mirror of
https://github.com/YunoHost/yunohost.git
synced 2024-09-03 20:06:10 +02:00
271 lines
9.3 KiB
Bash
271 lines
9.3 KiB
Bash
#!/bin/bash
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# Check if apt is free to use, or wait, until timeout.
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#
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# [internal]
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#
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# usage: ynh_wait_dpkg_free
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#
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# Requires YunoHost version 3.3.1 or higher.
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ynh_wait_dpkg_free() {
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local try
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# With seq 1 17, timeout will be almost 30 minutes
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for try in `seq 1 17`
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do
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# Check if /var/lib/dpkg/lock is used by another process
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if lsof /var/lib/dpkg/lock > /dev/null
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then
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echo "apt is already in use..."
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# Sleep an exponential time at each round
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sleep $(( try * try ))
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else
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# Check if dpkg hasn't been interrupted and is fully available.
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# See this for more information: https://sources.debian.org/src/apt/1.4.9/apt-pkg/deb/debsystem.cc/#L141-L174
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local dpkg_dir="/var/lib/dpkg/updates/"
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# For each file in $dpkg_dir
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while read dpkg_file <&9
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do
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# Check if the name of this file contains only numbers.
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if echo "$dpkg_file" | grep -Pq "^[[:digit:]]+$"
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then
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# If so, that a remaining of dpkg.
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ynh_print_err "E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem."
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return 1
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fi
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done 9<<< "$(ls -1 $dpkg_dir)"
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return 0
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fi
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done
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echo "apt still used, but timeout reached !"
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}
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# Check either a package is installed or not
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#
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# example: ynh_package_is_installed --package=yunohost && echo "ok"
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#
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# usage: ynh_package_is_installed --package=name
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# | arg: -p, --package - the package name to check
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_is_installed() {
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# Declare an array to define the options of this helper.
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local legacy_args=p
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declare -Ar args_array=( [p]=package= )
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local package
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_wait_dpkg_free
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dpkg-query -W -f '${Status}' "$package" 2>/dev/null \
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| grep -c "ok installed" &>/dev/null
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}
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# Get the version of an installed package
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#
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# example: version=$(ynh_package_version --package=yunohost)
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#
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# usage: ynh_package_version --package=name
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# | arg: -p, --package - the package name to get version
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# | ret: the version or an empty string
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_version() {
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# Declare an array to define the options of this helper.
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local legacy_args=p
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declare -Ar args_array=( [p]=package= )
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local package
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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if ynh_package_is_installed "$package"; then
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dpkg-query -W -f '${Version}' "$package" 2>/dev/null
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else
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echo ''
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fi
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}
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# APT wrapper for non-interactive operation
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#
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# [internal]
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#
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# usage: ynh_apt update
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#
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# Requires YunoHost version 2.4.0.3 or higher.
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ynh_apt() {
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ynh_wait_dpkg_free
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LC_ALL=C DEBIAN_FRONTEND=noninteractive apt-get -y $@
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}
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# Update package index files
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#
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# usage: ynh_package_update
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_update() {
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ynh_apt update
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}
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# Install package(s)
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#
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# usage: ynh_package_install name [name [...]]
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# | arg: name - the package name to install
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_install() {
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ynh_apt --no-remove -o Dpkg::Options::=--force-confdef \
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-o Dpkg::Options::=--force-confold install $@
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}
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# Remove package(s)
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#
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# usage: ynh_package_remove name [name [...]]
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# | arg: name - the package name to remove
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_remove() {
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ynh_apt remove $@
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}
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# Remove package(s) and their uneeded dependencies
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#
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# usage: ynh_package_autoremove name [name [...]]
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# | arg: name - the package name to remove
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_autoremove() {
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ynh_apt autoremove $@
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}
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# Purge package(s) and their uneeded dependencies
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#
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# usage: ynh_package_autopurge name [name [...]]
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# | arg: name - the package name to autoremove and purge
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#
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# Requires YunoHost version 2.7.2 or higher.
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ynh_package_autopurge() {
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ynh_apt autoremove --purge $@
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}
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# Build and install a package from an equivs control file
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#
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# [internal]
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#
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# example: generate an empty control file with `equivs-control`, adjust its
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# content and use helper to build and install the package:
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# ynh_package_install_from_equivs /path/to/controlfile
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#
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# usage: ynh_package_install_from_equivs controlfile
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# | arg: controlfile - path of the equivs control file
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#
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# Requires YunoHost version 2.2.4 or higher.
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ynh_package_install_from_equivs () {
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local controlfile=$1
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# retrieve package information
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local pkgname=$(grep '^Package: ' $controlfile | cut -d' ' -f 2) # Retrieve the name of the debian package
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local pkgversion=$(grep '^Version: ' $controlfile | cut -d' ' -f 2) # And its version number
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[[ -z "$pkgname" || -z "$pkgversion" ]] \
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&& ynh_die --message="Invalid control file" # Check if this 2 variables aren't empty.
