ^[Yy] ]]; then
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echo "Yes"
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comm --nocheck-order -23 InstallOnly.list <(apt-mark showmanual|sort) | grep -Ev 'linux-image|linux-headers' > "\${TMPDIR}/diff.list"
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apt-get --simulate install \$(cat "\${TMPDIR}/diff.list") |& awk '/^E: Unable to locate package / {print \$NF}' | sort > "\${TMPDIR}/diff.fail"
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comm --nocheck-order -23 "\${TMPDIR}/diff.list" "\${TMPDIR}/diff.fail" | xargs apt-get install
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echo
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echo "Packages that were omitted because they could not be found:"
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cat "\${TMPDIR}/diff.fail" | tr '\n' ' ' | fold -s
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echo
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read -p "Did everything above look okay and do you want to proceed? [Y/n] " -n 1 -sr promptPkgsDo
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if [[ "\$promptPkgsDo" =~ ^[Yy] ]]; then
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comm --nocheck-order -23 "\${TMPDIR}/diff.list" "\${TMPDIR}/diff.fail" | xargs apt-get install
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else
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echo -e "Cancelled\n"
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fi
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else
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echo -e "Cancelled\n"
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fi
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echo "Packages that failed to schedule for install:"
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cat "\${TMPDIR}/diff.fail" | tr '\n' ' ' | fold -s
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EOF
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chmod ug+rx restore.sh
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popd || exit 2
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}
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hook_after() {
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:
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}
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hook_fail() {
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:
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}
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hook_final() {
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:
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}
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case "$1" in
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before) hook_before || exit $?;;
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after) hook_after || exit $?;;
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fail) hook_final || exit $?;;
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finally) hook_final || exit $?;;
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esac
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