Update package version to 2.2.6

pkg.info

@@ -1,8 +1,18 @@
 name: nim
 description: Statically typed compiled systems programming language
-version: 2.2.4
+version: 2.2.6
+revision: 1
 url: https://nim-lang.org/
 license: MIT
 architecture: any
-depends: ["bash","gcc","gcc-libs","glibc"]
 type: source
+depends:
+  - bash
+  - gcc
+  - gcc-libs
+  - glibc
+downloads:
+  - url: https://nim-lang.org/download/nim-${BPM_PKG_VERSION}.tar.xz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 657b0e3d5def788148d2a87fa6123fa755b2d92cad31ef60fd261e451785528b

source.sh

@@ -2,15 +2,9 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
-DOWNLOAD="https://nim-lang.org/download/nim-${BPM_PKG_VERSION}.tar.xz"
-FILENAME="${DOWNLOAD##*/}"
-
 # The prepare function is executed in the root of the temp directory
-# This function is used for downloading files and putting them into the correct location
+# This function is used for putting downloaded files to the correct location or applying patches
 prepare() {
-  wget "$DOWNLOAD"
-  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
-
   cd "$BPM_SOURCE"
   for nimcfg in {compiler,config}/nim.cfg; do
     echo "gcc.options.always %= \"\${gcc.options.always} ${CFLAGS:-} ${CPPFLAGS}\"" >> "$nimcfg"