panic: runtime error: Index out of range [-1]

[eimantas-gecas-axomic]

---
version: 1
description: Lint terraform config
type: Terraform12
files:
  - "env/aws/dev/main.tf"
rules:

  - id: root_resource_naming_convention
    message: "Root resource name must end with the region name"
    category: resource
    severity: FAILURE
    assertions:
      - key: __name__
        op: regex
        value: ".*(us_east_1|us_east_2|us_west_1|us_west_2|af_south_1|ap_east_1|ap_south_1|ap_northeast_1|ap_northeast_2|ap_southeast_1|ap_southeast_2|ca_central_1|eu_central_1|eu_west_1|eu_west_2|eu_west_3|eu_south_1|eu_north_1|me_south_1|sa_east_1)$"

config-lint -debug -rules .configlint/root.yml env/aws/dev
Exclude patterns: []
Filenames to scan: [env/aws/dev/backend.tf env/aws/dev/data.tf env/aws/dev/main.tf env/aws/dev/providers.tf env/aws/dev/terragrunt.hcl env/aws/dev/variables.tf env/aws/dev/versions.tf]
panic: runtime error: index out of range [-1]

goroutine 1 [running]:
github.com/stelligent/config-lint/linter/tf12parser.(*Parser).ParseMany(0xc0001e8b68, 0x0, 0x0, 0x0, 0xc0001e8b00, 0x1009de3, 0x1640140, 0x1612c20, 0x108a301)
	/home/runner/work/config-lint/config-lint/linter/tf12parser/parser.go:48 +0x3eb
github.com/stelligent/config-lint/linter.loadHCLv2(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	/home/runner/work/config-lint/config-lint/linter/terraform_v12.go:88 +0x172
github.com/stelligent/config-lint/linter.Terraform12ResourceLoader.LoadMany(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	/home/runner/work/config-lint/config-lint/linter/terraform_v12.go:68 +0x9f
github.com/stelligent/config-lint/linter.FileLinter.Validate(0xc0000fec00, 0x7, 0x8, 0x1923de0, 0xc000209ec0, 0x192b260, 0x1d0b4e8, 0xc000370ea0, 0xb, 0xc0000c1a40, ...)
	/home/runner/work/config-lint/config-lint/linter/file_linter.go:50 +0x1d4
main.applyRules(0xc000364140, 0x1, 0x1, 0xc0000ac040, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, ...)
	/home/runner/work/config-lint/config-lint/cli/app.go:340 +0x555
main.main()
	/home/runner/work/config-lint/config-lint/cli/app.go:157 +0x67e

This only happens if I set the files to a path

[eimantas-gecas-axomic]

Also seems to happen if you point config-lint at a directory without any .tf files