Adventures in oxidizing Arch Linux Package Management

### PKGBUILD example
						<a href="examples/PKGBUILD">zstd 1.5.6-1</a>:
						```bash
						pkgname=zstd
						pkgver=1.5.6
						pkgrel=1
						pkgdesc='Zstandard - Fast real-time compression algorithm'
						url='https://facebook.github.io/zstd/'
						arch=(x86_64)
						license=(
						  BSD-3-Clause
						  GPL-2.0-only
						)
						depends=(
						  glibc
						  gcc-libs
						  zlib
						  xz
						  lz4
						)
						makedepends=(
						  cmake
						  gtest
						  ninja
						)
						provides=(libzstd.so)
						source=(https://github.com/facebook/zstd/releases/download/v${pkgver}/zstd-${pkgver}.tar.zst{,.sig})
						sha256sums=('4aa8dd1c1115c0fd6b6b66c35c7f6ce7bd58cc1dfd3e4f175b45b39e84b14352'
						            'SKIP')
						b2sums=('88430a6a5db47462f93f2458cd3cc4823913de2d2d979cad56b06b48367a4ee51f59c795944c16d06abfdd19758b69f0b6e504ed833d02ff76e4cda519d220e4'
						        'SKIP')
						validpgpkeys=(4EF4AC63455FC9F4545D9B7DEF8FE99528B52FFD)

prepare() {
						  cd ${pkgname}-${pkgver}
						  # avoid error on tests without static libs, we use LD_LIBRARY_PATH
						  sed '/build static library to build tests/d' -i build/cmake/CMakeLists.txt
						  sed 's/libzstd_static/libzstd_shared/g' -i build/cmake/tests/CMakeLists.txt
						}

build() {
						  cd ${pkgname}-${pkgver}
						  export CFLAGS+=' -ffat-lto-objects'
						  export CXXFLAGS+=' -ffat-lto-objects'

cmake -S build/cmake -B build -G Ninja \
						    -DCMAKE_BUILD_TYPE=None \
						    -DCMAKE_INSTALL_PREFIX=/usr \
						    -DZSTD_ZLIB_SUPPORT=ON \
						    -DZSTD_LZMA_SUPPORT=ON \
						    -DZSTD_LZ4_SUPPORT=ON \
						    -DZSTD_BUILD_CONTRIB=ON \
						    -DZSTD_BUILD_STATIC=OFF \
						    -DZSTD_BUILD_TESTS=ON \
						    -DZSTD_PROGRAMS_LINK_SHARED=ON
						  cmake --build build
						}

check() {
						  cd ${pkgname}-${pkgver}
						  LD_LIBRARY_PATH="$(pwd)/build/lib" \
						    ctest -VV --test-dir build
						}

package() {
						  cd ${pkgname}-${pkgver}
						  DESTDIR="${pkgdir}" cmake --install build
						  install -Dm 644 LICENSE -t "${pkgdir}/usr/share/licenses/${pkgname}"
						}
						```

### .SRCINFO example
						<a href="examples/.SRCINFO">zstd 1.5.6-1</a>:
						```ini
						pkgbase = zstd
							pkgdesc = Zstandard - Fast real-time compression algorithm
							pkgver = 1.5.6
							pkgrel = 1
							url = https://facebook.github.io/zstd/
							arch = x86_64
							license = BSD-3-Clause
							license = GPL-2.0-only
							makedepends = cmake
							makedepends = gtest
							makedepends = ninja
							depends = glibc
							depends = gcc-libs
							depends = zlib
							depends = xz
							depends = lz4
							provides = libzstd.so
							source = https://github.com/facebook/zstd/releases/download/v1.5.6/zstd-1.5.6.tar.zst
							source = https://github.com/facebook/zstd/releases/download/v1.5.6/zstd-1.5.6.tar.zst.sig
							validpgpkeys = 4EF4AC63455FC9F4545D9B7DEF8FE99528B52FFD
							sha256sums = 4aa8dd1c1115c0fd6b6b66c35c7f6ce7bd58cc1dfd3e4f175b45b39e84b14352
							sha256sums = SKIP
							b2sums = 88430a6a5db47462f93f2458cd3cc4823913de2d2d979cad56b06b48367a4ee51f59c795944c16d06abfdd19758b69f0b6e504ed833d02ff76e4cda519d220e4
							b2sums = SKIP

