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boring: new gtk-based weather and time display demo
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
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‎.github/workflows/build.yml‎

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labels: ${{ steps.meta.outputs.labels }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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build-boring-docker:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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packages: write
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steps:
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- uses: actions/checkout@v4
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Log in to Container Registry
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uses: docker/login-action@v3
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract metadata
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-boring
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tags: |
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type=raw,value=latest
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type=sha,prefix={{branch}}-
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- name: Build and push Docker image
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uses: docker/build-push-action@v5
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with:
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context: ./boring
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platforms: linux/amd64,linux/arm64
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push: true
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tags: ${{ steps.meta.outputs.tags }}
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**Docker images:**
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- `ghcr.io/${{ github.repository }}:latest` (classic demo)
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- `ghcr.io/${{ github.repository }}-boring:latest` (boring weather display)
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Built from commit: ${{ github.sha }}
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artifacts: "artifacts/**/*.AppImage"

‎Makefile‎

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SUBDIRS = classic boring
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all clean:
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@for dir in $(SUBDIRS); do \
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if [ -d "$$dir" ]; then \
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$(MAKE) -C $$dir $@ || exit 1; \
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fi; \
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done
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.PHONY: all clean

‎README.md‎

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# Infix Demo Collection
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Two demo applications for trade shows, exhibitions, and kiosk displays.
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## Demos
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### [Classic](classic/README.md) -- Oldschool Demoscene
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A classic demoscene-style demo with multiple visual effects, text scrollers,
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and tracker music. Built with SDL2 and inspired by 1990s Amiga/PC demos.
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### [Boring](boring/README.md) -- Weather & Time Display
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A GTK-based weather and time display with animated backgrounds. Touch
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anywhere to temporarily show a configurable web page (e.g., a dashboard),
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then automatically return to the weather view.
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## Quick Start
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```bash
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# Build everything
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make
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# Or build individually
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make -C classic
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make -C boring
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# Run with Docker Compose
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docker compose up classic
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docker compose up boring
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```
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## License
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MIT License -- See [LICENSE](LICENSE) for details.

‎boring/.gitignore‎

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boring

‎boring/Dockerfile‎

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# Build stage
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FROM debian:bookworm-slim AS builder
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RUN apt-get update && apt-get install -y --no-install-recommends \
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gcc \
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make \
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pkg-config \
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libgtk-3-dev \
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libwebkit2gtk-4.1-dev \
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libsoup-3.0-dev \
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libcjson-dev \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /build
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COPY boring.c weather.c weather.h animations.c animations.h \
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sunriset.c sunriset.h Makefile ./
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RUN make
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# Runtime stage
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FROM debian:bookworm-slim
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RUN apt-get update && apt-get install -y --no-install-recommends \
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libgtk-3-0 \
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libwebkit2gtk-4.1-0 \
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libsoup-3.0-0 \
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libcjson1 \
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ca-certificates \
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xorg \
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xinit \
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dbus-x11 \
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x11-xserver-utils \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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COPY --from=builder /build/boring .
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COPY xorg.conf /etc/X11/xorg.conf
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COPY start.sh /app/start.sh
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ENV DISPLAY=:0
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CMD ["/app/start.sh", "-f"]

‎boring/Makefile‎

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gtk_CFLAGS = $(shell pkg-config --cflags gtk+-3.0 webkit2gtk-4.1 libsoup-3.0 libcjson)
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gtk_LIBS = $(shell pkg-config --libs gtk+-3.0 webkit2gtk-4.1 libsoup-3.0 libcjson)
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CFLAGS = $(gtk_CFLAGS) -DSUNRISET_LIB -Wall -O2
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LDLIBS = $(gtk_LIBS) -lm
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TARGET = boring
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SOURCES = boring.c weather.c animations.c sunriset.c
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all: $(TARGET)
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$(TARGET): $(SOURCES) weather.h animations.h sunriset.h
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$(CC) $(CFLAGS) -o $(TARGET) $(SOURCES) $(LDLIBS)
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run: $(TARGET)
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./$(TARGET)
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clean:
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rm -f $(TARGET)
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docker-build:
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docker build -t demo-boring .
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docker-run: docker-build
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xhost +local:docker
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docker run -it --rm \
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-e DISPLAY=$(DISPLAY) \
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-v /tmp/.X11-unix:/tmp/.X11-unix \
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demo-boring
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.PHONY: all clean run docker-build docker-run

‎boring/README.md‎

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# Boring -- Weather & Time Display
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A GTK-based weather and time display with animated Cairo backgrounds.
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Touch anywhere to temporarily show a configurable web page (e.g., a
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dashboard), then automatically return to the weather view after 30
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seconds.
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## Features
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- Live weather from [Open-Meteo](https://open-meteo.com/) (no API key needed)
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- Animated backgrounds: sky gradient, sun, clouds, rain, snow
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- Sunrise/sunset times
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- Touch/click to show a web page (WebKitGTK), auto-returns after 30s
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- Fullscreen kiosk mode
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## Quick Start
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### Build and Run
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```bash
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sudo apt install libgtk-3-dev libwebkit2gtk-4.1-dev libsoup-3.0-dev libcjson-dev
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make
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./boring --lat 59.33 --lon 18.07 -f
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```
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### Run with Docker
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```bash
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docker compose up boring
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```
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Or standalone:
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```bash
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docker run --rm -it \
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--privileged \
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-v /dev/fb0:/dev/fb0 \
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-v /dev/tty1:/dev/tty1 \
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-e LATITUDE=59.33 \
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-e LONGITUDE=18.07 \
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-e WEB_URL=https://example.com \
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ghcr.io/kernelkit/demo-boring:latest
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```
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## Command-Line Options
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```
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Usage: boring [OPTIONS]
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-f, --fullscreen Run in fullscreen mode
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--lat LATITUDE Latitude for weather (default: 59.3293)
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--lon LONGITUDE Longitude for weather (default: 18.0686)
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--url URL Web page URL shown on touch/click
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```
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Environment variables `LATITUDE`, `LONGITUDE`, and `WEB_URL` are used
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as fallbacks when command-line options are not given.
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## Dependencies
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| Library | Package (Debian/Ubuntu) | Purpose |
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|----------------|----------------------------|----------------------|
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| GTK 3 | `libgtk-3-dev` | GUI framework |
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| WebKitGTK 4.1 | `libwebkit2gtk-4.1-dev` | Embedded web view |
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| libsoup 3.0 | `libsoup-3.0-dev` | HTTP client |
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| cJSON | `libcjson-dev` | JSON parsing |
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## Vendored Code
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The following files are vendored (copied into this repository) to avoid
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external build-time dependencies on libraries not commonly packaged:
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| Files | Origin | License |
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|--------------------------|------------------------------------------------------------------------|--------------|
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| `sunriset.c`, `sunriset.h` | [troglobit/sun](https://github.com/troglobit/sun) by Paul Schlyter | Public domain |
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Originally written as DAYLEN.C (1989) by Paul Schlyter, modified to
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SUNRISET.C (1992), split into header by Joachim Nilsson (2017).
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Released to the public domain by Paul Schlyter, December 1992.
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## License
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MIT License -- See [../LICENSE](../LICENSE) for details.

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