initial commit

README.md

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+# Polycat build
+
+- Builds polycat and places it in `$COMPILED_DIR/polycat/polycat.tar.zst`
+- Version file at `$COMPILED_DIR/polycat/version`
+
+## Archive details
+
+```
+.
+├── polycat
+└── polycat.ttf
+```
+
+Recommended:
+
+| File            | Location                               | Permissions |
+| --------------- | -------------------------------------- | ----------- |
+| `./polycat`     | `/usr/bin/polycat`                     | 755         |
+| `./polycat.ttf` | `/usr/share/fonts/polycat/polycat.ttf` | 644         |

compilation.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# prep
+dnf install git cmake g++ -y
+workdir=$(mktemp -d)
+built_dir=${COMPILED_DIR:-/compiled}/polycat
+mkdir -p $built_dir
+version_file=$built_dir/version
+touch $version_file
+
+# clone and check whether it's up-to-date
+cd $workdir
+git clone --recursive https://github.com/2IMT/polycat.git --depth 1 --shallow-submodules
+cd ./polycat/
+# check version
+version=$(printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short=7 HEAD)")
+if grep -q $version $version_file; then
+    echo "already up to date, exiting"
+    exit
+fi
+
+# compilation
+cd $workdir/polycat/
+cmake -DCMAKE_BUILD_TYPE=RELEASE .
+cmake --build .
+
+# build .tar.zst archive
+cd $workdir
+mkdir ./polycat-built
+mv ./polycat/polycat ./polycat-built/
+mv ./polycat/res/polycat.ttf ./polycat-built/
+mkdir -p ${COMPILED_DIR:-/compiled}/polycat/
+cd $workdir/polycat-built/
+tar --zstd -cf $built_dir/polycat.tar.zst .
+echo $version >$version_file
+
+echo "polycat updated to $version"