{"record":{"id":"f77727d0bc8e6c06","repo":"JuliusBrussee/caveman","slug":"githubapp-get-repo-installation-s-s-http-d","errorCode":null,"errorMessage":"githubapp: get repo installation %s/%s: HTTP %d: %s","messagePattern":"githubapp: get repo installation (.+?)/(.+?): HTTP (.+?): (.+?)","errorType":"http","errorClass":null,"httpStatus":null,"severity":"error","filePath":"shared/platform/githubapp/githubapp.go","lineNumber":285,"sourceCode":"\treturn r, nil\n}\n\n// GetRepoInstallation asks GitHub which installation of this App owns access to\n// a repository. This avoids treating public repository visibility as proof that\n// a caller-supplied installation id is authorized for that repository.\nfunc (a *App) GetRepoInstallation(ctx context.Context, owner, name string) (Installation, error) {\n\tvar out Installation\n\tjwt, err := a.AppJWT()\n\tif err != nil {\n\t\treturn out, err\n\t}\n\tstatus, raw, err := a.do(ctx, \"Bearer \"+jwt, http.MethodGet,\n\t\t\"/repos/\"+url.PathEscape(owner)+\"/\"+url.PathEscape(name)+\"/installation\", nil)\n\tif err != nil {\n\t\treturn out, err\n\t}\n\tif status != http.StatusOK {\n\t\treturn out, fmt.Errorf(\"githubapp: get repo installation %s/%s: HTTP %d: %s\", owner, name, status, snippet(raw))\n\t}\n\tif err := json.Unmarshal(raw, &out); err != nil {\n\t\treturn out, fmt.Errorf(\"githubapp: decode repo installation: %w\", err)\n\t}\n\tif out.ID <= 0 {\n\t\treturn Installation{}, fmt.Errorf(\"githubapp: repo installation response carried no id\")\n\t}\n\treturn out, nil\n}\n\n// GetFileContent reads one repository file with an installation token. The\n// content endpoint returns base64; callers receive decoded bytes with a strict\n// 64 KiB post-decode ceiling because connection proofs are tiny text files.\nfunc (a *App) GetFileContent(ctx context.Context, token, owner, name, path, ref string) ([]byte, error) {\n\tsegments := strings.Split(strings.Trim(path, \"/\"), \"/\")\n\tif len(segments) == 0 || segments[0] == \"\" {\n\t\treturn nil, fmt.Errorf(\"githubapp: content path is required\")\n\t}","sourceCodeStart":267,"sourceCodeEnd":303,"githubUrl":"https://github.com/JuliusBrussee/caveman/blob/766dce6b1394ebb56a3090748d5a0240a5aefb36/shared/platform/githubapp/githubapp.go#L267-L303","documentation":"Fires in GetRepoInstallation() when GET /repos/{owner}/{name}/installation (App-JWT authenticated) returns non-200 — typically 404 because this App is not installed on that repository. This check prevents treating public visibility as proof of authorization.","triggerScenarios":"Thrown at shared/platform/githubapp/githubapp.go:285 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["If 404, the App is not installed on the repo: direct the user through the install flow","Retry on transient 5xx; verify the owner/name are correct"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"766dce6b1394ebb56a3090748d5a0240a5aefb36","analyzedAt":"2026-08-18T03:14:35.516Z","contentChangedAt":"2026-08-18T03:14:35.516Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}