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use subcommands in plugin updaters (#223164)

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* update.py: introduce subparsers for plugin updaters

This is preliminary work to help create more powerful plugin updaters.
Namely I would like to be able to "just add" plugins without refreshing
the older ones (helpful when github temporarily removes a user from
github due to automated bot detection).

Also concerning the lua updater, we pin some of the dependencies, and I
would like to be able to unpin the package without editing the csv
(coming in later PRs).

* doc/updaters: update command to update editor plugins

including vim, kakoune and lua packages

Co-authored-by: figsoda
This commit is contained in:
Matthieu Coudron 2023-04-14 22:02:17 +02:00 committed by GitHub
parent 1cb472891d
commit 351cec5db3
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7 changed files with 150 additions and 89 deletions
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15
doc/languages-frameworks/lua.section.md
View file

@ -129,16 +129,21 @@ Let's present the luarocks way first and the manual one in a second time.
### Packaging a library on luarocks {#packaging-a-library-on-luarocks}
[Luarocks.org](https://luarocks.org/) is the main repository of lua packages.
The site proposes two types of packages, the rockspec and the src.rock
The site proposes two types of packages, the `rockspec` and the `src.rock`
(equivalent of a [rockspec](https://github.com/luarocks/luarocks/wiki/Rockspec-format) but with the source).
These packages can have different build types such as `cmake`, `builtin` etc .
Luarocks-based packages are generated in pkgs/development/lua-modules/generated-packages.nix from
the whitelist maintainers/scripts/luarocks-packages.csv and updated by running maintainers/scripts/update-luarocks-packages.
Luarocks-based packages are generated in [pkgs/development/lua-modules/generated-packages.nix](https://github.com/NixOS/nixpkgs/tree/master/pkgs/development/lua-modules/generated-packages.nix) from
the whitelist maintainers/scripts/luarocks-packages.csv and updated by running
the script
[maintainers/scripts/update-luarocks-packages](https://github.com/NixOS/nixpkgs/tree/master/maintainers/scripts/update-luarocks-packages):
```sh
./maintainers/scripts/update-luarocks-packages update
```
[luarocks2nix](https://github.com/nix-community/luarocks) is a tool capable of generating nix derivations from both rockspec and src.rock (and favors the src.rock).
The automation only goes so far though and some packages need to be customized.
These customizations go in `pkgs/development/lua-modules/overrides.nix`.
These customizations go in [pkgs/development/lua-modules/overrides.nix](https://github.com/NixOS/nixpkgs/tree/master/pkgs/development/lua-modules/overrides.nix).
For instance if the rockspec defines `external_dependencies`, these need to be manually added to the overrides.nix.
You can try converting luarocks packages to nix packages with the command `nix-shell -p luarocks-nix` and then `luarocks nix PKG_NAME`.

4
doc/languages-frameworks/vim.section.md
View file

@ -212,7 +212,7 @@ Note: this is not possible anymore for Neovim.
## Adding new plugins to nixpkgs {#adding-new-plugins-to-nixpkgs}
Nix expressions for Vim plugins are stored in [pkgs/applications/editors/vim/plugins](https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/editors/vim/plugins). For the vast majority of plugins, Nix expressions are automatically generated by running [`./update.py`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/update.py). This creates a [generated.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/generated.nix) file based on the plugins listed in [vim-plugin-names](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/vim-plugin-names). Plugins are listed in alphabetical order in `vim-plugin-names` using the format `[github username]/[repository]@[gitref]`. For example https://github.com/scrooloose/nerdtree becomes `scrooloose/nerdtree`.
Nix expressions for Vim plugins are stored in [pkgs/applications/editors/vim/plugins](https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/editors/vim/plugins). For the vast majority of plugins, Nix expressions are automatically generated by running [`./update.py`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/update.py). This creates a [generated.nix](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/generated.nix) file based on the plugins listed in [vim-plugin-names](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/vim-plugin-names).
After running `./update.py`, if nvim-treesitter received an update, also run [`nvim-treesitter/update.py`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/editors/vim/plugins/update.py) to update the tree sitter grammars for `nvim-treesitter`.
@ -226,7 +226,7 @@ deoplete-fish = super.deoplete-fish.overrideAttrs(old: {
Sometimes plugins require an override that must be changed when the plugin is updated. This can cause issues when Vim plugins are auto-updated but the associated override isn't updated. For these plugins, the override should be written so that it specifies all information required to install the plugin, and running `./update.py` doesn't change the derivation for the plugin. Manually updating the override is required to update these types of plugins. An example of such a plugin is `LanguageClient-neovim`.
To add a new plugin, run `./update.py --add "[owner]/[name]"`. **NOTE**: This script automatically commits to your git repository. Be sure to check out a fresh branch before running.
To add a new plugin, run `./update.py add "[owner]/[name]"`. **NOTE**: This script automatically commits to your git repository. Be sure to check out a fresh branch before running.
Finally, there are some plugins that are also packaged in nodePackages because they have Javascript-related build steps, such as running webpack. Those plugins are not listed in `vim-plugin-names` or managed by `update.py` at all, and are included separately in `overrides.nix`. Currently, all these plugins are related to the `coc.nvim` ecosystem of the Language Server Protocol integration with Vim/Neovim.

