Add first possible annotation syntax

examples/duplicate.toml

@@ -41,6 +41,10 @@ setup = "which ls"
 shell = "none"
 command = "dd if={ifile} of=/tmp/Cargo.toml.dd"
 
+[run.dd.annotations]
+filesize = "ls -al /tmp/Cargo.toml.dd | awk '{{print $5}}'"
+modified = "ls -al /tmp/Cargo.toml.dd | awk '{{print $6\" \"$7\" \"$8}}'"
+
 [run.cp]
 command = "cp {ifile} /tmp/Cargo.toml.cp"
 

src/core.rs

@@ -12,6 +12,30 @@ use std::{collections::HashMap, fmt::Display, fs::File, io::Read, path::PathBuf}
 /// Transformation to hyperfine parameters
 pub trait Hyperfined {
     fn to_hyperfine(&self) -> Vec<String>;
+    fn to_hyperfine_with_json(&self, json: &str) -> Vec<String> {
+        let mut params = self.to_hyperfine();
+        params.push("--export-json".to_string());
+        params.push(json.to_string());
+        params
+    }
+    fn to_hyperfine_with_json_and_annotations(&self, json: &str, kw: &HashMap<String, String>) -> Vec<String> {
+        let mut params = self.to_hyperfine();
+        let mut annotations: Vec<_> = kw.iter().map(|(k, v)| util::generate_jq_cmd(&k, &v, json)).collect();
+        match &params.iter().position(|x| x == &"--cleanup".to_string()) {
+            Some(ix) => {
+                // Cleanup used in command and annotations must be prepand
+                annotations.push(params.get(ix+1).unwrap().clone());
+                params.insert(ix + 1, annotations.join(" && "));
+                params.remove(ix + 2);
+            },
+            None => {
+                // Cleanup not used, annotations can be added as cleanup
+                params.push("--cleanup".to_string());
+                params.push(annotations.join(" && "));
+            }
+        }
+        params
+    }
 }
 
 /// Configuration for a complete Benchmark set consisting of several Runs
@@ -64,6 +88,7 @@ pub(crate) struct Run {
     prepare: Option<String>,
     setup: Option<String>,
     shell: Option<String>,
+    pub annotations: Option<HashMap<String, String>>,
     command: String,
 }
 

src/main.rs

@@ -10,13 +10,13 @@ mod util;
 /// Command-line Interface (CLI) for the hypcmp library
 #[derive(Parser, Debug)]
 #[clap(author, version, about, long_about = None)]
-pub struct Cli {
+struct Cli {
     /// Configuration file [*.toml]
     #[clap(value_parser)]
-    pub config: PathBuf,
+    config: PathBuf,
 
     #[clap(flatten)]
-    pub verbose: clap_verbosity_flag::Verbosity,
+    verbose: clap_verbosity_flag::Verbosity,
 }
 
 fn main() -> std::io::Result<()> {
@@ -42,23 +42,28 @@ fn main() -> std::io::Result<()> {
     for (label, run) in c.run.iter() {
         debug!("Run: {run:?}");
 
+        // Initiate `hyperfine` command
         let mut cmd = Command::new("hyperfine");
-        cmd.args(c.to_hyperfine());
 
-        let mut name = vec!["--command-name".to_string()];
-        name.push(label.clone());
-        cmd.args(name);
-
-        let mut json = vec!["--export-json".to_string()];
+        // Add json output to arguments
         let mut filename = label.clone();
         filename.push_str(".json");
         let output = dir.path().join(filename).display().to_string();
-        json.push(output.clone());
-        cmd.args(json);
+        cmd.args(c.to_hyperfine_with_json(&output));
+
+        // Add command name to arguments
+        let mut name = vec!["--command-name".to_string()];
+        name.push(label.clone());
+        cmd.args(name);
 
-        cmd.args(run.to_hyperfine());
+        // Add run specific arguments
+        match &run.annotations {
+            Some(hm) => cmd.args(run.to_hyperfine_with_json_and_annotations(&output, hm)),
+            None => cmd.args(run.to_hyperfine()),
+        };
         info!("Running: {cmd:?}");
 
+        // Execute command
         let result = cmd.output()?;
         if result.status.success() {
             debug!("Benchmark run successful");
@@ -80,7 +85,7 @@ fn main() -> std::io::Result<()> {
     } else {
         let json = util::merge_json_files(&files_to_be_merged)?;
         util::write_json_to_disk(json)?;
-        util::cleanup(files_to_be_merged, dir)?;
+        // util::cleanup(files_to_be_merged, dir)?;
         util::checkout(current_branch)?;
     }
     Ok(())

src/util.rs

@@ -251,3 +251,26 @@ fn move_commit_label_to_cmd_name(mut json: Value) -> std::io::Result<serde_json:
     }
     Ok(json)
 }
+
+/// Generate jq command to manipulate `hyperfine` result json
+pub fn generate_jq_cmd(key: &str, cmd: &str, json: &str) -> String {
+    format!(
+        "jq --arg {0} $({1}) '.results[0].{0}=${0}' {2} > {2}",
+        key, cmd, json
+    )
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn jq() {
+        let key = "filesize";
+        let cmd = "ls -al /tmp/Cargo.toml.dd | awk '{{print $5}}'";
+        let json = "out.json";
+        let expected = "jq --arg filesize $(ls -al /tmp/Cargo.toml.dd | awk '{{print $5}}') '.results[0].filesize=$filesize' out.json";
+
+        assert_eq!(expected, generate_jq_cmd(key, cmd, json))
+    }
+}