Hilbish/nature/runner.lua

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local currentRunner = 'hybrid'
local runners = {}
-- lsp shut up
hilbish = hilbish
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--- Get a runner by name.
--- @param name string
--- @return table
function hilbish.runner.get(name)
local r = runners[name]
if not r then
error(string.format('runner %s does not exist', name))
end
return r
end
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--- Adds a runner to the table of available runners. If runner is a table,
--- it must have the run function in it.
--- @param name string
--- @param runner function | table
function hilbish.runner.add(name, runner)
if type(name) ~= 'string' then
error 'expected runner name to be a table'
end
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if type(runner) == 'function' then
runner = {run = runner} -- this probably looks confusing
end
if type(runner) ~= 'table' then
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error 'expected runner to be a table or function'
end
if runners[name] then
error(string.format('runner %s already exists', name))
end
hilbish.runner.set(name, runner)
end
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--- Sets a runner by name. The runner table must have the run function in it.
--- @param name string
--- @param runner table
function hilbish.runner.set(name, runner)
if not runner.run or type(runner.run) ~= 'function' then
error 'run function in runner missing'
end
runners[name] = runner
end
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--- Executes cmd with a runner. If runnerName isn't passed, it uses
--- the user's current runner.
--- @param cmd string
--- @param runnerName string?
--- @return string, number, string
function hilbish.runner.exec(cmd, runnerName)
if not runnerName then runnerName = currentRunner end
local r = hilbish.runner.get(runnerName)
return r.run(cmd)
end
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--- Sets the current interactive/command line runner mode.
--- @param name string
function hilbish.runner.setCurrent(name)
local r = hilbish.runner.get(name)
currentRunner = name
hilbish.runner.setMode(r.run)
end
hilbish.runner.add('hybrid', function(input)
local cmdStr = hilbish.aliases.resolve(input)
local _, _, err = hilbish.runner.lua(cmdStr)
if not err then
return input, 0, nil
end
return hilbish.runner.sh(input)
end)
hilbish.runner.add('hybridRev', function(input)
local _, _, err = hilbish.runner.sh(input)
if not err then
return input, 0, nil
end
local cmdStr = hilbish.aliases.resolve(input)
return hilbish.runner.lua(cmdStr)
end)
hilbish.runner.add('lua', function(input)
local cmdStr = hilbish.aliases.resolve(input)
return hilbish.runner.lua(cmdStr)
end)
hilbish.runner.add('sh', function(input)
return hilbish.runner.sh(input)
end)