pkgname = zstd
						```

### .BUILDINFO example
						<a href="examples/.BUILDINFO">zstd 1.5.6-1</a>:
						```ini
						format = 2
						pkgname = zstd
						pkgbase = zstd
						pkgver = 1.5.6-1
						pkgarch = x86_64
						pkgbuild_sha256sum = 7a1931819050ed4f30ef720c4476806a1758803ecbcc0b482ee7a01cc48cada8
						packager = Levente Polyak <anthraxx@archlinux.org>
						builddate = 1715379259
						builddir = /build
						startdir = /startdir
						buildtool = devtools
						buildtoolver = 1:1.2.0-1-any
						buildenv = !distcc
						buildenv = color
						buildenv = !ccache
						buildenv = check
						buildenv = !sign
						options = strip
						options = docs
						options = !libtool
						options = !staticlibs
						options = emptydirs
						options = zipman
						options = purge
						options = debug
						options = lto
						installed = acl-2.3.2-1-x86_64
						installed = archlinux-keyring-20240429-1-any
						installed = attr-2.5.2-1-x86_64
						installed = audit-4.0.1-3-x86_64
						installed = autoconf-2.72-1-any
						installed = automake-1.16.5-2-any
						installed = base-devel-1-1-any
						installed = bash-5.2.026-2-x86_64
						installed = binutils-2.42+r91+g6224493e457-1-x86_64
						installed = bison-3.8.2-6-x86_64
						installed = brotli-1.1.0-2-x86_64
						installed = bzip2-1.0.8-6-x86_64
						installed = ca-certificates-20220905-1-any
						installed = ca-certificates-mozilla-3.100-1-x86_64
						installed = ca-certificates-utils-20220905-1-any
						installed = cmake-3.29.3-1-x86_64
						installed = coreutils-9.5-1-x86_64
						installed = cppdap-1.58.0-1-x86_64
						installed = curl-8.7.1-6-x86_64
						installed = db5.3-5.3.28-5-x86_64
						installed = debugedit-5.0-6-x86_64
						installed = diffutils-3.10-1-x86_64
						installed = e2fsprogs-1.47.0-2-x86_64
						installed = expat-2.6.2-1-x86_64
						installed = fakeroot-1.34-1-x86_64
						installed = file-5.45-1-x86_64
						installed = filesystem-2024.04.07-1-any
						installed = findutils-4.9.0-3-x86_64
						installed = flex-2.6.4-5-x86_64
						installed = gawk-5.3.0-1-x86_64
						installed = gc-8.2.6-1-x86_64
						installed = gcc-14.1.1+r1+g43b730b9134-1-x86_64
						installed = gcc-libs-14.1.1+r1+g43b730b9134-1-x86_64
						installed = gdbm-1.23-2-x86_64
						installed = gettext-0.22.5-1-x86_64
						installed = glib2-2.80.2-1-x86_64
						installed = glibc-2.39+r52+gf8e4623421-1-x86_64
						installed = gmp-6.3.0-2-x86_64
						installed = gnupg-2.4.5-1-x86_64
						installed = gnutls-3.8.5-1-x86_64
						installed = gpgme-1.23.2-4-x86_64
						installed = grep-3.11-1-x86_64
						installed = groff-1.23.0-5-x86_64
						installed = gtest-1.14.0-1-x86_64
						installed = guile-3.0.9-1-x86_64
						installed = gzip-1.13-2-x86_64
						installed = hicolor-icon-theme-0.17-3-any
						installed = iana-etc-20240412-1-any
						installed = icu-74.2-2-x86_64
						installed = jansson-2.14-4-x86_64
						installed = json-c-0.17-1-x86_64
						installed = jsoncpp-1.9.5-2-x86_64
						installed = keyutils-1.6.3-2-x86_64
