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glitchsoc_ynh/scripts/ynh_apt
Tagada 1b55c4b8ec Please package_linter about helpers
2020-05-18 22:22:28 +02:00

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#!/bin/bash
# Define and install dependencies with a equivs control file
#
# This helper can/should only be called once per app
#
# example : ynh_install_app_dependencies dep1 dep2 "dep3|dep4|dep5"
#
# usage: ynh_install_app_dependencies dep [dep [...]]
# | 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).
#
# Requires YunoHost version 2.6.4 or higher.
ynh_install_app_dependencies () {
local dependencies=$@
# Add a comma for each space between packages. But not add a comma if the space separate a version specification. (See below)
dependencies="$(echo "$dependencies" | sed 's/\([^\<=\>]\)\ \([^(]\)/\1, \2/g')"
local dependencies=${dependencies//|/ | }
local manifest_path="../manifest.json"
if [ ! -e "$manifest_path" ]; then
manifest_path="../settings/manifest.json" # Into the restore script, the manifest is not at the same place
fi
local version=$(grep '\"version\": ' "$manifest_path" | cut --delimiter='"' --fields=4) # Retrieve the version number in the manifest file.
if [ ${#version} -eq 0 ]; then
version="1.0"
fi
local dep_app=${app//_/-} # Replace all '_' by '-'
# Handle specific versions
if [[ "$dependencies" =~ [\<=\>] ]]
then
# Replace version specifications by relationships syntax
# https://www.debian.org/doc/debian-policy/ch-relationships.html
# Sed clarification
# [^(\<=\>] ignore if it begins by ( or < = >. To not apply twice.
# [\<=\>] matches < = or >
# \+ matches one or more occurence of the previous characters, for >= or >>.
# [^,]\+ matches all characters except ','
# Ex: 'package>=1.0' will be replaced by 'package (>= 1.0)'
dependencies="$(echo "$dependencies" | sed 's/\([^(\<=\>]\)\([\<=\>]\+\)\([^,]\+\)/\1 (\2 \3)/g')"
fi
#
# Epic ugly hack to fix the goddamn dependency nightmare of sury
# 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
# https://github.com/YunoHost/issues/issues/1407
#
# If we require to install php dependency
if echo $dependencies | grep --quiet 'php'
then
# And we have packages from sury installed (7.0.33-10+weirdshiftafter instead of 7.0.33-0 on debian)
if dpkg --list | grep "php7.0" | grep --quiet --invert-match "7.0.33-0+deb9"
then
# And sury ain't already installed
if ! grep --line-number --recursive --quiet "sury" /etc/apt/sources.list*
then
# Re-add sury
ynh_install_extra_repo --repo="https://packages.sury.org/php/ $(ynh_get_debian_release) main" --key="https://packages.sury.org/php/apt.gpg" --name=extra_php_version
# Pin this sury repository to prevent sury of doing shit
ynh_pin_repo --package="*" --pin="origin \"packages.sury.org\"" --priority=200 --name=extra_php_version
ynh_pin_repo --package="php${YNH_DEFAULT_PHP_VERSION}*" --pin="origin \"packages.sury.org\"" --priority=600 --name=extra_php_version --append
fi
fi
fi
cat > /tmp/${dep_app}-ynh-deps.control << EOF # Make a control file for equivs-build
Section: misc
Priority: optional
Package: ${dep_app}-ynh-deps
Version: ${version}
Depends: ${dependencies}
Architecture: all
Description: Fake package for ${app} (YunoHost app) dependencies
This meta-package is only responsible of installing its dependencies.
