sjg
ba48de2d30
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Signed-off-by: Stan Grams <sjg@haxx.space>
30 lines
1003 B
Rust
30 lines
1003 B
Rust
// SPDX-FileCopyrightText: 2026 Stan Grams <sjg@haxx.space>
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//
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// SPDX-License-Identifier: GPL-2.0-or-later
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use std::time::{SystemTime, UNIX_EPOCH};
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fn utc_ymd_from_unix_secs(secs: i64) -> (i32, u32, u32) {
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let days = secs.div_euclid(86_400);
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let z = days + 719_468;
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let era = if z >= 0 { z } else { z - 146_096 } / 146_097;
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let doe = z - era * 146_097;
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let yoe = (doe - doe / 1_460 + doe / 36_524 - doe / 146_096) / 365;
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let mut y = yoe + era * 400;
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let doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
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let mp = (5 * doy + 2) / 153;
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let d = doy - (153 * mp + 2) / 5 + 1;
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let m = mp + if mp < 10 { 3 } else { -9 };
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y += if m <= 2 { 1 } else { 0 };
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(y as i32, m as u32, d as u32)
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}
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fn main() {
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let secs = match SystemTime::now().duration_since(UNIX_EPOCH) {
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Ok(d) => d.as_secs() as i64,
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Err(_) => 0,
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};
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let (y, m, d) = utc_ymd_from_unix_secs(secs);
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println!("cargo:rustc-env=TRX_CLIENT_BUILD_DATE={y:04}-{m:02}-{d:02}");
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}
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