						installed = krb5-1.21.2-2-x86_64
						installed = libarchive-3.7.4-1-x86_64
						installed = libassuan-2.5.7-2-x86_64
						installed = libcap-2.69-4-x86_64
						installed = libcap-ng-0.8.5-2-x86_64
						installed = libelf-0.191-3-x86_64
						installed = libevent-2.1.12-4-x86_64
						installed = libffi-3.4.6-1-x86_64
						installed = libgcrypt-1.10.3-1-x86_64
						installed = libgpg-error-1.49-1-x86_64
						installed = libidn2-2.3.7-1-x86_64
						installed = libisl-0.26-2-x86_64
						installed = libksba-1.6.6-1-x86_64
						installed = libldap-2.6.7-2-x86_64
						installed = libmpc-1.3.1-1-x86_64
						installed = libnghttp2-1.61.0-1-x86_64
						installed = libnghttp3-1.3.0-1-x86_64
						installed = libnsl-2.0.1-1-x86_64
						installed = libp11-kit-0.25.3-1-x86_64
						installed = libpsl-0.21.5-2-x86_64
						installed = libsasl-2.1.28-4-x86_64
						installed = libseccomp-2.5.5-3-x86_64
						installed = libsecret-0.21.4-1-x86_64
						installed = libssh2-1.11.0-1-x86_64
						installed = libsysprof-capture-46.0-3-x86_64
						installed = libtasn1-4.19.0-1-x86_64
						installed = libtirpc-1.3.4-1-x86_64
						installed = libtool-2.4.7+83+g7b091831-1-x86_64
						installed = libunistring-1.2-1-x86_64
						installed = libusb-1.0.27-1-x86_64
						installed = libuv-1.48.0-2-x86_64
						installed = libverto-0.3.2-5-x86_64
						installed = libxcrypt-4.4.36-1-x86_64
						installed = libxml2-2.12.6-2-x86_64
						installed = linux-api-headers-6.8-1-x86_64
						installed = lz4-1:1.9.4-3-x86_64
						installed = m4-1.4.19-3-x86_64
						installed = make-4.4.1-2-x86_64
						installed = mpdecimal-4.0.0-2-x86_64
						installed = mpfr-4.2.1-3-x86_64
						installed = ncurses-6.4_20230520-3-x86_64
						installed = nettle-3.9.1-1-x86_64
						installed = ninja-1.12.0-2-x86_64
						installed = npth-1.7-1-x86_64
						installed = openssl-3.3.0-1-x86_64
						installed = p11-kit-0.25.3-1-x86_64
						installed = pacman-6.1.0-3-x86_64
						installed = pacman-mirrorlist-20231001-1-any
						installed = pam-1.6.1-2-x86_64
						installed = pambase-20230918-1-any
						installed = patch-2.7.6-10-x86_64
						installed = pcre2-10.43-4-x86_64
						installed = perl-5.38.2-1-x86_64
						installed = pinentry-1.3.0-1-x86_64
						installed = pkgconf-2.1.1-1-x86_64
						installed = python-3.12.3-1-x86_64
						installed = readline-8.2.010-1-x86_64
						installed = rhash-1.4.4-1-x86_64
						installed = sed-4.9-3-x86_64
						installed = shadow-4.15.1-2-x86_64
						installed = sqlite-3.45.3-1-x86_64
						installed = sudo-1.9.15.p5-1-x86_64
						installed = systemd-libs-255.6-1-x86_64
						installed = tar-1.35-2-x86_64
						installed = texinfo-7.1-2-x86_64
						installed = tpm2-tss-4.0.1-1-x86_64
						installed = tzdata-2024a-2-x86_64
						installed = util-linux-2.40.1-1-x86_64
						installed = util-linux-libs-2.40.1-1-x86_64
						installed = which-2.21-6-x86_64
						installed = xz-5.6.1-3-x86_64
						installed = zlib-1:1.3.1-2-x86_64
						installed = zstd-1.5.5-1-x86_64
						```

