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+#!/bin/bash
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+
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+# Pin a repository.
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+#
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+# usage: ynh_pin_repo --package=packages --pin=pin_filter [--priority=priority_value] [--name=name] [--append]
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+# | arg: -p, --package - Packages concerned by the pin. Or all, *.
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+# | arg: -i, --pin - Filter for the pin.
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+# | arg: -p, --priority - Priority for the pin
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+# | arg: -n, --name - Name for the files for this repo, $app as default value.
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+# | arg: -a, --append - Do not overwrite existing files.
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+#
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+# See https://manpages.debian.org/stretch/apt/apt_preferences.5.en.html for information about pinning.
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+#
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+ynh_pin_repo () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=pirna
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+ declare -Ar args_array=( [p]=package= [i]=pin= [r]=priority= [n]=name= [a]=append )
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+ local package
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+ local pin
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+ local priority
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+ local name
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+ local append
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ package="${package:-*}"
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+ priority=${priority:-50}
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+ name="${name:-$app}"
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+ append=${append:-0}
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+
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+ if [ $append -eq 1 ]
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+ then
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+ append="tee -a"
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+ else
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+ append="tee"
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+ fi
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+
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+ mkdir -p "/etc/apt/preferences.d"
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+ echo "Package: $package
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+Pin: $pin
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+Pin-Priority: $priority" \
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+ | $append "/etc/apt/preferences.d/$name"
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+}
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+
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+# Add a repository.
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+#
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+# usage: ynh_add_repo --uri=uri --suite=suite --component=component [--name=name] [--append]
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+# | arg: -u, --uri - Uri of the repository.
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+# | arg: -s, --suite - Suite of the repository.
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+# | arg: -c, --component - Component of the repository.
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+# | arg: -n, --name - Name for the files for this repo, $app as default value.
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+# | arg: -a, --append - Do not overwrite existing files.
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+#
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+# Example for a repo like deb http://forge.yunohost.org/debian/ stretch stable
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+# uri suite component
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+# ynh_add_repo --uri=http://forge.yunohost.org/debian/ --suite=stretch --component=stable
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+#
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+ynh_add_repo () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=uscna
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+ declare -Ar args_array=( [u]=uri= [s]=suite= [c]=component= [n]=name= [a]=append )
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+ local uri
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+ local suite
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+ local component
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+ local name
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+ local append
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ name="${name:-$app}"
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+ append=${append:-0}
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+
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+ if [ $append -eq 1 ]
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+ then
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+ append="tee -a"
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+ else
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+ append="tee"
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+ fi
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+
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+ mkdir -p "/etc/apt/sources.list.d"
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+ # Add the new repo in sources.list.d
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+ echo "deb $uri $suite $component" \
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+ | $append "/etc/apt/sources.list.d/$name.list"
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+}
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+
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+# Add an extra repository correctly, pin it and get the key.
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+#
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+# usage: ynh_install_extra_repo --repo="repo" [--key=key_url] [--priority=priority_value] [--name=name] [--append]
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+# | arg: -r, --repo - Complete url of the extra repository.
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+# | arg: -k, --key - url to get the public key.
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+# | arg: -p, --priority - Priority for the pin
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+# | arg: -n, --name - Name for the files for this repo, $app as default value.
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+# | arg: -a, --append - Do not overwrite existing files.
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+ynh_install_extra_repo () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=rkpna
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+ declare -Ar args_array=( [r]=repo= [k]=key= [p]=priority= [n]=name= [a]=append )
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+ local repo
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+ local key
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+ local priority
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+ local name
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+ local append
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ name="${name:-$app}"
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+ append=${append:-0}
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+ key=${key:-0}
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+ priority=${priority:-}
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+
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+ if [ $append -eq 1 ]
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+ then
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+ append="--append"
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+ wget_append="tee -a"
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+ else
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+ append=""
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+ wget_append="tee"
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+ fi
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+
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+ # Split the repository into uri, suite and components.
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+ # Remove "deb " at the beginning of the repo.
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+ repo="${repo#deb }"
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+
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+ # Get the uri
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+ local uri="$(echo "$repo" | awk '{ print $1 }')"
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+
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+ # Get the suite
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+ local suite="$(echo "$repo" | awk '{ print $2 }')"
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+
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+ # Get the components
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+ local component="${repo##$uri $suite }"
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+
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+ # Add the repository into sources.list.d
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+ ynh_add_repo --uri="$uri" --suite="$suite" --component="$component" --name="$name" $append
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+
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+ # Pin the new repo with the default priority, so it won't be used for upgrades.
