polish ci

examples/ci.rs

@@ -1,7 +1,7 @@
 //! This CI script for `xshell`.
 //!
 //! It also serves as a real-world example, yay bootstrap!
-use std::{env, process, thread, time::Duration, time::Instant};
+use std::{env, process, time::Instant};
 
 use xshell::{cmd, Result, Shell};
 
@@ -22,8 +22,12 @@ fn try_main() -> Result<()> {
 }
 
 fn test(sh: &Shell) -> Result<()> {
-    // Can't delete oneself on Windows.
-    if !cfg!(windows) {
+    // A good setup for CI is to compile & run in two steps, to get separate feedback for compile
+    // time and run time. However, because we are using the crate itself to run CI, if we are
+    // running this, we've already compiled a  bunch of stuff. Originally we tried to `rm -rf
+    // .target`, but we also observed weird SIGKILL: 9 errors on mac. Perhaps its our self-removal?
+    // Let's scope it only to linux (windows won't work, bc one can not remove oneself there).
+    if cfg!(linux) {
         sh.remove_path("./target")?;
     }
 
@@ -41,21 +45,9 @@ fn test(sh: &Shell) -> Result<()> {
 
 fn publish(sh: &Shell) -> Result<()> {
     let _s = Section::new("PUBLISH");
-    let manifest = sh.read_file("./Cargo.toml")?;
 
-    let version = manifest
-        .lines()
-        .find_map(|line| {
-            let words = line.split_ascii_whitespace().collect::<Vec<_>>();
-            match words.as_slice() {
-                [n, "=", v, ..] if n.trim() == "version" => {
-                    assert!(v.starts_with('"') && v.ends_with('"'));
-                    return Some(&v[1..v.len() - 1]);
-                }
-                _ => None,
-            }
-        })
-        .unwrap();
+    let pkgid = cmd!(sh, "cargo pkgid").read()?;
+    let (_path, version) = pkgid.rsplit_once('#').unwrap();
 
     let tag = format!("v{}", version);
     let tags = cmd!(sh, "git tag --list").read()?;
@@ -64,28 +56,11 @@ fn publish(sh: &Shell) -> Result<()> {
     let current_branch = cmd!(sh, "git branch --show-current").read()?;
 
     if current_branch == "master" && !tag_exists {
-        cmd!(sh, "git tag v{version}").run()?;
-
+        // Could also just use `CARGO_REGISTRY_TOKEN` environmental variable.
         let token = sh.var("CRATES_IO_TOKEN").unwrap_or("DUMMY_TOKEN".to_string());
-        {
-            let _p = sh.push_dir("xshell-macros");
-            cmd!(sh, "cargo publish --token {token}").run()?;
-            for _ in 0..100 {
-                thread::sleep(Duration::from_secs(3));
-                let err_msg =
-                    cmd!(sh, "cargo install xshell-macros --version {version} --bin non-existing")
-                        .ignore_status()
-                        .read_stderr()?;
-
-                let not_found = err_msg.contains("could not find ");
-                let tried_installing = err_msg.contains("Installing");
-                assert!(not_found ^ tried_installing);
-                if tried_installing {
-                    break;
-                }
-            }
-        }
-        cmd!(sh, "cargo publish --token {token}").run()?;
+        cmd!(sh, "git tag v{version}").run()?;
+        cmd!(sh, "cargo publish --token {token} --package xshell-macros").run()?;
+        cmd!(sh, "cargo publish --token {token} --package xshell").run()?;
         cmd!(sh, "git push --tags").run()?;
     }
     Ok(())