Packages
credo
1.6.5
1.7.19
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1.6.6
1.6.5
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1.6.2
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1.4.1
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1.1.0
1.1.0-rc3
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1.1.0-rc1
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
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1.0.0
1.0.0-rc1
0.10.2
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0.9.3
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0.8.10
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0.7.4
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0.7.1
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0.6.1
0.6.0
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0.5.3
0.5.2
0.5.1
0.5.0
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0.4.10-dev
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0.4.7
0.4.6
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0.4.3
0.4.2
0.4.1
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0.4.0-beta5
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0.4.0-beta1
0.3.13
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0.3.11
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0.3.8
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0.3.4
0.3.3
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0.3.0-dev
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0.2.0
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0.1.8
0.1.7
0.1.6
0.1.5
0.1.4
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0.1.0
0.0.1-dev
A static code analysis tool with a focus on code consistency and teaching.
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lib/credo/watcher.ex
defmodule Credo.Watcher do
alias Credo.CLI.Output.UI
@default_watch_path "."
def run(argv) do
spawn(fn ->
path = get_path(argv)
UI.puts([
:bright,
:magenta,
"watch: ",
:reset,
:faint,
"Now watching for changes in '#{path}' ...\n"
])
start_watcher_process(path)
watch_loop(argv, nil)
end)
end
defp start_watcher_process(path) do
{:ok, pid} = FileSystem.start_link(dirs: [path])
FileSystem.subscribe(pid)
end
defp watch_loop(argv, exec_from_last_run) do
receive do
{:file_event, _worker_pid, {file_path, events}} ->
elixir_file? = file_path =~ ~r/\.exs?$/
in_ignored_directory? = file_path =~ ~r/\/deps\/$/
relative_path = Path.relative_to_cwd(file_path)
exec =
if Enum.member?(events, :closed) && elixir_file? && !in_ignored_directory? do
UI.puts([:bright, :magenta, "watch: ", :reset, :faint, relative_path, "\n"])
file_that_changed = Path.relative_to_cwd(relative_path)
Credo.run(exec_from_last_run || argv, [file_that_changed])
else
# data = inspect({System.os_time(:milliseconds), events, relative_path})
# UI.puts([:bright, :magenta, "changes: ", :reset, :faint, data])
exec_from_last_run
end
watch_loop(argv, exec)
end
end
defp get_path([]), do: @default_watch_path
defp get_path(argv) do
{_options, argv_rest, _errors} = OptionParser.parse(argv, strict: [watch: :boolean])
path = Enum.find(argv_rest, fn path -> File.exists?(path) or path =~ ~r/[\?\*]/ end)
path || @default_watch_path
end
end