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#+title : lohr
=lohr= is a Git mirroring tool.
I created it to solve a simple problem I had: I host my own git server at
[[https://git.alarsyo.net ]], but want to mirror my public projects to GitHub /
GitLab, for backup and visibility purposes.
GitLab has a mirroring setting, but it doesn't allow for multiple mirrors, as
far as I know. I also wanted my instance to be the single source of truth.
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** How it works
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Gitea is setup to send webhooks to my =lohr= server on every push update. When
=lohr= receives a push, it clones the concerned repository, or updates it if
already cloned. Then it pushes the update to *all remotes listed* in the [[file:.lohr ][.lohr ]]
file at the repo root.
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*** Destructive
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This is a very destructive process: anything removed from the single source of
truth is effectively removed from any mirror as well.
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** Contributing
I accept patches anywhere! Feel free to [[https://github.com/alarsyo/lohr/pulls ][open a GitHub Pull Request ]], [[https://gitlab.com/alarsyo/lohr/ -/merge_requests][a GitLab
Merge Request]], or [[https://lists.sr.ht/~alarsyo/lohr-dev ][send me a patch by email ]]!
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** Why lohr?
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I was looking for a cool name, and thought about the Magic Mirror in Snow White.
Some *[[https://en.wikipedia.org/wiki/Magic_Mirror_(Snow_White)][furious wikipedia searching]]* later, I found that the Magic Mirror was
probably inspired by [[http://spessartmuseum.de/seiten/schneewittchen_engl.html ][the Talking Mirror in Lohr am Main ]]. That's it, that's the
story.
