Public dry run dryrun-a43e907efd9d

Source commit: a43e907efd9d1561c23fe73499478e881f868355

Public tree identity: sha256:453dea30195485dd8939f575a69b39f4bb7acd84c4df23f8aa29b55d044f2673

crates/clusterflux-cli/src/tools.rs

@@ -0,0 +1,63 @@
+use std::path::PathBuf;
+use std::process::{Command, Stdio};
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use anyhow::Result;
+
+pub(crate) fn command_available(command: &str) -> bool {
+    Command::new(command)
+        .arg("--version")
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()
+        .is_ok()
+}
+
+pub(crate) fn command_nonce(prefix: &str) -> String {
+    let now = unix_timestamp_nanos();
+    format!("{prefix}-{now}-{}", std::process::id())
+}
+
+pub(crate) fn unix_timestamp_seconds() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_secs())
+        .unwrap_or_default()
+}
+
+fn unix_timestamp_nanos() -> u128 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_nanos())
+        .unwrap_or_default()
+}
+
+pub(crate) fn sibling_binary(name: &str) -> Option<PathBuf> {
+    let mut sibling = std::env::current_exe().ok()?;
+    sibling.set_file_name(format!("{name}{}", std::env::consts::EXE_SUFFIX));
+    sibling.is_file().then_some(sibling)
+}
+
+pub(crate) fn dap_binary_path() -> Result<PathBuf> {
+    if let Some(path) = std::env::var_os("CLUSTERFLUX_DAP_BIN") {
+        return Ok(PathBuf::from(path));
+    }
+    if let Some(path) = sibling_binary("clusterflux-debug-dap") {
+        return Ok(path);
+    }
+    let release = PathBuf::from("target/release").join(format!(
+        "clusterflux-debug-dap{}",
+        std::env::consts::EXE_SUFFIX
+    ));
+    if release.is_file() {
+        return Ok(release);
+    }
+    let debug = PathBuf::from("target/debug").join(format!(
+        "clusterflux-debug-dap{}",
+        std::env::consts::EXE_SUFFIX
+    ));
+    if debug.is_file() {
+        return Ok(debug);
+    }
+    anyhow::bail!("could not locate clusterflux-debug-dap; set CLUSTERFLUX_DAP_BIN")
+}