123
maintainers/scripts/pluginupdate.py
View file

@ -1,4 +1,7 @@
# Used by pkgs/applications/editors/vim/plugins/update.py and pkgs/applications/editors/kakoune/plugins/update.py
# python library used to update plugins:
# - pkgs/applications/editors/vim/plugins/update.py
# - pkgs/applications/editors/kakoune/plugins/update.py
# - maintainers/scripts/update-luarocks-packages
# format:
# $ nix run nixpkgs.python3Packages.black -c black update.py
@ -315,7 +318,7 @@ def run_nix_expr(expr):
with CleanEnvironment():
cmd = ["nix", "eval", "--extra-experimental-features",
"nix-command", "--impure", "--json", "--expr", expr]
log.debug("Running command %s", cmd)
log.debug("Running command %s", " ".join(cmd))
out = subprocess.check_output(cmd)
data = json.loads(out)
return data
@ -344,12 +347,39 @@ class Editor:
self.cache_file = cache_file or f"{name}-plugin-cache.json"
self.nixpkgs_repo = None
def add(self, args):
'''CSV spec'''
log.debug("called the 'add' command")
fetch_config = FetchConfig(args.proc, args.github_token)
editor = self
for plugin_line in args.add_plugins:
log.debug("using plugin_line", plugin_line)
pdesc = PluginDesc.load_from_string(fetch_config, plugin_line)
log.debug("loaded as pdesc", pdesc)
append = [ pdesc ]
editor.rewrite_input(fetch_config, args.input_file, editor.deprecated, append=append)
plugin, _ = prefetch_plugin(pdesc, )
autocommit = not args.no_commit
if autocommit:
commit(
editor.nixpkgs_repo,
"{drv_name}: init at {version}".format(
drv_name=editor.get_drv_name(plugin.normalized_name),
version=plugin.version
),
[args.outfile, args.input_file],
)
# Expects arguments generated by 'update' subparser
def update(self, args ):
'''CSV spec'''
print("the update member function should be overriden in subclasses")
def get_current_plugins(self) -> List[Plugin]:
"""To fill the cache"""
data = run_nix_expr(self.get_plugins)
plugins = []
for name, attr in data.items():
print("get_current_plugins: name %s" % name)
p = Plugin(name, attr["rev"], attr["submodules"], attr["sha256"])
plugins.append(p)
return plugins
@ -358,7 +388,7 @@ class Editor:
'''CSV spec'''
return load_plugins_from_csv(config, plugin_file)
def generate_nix(self, plugins, outfile: str):
def generate_nix(self, _plugins, _outfile: str):
'''Returns nothing for now, writes directly to outfile'''
raise NotImplementedError()
@ -395,34 +425,28 @@ class Editor:
return rewrite_input(*args, **kwargs)
def create_parser(self):
parser = argparse.ArgumentParser(
common = argparse.ArgumentParser(
add_help=False,
description=(f"""
Updates nix derivations for {self.name} plugins.\n
By default from {self.default_in} to {self.default_out}"""
)
)
parser.add_argument(
"--add",
dest="add_plugins",
default=[],
action="append",
help=f"Plugin to add to {self.attr_path} from Github in the form owner/repo",
)
parser.add_argument(
common.add_argument(
"--input-names",
"-i",
dest="input_file",
default=self.default_in,
help="A list of plugins in the form owner/repo",
)
parser.add_argument(
common.add_argument(
"--out",
"-o",
dest="outfile",
default=self.default_out,
help="Filename to save generated nix code",
)
parser.add_argument(
common.add_argument(
"--proc",
"-p",
dest="proc",
@ -430,7 +454,7 @@ class Editor:
default=30,
