63 lines
1.7 KiB
Lua
63 lines
1.7 KiB
Lua
local Meta = require "cave.meta"
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local Util = require "cave.util"
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local Context = require "cave.context"
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local ClassLogger = require "cave.log.class_logger"
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local validate = Meta.validate
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local Optional = Meta.Optional
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---@class cave.Env
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---@field vars table<string, string>
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---@field on_update_cbs function[]
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local Env = Meta.derive "Env"
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Env.log = ClassLogger.new(Env)
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---@param context cave.Context?
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---@return cave.Env
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function Env:new(context)
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local env = setmetatable({}, Env)
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env.vars = {}
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local dir, name, uuid
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if context then
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dir, name, uuid = tostring(context.dir), context.name, context.uuid
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else
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dir, name, uuid = nil, nil, nil
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end
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vim.fn.setenv("NVIM_PROJECT_DIR", dir)
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vim.fn.setenv("NVIM_PROJECT_NAME", name)
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vim.fn.setenv("NVIM_PROJECT_UUID", uuid)
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for _, entry in ipairs(vim.fn.systemlist("nvim_env")) do
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local split_idx = entry:find "="
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assert(split_idx ~= nil)
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env.vars[entry:sub(1, split_idx - 1)] = entry:sub(split_idx + 1, -1)
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end
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return env
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end
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---@param context cave.Context?
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function Env:update(context)
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validate { context = { context, Optional(Context) } }
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local log = Env.log:call("%s", context)
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local new_env = Env:new(context)
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local env_var_diff = Util.tbl_diff(self.vars, new_env.vars)
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for name, value in pairs(env_var_diff.added) do
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vim.fn.setenv(name, value)
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end
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for name, values in pairs(env_var_diff.modified) do
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vim.fn.setenv(name, values.new)
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end
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for name, _ in pairs(env_var_diff.removed) do
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vim.fn.setenv(name, nil)
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end
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self.vars = new_env.vars
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-- vim.g.python3_host_prog = get_python3_host_prog()
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log:ok("environment variables changed:\n%s", vim.inspect(env_var_diff))
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end
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return Env
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