fix(#298): Don't throw error if no Helm repository found (#305)

Cargo.lock

@@ -1061,24 +1061,14 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.14"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+checksum = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de"
 dependencies = [
  "libc",
  "log",
- "miow",
+ "wasi 0.11.0+wasi-snapshot-preview1",
- "ntapi",
+ "windows-sys",
- "winapi",
-]
-
-[[package]]
-name = "miow"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
-dependencies = [
- "winapi",
 ]
 
 [[package]]
@@ -1120,15 +1110,6 @@ dependencies = [
  "zvariant_derive",
 ]
 
-[[package]]
-name = "ntapi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -2003,19 +1984,18 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.8.5"
+version = "1.18.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdc46ca74dd45faeaaf96a8fbe2406f425829705ee62100ccaa9b34a2145cff8"
+checksum = "8bfb875c82dc0a4f1f37a30e720dee181a2b3a06a428b0fc6873ea38d6407850"
 dependencies = [
- "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "pin-project-lite",
  "signal-hook-registry",
+ "socket2",
  "winapi",
 ]
 

Cargo.toml

@@ -39,7 +39,7 @@ strum = { version = "~0.24", features = ["derive"] }
 thiserror = "~1.0"
 tempfile = "~3.2"
 cfg-if = "~1.0"
-tokio = { version = "~1.8", features = ["process", "rt-multi-thread"] }
+tokio = { version = "~1.18", features = ["process", "rt-multi-thread"] }
 futures = "~0.3"
 regex = "~1.5"
 semver = "~1.0"

src/steps/generic.rs

@@ -10,7 +10,7 @@ use color_eyre::eyre::Context;
 use color_eyre::eyre::Result;
 use directories::BaseDirs;
 use tempfile::tempfile_in;
-use tracing::debug;
+use tracing::{debug, error};
 
 use crate::command::{CommandExt, Utf8Output};
 use crate::execution_context::ExecutionContext;
@@ -18,7 +18,7 @@ use crate::executor::{ExecutorOutput, RunType};
 use crate::terminal::{print_separator, shell};
 use crate::utils::{self, require_option, PathExt};
 use crate::{
-    error::{SkipStep, TopgradeError},
+    error::{SkipStep, StepFailed, TopgradeError},
     terminal::print_warning,
 };
 
@@ -591,5 +591,24 @@ pub fn run_helm_repo_update(run_type: RunType) -> Result<()> {
     let helm = utils::require("helm")?;
 
     print_separator("Helm");
-    run_type.execute(helm).arg("repo").arg("update").status_checked()
+
+    let no_repo = "no repositories found";
+    let mut success = true;
+    let mut exec = run_type.execute(helm);
+    if let Err(e) = exec.arg("repo").arg("update").status_checked() {
+        error!("Updating repositories failed: {}", e);
+        success = match exec.output_checked_utf8() {
+            Ok(s) => s.stdout.contains(no_repo) || s.stderr.contains(no_repo),
+            Err(e) => match e.downcast_ref::<TopgradeError>() {
+                Some(TopgradeError::ProcessFailedWithOutput(_, _, stderr)) => stderr.contains(no_repo),
+                _ => false,
+            },
+        };
+    }
+
+    if success {
+        Ok(())
+    } else {
+        Err(eyre!(StepFailed))
+    }
 }