Allow containers to be pulled

src/compose.rs

@@ -1,6 +1,5 @@
-use std::io::Result;
 use std::path::{Path, PathBuf};
-use std::process::{Command, Output};
+use std::process::Command;
 
 pub struct ComposeProject {
     compose_file: PathBuf,
@@ -19,16 +18,12 @@ impl ComposeProject {
             .expect("Failed to get parent of compose file")
     }
 
-    fn execute_in_dir(&self, command: &str, arguments: &[&str]) -> Result<Output> {
-        Command::new(command)
+    pub fn pull(&self) -> bool {
+        Command::new("docker-compose")
             .current_dir(self.working_directory())
-            .args(arguments)
-            .output()
-    }
-
-    fn docker_compose(&self, arguments: &[&str])-> Result<Output> {
-        let mut compose_arguments = vec!["-f", self.compose_file.to_str().expect("Path parse failed")];
-        compose_arguments.extend_from_slice(arguments);
-        self.execute_in_dir("docker-compose", compose_arguments.as_slice())
+            .args(&["-f", &self.compose_file.to_string_lossy()])
+            .arg("pull")
+            .status()
+            .is_ok()
     }
 }

src/main.rs

@@ -22,7 +22,9 @@ fn get_files(files: &[String]) -> Option<Vec<PathBuf>> {
     for file in files {
         for path in glob(&file).ok()?.filter_map(Result::ok) {
             if path.is_file() {
-                all_files.push(path);
+                if let Ok(canonical_path) = path.canonicalize() {
+                    all_files.push(canonical_path);
+                }
             }
         }
     }
@@ -30,6 +32,10 @@ fn get_files(files: &[String]) -> Option<Vec<PathBuf>> {
     Some(all_files)
 }
 
+fn do_update(compose_project: compose::ComposeProject) {
+    compose_project.pull();
+}
+
 fn main() {
     let opts = Opt::from_args();
     env_logger::builder()
@@ -59,4 +65,8 @@ fn main() {
         .collect();
 
     info!("Found {} projects", compose_projects.len());
+
+    for compose_project in compose_projects {
+        do_update(compose_project);
+    }
 }