{"record":{"id":"f498bab0111b9acc","repo":"hashicorp/packer","slug":"packer-could-not-read-the-fingerprint-from-git","errorCode":null,"errorMessage":"Packer could not read the fingerprint from git.","messagePattern":"Packer could not read the fingerprint from git\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/hcp/registry/hcp.go","lineNumber":129,"sourceCode":"}\n\nfunc withPackerEnvConfiguration(bucket *Bucket) hcl.Diagnostics {\n\t// Add default values for Packer settings configured via EnvVars.\n\t// TODO look to break this up to be more explicit on what is loaded here.\n\tbucket.LoadDefaultSettingsFromEnv()\n\n\treturn nil\n}\n\n// getGitSHA returns the HEAD commit for some template dir defined in baseDir.\n// If the base directory is not under version control an error is returned.\nfunc getGitSHA(baseDir string) (string, error) {\n\tr, err := git.PlainOpenWithOptions(baseDir, &git.PlainOpenOptions{\n\t\tDetectDotGit: true,\n\t})\n\n\tif err != nil {\n\t\treturn \"\", fmt.Errorf(\"Packer could not read the fingerprint from git.\")\n\t}\n\n\t// The config can be used to retrieve user identity. for example,\n\t// c.User.Email. Leaving in but commented because I'm not sure we care\n\t// about this identity right now. - Megan\n\t//\n\t// c, err := r.ConfigScoped(config.GlobalScope)\n\t// if err != nil {\n\t//      return \"\", fmt.Errorf(\"Error setting git scope\", err)\n\t// }\n\tref, err := r.Head()\n\tif err != nil {\n\t\t// If we get there, we're in a Git dir, but HEAD cannot be read.\n\t\t//\n\t\t// This may happen when there's no commit in the git dir.\n\t\treturn \"\", fmt.Errorf(\"Packer could not read a git SHA in directory %q: %s\", baseDir, err)\n\t}\n","sourceCodeStart":111,"sourceCodeEnd":147,"githubUrl":"https://github.com/hashicorp/packer/blob/eb36e3c3e48a036f3e8cc94087636ee72e1303c9/internal/hcp/registry/hcp.go#L111-L147","documentation":"HCP registry error from getGitSHA: go-git could not open a git repository for the template directory (PlainOpenWithOptions with DetectDotGit failed). The build fingerprint cannot be derived from the HEAD commit because the directory is not under version control or git metadata is unreadable.","triggerScenarios":"Thrown at internal/hcp/registry/hcp.go:129 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Run `git init` and make an initial commit in the template directory","Set HCP_PACKER_BUCKET_FINGERPRINT env var to supply the fingerprint manually","Clone your templates from their repository instead of copying files without .git"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"eb36e3c3e48a036f3e8cc94087636ee72e1303c9","analyzedAt":"2026-09-05T13:20:43.127Z","contentChangedAt":"2026-09-05T13:20:43.127Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}