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Add new action to update leap seconds automatically #1583

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merged 2 commits into from
Oct 23, 2024
Merged

Add new action to update leap seconds automatically #1583

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a788952
Add new action to update leap seconds automatically and the first val…
AurelienFT Oct 22, 2024
19e70e1
Add deletion of tai64 leap seconds update branch
AurelienFT Oct 22, 2024
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28 changes: 28 additions & 0 deletions .github/workflows/tai64_update_leap_seconds.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
name: Update Leap Seconds
on:
schedule:
- cron: 0 0 * * 1

jobs:
update:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Update leap seconds in code
run: |
curl -o leap_seconds_list -L https://data.iana.org/time-zones/data/leap-seconds.list
number=$(grep -v '^#' leap_seconds_list | tail -n1 | awk '{print $2}')
sed -i "s/\(1970-01-01 00:00:\)[0-9]\+ TAI/\1${number} TAI/" tai64/src/lib.rs
sed -i -E 's/(Self\()[0-9]+ \+ \(1 << 62\)\)/\1'"${number}"' + (1 << 62))/' tai64/src/lib.rs
rm leap_seconds_list
- name: Create Pull Request
uses: peter-evans/create-pull-request@v7
with:
commit-message: update leap seconds in tai64
title: Update leap seconds in tai64
body: 'Following this source: https://data.iana.org/time-zones/data/leap-seconds.list, the leap seconds counter has been updated.'
branch: update-leap-seconds
base: master
delete-branch: true
6 changes: 3 additions & 3 deletions tai64/src/lib.rs
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Expand Up @@ -36,8 +36,8 @@ const NANOS_PER_SECOND: u32 = 1_000_000_000;
pub struct Tai64(pub u64);

impl Tai64 {
/// Unix epoch in `TAI64`: 1970-01-01 00:00:10 TAI.
pub const UNIX_EPOCH: Self = Self(10 + (1 << 62));
/// Unix epoch in `TAI64`: 1970-01-01 00:00:37 TAI.
pub const UNIX_EPOCH: Self = Self(37 + (1 << 62));

/// Length of serialized `TAI64` timestamp in bytes.
pub const BYTE_SIZE: usize = 8;
Expand Down Expand Up @@ -151,7 +151,7 @@ impl Zeroize for Tai64N {
}

impl Tai64N {
/// Unix epoch in `TAI64N`: 1970-01-01 00:00:10 TAI.
/// Unix epoch in `TAI64N`: 1970-01-01 00:00:37 TAI.
pub const UNIX_EPOCH: Self = Self(Tai64::UNIX_EPOCH, 0);

/// Length of serialized `TAI64N` timestamp.
Expand Down