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fix timezone fetching on macOS High Sierra

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This commit is contained in:
Scott Lamb 2018-04-06 13:49:18 -07:00
parent 97d831e054
commit f720f6acd4
1 changed files with 10 additions and 6 deletions
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16
src/cmds/run.rs
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@ -43,9 +43,12 @@ use tokio_signal::unix::{Signal, SIGINT, SIGTERM};
use web;
// These are used in a hack to get the name of the current time zone (e.g. America/Los_Angeles).
// They seem to be correct for Linux and OS X at least.
// They seem to be correct for Linux and macOS at least.
const LOCALTIME_PATH: &'static str = "/etc/localtime";
const ZONEINFO_PATH: &'static str = "/usr/share/zoneinfo/";
const ZONEINFO_PATHS: [&'static str; 2] = [
"/usr/share/zoneinfo/", // Linux, macOS < High Sierra
"/var/db/timezone/zoneinfo/" // macOS High Sierra
];
const USAGE: &'static str = r#"
Usage: moonfire-nvr run [options]
@ -86,11 +89,12 @@ fn setup_shutdown_future(h: &reactor::Handle) -> Box<Future<Item = (), Error = (
fn resolve_zone() -> String {
let p = ::std::fs::read_link(LOCALTIME_PATH).expect("unable to read localtime symlink");
let p = p.to_str().expect("localtime symlink destination must be valid UTF-8");
if !p.starts_with(ZONEINFO_PATH) {
panic!("Expected {} to point to a path within {}; actually points to {}",
LOCALTIME_PATH, ZONEINFO_PATH, p);
for zp in &ZONEINFO_PATHS {
if p.starts_with(zp) {
return p[zp.len()..].into();
}
}
p[ZONEINFO_PATH.len()..].into()
panic!("{} points to unexpected path {}", LOCALTIME_PATH, p)
}
struct Syncer {