OXYGENHUB
◆ main oxygen / tests / cli_colocate.rs
3.3 KiB · Rust · last changed oxy git colocate: a .git beside .oxy, kept up to date after every command; .git is never content and never written by checkout (closes #160) 3 days ago source blame history raw
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//! `oxy git colocate` (oxygenhub#355, part two): a `.git` beside `.oxy`,
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//! kept up to date after every oxy command, so Git tools read an Oxygen
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//! checkout; oxy never takes `.git` as content.
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use std::path::Path;
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use std::process::Command;
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fn oxy(dir: &Path, home: &Path, args: &[&str]) -> (bool, String) {
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    let out = Command::new(env!("CARGO_BIN_EXE_oxy"))
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        .arg("--plain")
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        .args(args)
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        .current_dir(dir)
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        .env("OXY_HOME", home)
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        .env("NO_COLOR", "1")
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        .output()
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        .unwrap();
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    (
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        out.status.success(),
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        format!(
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            "{}{}",
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            String::from_utf8_lossy(&out.stdout),
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            String::from_utf8_lossy(&out.stderr)
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        ),
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    )
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}
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fn git(dir: &Path, args: &[&str]) -> String {
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    let out = Command::new("git")
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        .args(args)
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        .current_dir(dir)
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        .env("GIT_CONFIG_NOSYSTEM", "1")
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        .env("HOME", dir)
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        .output()
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        .unwrap();
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    assert!(
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        out.status.success(),
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        "git {args:?}: {}",
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        String::from_utf8_lossy(&out.stderr)
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    );
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    String::from_utf8_lossy(&out.stdout).trim().to_string()
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}
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#[test]
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fn a_colocated_git_follows_the_bookmark() {
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    if Command::new("git").arg("--version").output().is_err() {
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        eprintln!("git not installed; skipping");
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        return;
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    }
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    let tmp = tempfile::tempdir().unwrap();
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    let home = tmp.path().join("home");
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    std::fs::create_dir_all(&home).unwrap();
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    let r = tmp.path().join("r");
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    assert!(oxy(tmp.path(), &home, &["init", r.to_str().unwrap()]).0);
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    assert!(
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        oxy(
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            &r,
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            &home,
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            &[
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                "identity",
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                "create",
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                "--name",
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                "Ada",
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                "--email",
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                "[email protected]"
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            ]
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        )
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        .0
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    );
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    std::fs::write(r.join("a.txt"), "one\n").unwrap();
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    assert!(oxy(&r, &home, &["commit", "-m", "first"]).0);
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    let (ok, out) = oxy(&r, &home, &["git", "colocate"]);
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    assert!(ok, "{out}");
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    assert!(r.join(".git/HEAD").exists());
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    assert_eq!(git(&r, &["log", "--format=%s"]), "first");
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    assert_eq!(git(&r, &["symbolic-ref", "HEAD"]), "refs/heads/main");
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    assert_eq!(
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        git(&r, &["status", "--porcelain"]),
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        "",
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        "Git sees no difference, and not .oxy either"
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    );
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    let (_, status) = oxy(&r, &home, &["status"]);
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    assert!(
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        !status.contains(".git"),
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        "oxy never takes .git as content: {status}"
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    );
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    // An oxy commit shows in Git without asking.
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    std::fs::write(r.join("a.txt"), "one\ntwo\n").unwrap();
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    assert_eq!(
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        git(&r, &["status", "--porcelain"]),
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        "M a.txt",
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        "uncommitted work shows as modified"
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    );
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    assert!(oxy(&r, &home, &["commit", "-m", "second"]).0);
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    assert_eq!(git(&r, &["log", "--format=%s"]), "second\nfirst");
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    assert_eq!(git(&r, &["status", "--porcelain"]), "");
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    assert_eq!(git(&r, &["show", "HEAD:a.txt"]), "one\ntwo");
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    // Off: no more updates, the .git stays.
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    assert!(oxy(&r, &home, &["git", "colocate", "--off"]).0);
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    std::fs::write(r.join("b.txt"), "b\n").unwrap();
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    assert!(oxy(&r, &home, &["commit", "-m", "third"]).0);
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    assert_eq!(
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        git(&r, &["log", "--format=%s"]),
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        "second\nfirst",
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        "no longer followed"
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    );
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    assert!(r.join(".git/HEAD").exists());
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}