backups/flake_env
1
0
Fork 0
mirror of https://git.sr.ht/~bryan_bennett/flake_env synced 2025-12-17 07:01:23 +01:00
Code Issues Projects Releases Packages Wiki Activity

Format with ocamlformat

Browse source
This commit is contained in:
Bryan Bennett 2024-01-08 15:40:13 -05:00
parent 5d0923569f
commit fa7b93e3da
No known key found for this signature in database
GPG key ID: EE149E4215408DE9
11 changed files with 298 additions and 206 deletions
Download patch file Download diff file Expand all files Collapse all files

59
lib/flake_env__versions.re
View file

@ -3,16 +3,13 @@ module Unix = Core_unix;
module Util = Flake_env__util;
type t = {
major: int,
minor: int,
point: int,
};
let init = (major, minor, point) => {
{major, minor, point}
};
let init = (major, minor, point) => {major, minor, point};
let required_direnv_version = init(2, 21, 3);
@ -23,12 +20,12 @@ let semver_re = Re.compile(Re.Posix.re({|([0-9]+)\.([0-9]+)\.([0-9]+)|}));
let compare = (a, b) => {
switch (a, b) {
| (a, b) when a.major == b.major && a.minor == b.minor && a.point == b.point => 0
| (a, b) when a.major < b.major => -1
| (a, b) when a.major == b.major && a.minor < b.minor => -1
| (a, b) when a.major == b.major && a.minor == b.minor && a.point < b.point => -1
| (a, b) when a.major < b.major => (-1)
| (a, b) when a.major == b.major && a.minor < b.minor => (-1)
| (a, b) when a.major == b.major && a.minor == b.minor && a.point < b.point => (-1)
| _ => 1
}
}
};
};
let extract_version_number = cmd => {
switch (Util.run_process(cmd, ["--version"])) {
@ -55,31 +52,33 @@ let extract_version_number = cmd => {
let is_new_enough = (cur, needed) => {
switch (cur) {
| Ok(cur) => {
switch (compare(cur, needed)) {
| x when x < 0 => Ok(false)
| _ => Ok(true)
}
}
| Error(e) => Error(e)
}
| Ok(cur) =>
switch (compare(cur, needed)) {
| x when x < 0 => Ok(false)
| _ => Ok(true)
}
| Error(e) => Error(e)
};
};
let in_direnv = () => switch (Sys.getenv("direnv")) {
| Some(_) => true
| None => false
};
let in_direnv = () =>
switch (Sys.getenv("direnv")) {
| Some(_) => true
| None => false
};
let preflight_versions = () => {
let is_nix_new_enough = is_new_enough(extract_version_number("nix"), required_nix_version);
let is_direnv_new_enough = is_new_enough(extract_version_number("direnv"), required_direnv_version);
let is_nix_new_enough =
is_new_enough(extract_version_number("nix"), required_nix_version);
let is_direnv_new_enough =
is_new_enough(extract_version_number("direnv"), required_direnv_version);
switch (in_direnv(), is_direnv_new_enough, is_nix_new_enough) {
| (false, _, _) => Error("Not in direnv!")
| (_, Ok(false), _) => Error("Direnv version is not new enough")
| (_, _, Ok(false)) => Error("Nix version is not new enough")
| (_, Error(e), _) => Error(e)
| (_, _, Error(e)) => Error(e)
| (true, Ok(true), Ok(true)) => Ok()
}
| (false, _, _) => Error("Not in direnv!")
| (_, Ok(false), _) => Error("Direnv version is not new enough")
| (_, _, Ok(false)) => Error("Nix version is not new enough")
| (_, Error(e), _) => Error(e)
| (_, _, Error(e)) => Error(e)
| (true, Ok(true), Ok(true)) => Ok()
};
};