Basic support for cloning public projects (#10)

- Clone a project given its id, namespace/slug or full url
- Write a `.renku/config.toml` file containing the identifying information

.github/CODEOWNERS

@@ -0,0 +1 @@
+*    @SwissDataScienceCenter/renku-python-maintainers @SwissDataScienceCenter/renku-graph-maintainers

.github/workflows/ci.yml

@@ -61,9 +61,12 @@ jobs:
           command: run
           args: --release --features user-doc -- user-doc ./docs
 
+  # check installer on main only, as we reach the github api limit too
+  # quickly
   check-installer:
     name: "check installer"
     runs-on: ${{ matrix.os }}
+    if: github.ref == 'refs/heads/main'
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest]

Cargo.toml

@@ -27,6 +27,10 @@ snafu = { version = "0.8.4" }
 tokio = { version = "1", features = ["full"] }
 futures = { version = "0.3" }
 regex = { version = "1.10.5" }
+iso8601-timestamp = { version = "0.2.17" }
+toml = { version = "0.8.12" }
+git2 = "0.19.0"
+url = { version = "2.5.1" }
 comrak = { version = "0.24.1", optional = true }
 
 [features]

flake.nix

@@ -173,7 +173,7 @@
 
         # Additional dev-shell environment variables can be set directly
         # MY_CUSTOM_DEVELOPMENT_VAR = "something else";
-        RENKU_CLI_RENKU_URL = "https://ci-renku-3668.dev.renku.ch";
+        RENKU_CLI_RENKU_URL = "https://ci-renku-3689.dev.renku.ch";
 
         # Enable mold https://github.com/rui314/mold
         CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER = "${pkgs.clang}/bin/clang";
@@ -186,6 +186,8 @@
         # Extra inputs can be added here; cargo and rustc are provided by default.
         packages = with pkgs; [
           cargo-edit
+          cargo-expand
+          tokio-console
           fenixToolChain.rust-analyzer
           fenixToolChain.rustfmt
         ];

src/cli.rs

@@ -2,6 +2,7 @@ pub mod cmd;
 pub mod opts;
 pub mod sink;
 
+use self::cmd::project::Error as ProjectError;
 use self::cmd::{CmdError, Context};
 use self::opts::{MainOpts, SubCommand};
 use clap::CommandFactory;
@@ -18,10 +19,14 @@ pub async fn execute_cmd(opts: MainOpts) -> Result<(), CmdError> {
             let mut app = MainOpts::command();
             input.print_completions(&mut app).await;
         }
-        SubCommand::Project(input) => input.exec(&ctx).await?,
+        SubCommand::Project(input) => input.exec(ctx).await?,
+        SubCommand::Clone(input) => input
+            .exec(ctx)
+            .await
+            .map_err(|source| ProjectError::Clone { source })?,
 
         #[cfg(feature = "user-doc")]
-        SubCommand::UserDoc(input) => input.exec(&ctx).await?,
+        SubCommand::UserDoc(input) => input.exec(ctx).await?,
     };
     Ok(())
 }

src/cli/cmd.rs

@@ -6,51 +6,64 @@ pub mod version;
 
 use super::sink::{Error as SinkError, Sink};
 use crate::cli::opts::{CommonOpts, ProxySetting};
+use crate::data::renku_url::RenkuUrl;
 use crate::httpclient::{self, proxy, Client};
 use serde::Serialize;
 use snafu::{ResultExt, Snafu};
 
 const RENKULAB_IO: &str = "https://renkulab.io";
 
-pub struct Context<'a> {
-    pub opts: &'a CommonOpts,
+pub struct Context {
+    pub opts: CommonOpts,
     pub client: Client,
-    pub renku_url: String,
 }
 
-impl Context<'_> {
+impl Context {
     pub fn new(opts: &CommonOpts) -> Result<Context, CmdError> {
-        let base_url = get_renku_url(opts);
-        let client = Client::new(&base_url, proxy_settings(opts), &None, false)
-            .context(ContextCreateSnafu)?;
+        let base_url = get_renku_url(opts)?;
+        let client =
+            Client::new(base_url, proxy_settings(opts), None, false).context(ContextCreateSnafu)?;
         Ok(Context {
-            opts,
+            opts: opts.clone(),
             client,
-            renku_url: base_url,
         })
     }
 
-    /// A short hand for `Sink::write(self.format(), value)`
+    pub fn renku_url(&self) -> &RenkuUrl {
+        self.client.base_url()
+    }
+
+    /// A short hand for `Sink::write_out(self.format(), value)`
     async fn write_result<A: Sink + Serialize>(&self, value: &A) -> Result<(), SinkError> {
         let fmt = self.opts.format;
-        Sink::write(&fmt, value)
+        Sink::write_out(&fmt, value)
+    }
+
+    /// A short hand for `Sink::write_err(self.format(), value)`
+    async fn write_err<A: Sink + Serialize>(&self, value: &A) -> Result<(), SinkError> {
+        let fmt = self.opts.format;
+        Sink::write_err(&fmt, value)
     }
 }
 
-fn get_renku_url(opts: &CommonOpts) -> String {
+fn get_renku_url(opts: &CommonOpts) -> Result<RenkuUrl, CmdError> {
     match &opts.renku_url {
         Some(u) => {
             log::debug!("Use renku url from arguments: {}", u);
-            u.clone()
+            Ok(u.clone())
         }
         None => match std::env::var("RENKU_CLI_RENKU_URL").ok() {
             Some(u) => {
                 log::debug!("Use renku url from env RENKU_CLI_RENKU_URL: {}", u);
-                u
+                RenkuUrl::parse(&u).map_err(|e| CmdError::ContextCreate {
+                    source: httpclient::Error::UrlParse { source: e },
+                })
             }
             None => {
                 log::debug!("Use renku url: https://renkulab.io");
-                RENKULAB_IO.to_string()
+                RenkuUrl::parse(RENKULAB_IO).map_err(|e| CmdError::ContextCreate {
+                    source: httpclient::Error::UrlParse { source: e },
+                })
             }
         },
     }