WIP: add neovim

nvim/README.md

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+---
+title: nvim
+homepage: https://neovim.io/
+tagline: |
+  neovim: hyperextensible Vim-based text editor
+---
+
+To update or switch versions, run `webi nvim@stable` (or `@v0.7`, `@beta`, etc).
+
+### Files
+
+These are the files / directories that are created and/or modified with this
+install:
+
+```text
+~/.config/envman/PATH.env
+~/.config/nvim/init.vim
+~/.local/opt/neovim/
+```
+
+## Cheat Sheet

nvim/install.sh

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+#!/bin/sh
+
+# shellcheck disable=SC2034
+# "'pkg_cmd_name' appears unused. Verify it or export it."
+
+__init_neovim() {
+    set -e
+    set -u
+
+    ##################
+    # Install neovim #
+    ##################
+
+    # Every package should define these 6 variables
+    pkg_cmd_name="nvim"
+
+    pkg_dst_cmd="$HOME/.local/opt/neovim/bin/nvim"
+    pkg_dst_dir="$HOME/.local/opt/neovim"
+    pkg_dst="$pkg_dst_dir"
+
+    pkg_src_cmd="$HOME/.local/opt/neovim-v$WEBI_VERSION/bin/nvim"
+    pkg_src_dir="$HOME/.local/opt/neovim-v$WEBI_VERSION"
+    pkg_src="$pkg_src_dir"
+
+    # pkg_install must be defined by every package
+    pkg_install() {
+        # mv ./nvim-* ~/.local/opt/neovim-macos
+        mv ./nvim-* "${pkg_src}"
+    }
+
+    # pkg_get_current_version is recommended, but not required
+    pkg_get_current_version() {
+        # 'nvim --version' has output in this format:
+        # NVIM v0.7.2
+        # Build type: Release
+        # LuaJIT 2.1.0-beta3
+        # Compiled by [email protected]
+        #
+        # Features: +acl +iconv +tui
+        # See ":help feature-compile"
+        #
+        #    system vimrc file: "$VIM/sysinit.vim"
+        #   fall-back for $VIM: "/share/nvim"
+        #
+        # Run :checkhealth for more info
+
+        # This trims it down to just the version number:
+        #       0.7.2
+        nvim --version 2> /dev/null |
+            head -n 1 |
+            cut -d ' ' -f 2 |
+            sed 's/v//'
+    }
+
+}
+
+__init_neovim

nvim/releases.js

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+'use strict';
+
+var github = require('../_common/github.js');
+var owner = 'neovim';
+var repo = 'neovim';
+
+module.exports = function (request) {
+  return github(request, owner, repo).then(function (all) {
+    return all;
+  });
+};
+
+if (module === require.main) {
+  module.exports(require('@root/request')).then(function (all) {
+    all = require('../_webi/normalize.js')(all);
+    all.releases = all.releases.slice(0, 10);
+    //console.info(JSON.stringify(all));
+    console.info(JSON.stringify(all, null, 2));
+  });
+}