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Remove dependency on Janestreet Core

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Core doubles the closure size and adds 8mb to the binary size for dubious benefit.
This adds FileUtils to do the file interaction bits that aren't in the
stdlib and removes Core in preference to the bundled Stdlib.

Tests are passing, but I want to investigate the nix build before I
commit to this approach
This commit is contained in:
Bryan Bennett 2024-08-12 12:13:53 -04:00
parent 3f5f7a602d
commit 5c01142933
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GPG key ID: EE149E4215408DE9
11 changed files with 184 additions and 232 deletions
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14
lib/flake_env__versions.re
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@ -1,6 +1,3 @@
open Core;
module Unix = Core_unix;
module Util = Flake_env__util;
type t = {
@ -33,7 +30,7 @@ let compare = (a, b) => {
let extract_version_number = cmd => {
switch (Util.run_process(cmd, ["--version"])) {
| (Ok (), stdout) when String.length(stdout) > 0 =>
| (WEXITED(0), stdout) when String.length(stdout) > 0 =>
switch (Re.exec(semver_re, stdout)) {
| exception Stdlib.Not_found =>
Error(
@ -66,9 +63,14 @@ let is_new_enough = (cur, needed) => {
};
let in_direnv = () =>
/* direnv sets `$direnv` to the executable's full path
If it is empty - we're running tests (ocaml's stdlib doesn't offer unsetenv...)
If it isn't found, we're running outside direnv
*/
switch (Sys.getenv("direnv")) {
| Some(_) => true
| None => false
| exception Not_found => false
| "" => false
| _ => true
};
let preflight_versions = () => {