{"record":{"id":"356fb25adebe4300","repo":"nikivdev/code","slug":"this-repo-is-not-a-jj-workspace-run-jj-git-init","errorCode":null,"errorMessage":"This repo is not a jj workspace. Run `jj git init --colocate` in {} and retry.","messagePattern":"This repo is not a jj workspace\\. Run `jj git init --colocate` in (.+?) and retry\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/vcs.rs","lineNumber":46,"sourceCode":"    }\n\n    let git_dir = path.join(\".git\");\n    if git_dir.exists() {\n        let status = Command::new(\"jj\")\n            .current_dir(path)\n            .args([\"git\", \"init\", \"--colocate\"])\n            .stdout(std::process::Stdio::null())\n            .stderr(std::process::Stdio::null())\n            .status()\n            .context(\"failed to run jj git init --colocate\")?;\n        if status.success() {\n            if let Ok(root) = try_jj_root(path) {\n                return Ok(root);\n            }\n        }\n    }\n\n    bail!(\n        \"This repo is not a jj workspace. Run `jj git init --colocate` in {} and retry.\",\n        path.display()\n    );\n}\n\npub fn jj_root_if_exists(path: &Path) -> Option<PathBuf> {\n    let output = Command::new(\"jj\")\n        .current_dir(path)\n        .arg(\"root\")\n        .output()\n        .ok()?;\n    if !output.status.success() {\n        return None;\n    }\n    let root = String::from_utf8_lossy(&output.stdout).trim().to_string();\n    if root.is_empty() {\n        None\n    } else {","sourceCodeStart":28,"sourceCodeEnd":64,"githubUrl":"https://github.com/nikivdev/code/blob/a747e741ae92c09071d0ae946ab48488adcff1ce/src/vcs.rs#L28-L64","documentation":"ensure_jj_repo_in walks up from the given path looking for a jj workspace root (via try_jj_root / jj_root_if_exists). If no jj workspace is found, it bails with this error telling the user to initialize one with `jj git init --colocate`. It guards all downstream jj operations that require an existing workspace.","triggerScenarios":"Calling ensure_jj_repo_in(path) (or ensure_jj_repo(), which passes the current directory) where neither the path nor any ancestor is a jj workspace — i.e. `jj root` fails at every level up the tree.","commonSituations":"Running the tool in a plain git repo that was never colocated with jj (no `jj git init --colocate` was run); running from a scratch/tmp directory; pointing the config at the wrong project path; jj workspace was deleted or the .jj directory was removed/gitignored; running inside a git worktree that jj does not recognize.","solutions":["Run `jj git init --colocate` in the directory named in the error message to create a colocated git+jj workspace, then retry.","cd into the correct project directory (one that is already a jj workspace) before running, or fix the configured path.","If it's an existing git repo you want to keep: `jj git init --colocate` in that repo converts it in place without losing history.","Verify `jj root` succeeds manually in the target directory to confirm the workspace is detected."],"exampleFix":"// before\n$ mytool sync\nError: This repo is not a jj workspace. Run `jj git init --colocate` in /home/me/project and retry.\n// after\n$ cd /home/me/project\n$ jj git init --colocate\n$ mytool sync","handlingStrategy":"validation","validationCode":"use std::path::Path;\nfn is_jj_workspace(dir: &Path) -> bool {\n    dir.join(\".jj\").exists() || std::env::var(\"JJ_WORKSPACE\").is_ok()\n}\n// before calling:\nlet dir = Path::new(\"/home/me/project\");\nif !is_jj_workspace(dir) {\n    eprintln!(\"Run `jj git init --colocate` in {} first\", dir.display());\n    std::process::exit(1);\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Always run `jj git init --colocate` when converting an existing git repo before using jj-based tooling","Verify `jj root` succeeds in your project directory before running tools that depend on jj","Store absolute, existing workspace paths in tool configuration","Beware git worktrees and submodules — ensure the checkout you run from is itself jj-initialized"],"tags":["vcs","jj","workspace","initialization"],"backgroundTag":"repo-not-initialized","analyzedSha":"a747e741ae92c09071d0ae946ab48488adcff1ce","analyzedAt":"2026-09-01T22:43:55.719Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}