help="Number of concurrent processes to spawn. Setting --github-token allows higher values.",
)
parser.add_argument(
common.add_argument(
"--github-token",
"-t",
type=str,
@ -438,16 +462,61 @@ class Editor:
help="""Allows to set --proc to higher values.
Uses GITHUB_API_TOKEN environment variables as the default value.""",
)
parser.add_argument(
common.add_argument(
"--no-commit", "-n", action="store_true", default=False,
help="Whether to autocommit changes"
)
parser.add_argument(
common.add_argument(
"--debug", "-d", choices=LOG_LEVELS.keys(),
default=logging.getLevelName(logging.WARN),
help="Adjust log level"
)
return parser
main = argparse.ArgumentParser(
parents=[common],
description=(f"""
Updates nix derivations for {self.name} plugins.\n
By default from {self.default_in} to {self.default_out}"""
)
)
subparsers = main.add_subparsers(dest="command", required=False)
padd = subparsers.add_parser(
"add", parents=[],
description="Add new plugin",
add_help=False,
)
padd.set_defaults(func=self.add)
padd.add_argument(
"add_plugins",
default=None,
nargs="+",
help=f"Plugin to add to {self.attr_path} from Github in the form owner/repo",
)
pupdate = subparsers.add_parser(
"update",
description="Update all or a subset of existing plugins",
add_help=False,
)
pupdate.set_defaults(func=self.update)
return main
def run(self,):
'''
Convenience function
'''
parser = self.create_parser()
args = parser.parse_args()
command = args.command or "update"
log.setLevel(LOG_LEVELS[args.debug])
log.info("Chose to run command: %s", command)
if not args.no_commit:
self.nixpkgs_repo = git.Repo(self.root, search_parent_directories=True)
getattr(self, command)(args)
@ -661,7 +730,6 @@ def commit(repo: git.Repo, message: str, files: List[Path]) -> None:
def update_plugins(editor: Editor, args):
"""The main entry function of this module. All input arguments are grouped in the `Editor`."""
log.setLevel(LOG_LEVELS[args.debug])
log.info("Start updating plugins")
fetch_config = FetchConfig(args.proc, args.github_token)
update = editor.get_update(args.input_file, args.outfile, fetch_config)
@ -684,18 +752,3 @@ def update_plugins(editor: Editor, args):
[args.outfile, args.input_file, editor.deprecated],
)
for plugin_line in args.add_plugins:
pdesc = PluginDesc.load_from_string(fetch_config, plugin_line)
append = [ pdesc ]
editor.rewrite_input(fetch_config, args.input_file, editor.deprecated, append=append)
update()
plugin, _ = prefetch_plugin(pdesc, )
if autocommit:
commit(
editor.nixpkgs_repo,
"{drv_name}: init at {version}".format(
drv_name=editor.get_drv_name(plugin.normalized_name),
version=plugin.version
),
[args.outfile, args.input_file],
)

6
maintainers/scripts/update-luarocks-packages
View file

@ -203,11 +203,7 @@ def main():
default_out = ROOT.joinpath(GENERATED_NIXFILE)
)
parser = editor.create_parser()
args = parser.parse_args()
update_plugins(editor, args)
editor.run()
if __name__ == "__main__":

5
pkgs/applications/editors/kakoune/plugins/update.py
View file

@ -81,10 +81,7 @@ in lib.fix' (lib.extends overrides packages)
def main():
editor = KakouneEditor("kakoune", ROOT, GET_PLUGINS)
parser = editor.create_parser()
args = parser.parse_args()
pluginupdate.update_plugins(editor, args)
editor.run()
if __name__ == "__main__":

