OXYGENHUB

build: watch FLOW_HEADS only when OXY_BUILD does not name the build (refs andymccall/oxygenflow#52) 141b1fb2ebe9

A CI job that sets OXY_BUILD then keeps a cached target fresh from one
state to the next, instead of rerunning the build script and recompiling
the crate on every push.
Author
Andy McCall @andymccall <[email protected]>
When
· 2026-10-13 16:07 UTC
Signature
✔ signed by Andy McCall
Hash
141b1fb2ebe91e4ebe083fbe919785bab6cd42ad4a597c3e06e879d5f738dde9
Depends on
e293c90dca62
Depended on by
nothing yet
In bookmarks
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In tags
v0.10.0 v0.11.0 v0.4.4 v0.4.5 v0.4.6 v0.5.0 v0.5.1 v0.6.0 v0.7.0 v0.8.0 v0.9.0
Edits
2 atoms, 0 tree operations, 1 file

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show whitespace changes
modified build.rs +5 −1
… 
2 unchanged lines
3 3 
//! building, else "local build".
4 4 
fn main() {
5 5 
    println!("cargo:rerun-if-env-changed=OXY_BUILD");
6 - 
    println!("cargo:rerun-if-env-changed=FLOW_HEADS");
6 + 
    // The heads name the build only when OXY_BUILD does not: a CI job that
7 + 
    // sets it stays fresh from one state to the next (oxygenflow#52).
8 + 
    if !std::env::var("OXY_BUILD").is_ok_and(|b| !b.trim().is_empty()) {
9 + 
        println!("cargo:rerun-if-env-changed=FLOW_HEADS");
10 + 
    }
7 11 
    let build = std::env::var("OXY_BUILD")
8 12 
        .ok()
9 13 
        .map(|b| b.trim().to_string())
… 
18 unchanged lines