Merge pull request #57 from rluetzner/main

add support for RESTIC_PASSWORD env variable

src/args.rs

@@ -30,6 +30,8 @@ impl Args {
                 Password::Command(command)
             } else if let Some(file) = cli.password_file {
                 Password::File(file)
+            } else if let Some(str) = cli.restic_password {
+                Password::Plain(str)
             } else {
                 unreachable!("Error in Config: neither password_command nor password_file found. Please open an issue if you see this.")
             },
@@ -84,7 +86,7 @@ impl Args {
 #[command(group(
     ArgGroup::new("password")
         .required(true)
-        .args(["password_command", "password_file"]),
+        .args(["password_command", "password_file", "restic_password"]),
 ))]
 struct Cli {
     #[arg(short = 'r', long, env = "RESTIC_REPOSITORY")]
@@ -99,6 +101,9 @@ struct Cli {
     #[arg(long, value_name = "FILE", env = "RESTIC_PASSWORD_FILE")]
     password_file: Option<String>,
 
+    #[arg(value_name = "RESTIC_PASSWORD", env = "RESTIC_PASSWORD")]
+    restic_password: Option<String>,
+
     ///  How many restic subprocesses to spawn concurrently.
     ///
     /// If you get ssh-related errors or too much memory use try lowering this.

src/restic.rs

@@ -110,6 +110,8 @@ pub enum Repository {
 
 #[derive(Debug)]
 pub enum Password {
+    /// A plain string (restic: RESTIC_PASSWORD env variable)
+    Plain(String),
     /// A password command (restic: --password-command)
     Command(String),
     /// A password file (restic: --password-file)
@@ -216,6 +218,8 @@ impl Restic {
             Password::Command(command) =>
                 cmd.arg("--password-command").arg(command),
             Password::File(file) => cmd.arg("--password-file").arg(file),
+            // Nothing to do, the password is given as an env variable already.
+            Password::Plain(_str) => &cmd,
         };
         if self.no_cache {
             cmd.arg("--no-cache");