Added support for multiple repos each with their own number of branches

src/cli.rs

@@ -8,9 +8,6 @@ use crate::heatmap::HeatmapColors;
 #[derive(Clone, Debug, Parser, PartialEq, Eq)]
 #[command(version, about, long_about = None)]
 pub struct CliArgs {
-	#[arg(default_value=".", value_hint = ValueHint::DirPath)]
-	pub input: PathBuf,
-
 	#[arg(short, long)]
 	pub author: String,
 
@@ -20,6 +17,9 @@ pub struct CliArgs {
 	#[arg(long("color"), value_enum, default_value_t = HeatmapColors::Green)]
 	pub color_scheme: HeatmapColors,
 
+	#[arg(short, long, num_args(0..), value_hint = ValueHint::DirPath)]
+	pub repos: Option<Vec<PathBuf>>,
+
 	#[arg(short, long, num_args(0..))]
 	pub branches: Option<Vec<String>>,
 

src/heatmap.rs

@@ -12,10 +12,11 @@ pub struct Heatmap {
 	commits: Vec<Commit>,
 	months: Vec<(usize, String)>,
 	highest_count: i32,
+	repos: usize,
 }
 
 impl Heatmap {
-	pub fn new(since: NaiveDate, until: NaiveDate, commits: Vec<Commit>) -> Self {
+	pub fn new(since: NaiveDate, until: NaiveDate, repos: usize, commits: Vec<Commit>) -> Self {
 		let mut heatmap = Self {
 			data: [vec![], vec![], vec![], vec![], vec![], vec![], vec![]],
 			since,
@@ -23,6 +24,7 @@ impl Heatmap {
 			commits,
 			months: vec![],
 			highest_count: 0,
+			repos,
 		};
 
 		let mut grouped_commits = BTreeMap::new();
@@ -97,6 +99,7 @@ impl Display for Heatmap {
 		let commits = self.commits.len().to_string();
 
 		write!(f, "{} - {}\n", start_date, end_date).unwrap();
+		write!(f, "{} repos\n", self.repos).unwrap();
 		write!(f, "{} commits\n\n", commits).unwrap();
 		write!(f, "{}\n", self.months_row()).unwrap();
 

src/main.rs

@@ -2,14 +2,14 @@
 #![feature(let_chains)]
 #![allow(dead_code)]
 
-use std::{cmp::Reverse, collections::HashSet, sync::OnceLock};
+use std::{cmp::Reverse, collections::HashSet, path::PathBuf, sync::OnceLock};
 
-use anyhow::{Context, Result};
+use anyhow::{anyhow, Context, Result};
 use chrono::{DateTime, Duration, Local, NaiveDate, TimeZone};
 use clap::Parser;
 use gix::{bstr::ByteSlice, ObjectId, Repository};
 use heatmap::HeatmapColors;
-use itertools::Itertools;
+use itertools::{enumerate, Itertools};
 use rgb::Rgb;
 
 use crate::{cli::CliArgs, heatmap::Heatmap};
@@ -53,6 +53,8 @@ fn main() -> Result<()> {
 
 	let args = CliArgs::parse();
 
+	// dbg!(&args);
+
 	CHAR.set(args.char).unwrap();
 	let color_map = match args.color_scheme {
 		HeatmapColors::Green => GREEN_COLOR_MAP,
@@ -64,8 +66,6 @@ fn main() -> Result<()> {
 		.collect::<Vec<_>>();
 	COLOR_MAP.set(color_map).unwrap();
 
-	let repo = gix::open(&args.input).unwrap();
-
 	let since = NaiveDate::parse_from_str(&args.since, "%Y-%m-%d").unwrap();
 
 	let until = args
@@ -74,9 +74,9 @@ fn main() -> Result<()> {
 		.unwrap_or_else(|| get_default_until(since));
 	let until = NaiveDate::parse_from_str(&until, "%Y-%m-%d").unwrap();
 
-	let commits = get_commits(repo, args, since).with_context(|| "Could not fetch commit list")?;
+	let commits = get_commits(args, since).with_context(|| "Could not fetch commit list")?;
 
-	let heatmap = Heatmap::new(since, until, commits);
+	let heatmap = Heatmap::new(since, until, commits.0, commits.1);
 
 	println!("{heatmap}");
 
@@ -122,21 +122,40 @@ fn get_color_map() -> Vec<String> {
 		.to_vec()
 }
 
-fn get_commits(repo: Repository, args: CliArgs, start_date: NaiveDate) -> Result<Vec<Commit>> {
+fn get_commits(args: CliArgs, start_date: NaiveDate) -> Result<(usize, Vec<Commit>)> {
 	let mut commits: HashSet<Commit> = HashSet::new();
 
-	let branches = match args.branches {
-		Some(b) => b,
-		None => repo
-			.branch_names()
-			.into_iter()
-			.map(|b| b.to_string())
-			.collect_vec(),
+	let repos = match args.repos {
+		Some(r) => r,
+		None => vec![PathBuf::from(".")],
 	};
 
+	let branches = args.branches.unwrap_or_else(|| vec!["@".to_string()]);
+
+	if repos.len() > 1 && repos.len() != branches.len() {
+		return Err(anyhow!(
+			"Number of repos ({}) needs to match the number of branch lists ({})!",
+			repos.len(),
+			branches.len()
+		));
+	}
+
+	for (i, repo) in repos.iter().enumerate() {
+		let repo = gix::open(repo).unwrap();
+
+		let branch_names = &*branches[i];
+		let mut branches = vec![];
+		if branch_names.is_empty() {
+			branches.extend(repo.branch_names().iter());
+		}
+		else {
+			let branch_names = branch_names.split(' ');
+			branches.extend(branch_names);
+		}
+
 		for branch in branches {
 			let branch_commits = repo
-			.rev_parse(&*branch)?
+				.rev_parse(branch)?
 				.single()
 				.unwrap()
 				.ancestors()
@@ -182,11 +201,12 @@ fn get_commits(repo: Repository, args: CliArgs, start_date: NaiveDate) -> Result
 					commits.insert(c);
 				});
 		}
+	}
 
 	let commits = commits
 		.into_iter()
 		.sorted_by_cached_key(|a| Reverse(a.time))
 		.collect_vec();
 
-	Ok(commits)
+	Ok((repos.len(), commits))
 }