create `build_helper/src/util` mod

Signed-off-by: ozkanonur <work@onurozkan.dev>

2 files changed, 42 insertions, 0 deletions

diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs
index d3d2323db85..3fa970373b3 100644
--- a/src/tools/build_helper/src/lib.rs
+++ b/src/tools/build_helper/src/lib.rs
@@ -1,2 +1,3 @@
 pub mod ci;
 pub mod git;
+pub mod util;
diff --git a/src/tools/build_helper/src/util.rs b/src/tools/build_helper/src/util.rs
new file mode 100644
index 00000000000..731095023a9
--- /dev/null
+++ b/src/tools/build_helper/src/util.rs
@@ -0,0 +1,41 @@
+use std::process::Command;
+
+/// Invokes `build_helper::util::detail_exit` with `cfg!(test)`
+#[macro_export]
+macro_rules! detail_exit_macro {
+    ($code:expr) => {
+        build_helper::util::detail_exit($code, cfg!(test));
+    };
+}
+
+/// If code is not 0 (successful exit status), exit status is 101 (rust's default error code.)
+/// If `is_test` true and code is an error code, it will cause a panic.
+pub fn detail_exit(code: i32, is_test: bool) -> ! {
+    // if in test and code is an error code, panic with status code provided
+    if is_test {
+        panic!("status code: {}", code);
+    } else {
+        // otherwise,exit with provided status code
+        std::process::exit(code);
+    }
+}
+
+pub fn fail(s: &str) -> ! {
+    eprintln!("\n\n{}\n\n", s);
+    detail_exit(1, cfg!(test));
+}
+
+pub fn try_run(cmd: &mut Command, print_cmd_on_fail: bool) -> bool {
+    let status = match cmd.status() {
+        Ok(status) => status,
+        Err(e) => fail(&format!("failed to execute command: {:?}\nerror: {}", cmd, e)),
+    };
+    if !status.success() && print_cmd_on_fail {
+        println!(
+            "\n\ncommand did not execute successfully: {:?}\n\
+             expected success, got: {}\n\n",
+            cmd, status
+        );
+    }
+    status.success()
+}