package datakit-ci

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Live Logs

type manager

The type for live-log manager.

type t

The type for live-logs.

val create : ?switch:Lwt_switch.t -> pending:string -> branch:string -> title:string -> manager -> t

create ~pending ~branch ~title manager is a fresh, empty log with pending reason pending. It is an error to have two live logs on the same branch at the same time (finish the other one first).

val finish : t -> unit

finish t prevents any further changes and notifies anyone waiting on pending.

val write : t -> string -> unit

write t msg appends msg to the log.

val printf : t -> ('a, Format.formatter, unit, unit) Pervasives.format4 -> 'a

printf t fmt appends a formatted message to the log.

val log : t -> ('a, Format.formatter, unit, unit) Pervasives.format4 -> 'a

log t fmt appends a formatted message to the log, with a newline added at the end.

val heading : t -> ('a, Format.formatter, unit, unit) Pervasives.format4 -> 'a

heading t fmt appends a formatted message to the log as a heading.

val with_pending_reason : t -> string -> (unit -> 'a Lwt.t) -> 'a Lwt.t

with_pending_reason t msg fn calls fn (). If it gets a sleeping thread, then it pushes msg onto the pending-reason stack, waits for the thread to finish, and then removes the pending message.

val enter_with_pending_reason : t -> string -> (('a -> 'b Lwt.t) -> 'b Lwt.t) -> ('a -> 'b Lwt.t) -> 'b Lwt.t

enter_with_pending_reason t msg use fn is like use fn, but posts msg as the pending reason until fn is called (or use fails). This is useful to give a pending reason while getting a mutex or pool resource.

val contents : t -> string

contents t is the current contents of the buffer.

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