schist, schist-bin: new package

schist/.SRCINFO

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+pkgbase = schist
+	pkgdesc = Layered image editor with PSD and Affinity support
+	pkgver = 0.15.0
+	pkgrel = 1
+	url = https://github.com/Infrawrench/schist
+	arch = x86_64
+	arch = aarch64
+	license = MIT
+	makedepends = cargo
+	makedepends = clang
+	makedepends = mold
+	depends = fontconfig
+	depends = freetype2
+	depends = hicolor-icon-theme
+	depends = libxcb
+	depends = libxkbcommon
+	depends = libxkbcommon-x11
+	depends = vulkan-driver
+	depends = vulkan-icd-loader
+	depends = wayland
+	optdepends = libheif>=1.23.4: HEIC import
+	options = !lto
+	source = schist-0.15.0.tar.gz::https://github.com/Infrawrench/schist/archive/v0.15.0.tar.gz
+	sha256sums = ff11e4d29c47d6a8fe8736cb7efa6293894211b4f96cf9fca5bca9a0e7bb2585
+
+pkgname = schist

schist/PKGBUILD

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+# Maintainer: Felitendo
+# Contributor: Infrawrench LLC <astrid@infrawrench.com>
+# This PKGBUILD is updated automatically:
+# https://github.com/Felitendo/PKGBUILDS
+
+pkgname=schist
+pkgver=0.15.0
+pkgrel=1
+pkgdesc="Layered image editor with PSD and Affinity support"
+arch=('x86_64' 'aarch64')
+url="https://github.com/Infrawrench/schist"
+license=('MIT')
+# Upstream's own list (packaging/linux/aur/schist), checked by pkg.sh on every
+# new version. fontconfig, wayland and the Vulkan loader are dlopen'd.
+# vulkan-driver: the loader alone draws nothing.
+depends=('fontconfig' 'freetype2' 'hicolor-icon-theme' 'libxcb' 'libxkbcommon'
+         'libxkbcommon-x11' 'vulkan-driver' 'vulkan-icd-loader' 'wayland')
+# dlopen'd, the app starts without it
+optdepends=('libheif>=1.23.4: HEIC import')
+# clang + mold: upstream's .cargo/config.toml links with them on x86_64
+makedepends=('cargo' 'clang' 'mold')
+# !lto: makepkg's -flto=auto turns ring's C objects into GCC bitcode that the
+# clang link cannot read
+options=('!lto')
+source=("${pkgname}-${pkgver}.tar.gz::${url}/archive/v${pkgver}.tar.gz")
+sha256sums=('ff11e4d29c47d6a8fe8736cb7efa6293894211b4f96cf9fca5bca9a0e7bb2585')
+
+prepare() {
+  cd "$pkgname-$pkgver"
+
+  export RUSTUP_TOOLCHAIN=stable
+  cargo fetch --locked --target "$(rustc -vV | sed -n 's/^host: //p')"
+}
+
+build() {
+  cd "$pkgname-$pkgver"
+
+  export RUSTUP_TOOLCHAIN=stable
+  export CARGO_TARGET_DIR=target
+  cargo build --frozen --release -p schist-app
+}
+
+package() {
+  cd "$pkgname-$pkgver"
+
+  install -Dm755 target/release/schist "$pkgdir/usr/bin/schist"
+  install -Dm644 packaging/linux/schist.desktop \
+    "$pkgdir/usr/share/applications/schist.desktop"
+  # named after the desktop entry's Icon= key
+  install -Dm644 packaging/linux/schist.png \
+    "$pkgdir/usr/share/icons/hicolor/256x256/apps/com.infrawrench.schist.png"
+  install -Dm644 packaging/linux/com.infrawrench.schist.mime.xml \
+    "$pkgdir/usr/share/mime/packages/com.infrawrench.schist.xml"
+  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}

schist/pkg.sh

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+# schist - Schist (https://github.com/Infrawrench/schist), a layered image
+# editor in Rust (gpui) with PSD and Affinity support.
+#
+# Source package: the PKGBUILD builds the release tag, following upstream's own
+# PKGBUILD in packaging/linux/aur/schist. That file names the dependencies of
+# each tag, so refresh_checksums() fails when they no longer match ours.
+#
+# Releases are tagged v<version>, and /releases/latest skips prereleases.
+
+UPSTREAM_REPO="Infrawrench/schist"
+
+# Installed in CI (pacman) before the makepkg test build: the makedepends plus
+# the libraries the build links against.
+BUILD_DEPS=(rust clang mold fontconfig freetype2 libxcb libxkbcommon
+            libxkbcommon-x11 vulkan-icd-loader wayland)
+
+latest_version() {
+  gh api "repos/$UPSTREAM_REPO/releases/latest" --jq '.tag_name' | sed 's/^v//'
+}
+
+# pkgbuild_array <name>: the words of one array in a PKGBUILD on stdin, sorted
+pkgbuild_array() {
+  awk -v n="$1" '$0 ~ "^" n "=\\(" { f = 1 } f { sub(/#.*/, ""); print } f && /\)/ { exit }' \
+    | sed "s/^$1=(//; s/).*//" | tr -s " '\"" '\n' | sed '/^$/d' | sort
+}
+
+# refresh_checksums <version> <pkgbuild-path>
+refresh_checksums() {
+  local ver="$1" pkgbuild="$2"
+  local upstream name sha
+
+  upstream="$(gh api "repos/$UPSTREAM_REPO/contents/packaging/linux/aur/schist/PKGBUILD?ref=v$ver" \
+    -H 'Accept: application/vnd.github.raw')" || return 1
+  for name in depends makedepends; do
+    if [[ "$(pkgbuild_array "$name" <<< "$upstream")" != "$(pkgbuild_array "$name" < "$pkgbuild")" ]]; then
+      echo "upstream's $name changed in v$ver, update the PKGBUILD (and BUILD_DEPS):" >&2
+      pkgbuild_array "$name" <<< "$upstream" >&2
+      return 1
+    fi
+  done
+
+  sha="$(curl -sfL "https://github.com/$UPSTREAM_REPO/archive/v$ver.tar.gz" \
+    | sha256sum | cut -d' ' -f1)"
+  if [[ "$sha" == "$(printf '' | sha256sum | cut -d' ' -f1)" ]]; then
+    echo "could not download the v$ver source tarball" >&2
+    return 1
+  fi
+
+  sed -i "s|^sha256sums=.*|sha256sums=('$sha')|" "$pkgbuild"
+}