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libretro-fetch.sh
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libretro-fetch.sh
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#! /usr/bin/env bash
# vim: set ts=3 sw=3 noet ft=sh : bash
SCRIPT="${0#./}"
BASE_DIR="${SCRIPT%/*}"
WORKDIR="$PWD"
if [ "$BASE_DIR" = "$SCRIPT" ]; then
BASE_DIR="$WORKDIR"
else
if [[ "$0" != /* ]]; then
# Make the path absolute
BASE_DIR="$WORKDIR/$BASE_DIR"
fi
fi
. "$BASE_DIR/libretro-config.sh"
. "$BASE_DIR/script-modules/log.sh"
. "$BASE_DIR/script-modules/util.sh"
. "$BASE_DIR/script-modules/fetch-rules.sh"
. "$BASE_DIR/script-modules/module_base.sh"
# Rules for fetching things are in these files:
. "$BASE_DIR/rules.d/core-rules.sh"
. "$BASE_DIR/rules.d/player-rules.sh"
. "$BASE_DIR/rules.d/devkit-rules.sh"
# TODO: Read these programmatically
# libretro_fetch: Download the given core using its fetch rules
#
# $1 Name of the core to fetch
libretro_fetch() {
local module_name
local module_dir
local fetch_rule
local post_fetch_cmd
eval "module_name=\$libretro_${1}_name"
[ -z "$module_name" ] && module_name="$1"
echo "$(color 34)=== $(color 1)$module_name$(color)"
eval "fetch_rule=\$libretro_${1}_fetch_rule"
[ -z "$fetch_rule" ] && fetch_rule=git
eval "module_dir=\$libretro_${1}_dir"
[ -z "$module_dir" ] && module_dir="libretro-$1"
case "$fetch_rule" in
git)
local git_url
local git_submodules
eval "git_url=\$libretro_${1}_git_url"
if [ -z "$git_url" ]; then
echo "libretro_fetch:No URL set to fetch $1 via git."
exit 1
fi
eval "git_submodules=\$libretro_${1}_git_submodules"
# TODO: Don't depend on fetch_rule being git
echo "Fetching ${1}..."
fetch_git "$git_url" "$module_dir" "$git_submodules"
;;
*)
echo "libretro_fetch:Unknown fetch rule for $1: \"$fetch_rule\"."
exit 1
;;
esac
eval "post_fetch_cmd=\$libretro_${1}_post_fetch_cmd"
if [ -n "$post_fetch_cmd" ]; then
echo_cmd "cd \"$WORKDIR/$module_dir\""
echo_cmd "$post_fetch_cmd"
fi
}
libretro_players="retroarch"
if [ -n "$1" ]; then
no_more_args=""
while [ -n "$1" ]; do
if [[ "$1" = -* && -z "$no_more_args" ]]; then
case "$1" in
--) no_more_args=1 ;;
--cores) fetch_cores="$libretro_cores" ;;
--devkit) fetch_devkits="$libretro_devkits" ;;
--players) fetch_players="$libretro_players" ;;
--retroarch) fetch_players="retroarch" ;;
*) ;;
esac
shift
continue
fi
fetch_cores="$fetch_cores $1"
# Handle non-commands
shift
done
else
# Make libretro-fetch.sh with no args behave traditionally by default
fetch_cores="$libretro_cores"
fetch_players="$libretro_players"
fetch_devkit="$libretro_devkits"
fi
for a in $fetch_players; do
libretro_fetch "${a%%:*}"
done
for a in $fetch_devkits; do
libretro_fetch "${a%%:*}"
done
for a in $fetch_cores; do
libretro_fetch "${a%%:*}"
done