Investigate panic in stack generation

[yhakbar]

Describe the bug

@denis256

Take a look at the following panic that popped up in our tests:

=== NAME  TestStacksGenerateRemote
    integration_stacks_test.go:65: Failed to run Terragrunt command 'terragrunt stack generate --experiment stacks --terragrunt-working-dir /tmp/terragrunt-test3979462613/fixtures/stacks/remote' due to error: *errors.errorString error downloading 'https://github.com/gruntwork-io/terragrunt.git?ref=main': /usr/bin/git exited with -1: Cloning into '/tmp/getter2235932958/temp'...
        Updating files:   3% (76/2198)
Updating files:   3% (85/2198)
Updating files:   4% (88/2198)
Updating files:   5% (110/2198)
Updating files:   5% (126/2198)
Updating files:   6% (132/2198)
Updating files:   7% (154/2198)
Updating files:   8% (176/2198)
Updating files:   8% (196/2198)
Updating files:   9% (198/2198)
Updating files:  10% (220/2198)
Updating files:  11% (242/2198)
Updating files:  12% (264/2198)
Updating files:  13% (286/2198)
Updating files:  13% (291/2198)
Updating files:  14% (308/2198)
Updating files:  14% (310/2198)
Updating files:  15% (330/2198)
Updating files:  16% (352/2198)
Updating files:  17% (374/2198)
Updating files:  18% (396/2198)
Updating files:  19% (418/2198)
Updating files:  19% (430/2198)
Updating files:  20% (440/2198)
Updating files:  21% (462/2198)
Updating files:  22% (484/2198)
Updating files:  23% (506/2198)
Updating files:  23% (512/2198)
Updating files:  24% (528/2198)
Updating files:  25% (550/2198)
Updating files:  26% (572/2198)
Updating files:  27% (594/2198)
Updating files:  28% (616/2198)
Updating files:  28% (620/2198)
Updating files:  29% (638/2198)
Updating files:  30% (660/2198)
Updating files:  31% (682/2198)
Updating files:  32% (704/2198)

        /home/circleci/project/cli/commands/stack/action.go:134 (0x1c44896)
        	processStackFile: return errors.New(err)
        /home/circleci/project/cli/commands/stack/action.go:70 (0x1c43eca)
        	generateStack: if err := processStackFile(ctx, opts, stackFile); err != nil {
        /home/circleci/project/cli/commands/stack/action.go:36 (0x1c43a98)
        	RunGenerate: return generateStack(ctx, opts)
        /home/circleci/project/cli/commands/stack/command.go:33 (0x1c45725)
        	NewCommand.func1: return RunGenerate(ctx.Context, opts.OptionsFromContext(ctx))
        /home/circleci/project/cli/app.go:236 (0x208b967)
        	runAction.func2: return action(cliCtx)
        /home/circleci/go/pkg/mod/golang.org/x/[email protected]/errgroup/errgroup.go:78 (0x1715c70)
        	(*Group).Go.func1: if err := f(); err != nil {
        /usr/local/go/src/runtime/asm_amd64.s:1700 (0x47f6a1)
        	goexit: BYTE	$0x90	// NOP
        
        
        Stdout: (see log output above)
        
        Stderr: (see log output above)
--- FAIL: TestStacksGenerateRemote (33.24s)

Let's confirm that there isn't a serious issue there.

Steps To Reproduce

I'm not sure. It just popped up in CI.

Expected behavior

No panics in tests.

Nice to haves

• Terminal output
• Screenshots

Versions

Happened while running tests for #3810.

• Terragrunt version: Whatever is in CI
• OpenTofu/Terraform version: Whatever is in CI
• Environment details (Ubuntu 20.04, Windows 10, etc.): CI

Additional context

Add any other context about the problem here.

[denis256]

Most probably issue with cloning large repos, will take a look 🤔