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Show dependency failure tree when command chain fails #296

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Merged
kindermax merged 8 commits into from
Mar 14, 2026
Merged

Show dependency failure tree when command chain fails #296

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f0ec78e
Add dependency failure tree design spec
kindermax Mar 13, 2026
5081a68
Add DependencyError type with chain tracking and tree rendering
kindermax Mar 14, 2026
d0a11c7
Fix prependToChain mutation, tighten test assertions
kindermax Mar 14, 2026
3b9a666
Wrap executor errors with prependToChain for dependency tree tracking
kindermax Mar 14, 2026
9c82674
Print dependency failure tree in main.go error handler
kindermax Mar 14, 2026
4cff75c
Add bats integration test for dependency failure tree
kindermax Mar 14, 2026
fc05219
Update changelog for dependency failure tree feature
kindermax Mar 14, 2026
bb3d7e4
Add ExitCode propagation test with real exec.ExitError
kindermax Mar 14, 2026
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5 changes: 5 additions & 0 deletions cmd/lets/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import (
"github.com/lets-cli/lets/internal/cmd"
"github.com/lets-cli/lets/internal/config"
"github.com/lets-cli/lets/internal/env"
"github.com/lets-cli/lets/internal/executor"
"github.com/lets-cli/lets/internal/logging"
"github.com/lets-cli/lets/internal/set"
"github.com/lets-cli/lets/internal/upgrade"
Expand Down Expand Up @@ -119,6 +120,10 @@ func main() {
}

if err := rootCmd.ExecuteContext(ctx); err != nil {
var depErr *executor.DependencyError
if errors.As(err, &depErr) {
executor.PrintDependencyTree(depErr, os.Stderr)
}
log.Error(err.Error())
os.Exit(getExitCode(err, 1))
}
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2 changes: 1 addition & 1 deletion docs/docs/changelog.md
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ title: Changelog
* `[Changed]` Exit code 2 on unknown command.
* `[Added]` Expose `LETS_OS` and `LETS_ARCH` environment variables at command runtime.
* `[Removed]` Drop deprecated `eval_env` directive. Use `env` with `sh` execution mode instead.
* `[Fixed]` Evaluate `env` entries sequentially so `sh` values can reference previously resolved env keys (including global env for command-level env).
* `[Added]` When a command or its `depends` chain fails, print an indented tree to stderr showing the full chain with the failing command highlighted

## [0.0.59](https://github.com/lets-cli/lets/releases/tag/v0.0.59)

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