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Diffstat (limited to 'doc/todo/integrate_shell-monad')
6 files changed, 103 insertions, 0 deletions
diff --git a/doc/todo/integrate_shell-monad/comment_1_202c24d0a757d5086f65721fc2779131._comment b/doc/todo/integrate_shell-monad/comment_1_202c24d0a757d5086f65721fc2779131._comment new file mode 100644 index 00000000..bfa5e3b1 --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_1_202c24d0a757d5086f65721fc2779131._comment @@ -0,0 +1,11 @@ +[[!comment format=mdwn + username="gueux" + subject="comment 1" + date="2016-06-13T17:31:37Z" + content=""" +How would you see the integration of shell-monad or turtle? + +Do you have a preference? + +I actually use turtle and it is great! It may be more complete than shell-monad which may be an advantage or a disadvantage... +"""]] diff --git a/doc/todo/integrate_shell-monad/comment_2_4e82a5994b4647b4483c92c7785ee905._comment b/doc/todo/integrate_shell-monad/comment_2_4e82a5994b4647b4483c92c7785ee905._comment new file mode 100644 index 00000000..0779c49f --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_2_4e82a5994b4647b4483c92c7785ee905._comment @@ -0,0 +1,39 @@ +[[!comment format=mdwn + username="joey" + subject="""comment 2""" + date="2016-06-13T20:23:37Z" + content=""" +One easy way would be something like: + + shellMonadProperty :: Control.Monad.Shell.Script Result -> Property UnixLike + +But, I don't know if that would really be useful. The better use case for +shell-monad seems to be where things like `userScriptProperty` take a +`Script`, that is currently an alias for `String`. Since shell-monad can +generate a shell script, it would be easy to write: + + shellMonad :: Control.Monad.Shell.Script () -> Script + +Or, perhaps change userScriptProperty to accept either a stringy-Script or +a shell monad Script, via a type class. Then it could be used like this: + + userScriptProperty (User "joey") $ do + cmd "echo" "hello" + cmd "rm" "/home/joey/something" + +Turtle seems to not have its own monad but simply uses MonadIO. So seems +you can use Turtle in the implementation of propellor properties the same as +other IO actions. Which is great, it should be easy to use it if you want +to. Something like: + + import Turtle.Prelude + + myProperty :: Property UnixLike + myProperty = property "my property using turtle" $ liftIO $ do + echo "hello" + rm "/something" + return NoChange + +But I don't think turtle can generate shell scripts like used by +`userScriptProperty`. +"""]] diff --git a/doc/todo/integrate_shell-monad/comment_3_155d4af99bbbd8681a9924198aa7da73._comment b/doc/todo/integrate_shell-monad/comment_3_155d4af99bbbd8681a9924198aa7da73._comment new file mode 100644 index 00000000..48d25d7f --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_3_155d4af99bbbd8681a9924198aa7da73._comment @@ -0,0 +1,11 @@ +[[!comment format=mdwn + username="gueux" + subject="comment 3" + date="2016-06-14T10:56:04Z" + content=""" +I've posted a question on https://github.com/Gabriel439/Haskell-Turtle-Library/issues/157 + +Probably Gabriel will have a good idea for this :-). Maybe another solution would be to generate executables instead of shell scripts? + + +"""]] diff --git a/doc/todo/integrate_shell-monad/comment_4_4914d37a548e1a19733156fbd77142a6._comment b/doc/todo/integrate_shell-monad/comment_4_4914d37a548e1a19733156fbd77142a6._comment new file mode 100644 index 00000000..77f30917 --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_4_4914d37a548e1a19733156fbd77142a6._comment @@ -0,0 +1,20 @@ +[[!comment format=mdwn + username="joey" + subject="""comment 4""" + date="2016-06-14T17:11:09Z" + content=""" +We already have /usr/local/bin/propellor executable, so the cron job or +whatever could be made to run it with a parameter that runs the turtle IO +action. (Or generally, any IO action.. Being able to run arbitrary haskell +IO code as a cron job would be great!) + +This would need some way to get a `UniqueId` for an IO action, that is +stable across runs of propellor, and a way to build up a` Map UniqueId (IO ())` of such +actions. The Info interface could be used to build up that Map. + +---- + +Some of the places I'd like to use shell-monad though are where propellor +is bootstrapping itself on a host and all it can easily run at that point +is shell script. +"""]] diff --git a/doc/todo/integrate_shell-monad/comment_5_315c81503d6aea67b2b762ff3e435445._comment b/doc/todo/integrate_shell-monad/comment_5_315c81503d6aea67b2b762ff3e435445._comment new file mode 100644 index 00000000..9c185bd2 --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_5_315c81503d6aea67b2b762ff3e435445._comment @@ -0,0 +1,9 @@ +[[!comment format=mdwn + username="gueux" + subject="comment 5" + date="2016-06-15T10:41:53Z" + content=""" +That would be over cool! :-) + +I don't see how to create these UniqueIds, though. I'm not sure I could help a lot on this one (at least before we have a first prototype)... +"""]] diff --git a/doc/todo/integrate_shell-monad/comment_6_d0328983a68958a914bd9fc9fe5a3abe/comment_1_f42f2893433c312821d8d47f84cb5c43._comment b/doc/todo/integrate_shell-monad/comment_6_d0328983a68958a914bd9fc9fe5a3abe/comment_1_f42f2893433c312821d8d47f84cb5c43._comment new file mode 100644 index 00000000..8ba13e99 --- /dev/null +++ b/doc/todo/integrate_shell-monad/comment_6_d0328983a68958a914bd9fc9fe5a3abe/comment_1_f42f2893433c312821d8d47f84cb5c43._comment @@ -0,0 +1,13 @@ +[[!comment format=mdwn + username="joey" + subject="""comment 1""" + date="2016-06-16T21:04:55Z" + content=""" +Could use a tuple of a Data.Unique for the current build of propellor, +and a propellor build ID (eg, git rev that was built). + +That would make sure that propellor runs the correct IO action. +But, when propellor is updated, any cron jobs etc that try to run +with the old UniqueId would fail. Unless the old propellor binary +could be cached away and used as a fallback, I suppose.. +"""]] |