### .MTREE example
						<a href="examples/.MTREE">zstd 1.5.6-1</a>:
						```
						#mtree
						/set type=file uid=0 gid=0 mode=644
						./.BUILDINFO time=1715379259.0 size=5083 sha256digest=0fca4dd006cc2dba2cc475a99e6b18019272d272b1d3f41ecbd1b25811382211
						./.PKGINFO time=1715379259.0 size=529 sha256digest=ce146619670f465b61a89b0a7f9b421fcd35fc89ed8283483be31d890a3909bf
						/set mode=755
						./usr time=1715379259.0 type=dir
						./usr/bin time=1715379259.0 type=dir
						./usr/bin/pzstd time=1715379259.0 size=92344 sha256digest=7bd671f315c27da045e8517a2e2dea475f0feccb044af83dfeb6598f42469fbd
						./usr/bin/unzstd time=1715379259.0 mode=777 type=link link=zstd
						./usr/bin/zstd time=1715379259.0 size=193792 sha256digest=2ba057c9d702fe905e8cef402f69c1de6318c3b795b1250e0f1bdf23086821bb
						./usr/bin/zstdcat time=1715379259.0 mode=777 type=link link=zstd
						./usr/bin/zstdgrep time=1715379259.0 size=3869 sha256digest=9bc769b26542ef2efa14ae29b3178b7f10639cd95544207691cb258fe06bbe17
						./usr/bin/zstdless time=1715379259.0 size=197 sha256digest=60e767b7d41a7eee6204fe34285b47e2b706797cd6ca35ca25989639f1c13159
						./usr/bin/zstdmt time=1715379259.0 mode=777 type=link link=zstd
						/set mode=644
						./usr/include time=1715379259.0 mode=755 type=dir
						./usr/include/zdict.h time=1715379259.0 size=26433 sha256digest=02a34169467501fcc665cccb33f5bd455fdb665e9806851777dc8a6c4d5a75e3
						./usr/include/zstd.h time=1715379259.0 size=175838 sha256digest=4fab9cf39160cd15fbd9fbc2fd637ee300002fa70e307f85e8a7e45c1e057906
						./usr/include/zstd_errors.h time=1715379259.0 size=4532 sha256digest=36dbd0a595852e10ff5b52992294f610055b8781101f4634036e05cf7d4bb506
						/set mode=755
						./usr/lib time=1715379259.0 type=dir
						./usr/lib/libzstd.so time=1715379259.0 mode=777 type=link link=libzstd.so.1
						./usr/lib/libzstd.so.1 time=1715379259.0 mode=777 type=link link=libzstd.so.1.5.6
						./usr/lib/libzstd.so.1.5.6 time=1715379259.0 size=911304 sha256digest=91b910003ac232cfb0ca7fc11c6275f245e70f150dfd1bdb6b679c1aa3060d06
						./usr/lib/cmake time=1715379259.0 type=dir
						/set mode=644
						./usr/lib/cmake/zstd time=1715379259.0 mode=755 type=dir
						./usr/lib/cmake/zstd/zstdConfig.cmake time=1715379259.0 size=1417 sha256digest=b6c476665fbbe88b89c3ccf8cb947280c2b492ab961b45479467ba3c2d9032d6
						./usr/lib/cmake/zstd/zstdConfigVersion.cmake time=1715379259.0 size=2762 sha256digest=39d205dbf1958b4f1f9112218fd74edece9af4095211ec6a50cbd5b4425a2605
						./usr/lib/cmake/zstd/zstdTargets-none.cmake time=1715379259.0 size=859 sha256digest=aba1e8d751cb25f0191d52a57e0797df42b48a06754104c744ee9d68d82a81ad
						./usr/lib/cmake/zstd/zstdTargets.cmake time=1715379259.0 size=4752 sha256digest=baf6bb37211af4814b2841684bc49c0ed4fb203e6bd252c1f5131a00ed91b971
						./usr/lib/pkgconfig time=1715379259.0 mode=755 type=dir
						./usr/lib/pkgconfig/libzstd.pc time=1715379259.0 size=448 sha256digest=e3cee840af9187369a8741cfed75cca5826a1f2d2b64ecf57e6b39cd36183d2a
						/set mode=755
						./usr/share time=1715379259.0 type=dir
						./usr/share/doc time=1715379259.0 type=dir
						./usr/share/doc/zstd time=1715379259.0 type=dir
						./usr/share/doc/zstd/zstd_manual.html time=1715379259.0 mode=644 size=131382 sha256digest=873ad8ae1be0406688565675d0c458215f847acc5bdc86f6967367fb9f73e653
						./usr/share/licenses time=1715379259.0 type=dir
						./usr/share/licenses/zstd time=1715379259.0 type=dir
						./usr/share/licenses/zstd/LICENSE time=1715379259.0 mode=644 size=1549 sha256digest=7055266497633c9025b777c78eb7235af13922117480ed5c674677adc381c9d8
						./usr/share/man time=1715379259.0 type=dir
						/set mode=644
						./usr/share/man/man1 time=1715379259.0 mode=755 type=dir
						./usr/share/man/man1/unzstd.1.gz time=1715379259.0 mode=777 type=link link=zstd.1.gz
						./usr/share/man/man1/zstd.1.gz time=1715379259.0 size=11313 sha256digest=c422adfacaba57975a17b4c7c1fa4810ca2bfd5e415972185162fbb265fc0d3e
						./usr/share/man/man1/zstdcat.1.gz time=1715379259.0 mode=777 type=link link=zstd.1.gz
						./usr/share/man/man1/zstdgrep.1.gz time=1715379259.0 size=594 sha256digest=f5ea886bfde9d6d4d50756efc6c521058e81ddbce7fa25eaa48a9ba6865e5a5e
						./usr/share/man/man1/zstdless.1.gz time=1715379259.0 size=259 sha256digest=a49eaa51665815b5569f5b27e7ee55ca65c83da055d94b7b8dd34696c4561737
						```

