robur/git-kv
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Merge pull request 'last_modified: don't find_blob; find the commit!' (!10) from fix-last_modified into main

Browse source 
Reviewed-on: #10
Reviewed-by: dinosaure <romain.calascibetta@gmail.com>
This commit is contained in:
Reynir Björnsson 2024-12-20 12:11:31 +00:00
commit aec833f991
1 changed files with 30 additions and 27 deletions
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57
src/git_kv.ml
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@ -463,33 +463,36 @@ module Make (Pclock : Mirage_clock.PCLOCK) = struct
let last_modified t key = let last_modified t key =
let open Lwt.Infix in let open Lwt.Infix in
find_blob t key >>= match t.committed, t.head with
Option.fold | None, None ->
~none:(Lwt.return (Error (`Not_found key))) Lwt.return (Error (`Not_found key))
~some:(fun head -> | Some _, _ ->
Store.read_exn t.store head >|= function Lwt.return_ok
| Commit c -> (Option.fold
let author = Git_commit.author c in ~none:Ptime.epoch
let secs, tz_offset = author.Git.User.date in ~some:Fun.id (Ptime.of_float_s (Int64.to_float (now ()))))
let secs = | None, Some head ->
Option.fold ~none:secs (* See https://github.com/ocaml/ocaml/issues/9301 why we have the
~some:(fun { Git.User.sign ; hours ; minutes } -> intermediate [r] value. *)
let tz_off = Int64.(mul (add (mul (of_int hours) 60L) (of_int minutes)) 60L) in let+ r = Store.read_exn t.store head in
match sign with let[@warning "-8"] Commit c = r in
| `Plus -> Int64.(sub secs tz_off) let author = Git_commit.author c in
| `Minus -> Int64.(add secs tz_off)) let secs, tz_offset = author.Git.User.date in
tz_offset let secs =
in Option.fold ~none:secs
let ts = ~some:(fun { Git.User.sign ; hours ; minutes } ->
Option.fold let tz_off = Int64.(mul (add (mul (of_int hours) 60L) (of_int minutes)) 60L) in
~none:Ptime.epoch match sign with
~some:Fun.id (Ptime.of_float_s (Int64.to_float secs)) | `Plus -> Int64.(sub secs tz_off)
in | `Minus -> Int64.(add secs tz_off))
Ok ts tz_offset
| _ -> in
Ok (Option.fold let ts =
~none:Ptime.epoch Option.fold
~some:Fun.id (Ptime.of_float_s (Int64.to_float (now ()))))) ~none:Ptime.epoch
~some:Fun.id (Ptime.of_float_s (Int64.to_float secs))
in
Ok ts
let digest t key = let digest t key =
let open Lwt.Infix in let open Lwt.Infix in