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Reject a leading plus sign in SOURCE_DATE_EPOCH

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Found while testing crates/doc/src/metadata.rs:108 (stamp_from_env)

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
NetterSilver
2026-10-24 19:21:31 +07:00
committed by bflatastic
co-authored by Claude Haiku 5.5
parent 6010dae0f0
commit 34e17ff13b
1 changed files with 8 additions and 2 deletions
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crates/doc/src/metadata.rs
+8 -2
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@@ -105,7 +105,13 @@ fn pinned_or(get: impl Fn(&str) -> Option<String>, clock: impl Fn() -> Option<i6
/// seconds since the epoch. `None` when it is unset, blank, negative or not an integer, and then
/// the clock decides — an export is never refused over the environment.
fn stamp_from_env(get: impl Fn(&str) -> Option<String>) -> Option<i64> {
get("SOURCE_DATE_EPOCH")?.trim().parse::<i64>().ok().filter(|t| *t >= 0)
let value = get("SOURCE_DATE_EPOCH")?;
let value = value.trim();
// `i64::from_str` also takes a leading `+`, which `date +%s` never prints.
if value.is_empty() || !value.bytes().all(|b| b.is_ascii_digit()) {
return None;
}
value.parse::<i64>().ok()
}
/// The current time as Unix seconds (UTC); `None` where the platform has no clock (the web build).
@@ -193,7 +199,7 @@ mod tests {
assert_eq!(stamp_from_env(env(Some("1791208980"))), Some(1_791_208_980));
assert_eq!(stamp_from_env(env(Some("0"))), Some(0));
assert_eq!(stamp_from_env(env(Some(" 1791208980 "))), Some(1_791_208_980));
for bad in ["", " ", "-1", "later", "1791208980.5", "1e9", "99999999999999999999"] {
for bad in ["", " ", "-1", "later", "1791208980.5", "1e9", "+1791208980", "+0", "99999999999999999999"] {
assert_eq!(stamp_from_env(env(Some(bad))), None, "{bad:?}");
}
assert_eq!(stamp_from_env(env(None)), None, "unset");