EOF
ynh_package_install_from_equivs /tmp/${dep_app}-ynh-deps.control \
|| ynh_die --message="Unable to install dependencies" # Install the fake package and its dependencies
rm /tmp/${dep_app}-ynh-deps.control
ynh_app_setting_set --app=$app --key=apt_dependencies --value="$dependencies"
}
# Add dependencies to install with ynh_install_app_dependencies
#
# usage: ynh_add_app_dependencies --package=phpversion [--replace]
# | arg: -p, --package= - Packages to add as dependencies for the app.
# | arg: -r, --replace - Replace dependencies instead of adding to existing ones.
#
# Requires YunoHost version 3.8.1 or higher.
ynh_add_app_dependencies () {
# Declare an array to define the options of this helper.
local legacy_args=pr
local -A args_array=( [p]=package= [r]=replace)
local package
local replace
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
replace=${replace:-0}
local current_dependencies=""
if [ $replace -eq 0 ]
then
local dep_app=${app//_/-} # Replace all '_' by '-'
if ynh_package_is_installed --package="${dep_app}-ynh-deps"
then
current_dependencies="$(dpkg-query --show --showformat='${Depends}' ${dep_app}-ynh-deps) "
fi
current_dependencies=${current_dependencies// | /|}
fi
ynh_install_app_dependencies "${current_dependencies}${package}"
}
#=================================================
# Install packages from an extra repository properly.
#
# usage: ynh_install_extra_app_dependencies --repo="repo" --package="dep1 dep2" [--key=key_url] [--name=name]
# | arg: -r, --repo= - Complete url of the extra repository.
# | arg: -p, --package= - The packages to install from this extra repository
# | arg: -k, --key= - url to get the public key.
# | arg: -n, --name= - Name for the files for this repo, $app as default value.
#
# Requires YunoHost version 3.8.1 or higher.
ynh_install_extra_app_dependencies () {
# Declare an array to define the options of this helper.
local legacy_args=rpkn
local -A args_array=( [r]=repo= [p]=package= [k]=key= [n]=name= )
local repo
local package
local key
local name
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
name="${name:-$app}"
key=${key:-}
# Set a key only if asked
if [ -n "$key" ]
then
key="--key=$key"
fi
# Add an extra repository for those packages
ynh_install_extra_repo --repo="$repo" $key --priority=995 --name=$name
# Install requested dependencies from this extra repository.
ynh_add_app_dependencies --package="$package"
# Remove this extra repository after packages are installed
ynh_remove_extra_repo --name=$app
}
# Add an extra repository correctly, pin it and get the key.
#
# [internal]
#
# usage: ynh_install_extra_repo --repo="repo" [--key=key_url] [--priority=priority_value] [--name=name] [--append]
# | arg: -r, --repo= - Complete url of the extra repository.
# | arg: -k, --key= - url to get the public key.
# | arg: -p, --priority= - Priority for the pin
# | arg: -n, --name= - Name for the files for this repo, $app as default value.
# | arg: -a, --append - Do not overwrite existing files.
#
# Requires YunoHost version 3.8.1 or higher.
ynh_install_extra_repo () {
# Declare an array to define the options of this helper.
local legacy_args=rkpna
local -A args_array=( [r]=repo= [k]=key= [p]=priority= [n]=name= [a]=append )
local repo
local key
local priority
local name
local append
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
name="${name:-$app}"
append=${append:-0}
key=${key:-}
priority=${priority:-}
if [ $append -eq 1 ]
then
append="--append"
wget_append="tee --append"
else
append=""
wget_append="tee"
fi
# Split the repository into uri, suite and components.
# Remove "deb " at the beginning of the repo.
repo="${repo#deb }"
# Get the uri
local uri="$(echo "$repo" | awk '{ print $1 }')"
# Get the suite
local suite="$(echo "$repo" | awk '{ print $2 }')"
# Get the components
local component="${repo##$uri $suite }"
# Add the repository into sources.list.d
ynh_add_repo --uri="$uri" --suite="$suite" --component="$component" --name="$name" $append