### Repository `desc` file example
						<a href="examples/repository-desc">zstd 1.5.6-1</a>:
						```ini
						%FILENAME%
						zstd-1.5.6-1-x86_64.pkg.tar.zst

%NAME%
						zstd

%BASE%
						zstd

%VERSION%
						1.5.6-1

%DESC%
						Zstandard - Fast real-time compression algorithm

%CSIZE%
						511583

%ISIZE%
						1563644

%SHA256SUM%
						81ca89591caf52923f0f2543ca52cc4683aabc90ab390d419900be28d835f0d1

%PGPSIG%
						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

%URL%
						https://facebook.github.io/zstd/

%LICENSE%
						BSD-3-Clause
						GPL-2.0-only

%ARCH%
						x86_64

%BUILDDATE%
						1715379259

%PACKAGER%
						Levente Polyak <anthraxx@archlinux.org>

%PROVIDES%
						libzstd.so=1-64

%DEPENDS%
						glibc
						gcc-libs
						zlib
						xz
						lz4

%MAKEDEPENDS%
						cmake
						gtest
						ninja
						```

### Repository `files` file example
						<a href="examples/repository-files">zstd 1.5.6-1</a>:
						```text
						%FILES%
						usr/
						usr/bin/
						usr/bin/pzstd
						usr/bin/unzstd
						usr/bin/zstd
						usr/bin/zstdcat
						usr/bin/zstdgrep
						usr/bin/zstdless
						usr/bin/zstdmt
						usr/include/
						usr/include/zdict.h
						usr/include/zstd.h
						usr/include/zstd_errors.h
						usr/lib/
						usr/lib/cmake/
						usr/lib/cmake/zstd/
						usr/lib/cmake/zstd/zstdConfig.cmake
						usr/lib/cmake/zstd/zstdConfigVersion.cmake
						usr/lib/cmake/zstd/zstdTargets-none.cmake
						usr/lib/cmake/zstd/zstdTargets.cmake
						usr/lib/libzstd.so
						usr/lib/libzstd.so.1
						usr/lib/libzstd.so.1.5.6
						usr/lib/pkgconfig/
						usr/lib/pkgconfig/libzstd.pc
						usr/share/
						usr/share/doc/
						usr/share/doc/zstd/
						usr/share/doc/zstd/zstd_manual.html
						usr/share/licenses/
						usr/share/licenses/zstd/
						usr/share/licenses/zstd/LICENSE
						usr/share/man/
						usr/share/man/man1/
						usr/share/man/man1/unzstd.1.gz
						usr/share/man/man1/zstd.1.gz
						usr/share/man/man1/zstdcat.1.gz
						usr/share/man/man1/zstdgrep.1.gz
						usr/share/man/man1/zstdless.1.gz
						```