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+ # Build $pin from the uri without http and any sub path
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+ local pin="${uri#*://}"
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+ pin="${pin%%/*}"
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+ # Set a priority only if asked
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+ if [ -n "$priority" ]
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+ then
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+ priority="--priority=$priority"
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+ fi
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+ ynh_pin_repo --package="*" --pin="origin \"$pin\"" $priority --name="$name" $append
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+
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+ # Get the public key for the repo
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+ if [ -n "$key" ]
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+ then
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+ mkdir -p "/etc/apt/trusted.gpg.d"
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+ wget -q "$key" -O - | gpg --dearmor | $wget_append /etc/apt/trusted.gpg.d/$name.gpg > /dev/null
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+ fi
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+
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+ # Update the list of package with the new repo
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+ ynh_package_update
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+}
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+
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+# Remove an extra repository and the assiociated configuration.
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+#
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+# usage: ynh_remove_extra_repo [--name=name]
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+# | arg: -n, --name - Name for the files for this repo, $app as default value.
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+ynh_remove_extra_repo () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=n
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+ declare -Ar args_array=( [n]=name= )
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+ local name
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ name="${name:-$app}"
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+
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+ ynh_secure_remove "/etc/apt/sources.list.d/$name.list"
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+ ynh_secure_remove "/etc/apt/preferences.d/$name"
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+ ynh_secure_remove "/etc/apt/trusted.gpg.d/$name.gpg"
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+ ynh_secure_remove "/etc/apt/trusted.gpg.d/$name.asc"
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+
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+ # Update the list of package to exclude the old repo
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+ ynh_package_update
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+}
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+
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+# Install packages from an extra repository properly.
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+#
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+# usage: ynh_install_extra_app_dependencies --repo="repo" --package="dep1 dep2" [--key=key_url] [--name=name]
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+# | arg: -r, --repo - Complete url of the extra repository.
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+# | arg: -p, --package - The packages to install from this extra repository
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+# | arg: -k, --key - url to get the public key.
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+# | arg: -n, --name - Name for the files for this repo, $app as default value.
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+ynh_install_extra_app_dependencies () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=rpkn
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+ declare -Ar args_array=( [r]=repo= [p]=package= [k]=key= [n]=name= )
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+ local repo
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+ local package
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+ local key
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+ local name
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ name="${name:-$app}"
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+ key=${key:-0}
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+
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+ # Set a key only if asked
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+ if [ -n "$key" ]
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+ then
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+ key="--key=$key"
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+ fi
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+ # Add an extra repository for those packages
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+ ynh_install_extra_repo --repo="$repo" $key --priority=995 --name=$name
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+
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+ # Install requested dependencies from this extra repository.
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+ ynh_add_app_dependencies --package="$package"
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+
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+ # Remove this extra repository after packages are installed
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+ ynh_remove_extra_repo --name=$app
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+}
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+
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+#=================================================
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+
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+# patched version of ynh_install_app_dependencies to be used with ynh_add_app_dependencies
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+
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+# Define and install dependencies with a equivs control file
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+# This helper can/should only be called once per app
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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
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+# You can give a choice between some package with this syntax : "dep1|dep2"
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+# Example : ynh_install_app_dependencies dep1 dep2 "dep3|dep4|dep5"
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+# This mean in the dependence tree : dep1 & dep2 & (dep3 | dep4 | 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=$@
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+ dependencies="$(echo "$dependencies" | sed 's/\([^\<=\>]\)\ \([^(]\)/\1, \2/g')"
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+ 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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+
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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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+ # Handle specific versions
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+ if [[ "$dependencies" =~ [\<=\>] ]]
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+ then
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+ # Replace version specifications by relationships syntax
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+ # https://www.debian.org/doc/debian-policy/ch-relationships.html
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+ # Sed clarification
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+ # [^(\<=\>] ignore if it begins by ( or < = >. To not apply twice.
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+ # [\<=\>] matches < = or >
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+ # \+ matches one or more occurence of the previous characters, for >= or >>.
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+ # [^,]\+ matches all characters except ','
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+ # Ex: package>=1.0 will be replaced by package (>= 1.0)
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+ dependencies="$(echo "$dependencies" | sed 's/\([^(\<=\>]\)\([\<=\>]\+\)\([^,]\+\)/\1 (\2 \3)/g')"
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+ fi
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+
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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="$dependencies"
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+}
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+
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+ynh_add_app_dependencies () {
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+ # Declare an array to define the options of this helper.
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+ local legacy_args=pr
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+ declare -Ar args_array=( [p]=package= [r]=replace)
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+ local package
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+ local replace
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+ # Manage arguments with getopts
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+ ynh_handle_getopts_args "$@"
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+ replace=${replace:-0}
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+
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+ local current_dependencies=""
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+ if [ $replace -eq 0 ]
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+ then
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+ local dep_app=${app//_/-} # Replace all '_' by '-'
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+ if ynh_package_is_installed --package="${dep_app}-ynh-deps"
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+ then
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+ current_dependencies="$(dpkg-query --show --showformat='${Depends}' ${dep_app}-ynh-deps) "
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+ fi
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+
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+ current_dependencies=${current_dependencies// | /|}
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+ fi
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+
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+ ynh_install_app_dependencies "${current_dependencies}${package}"
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+}
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Mickael-Martin