# Pin the new repo with the default priority, so it won't be used for upgrades.
# Build $pin from the uri without http and any sub path
local pin="${uri#*://}"
pin="${pin%%/*}"
# Set a priority only if asked
if [ -n "$priority" ]
then
priority="--priority=$priority"
fi
ynh_pin_repo --package="*" --pin="origin \"$pin\"" $priority --name="$name" $append
# Get the public key for the repo
if [ -n "$key" ]
then
mkdir --parents "/etc/apt/trusted.gpg.d"
# Timeout option is here to enforce the timeout on dns query and tcp connect (c.f. man wget)
wget --timeout 900 --quiet "$key" --output-document=- | gpg --dearmor | $wget_append /etc/apt/trusted.gpg.d/$name.gpg > /dev/null
fi
# Update the list of package with the new repo
ynh_package_update
}
# Remove an extra repository and the assiociated configuration.
#
# [internal]
#
# usage: ynh_remove_extra_repo [--name=name]
# | arg: -n, --name= - Name for the files for this repo, $app as default value.
#
# Requires YunoHost version 3.8.1 or higher.
ynh_remove_extra_repo () {
# Declare an array to define the options of this helper.
local legacy_args=n
local -A args_array=( [n]=name= )
local name
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
name="${name:-$app}"
ynh_secure_remove "/etc/apt/sources.list.d/$name.list"
ynh_secure_remove "/etc/apt/preferences.d/$name"
ynh_secure_remove "/etc/apt/trusted.gpg.d/$name.gpg"
ynh_secure_remove "/etc/apt/trusted.gpg.d/$name.asc"
# Update the list of package to exclude the old repo
ynh_package_update
}
# Add a repository.
#
# [internal]
#
# usage: ynh_add_repo --uri=uri --suite=suite --component=component [--name=name] [--append]
# | arg: -u, --uri= - Uri of the repository.
# | arg: -s, --suite= - Suite of the repository.
# | arg: -c, --component= - Component of the repository.
# | arg: -n, --name= - Name for the files for this repo, $app as default value.
# | arg: -a, --append - Do not overwrite existing files.
#
# Example for a repo like deb http://forge.yunohost.org/debian/ stretch stable
# uri suite component
# ynh_add_repo --uri=http://forge.yunohost.org/debian/ --suite=stretch --component=stable
#
# Requires YunoHost version 3.8.1 or higher.
ynh_add_repo () {
# Declare an array to define the options of this helper.
local legacy_args=uscna
local -A args_array=( [u]=uri= [s]=suite= [c]=component= [n]=name= [a]=append )
local uri
local suite
local component
local name
local append
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
name="${name:-$app}"
append=${append:-0}
if [ $append -eq 1 ]
then
append="tee --append"
else
append="tee"
fi
mkdir --parents "/etc/apt/sources.list.d"
# Add the new repo in sources.list.d
echo "deb $uri $suite $component" \
| $append "/etc/apt/sources.list.d/$name.list"
}
# Pin a repository.
#
# [internal]
#
# usage: ynh_pin_repo --package=packages --pin=pin_filter [--priority=priority_value] [--name=name] [--append]
# | arg: -p, --package= - Packages concerned by the pin. Or all, *.
# | arg: -i, --pin= - Filter for the pin.
# | arg: -p, --priority= - Priority for the pin
# | arg: -n, --name= - Name for the files for this repo, $app as default value.
# | arg: -a, --append - Do not overwrite existing files.
#
# See https://manpages.debian.org/stretch/apt/apt_preferences.5.en.html#How_APT_Interprets_Priorities for information about pinning.
#
# Requires YunoHost version 3.8.1 or higher.
ynh_pin_repo () {
# Declare an array to define the options of this helper.
local legacy_args=pirna
local -A args_array=( [p]=package= [i]=pin= [r]=priority= [n]=name= [a]=append )
local package
local pin
local priority
local name
local append
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
package="${package:-*}"
priority=${priority:-50}
name="${name:-$app}"
append=${append:-0}
if [ $append -eq 1 ]
then
append="tee --append"
else
append="tee"
fi
mkdir --parents "/etc/apt/preferences.d"
echo "Package: $package
Pin: $pin
Pin-Priority: $priority
" \
| $append "/etc/apt/preferences.d/$name"
}
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