67 lines
2.7 KiB
Rust
67 lines
2.7 KiB
Rust
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//! Which build this is: the release version and the commit it came from.
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//!
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//! Both halves are compile-time literals — the version from
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//! `[workspace.package]`, the commit from `build.rs` — so [`BUILD_ID`] costs
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//! nothing to build and can be shown on every frame.
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/// The one string the user sees: `v0.9.1 (a46cbc2)`.
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///
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/// The version half is `[workspace.package] version` — the same value the
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/// `.deb`, the Windows installer and the release tag carry, because they all
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/// read it from there too. The commit half is the short hash `build.rs`
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/// resolved, or `unknown` for a build made outside a git checkout.
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pub const BUILD_ID: &str = concat!("v", env!("CARGO_PKG_VERSION"), " (", env!("QS_COMMIT"), ")");
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/// Hover text wherever [`BUILD_ID`] is shown.
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pub const BUILD_ID_HINT: &str = "QuickSearch version and the commit it was built from";
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#[cfg(test)]
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mod tests {
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use super::*;
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/// Take the build id apart the way someone reading a bug report does.
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/// Panics rather than returning an error: a build id that cannot be split
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/// is the failure these tests exist to catch.
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fn halves() -> (&'static str, &'static str) {
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let rest = BUILD_ID
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.strip_prefix('v')
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.unwrap_or_else(|| panic!("{BUILD_ID:?} should lead with a v, like the release tags"));
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let (version, commit) = rest
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.split_once(" (")
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.unwrap_or_else(|| panic!("{BUILD_ID:?} should be a version then a commit"));
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let commit = commit
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.strip_suffix(')')
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.unwrap_or_else(|| panic!("{BUILD_ID:?} has an unclosed commit"));
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(version, commit)
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}
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/// The whole point of the constant is that a screenshot of the status bar
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/// identifies a build, so the version half has to be the release version
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/// exactly — not a prefix of it, and not something reformatted.
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#[test]
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fn the_build_id_names_the_release_version() {
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let (version, _) = halves();
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assert_eq!(version, env!("CARGO_PKG_VERSION"));
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}
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/// `unknown` is the documented fallback for a build with no git and no
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/// `QS_COMMIT`; anything else has to be an abbreviated hash. A build script
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/// that quietly emitted a branch name, a tag, or a full 40-character SHA
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/// would widen the status bar and stop matching what the forge shows.
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#[test]
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fn the_build_id_names_a_short_commit() {
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let (_, commit) = halves();
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if commit == "unknown" {
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return;
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}
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assert!(
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(1..=7).contains(&commit.len()),
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"commit {commit:?} is not an abbreviated hash"
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);
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assert!(
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commit.chars().all(|c| matches!(c, '0'..='9' | 'a'..='f')),
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"commit {commit:?} is not lowercase hex"
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);
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}
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}
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