ryantm/nixpkgs-update
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add instructions for using nix-update

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Ryan Mulligan 2018-02-26 06:26:20 -08:00
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README.md
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# nix-update
1. get a list of oudated packages
```
git clone https://github.com/ryantm/repology-api.git
cabal2nix --shell --hpack . > shell.nix && nix-build shell.nix && result/bin/repology-api > packages-to-update.txt
```
2. Prepare a nixpkgs git repository where you want to do the updates. It expects origin to be where you want to push your updates. It clobbers any changes in that directory with `git reset --hard`. USE THIS ON A NEWLY CLONED REPO ONLY FOR THIS PURPOSE.
3. copy list of ones you want to update into `ups.sh` ARGUMENTS variable
4. Be in the directory of your update git repository. run `ups.sh` if it succeeds, it will make commits and push updates to the origin remote!
# old notes
git ls-remote --refs --tags git://github.com/mattermost/mattermost-server.git | grep -v "rc" | tail -1
nix-instantiate -I nixpkgs=/home/ryantm/p/nixpkgs --eval --expr 'let pkgs = import <nixpkgs> {}; in builtins.elemAt pkgs.mattermost.src.urls 0'