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#+TITLE: Cetus

Cetus is a simple wallpaper management tool written in Go. It supports multiple
sources for fetching the background.

| Project Home  | [[https://andinus.nand.sh/projects/cetus/][Cetus]]           |
| Source Code   | [[https://framagit.org/andinus/cetus][Andinus / Cetus]] |
| GitHub Mirror | [[https://github.com/andinus/cetus][Cetus - GitHub]]  |

*Note*: Cetus is a work in-progress & many features are yet to be implemented.

*Dependency*: [[https://feh.finalrewind.org/][feh]]

* Bing Photo of the Day
cetus-bing fetches Bing Photo of the Day.

** Features
- set BPOD as background
- fetch information on BPOD
- choose random photo
** Examples
#+BEGIN_SRC sh
# set current BPOD as background
cetus-bing

# set photo randomly
cetus-bing -random

# change api endpoint
cetus-bing -api https://www.bing.com/HPImageArchive.aspx

# don't set background, just fetch information
cetus-bing -fetch-only

# don't set background, just fetch & print only the path (useful in
# scripts)
cetus-bing -fetch-only -path-only

# don't output anything
cetus-bing -quiet

# don't set background, just fetch & don't output anything
cetus-bing -quiet -fetch-only # why would anyone do this?
#+END_SRC
* NASA Astronomy Picture of the Day
cetus-nasa uses NASA's API to get the Astronomy Picture of the Day.

*Note*: If the returned media type is not image then cetus-nasa will only print
details & not try to set background.

** Features
- set APOD as background
- fetch information on APOD
- choose custom date
- choose date randomly
** Examples
#+BEGIN_SRC sh
# set currently APOD as background
cetus-nasa

# set date randomly
cetus-nasa -random

# set 2020-01-05 APOD as background
cetus-nasa -date 2020-01-05

# 2020-03-15 APOD is a video, cetus will only print details
cetus-nasa -date 2020-03-15

# change api endpoint & api key
cetus-nasa -api https://api.nasa.gov/planetary/apod \
           -api-key DEMO_KEY

# don't set background, just fetch information
cetus-nasa -fetch-only

# don't set background, just fetch & print only the path (useful in
# scripts)
cetus-nasa -fetch-only -path-only

# don't output anything
cetus-nasa -quiet

# don't set background, just fetch & don't output anything
cetus-nasa -quiet -fetch-only # why would anyone do this?
#+END_SRC
* Demo
I just run some cetus commands on my computer, nothing fancy. I'll make better
demo videos someday.

*Note*: Cetus was restructured multiple times & these demos may not work on the
latest release.

| Version | Video                                                                |
|---------+----------------------------------------------------------------------|
| v0.4.6  | https://diode.zone/videos/watch/965bb7a4-029a-4584-a40d-241959d1aced |
| v0.4.1  | https://diode.zone/videos/watch/a52cc728-93e5-4bba-9375-752e1dba306d |
| v0.3.1  | https://diode.zone/videos/watch/0808c512-315a-4dab-9526-4a537e8c3257 |
| v0.2.0  | https://diode.zone/videos/watch/12db31e1-3517-4888-ad06-55f3859447a1 |
* Installation
** Binary
framagit.org compiles cetus for OpenBSD & GNU/Linux amd64 on every release, to
get the binary goto [[https://framagit.org/andinus/cetus/pipelines?scope=tags&page=1][Pipelines - tags]].

To get the latest binary goto [[https://framagit.org/andinus/cetus/pipelines][Pipelines]].

** From Source
#+BEGIN_SRC sh
# get master branch archive
curl -o cetus-master.tar.gz \
     https://framagit.org/andinus/cetus/-/archive/master/cetus-master.tar.gz

# extract the archive
tar -xzf cetus-master.tar.gz

# install cetus
cd cetus-master && \
    go install ./cmd/cetus-nasa && \
    go install ./cmd/cetus-bing
#+END_SRC