Hint: :q!
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sudo in Windows.Please report posts and comments that break these rules!
Important: never execute code or follow advice that you don't understand or can't verify, especially here. The word of the day is credibility. This is a meme community -- even the most helpful comments might just be shitposts that can damage your system. Be aware, be smart, don't fork-bomb your computer.
The NSA, the original primary developer of SELinux, released the first version to the open source development community under the GNU GPL on December 22, 2000.[6] The software was merged into the mainline Linux kernel 2.6.0-test3, released on 8 August 2003. Other significant contributors include Red Hat, Network Associates, Secure Computing Corporation, Tresys Technology, and Trusted Computer Solutions.
Do you have more recent information by Signal on the topic? The GitHub issue you linked is actually concerned with publicly hosting APKs. They also seem to have been offering reproducible builds for a good while, though it's currently broken according to a recent issue.
I had a hard time choosing a link. Searching GitHub for "F-Droid" reveals a long convoluted back-and-forth about meeting F-Droid's requirements for reproducible builds. Signal is not, as of earlier today, listed on F-Droid.
F-Droid's reproducibility rules are meant to cut out the kind of shenanigans that would be necessary to hide a back door in the binaries.
Again, this isn't proof. But it's beyond fishy for an open source security tool.
Edit: And Signal's official statements on the topic are always reasonable - but kind of bullshit.
Reasonable in that I alwould absolutely accept that answer, if it were the first time that Signal rejected a contribution to add it to F-Droid.
Bullshit in that it's been a long time, lots of folks have volunteered to help, and Signal still isn't available on F-Droid.