[cmake] Update CPMUtil (#4123)

Notable changes

- Single cpmfile
- version/min_version/git_version have been fixed and replaced with
  version and min_version
- Docs rewrite
- Legacy options are gone
- Fixed update/version commands
- Added patch creation functionality

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4123
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

tools/cpm/package/fetch.sh

@@ -3,115 +3,8 @@
 # SPDX-FileCopyrightText: Copyright 2026 crueter
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-: "${CPM_SOURCE_CACHE:=$PWD/.cache/cpm}"
-
-mkdir -p "$CPM_SOURCE_CACHE"
-
-ROOTDIR="$PWD"
-
-TMP=$(mktemp -d)
-
-download_package() {
-	FILENAME=$(basename "$DOWNLOAD")
-
-	OUTFILE="$TMP/$FILENAME"
-
-	LOWER_PACKAGE=$(echo "$PACKAGE_NAME" | tr '[:upper:]' '[:lower:]')
-	OUTDIR="${CPM_SOURCE_CACHE}/${LOWER_PACKAGE}/${KEY}"
-	[ -d "$OUTDIR" ] && return
-
-	curl "$DOWNLOAD" -sS -L -o "$OUTFILE"
-
-	ACTUAL_HASH=$("${HASH_ALGO}"sum "$OUTFILE" | cut -d" " -f1)
-	[ "$ACTUAL_HASH" != "$HASH" ] && echo "!! $FILENAME did not match expected hash; expected $HASH but got $ACTUAL_HASH" && exit 1
-
-	TMPDIR="$TMP/extracted"
-	mkdir -p "$OUTDIR"
-	mkdir -p "$TMPDIR"
-
-	PREVDIR="$PWD"
-	mkdir -p "$TMPDIR"
-	cd "$TMPDIR"
-
-	case "$FILENAME" in
-	*.7z)
-		7z x "$OUTFILE" >/dev/null
-		;;
-	*.tar*)
-		tar xf "$OUTFILE" >/dev/null
-		;;
-	*.zip)
-		unzip "$OUTFILE" >/dev/null
-		;;
-	esac
-
-	# basically if only one real item exists at the top we just move everything from there
-	# since github and some vendors hate me
-	DIRS=$(find . -maxdepth 1 -type d -o -type f)
-
-	# thanks gnu
-	if [ "$(echo "$DIRS" | wc -l)" -eq 2 ]; then
-		SUBDIR=$(find . -maxdepth 1 -type d -not -name ".")
-		mv "$SUBDIR"/* "$OUTDIR"
-		mv "$SUBDIR"/.* "$OUTDIR" 2>/dev/null || true
-		rmdir "$SUBDIR"
-	else
-		mv ./* "$OUTDIR"
-		mv ./.* "$OUTDIR" 2>/dev/null || true
-	fi
-
-	cd "$OUTDIR"
-
-	if echo "$JSON" | grep -e "patches" >/dev/null; then
-		PATCHES=$(echo "$JSON" | jq -r '.patches | join(" ")')
-		for patch in $PATCHES; do
-			patch --binary -p1 <"$ROOTDIR/.patch/$PACKAGE/$patch"
-		done
-	fi
-
-	cd "$PREVDIR"
-}
-
-ci_package() {
-	[ "$REPO" != null ] || { echo "-- ! No repo defined" && return; }
-
-	echo "-- CI package $PACKAGE_NAME"
-
-	for platform in \
-		windows-amd64 windows-arm64 \
-		mingw-amd64 mingw-arm64 \
-		android-aarch64 android-x86_64 \
-		solaris-amd64 freebsd-amd64 openbsd-amd64 \
-		linux-amd64 linux-aarch64 \
-		macos-universal ios-aarch64; do
-		echo "-- * platform $platform"
-
-		case $DISABLED in
-		*"$platform"*)
-			echo "-- * -- disabled"
-			continue
-			;;
-		esac
-
-		FILENAME="${NAME}-${platform}-${VERSION}.${EXT}"
-		DOWNLOAD="https://$GIT_HOST/${REPO}/releases/download/v${VERSION}/${FILENAME}"
-		KEY="$platform-$VERSION"
-
-		LOWER_PACKAGE=$(echo "$PACKAGE_NAME" | tr '[:upper:]' '[:lower:]')
-		OUTDIR="${CPM_SOURCE_CACHE}/${LOWER_PACKAGE}/${KEY}"
-		[ -d "$OUTDIR" ] && continue
-
-		HASH_ALGO=$(echo "$JSON" | jq -r ".hash_algo")
-		[ "$HASH_ALGO" != null ] || HASH_ALGO=sha512
-
-		HASH_SUFFIX="${HASH_ALGO}sum"
-		HASH_URL="${DOWNLOAD}.${HASH_SUFFIX}"
-
-		HASH=$(curl "$HASH_URL" -sS -q -L -o -)
-
-		download_package
-	done
-}
+# shellcheck disable=SC1091
+. "$SCRIPTS/util/fetch.sh"
 
 usage() {
 	cat <<EOF
@@ -141,16 +34,11 @@ done
 [ -n "$packages" ] || usage
 
 for PACKAGE in $packages; do
+	unset JSON
 	export PACKAGE
+
 	# shellcheck disable=SC1091
 	. "$SCRIPTS"/vars.sh
 
-	if [ "$CI" = "true" ]; then
-		ci_package
-	else
-		echo "-- Downloading regular package $PACKAGE, with key $KEY, from $DOWNLOAD"
-		download_package
-	fi
+	fetch_package
 done
-
-rm -rf "$TMP"