88 lines
2.6 KiB
OCaml
88 lines
2.6 KiB
OCaml
let new_version = 10L and old_version = 9L
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let identifier = "2021-06-30"
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let migrate_doc = "add readme.md tag"
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let rollback_doc = "remove readme.md tag"
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let jobs =
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Caqti_request.collect
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Caqti_type.unit
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Builder_db.Rep.id
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"SELECT id FROM job"
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let latest_successful_build =
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Caqti_request.find
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Builder_db.Rep.id
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Builder_db.Rep.id
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{| SELECT b.id
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FROM build b
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WHERE b.job = ? AND b.result_kind = 0 AND b.result_code = 0
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ORDER BY b.start_d DESC, b.start_ps DESC
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LIMIT 1
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|}
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let build_artifacts =
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Caqti_request.collect
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Builder_db.Rep.id
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Caqti_type.(tup2 Builder_db.Rep.fpath Builder_db.Rep.fpath)
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{| SELECT a.filepath, a.localpath
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FROM build_artifact a
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WHERE a.build = ?
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|}
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let insert_tag =
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Caqti_request.exec
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Caqti_type.string
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"INSERT INTO tag (tag) VALUES (?)"
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let insert_job_tag =
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Caqti_request.exec
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Caqti_type.(tup3 Builder_db.Rep.id string Builder_db.Rep.id)
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"INSERT INTO job_tag (tag, value, job) VALUES (?, ?, ?)"
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let find_tag =
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Caqti_request.find
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Caqti_type.string
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Builder_db.Rep.id
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"SELECT id FROM tag where tag = ?"
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let remove_job_tag =
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Caqti_request.exec
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Builder_db.Rep.id
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"DELETE FROM job_tag where tag = ?"
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let remove_tag =
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Caqti_request.exec
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Builder_db.Rep.id
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"DELETE FROM tag where id = ?"
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open Rresult.R.Infix
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let migrate datadir (module Db : Caqti_blocking.CONNECTION) =
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Grej.check_version ~user_version:old_version (module Db) >>= fun () ->
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Db.exec insert_tag "readme.md" >>= fun () ->
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Db.find find_tag "readme.md" >>= fun readme_id ->
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Db.collect_list jobs () >>= fun jobs ->
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Grej.list_iter_result (fun job ->
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Db.find latest_successful_build job >>= fun build ->
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Db.collect_list build_artifacts build >>= fun artifacts ->
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List.fold_left (fun acc (fpath, lpath) ->
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acc >>= fun acc ->
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Bos.OS.File.read Fpath.(append datadir lpath) >>= fun data ->
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Ok ((fpath, data) :: acc))
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(Ok [])
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artifacts >>= fun files ->
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(match List.find_opt (fun (p, _) -> Fpath.(equal (v "README.md") p)) files with
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| None -> Ok ()
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| Some (_, data) -> Db.exec insert_job_tag (readme_id, data, job)))
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jobs >>= fun () ->
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Db.exec (Grej.set_version new_version) ()
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let rollback _datadir (module Db : Caqti_blocking.CONNECTION) =
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Grej.check_version ~user_version:new_version (module Db) >>= fun () ->
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Db.find find_tag "readme.md" >>= fun readme_id ->
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Db.exec remove_job_tag readme_id >>= fun () ->
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Db.exec remove_tag readme_id >>= fun () ->
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Db.exec (Grej.set_version old_version) ()
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