Add "compare" functionality in CLI

1 files changed, 31 insertions, 0 deletions

diff --git a/src/cli.rs b/src/cli.rs
index 25533cc..cf06dbe 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -90,6 +90,37 @@ pub fn build_cli<'a>() -> App<'a, 'a> {
                 .required(true))
 
         )
+
+        .subcommand(SubCommand::with_name("compare")
+            .about("Compare a list of packages to distro repositories")
+            .arg(Arg::with_name("compare-list")
+                .index(1)
+                .required(true)
+                .multiple(false)
+                .takes_value(true)
+                .value_name("FILE")
+                .help("Compare the data from this list to a list of distros out there. Supports JSON and CSV, based on file extension (.json / .csv)"))
+            .arg(Arg::with_name("compare-distros")
+                .index(2)
+                .required(true)
+                .multiple(true)
+                .takes_value(true)
+                .value_name("DIST")
+                .help("A list of repology distribution names to compare to"))
+
+            .after_help(r#"
+            Compare a list of packages to all supplied repology distributions.
+            The list of packages shall have the following format:
+
+            * CSV:
+                Header: name;version;comment
+
+            * JSON:
+                { "name": "...", "version": "...", "comment": "..." }
+
+            "#)
+        )
+
         .after_help(r#"
         repolocli can read data from stdin, if you want to postprocess repology.org data you already
         fetched from repology.org/api/v1 via curl (or some other method).