Some fixes and updates

Signed-off-by: Nikolai Rodionov <nikolai.rodionov@onpier.de>

example/helmule.yaml

@@ -4,10 +4,17 @@ repositories:
       url: https://grafana.github.io/helm-charts
 
 charts:
-  - name: k8s-monitoring
+  - name: mimir-distributed
     repository: grafana
+    patches:
+      - name: vendor-deps
     mirrors:
       - custom-command
+patches:
+  - name: vendor-deps
+    custom_command:
+      commands:
+        - yq -i '.dependencies[].repository = "file://charts"' Chart.yaml
 mirrors:
   - name: custom-commands
     custom_command:

src/git.rs

@@ -90,7 +90,7 @@ impl Git {
             let _ = self.exec(cmd, git_opts.workdir.clone())?;
         }
         let cmd = format!(
-            "{} diff --staged --quiet || {} -C {} commit -m \"{}\"",
+            "{} diff --cached --quiet || {} -C {} commit -m \"{}\"",
             git_opts.bin, git_opts.bin, self.repo_path, opts.message
         );
         match self.exec(cmd, git_opts.workdir.clone()) {

src/helm/chart.rs

@@ -20,6 +20,10 @@ pub(crate) fn latest() -> String {
     "latest".to_string()
 }
 
+pub(crate) fn def_false() -> bool {
+    false
+}
+
 impl Chart {
     pub fn find_repo(
         &self,

src/main.rs

@@ -1,6 +1,7 @@
 use clap::Parser;
 use cli::{check_prerequisites, get_full_path_dir};
-use config::{read_config, Config, ConfigImpl};
+use config::{read_config, ChartExtended, Config, ConfigImpl};
+use helm::chart::Chart;
 use output::{message_empty, message_error};
 use std::{error::Error, process::exit};
 
@@ -24,6 +25,12 @@ struct Args {
     /// Name of the working dir
     #[arg(short, long)]
     workdir: Option<String>,
+    /// Configure the chart section from cli
+    /// If only one chart is needed
+    #[arg(long)]
+    chart: Option<String>,
+    #[arg(long)]
+    version_override: Option<String>,
     /// Path to the configuration file
     #[arg(short, long)]
     config: String,
@@ -53,12 +60,26 @@ fn exec(args: Args) -> Result<(), Box<dyn Error>> {
     let workdir_path = workdir::setup_workdir(args.workdir)?;
     let mut config: Config = read_config(args.config.clone())?;
     let config_full_path = get_full_path_dir(args.config.clone())?;
+    if let Some(chart_arg) = args.chart {
+        config.charts = config.charts.into_iter().filter(|chart| chart.chart.name == chart_arg).collect::<Vec<ChartExtended>>();
+        if let Some(version_arg) = args.version_override {
+            config.charts.iter_mut()
+                .for_each(|chart| chart.chart.version = version_arg.clone());
+        };
+    };
     config.apply_includes(config_full_path.clone())?;
     config
         .charts
         .into_iter()
         .try_for_each(|mut chart| -> Result<(), Box<dyn Error>> {
             chart.populate_variables(config.variables.clone());
+            let mut chart_mirrors = config.mirrors.clone();
+            chart_mirrors.retain(|mirror| mirror.check_chart(&chart) == false);
+
+            if chart_mirrors.is_empty() {
+                output::message_info(&format!("mirrors are up-to-date for {}", chart.chart.name.clone()));
+                return Ok(());
+            }
             // First step is to pull the chart to the working dir
             let current_repo = chart.chart.find_repo(config.repositories.clone())?;
             let chart_path = current_repo.pull_chart(chart.chart.clone(), workdir_path.clone())?;
@@ -77,16 +98,18 @@ fn exec(args: Args) -> Result<(), Box<dyn Error>> {
                         patch.apply(chart_path.clone(), config.patches.clone())
                     })?
             }
-            config
-                .mirrors
+            chart_mirrors
                 .iter()
                 .try_for_each(|mirror| -> Result<(), Box<dyn Error>> {
+                    if chart.chart.mirrors.contains(&mirror.name) {
                         mirror_from_mirror_obj(mirror.clone())?.push(
                             workdir_path.clone(),
                             chart_path.clone(),
                             chart.clone(),
                             args.dry_run,
-                    )
+                        )?
+                    };
+                    Ok(())
                 })?;
             message_empty(&format!("{}", chart.chart.name));
             Ok(())

src/mirror/mod.rs

@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-use crate::config::ChartExtended;
+use crate::{cli::{self, cli_exec, cli_exec_from_dir}, config::ChartExtended, output::message_info, template::render};
 
 pub(crate) mod custom_command;
 pub(crate) mod git;
@@ -20,6 +20,26 @@ pub(crate) struct Mirror {
     pub(crate) name: String,
     pub(crate) git: Option<git::GitMirror>,
     pub(crate) custom_command: Option<CustomCommandsMirror>,
+    pub(crate) check: Option<String>,
+}
+
+impl Mirror {
+    pub(crate) fn check_chart(&self, chart_local: &ChartExtended) -> bool {
+        match &self.check {
+            Some(check_cmd) => {
+                let cmd = match render(check_cmd.to_string(), chart_local) {
+                    Ok(res) => res,
+                    Err(_) => return false,
+                };
+                message_info(&format!("checking the mirror {}", self.name.clone()));
+                match cli_exec(cmd.clone()) {
+                    Ok(_) => return true,
+                    Err(_) => return false,
+                }
+            },
+            None => false,
+        }
+    }
 }
 
 #[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]