feat: drop explicit makepkg usage (#134)

* generate filenames without using makepkg

* pkgbuild parser impl

* completely remove makepkg calls

* simplify typed get

* try to improve parser

* docs and recipes updatte

* never raise keyerror instead return empty string

* udpate tests

* add support of array expansion

* docs update

* tests update

* handle quoted control sequences correctly

* expand bash

* allow packages without package function

* docs update

* add moroe tests

* small improovements

* support escaped arrays and functions

tests/testresources/models/package_jellyfin-ffmpeg6-bin_pkgbuild

@@ -0,0 +1,31 @@
+# Maintainer : nyanmisaka <nst799610810@gmail.com>
+
+pkgname=jellyfin-ffmpeg6-bin
+pkgver=6.0
+pkgrel=6
+pkgdesc='FFmpeg6 binary version for Jellyfin'
+arch=('x86_64' 'aarch64')
+url='https://github.com/jellyfin/jellyfin-ffmpeg'
+license=('GPL3')
+depends_x86_64=('glibc>=2.23')
+depends_aarch64=('glibc>=2.27')
+optdepends=('intel-media-driver: for Intel VAAPI support (Broadwell and newer)'
+            'intel-media-sdk: for Intel Quick Sync Video'
+            'onevpl-intel-gpu: for Intel Quick Sync Video (12th Gen and newer)'
+            'intel-compute-runtime: for Intel OpenCL runtime based Tonemapping'
+            'libva-intel-driver: for Intel legacy VAAPI support (10th Gen and older)'
+            'libva-mesa-driver: for AMD VAAPI support'
+            'nvidia-utils: for Nvidia NVDEC/NVENC support'
+            'opencl-amd: for AMD OpenCL runtime based Tonemapping'
+            'vulkan-radeon: for AMD RADV Vulkan support'
+            'vulkan-intel: for Intel ANV Vulkan support')
+conflicts=('jellyfin-ffmpeg' 'jellyfin-ffmpeg5' 'jellyfin-ffmpeg5-bin' 'jellyfin-ffmpeg6')
+source_x86_64=("https://repo.jellyfin.org/releases/ffmpeg/${pkgver}-${pkgrel}/jellyfin-ffmpeg_${pkgver}-${pkgrel}_portable_linux64-gpl.tar.xz")
+source_aarch64=("https://repo.jellyfin.org/releases/ffmpeg/${pkgver}-${pkgrel}/jellyfin-ffmpeg_${pkgver}-${pkgrel}_portable_linuxarm64-gpl.tar.xz")
+sha256sums_x86_64=('32cbe40942d26072faa1182835ccc89029883766de11778c731b529aa632ff37')
+sha256sums_aarch64=('22b8f2a3c92c6b1c9e6830a6631f08f3f0a7ae80739ace71ad30704a28045184')
+
+package() {
+    install -Dm 755 ffmpeg ${pkgdir}/usr/lib/jellyfin-ffmpeg/ffmpeg
+    install -Dm 755 ffprobe ${pkgdir}/usr/lib/jellyfin-ffmpeg/ffprobe
+}