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move git-version dependency to main crate to reduce rebuilds #568

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lx merged 1 commit from move-git-version into main 2023-05-09 09:53:33 +00:00
Conversation 0 Commits 1 Files changed 6 +44 -42
6 changed files with 44 additions and 42 deletions
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Showing only changes of commit 9e0a9c1c15 - Show all commits

2
Cargo.lock generated
View file

@ -1095,6 +1095,7 @@ dependencies = [
"garage_table",
"garage_util",
"garage_web",
"git-version",
"hex",
"hmac 0.12.1",
"http",
@ -1298,7 +1299,6 @@ dependencies = [
"err-derive",
"futures",
"garage_db",
"git-version",
"hex",
"hexdump",
"http",

64
Cargo.nix
View file

@ -32,7 +32,7 @@ args@{
ignoreLockHash,
}:
let
nixifiedLockHash = "fdd68f4fc55534ea423284de294a3da29395e7474a31bc0a8bd0527a2288719f";
nixifiedLockHash = "c456543cc85b781f177914f8901fdfffd342edb0e5e5d0069fb51c9fd74e91dd";
workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
lockHashIgnored = if ignoreLockHash
@ -936,18 +936,18 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"; };
features = builtins.concatLists [
[ "alloc" ]
[ "default" ]
[ "std" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "alloc")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "std")
];
dependencies = {
cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
crossbeam_utils = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.14" { inherit profileName; }).out;
memoffset = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memoffset."0.7.1" { inherit profileName; }).out;
scopeguard = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".scopeguard."1.1.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "cfg_if" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_utils" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.14" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "memoffset" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".memoffset."0.7.1" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "scopeguard" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".scopeguard."1.1.0" { inherit profileName; }).out;
};
buildDependencies = {
autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "autocfg" else null } = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
};
});
@ -973,7 +973,7 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"; };
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
[ "std" ]
];
dependencies = {
@ -1365,8 +1365,8 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"; };
dependencies = {
${ if hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.139" { inherit profileName; }).out;
${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && hostPlatform.isUnix then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.139" { inherit profileName; }).out;
${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
};
});
@ -1527,7 +1527,7 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"; };
dependencies = {
byteorder = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".byteorder."1.4.3" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "byteorder" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".byteorder."1.4.3" { inherit profileName; }).out;
};
});
@ -1567,6 +1567,7 @@ in
garage_table = (rustPackages."unknown".garage_table."0.8.2" { inherit profileName; }).out;
garage_util = (rustPackages."unknown".garage_util."0.8.2" { inherit profileName; }).out;
garage_web = (rustPackages."unknown".garage_web."0.8.2" { inherit profileName; }).out;
git_version = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".git-version."0.3.5" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.5.2" { inherit profileName; }).out;
@ -1693,12 +1694,12 @@ in
(lib.optional (rootFeatures' ? "garage/bundled-libs" || rootFeatures' ? "garage/default" || rootFeatures' ? "garage_db/bundled-libs") "bundled-libs")
(lib.optional (rootFeatures' ? "garage_db/clap" || rootFeatures' ? "garage_db/cli") "clap")
(lib.optional (rootFeatures' ? "garage_db/cli") "cli")
[ "default" ]
(lib.optional (rootFeatures' ? "garage_db/default") "default")
(lib.optional (rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_db/heed" || rootFeatures' ? "garage_db/lmdb" || rootFeatures' ? "garage_model/lmdb") "heed")
(lib.optional (rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_db/lmdb" || rootFeatures' ? "garage_model/lmdb") "lmdb")
(lib.optional (rootFeatures' ? "garage_db/cli" || rootFeatures' ? "garage_db/pretty_env_logger") "pretty_env_logger")
(lib.optional (rootFeatures' ? "garage/bundled-libs" || rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/bundled-libs" || rootFeatures' ? "garage_db/rusqlite" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/sqlite") "rusqlite")
[ "sled" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "sled")
(lib.optional (rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/sqlite") "sqlite")
];
dependencies = {
@ -1708,7 +1709,7 @@ in
hexdump = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hexdump."0.1.1" { inherit profileName; }).out;
${ if rootFeatures' ? "garage_db/cli" || rootFeatures' ? "garage_db/pretty_env_logger" then "pretty_env_logger" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pretty_env_logger."0.4.0" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/bundled-libs" || rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_db/bundled-libs" || rootFeatures' ? "garage_db/rusqlite" || rootFeatures' ? "garage_db/sqlite" || rootFeatures' ? "garage_model/sqlite" then "rusqlite" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rusqlite."0.28.0" { inherit profileName; }).out;
sled = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sled."0.34.7" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "sled" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".sled."0.34.7" { inherit profileName; }).out;
tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" { inherit profileName; }).out;
};
devDependencies = {
@ -1722,10 +1723,10 @@ in
registry = "unknown";
src = fetchCrateLocal (workspaceSrc + "/src/model");
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage_model/default") "default")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/k2v" || rootFeatures' ? "garage_api/k2v" || rootFeatures' ? "garage_model/k2v") "k2v")
(lib.optional (rootFeatures' ? "garage/lmdb" || rootFeatures' ? "garage_model/lmdb") "lmdb")
[ "sled" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "sled")
(lib.optional (rootFeatures' ? "garage/sqlite" || rootFeatures' ? "garage_model/sqlite") "sqlite")
];
dependencies = {
@ -1840,7 +1841,6 @@ in
err_derive = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".err-derive."0.3.1" { profileName = "__noProfile"; }).out;
futures = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.25" { inherit profileName; }).out;
garage_db = (rustPackages."unknown".garage_db."0.8.2" { inherit profileName; }).out;
git_version = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".git-version."0.3.5" { inherit profileName; }).out;
hex = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; }).out;
hexdump = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".hexdump."0.1.1" { inherit profileName; }).out;
http = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.8" { inherit profileName; }).out;
@ -2963,10 +2963,10 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"; };
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
];
buildDependencies = {
autocfg = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "autocfg" else null } = (buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".autocfg."1.1.0" { profileName = "__noProfile"; }).out;
};
});
@ -4728,18 +4728,18 @@ in
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "7f96b4737c2ce5987354855aed3797279def4ebf734436c6aa4552cf8e169935"; };
features = builtins.concatLists [
[ "default" ]
[ "no_metrics" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "default")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "no_metrics")
];
dependencies = {
crc32fast = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crc32fast."1.3.2" { inherit profileName; }).out;
crossbeam_epoch = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-epoch."0.9.13" { inherit profileName; }).out;
crossbeam_utils = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.14" { inherit profileName; }).out;
${ if hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "darwin" || hostPlatform.parsed.kernel.name == "windows" then "fs2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fs2."0.4.3" { inherit profileName; }).out;
fxhash = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fxhash."0.2.1" { inherit profileName; }).out;
libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.139" { inherit profileName; }).out;
log = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
parking_lot = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".parking_lot."0.11.2" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crc32fast" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crc32fast."1.3.2" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_epoch" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-epoch."0.9.13" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "crossbeam_utils" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".crossbeam-utils."0.8.14" { inherit profileName; }).out;
${ if (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") && (hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "darwin" || hostPlatform.parsed.kernel.name == "windows") then "fs2" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fs2."0.4.3" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "fxhash" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".fxhash."0.2.1" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.139" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "log" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".log."0.4.17" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled" then "parking_lot" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".parking_lot."0.11.2" { inherit profileName; }).out;
};
});
@ -5941,7 +5941,7 @@ in
[ "objbase" ]
[ "pdh" ]
[ "processenv" ]
[ "processthreadsapi" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "processthreadsapi")
[ "profileapi" ]
[ "roapi" ]
[ "shlobj" ]