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# Update packages cache
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ynh_package_update
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# Build and install the package
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local TMPDIR=$(mktemp -d)
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# Force the compatibility level at 10, levels below are deprecated
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echo 10 > /usr/share/equivs/template/debian/compat
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# Note that the cd executes into a sub shell
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# Create a fake deb package with equivs-build and the given control file
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# Install the fake package without its dependencies with dpkg
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# Install missing dependencies with ynh_package_install
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ynh_wait_dpkg_free
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cp "$controlfile" "${TMPDIR}/control"
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(cd "$TMPDIR"
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LC_ALL=C equivs-build ./control 1> /dev/null
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dpkg --force-depends -i "./${pkgname}_${pkgversion}_all.deb" 2>&1)
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# If install fails we use "apt-get check" to try to debug and diagnose possible unmet dependencies
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# Note the use of { } which allows to group commands without starting a subshell (otherwise the ynh_die wouldn't exit the current shell).
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# Be careful with the syntax : the semicolon + space at the end is important!
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ynh_package_install -f || { apt-get check 2>&1; ynh_die --message="Unable to install dependencies"; }
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[[ -n "$TMPDIR" ]] && rm -rf $TMPDIR # Remove the temp dir.
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# check if the package is actually installed
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ynh_package_is_installed "$pkgname"
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}
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# Define and install dependencies with a equivs control file
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#
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# This helper can/should only be called once per app
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#
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# example : ynh_install_app_dependencies dep1 dep2 "dep3|dep4|dep5"
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#
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# usage: ynh_install_app_dependencies dep [dep [...]]
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# | arg: dep - the package name to install in dependence. Writing "dep3|dep4|dep5" can be used to specify alternatives. For example : dep1 dep2 "dep3|dep4|dep5" will require to install dep1 and dep 2 and (dep3 or dep4 or dep5).
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#
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# Requires YunoHost version 2.6.4 or higher.
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ynh_install_app_dependencies () {
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local dependencies=$@
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local dependencies=${dependencies// /, }
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local dependencies=${dependencies//|/ | }
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local manifest_path="../manifest.json"
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if [ ! -e "$manifest_path" ]; then
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manifest_path="../settings/manifest.json" # Into the restore script, the manifest is not at the same place
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fi
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local version=$(grep '\"version\": ' "$manifest_path" | cut -d '"' -f 4) # Retrieve the version number in the manifest file.
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if [ ${#version} -eq 0 ]; then
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version="1.0"
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fi
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local dep_app=${app//_/-} # Replace all '_' by '-'
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#
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# Epic ugly hack to fix the goddamn dependency nightmare of sury
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# Sponsored by the "Djeezusse Fokin Kraiste Why Do Adminsys Has To Be So Fucking Complicated I Should Go Grow Potatoes Instead Of This Shit" collective
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# https://github.com/YunoHost/issues/issues/1407
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#
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# If we require to install php dependency
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if echo $dependencies | grep -q 'php';
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then
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# And we have packages from sury installed (7.0.33-10+weirdshiftafter instead of 7.0.33-0 on debian)
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if dpkg --list | grep "php7.0" | grep -q -v "7.0.33-0+deb9"
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then
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# And sury ain't already installed
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if ! grep -nrq "sury" /etc/apt/sources.list*
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then
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# Re-add sury
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echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/sury.list
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wget -O /etc/apt/trusted.gpg.d/sury.gpg https://packages.sury.org/php/apt.gpg
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fi
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fi
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fi
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cat > /tmp/${dep_app}-ynh-deps.control << EOF # Make a control file for equivs-build
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Section: misc
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Priority: optional
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Package: ${dep_app}-ynh-deps
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Version: ${version}
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Depends: ${dependencies}
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Architecture: all
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Description: Fake package for ${app} (YunoHost app) dependencies
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This meta-package is only responsible of installing its dependencies.
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EOF
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ynh_package_install_from_equivs /tmp/${dep_app}-ynh-deps.control \
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|| ynh_die --message="Unable to install dependencies" # Install the fake package and its dependencies
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rm /tmp/${dep_app}-ynh-deps.control
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ynh_app_setting_set --app=$app --key=apt_dependencies --value="$dependencies"
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}
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# Remove fake package and its dependencies
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#
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# Dependencies will removed only if no other package need them.
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#
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# usage: ynh_remove_app_dependencies
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#
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# Requires YunoHost version 2.6.4 or higher.
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ynh_remove_app_dependencies () {
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local dep_app=${app//_/-} # Replace all '_' by '-'
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ynh_package_autopurge ${dep_app}-ynh-deps # Remove the fake package and its dependencies if they not still used.
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}
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