From 853680633f56c29832198c85937ab39d9eafee72 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <matthias.beyer@atos.net>
Date: Thu, 8 Apr 2021 20:24:59 +0200
Subject: Add subcommand to get path to source file

Signed-off-by: Matthias Beyer <matthias.beyer@atos.net>
---
 src/cli.rs             | 18 ++++++++++++++++++
 src/commands/source.rs | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)

diff --git a/src/cli.rs b/src/cli.rs
index 1473164..c43cc0e 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -691,6 +691,24 @@ pub fn cli<'a>() -> App<'a> {
                     .about("Overwrite existing cache entry")
                 )
             )
+            .subcommand(App::new("of")
+                .version(crate_version!())
+                .about("Get the pathes of the sources of a package")
+                .arg(Arg::new("package_name")
+                    .required(false)
+                    .multiple(false)
+                    .index(1)
+                    .value_name("PKG")
+                    .about("Get the source file pathes for this package")
+                )
+                .arg(Arg::new("package_version")
+                    .required(false)
+                    .multiple(false)
+                    .index(2)
+                    .value_name("VERSION")
+                    .about("Get the source file pathes for the package in this version")
+                )
+            )
         )
 
         .subcommand(App::new("release")
diff --git a/src/commands/source.rs b/src/commands/source.rs
index 7f4a1bb..0267673 100644
--- a/src/commands/source.rs
+++ b/src/commands/source.rs
@@ -42,6 +42,7 @@ pub async fn source(
         Some(("list-missing", matches)) => list_missing(matches, config, repo).await,
         Some(("url", matches)) => url(matches, repo).await,
         Some(("download", matches)) => download(matches, config, repo, progressbars).await,
+        Some(("of", matches)) => of(matches, config, repo).await,
         Some((other, _)) => return Err(anyhow!("Unknown subcommand: {}", other)),
         None => return Err(anyhow!("No subcommand")),
     }
@@ -306,3 +307,48 @@ pub async fn download(
     let (r, _) = tokio::join!(r, multibar_block);
     r
 }
+
+async fn of(
+    matches: &ArgMatches,
+    config: &Configuration,
+    repo: Repository,
+) -> Result<()> {
+    let cache = PathBuf::from(config.source_cache_root());
+    let sc = SourceCache::new(cache);
+    let pname = matches
+        .value_of("package_name")
+        .map(String::from)
+        .map(PackageName::from);
+    let pvers = matches
+        .value_of("package_version")
+        .map(PackageVersionConstraint::try_from)
+        .transpose()?;
+
+    repo.packages()
+        .filter(|p| pname.as_ref().map(|n| p.name() == n).unwrap_or(true))
+        .filter(|p| {
+            pvers
+                .as_ref()
+                .map(|v| v.matches(p.version()))
+                .unwrap_or(true)
+        })
+        .map(|p| {
+            let pathes = sc.sources_for(p)
+                .into_iter()
+                .map(|source| source.path())
+                .collect::<Vec<PathBuf>>();
+
+            (p, pathes)
+        })
+        .fold(Ok(std::io::stdout()), |out, (package, pathes)| {
+            out.and_then(|mut out| {
+                writeln!(out, "{} {}", package.name(), package.version())?;
+                for path in pathes {
+                    writeln!(out, "\t{}", path.display())?;
+                }
+
+                Ok(out)
+            })
+        })
+        .map(|_| ())
+}
-- 
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