19
pkgs/applications/editors/vim/plugins/get-plugins.nix Normal file
View file

@ -0,0 +1,19 @@
with import <localpkgs> {};
let
inherit (vimUtils.override {inherit vim;}) buildVimPluginFrom2Nix;
inherit (neovimUtils) buildNeovimPluginFrom2Nix;
generated = callPackage <localpkgs/pkgs/applications/editors/vim/plugins/generated.nix> {
inherit buildNeovimPluginFrom2Nix buildVimPluginFrom2Nix;
} {} {};
hasChecksum = value:
lib.isAttrs value && lib.hasAttrByPath ["src" "outputHash"] value;
getChecksum = name: value:
if hasChecksum value then {
submodules = value.src.fetchSubmodules or false;
sha256 = value.src.outputHash;
rev = value.src.rev;
} else null;
checksums = lib.mapAttrs getChecksum generated;
in
lib.filterAttrs (n: v: v != null) checksums

47
pkgs/applications/editors/vim/plugins/update.py
View file

@ -42,28 +42,14 @@ sys.path.insert(0, os.path.join(ROOT.parent.parent.parent.parent.parent, "mainta
import pluginupdate
from pluginupdate import run_nix_expr, PluginDesc
GET_PLUGINS = f"""(with import <localpkgs> {{}};
let
inherit (vimUtils.override {{inherit vim;}}) buildNeovimPluginFrom2Nix buildVimPluginFrom2Nix;
generated = callPackage {ROOT}/generated.nix {{
inherit buildNeovimPluginFrom2Nix buildVimPluginFrom2Nix;
}};
hasChecksum = value: lib.isAttrs value && lib.hasAttrByPath ["src" "outputHash"] value;
getChecksum = name: value:
if hasChecksum value then {{
submodules = value.src.fetchSubmodules or false;
sha256 = value.src.outputHash;
rev = value.src.rev;
}} else null;
checksums = lib.mapAttrs getChecksum generated;
in lib.filterAttrs (n: v: v != null) checksums)"""
GET_PLUGINS_LUA = """
with import <localpkgs> {};
lib.attrNames lua51Packages"""
HEADER = (
"# This file has been generated by ./pkgs/applications/editors/vim/plugins/update.py. Do not edit!"
"# GENERATED by ./pkgs/applications/editors/vim/plugins/update.py. Do not edit!"
)
def isNeovimPlugin(plug: pluginupdate.Plugin) -> bool:
@ -118,26 +104,20 @@ class VimEditor(pluginupdate.Editor):
""".format(
buildFn="buildNeovimPluginFrom2Nix" if isNeovim else "buildVimPluginFrom2Nix", plugin=plugin, src_nix=src_nix, repo=repo)
print(content)
log.debug(content)
return content
def main():
global luaPlugins
luaPlugins = run_nix_expr(GET_PLUGINS_LUA)
def update(self, args):
pluginupdate.update_plugins(self, args)
editor = VimEditor("vim", ROOT, GET_PLUGINS)
parser = editor.create_parser()
args = parser.parse_args()
pluginupdate.update_plugins(editor, args)
if editor.nvim_treesitter_updated:
if self.nvim_treesitter_updated:
print("updating nvim-treesitter grammars")
nvim_treesitter_dir = ROOT.joinpath("nvim-treesitter")
subprocess.check_call([nvim_treesitter_dir.joinpath("update.py")])
if editor.nixpkgs_repo:
index = editor.nixpkgs_repo.index
if self.nixpkgs_repo:
index = self.nixpkgs_repo.index
for diff in index.diff(None):
if diff.a_path == "pkgs/applications/editors/vim/plugins/nvim-treesitter/generated.nix":
msg = "vimPlugins.nvim-treesitter: update grammars"
@ -148,5 +128,16 @@ def main():
print("no updates to nvim-treesitter grammars")
def main():
global luaPlugins
luaPlugins = run_nix_expr(GET_PLUGINS_LUA)
with open(f"{ROOT}/get-plugins.nix") as f:
GET_PLUGINS = f.read()
editor = VimEditor("vim", ROOT, GET_PLUGINS)
editor.run()
if __name__ == "__main__":
main()