1
src/garage/Cargo.toml
View file

@ -41,6 +41,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
rand = "0.8"
async-trait = "0.1.7"
sodiumoxide = { version = "0.2.5-0", package = "kuska-sodiumoxide" }
git-version = "0.3.4"
serde = { version = "1.0", default-features = false, features = ["derive", "rc"] }
serde_bytes = "0.11"

6
src/garage/main.rs
View file

@ -108,6 +108,12 @@ async fn main() {
][..];
if let Some(git_version) = option_env!("GIT_VERSION") {
garage_util::version::init_version(git_version);
} else {
garage_util::version::init_version(git_version::git_version!(
prefix = "git:",
cargo_prefix = "cargo:",
fallback = "unknown"
));
}
garage_util::version::init_features(features);

1
src/util/Cargo.toml
View file

@ -22,7 +22,6 @@ blake2 = "0.10"
bytes = "1.0"
digest = "0.10"
err-derive = "0.3"
git-version = "0.3.4"
hexdump = "0.1"
xxhash-rust = { version = "0.8", default-features = false, features = ["xxh3"] }
hex = "0.4"

12
src/util/version.rs
View file

@ -1,18 +1,14 @@
use std::sync::Arc;
use arc_swap::{ArcSwap, ArcSwapOption};
use arc_swap::ArcSwapOption;
lazy_static::lazy_static! {
static ref VERSION: ArcSwap<&'static str> = ArcSwap::new(Arc::new(git_version::git_version!(
prefix = "git:",
cargo_prefix = "cargo:",
fallback = "unknown"
)));
static ref VERSION: ArcSwapOption<&'static str> = ArcSwapOption::new(None);
static ref FEATURES: ArcSwapOption<&'static [&'static str]> = ArcSwapOption::new(None);
}
pub fn garage_version() -> &'static str {
&VERSION.load()
VERSION.load().as_ref().unwrap()
}
pub fn garage_features() -> Option<&'static [&'static str]> {
@ -20,7 +16,7 @@ pub fn garage_features() -> Option<&'static [&'static str]> {
}
pub fn init_version(version: &'static str) {
VERSION.store(Arc::new(version));
VERSION.store(Some(Arc::new(version)));
}
pub fn init_features(features: &'static [&'static str]) {