diff options
Diffstat (limited to 'lua')
| -rw-r--r-- | lua/nvim-treesitter/shell_command_selectors.lua | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lua/nvim-treesitter/shell_command_selectors.lua b/lua/nvim-treesitter/shell_command_selectors.lua index 9622f5801..f95c84ae8 100644 --- a/lua/nvim-treesitter/shell_command_selectors.lua +++ b/lua/nvim-treesitter/shell_command_selectors.lua @@ -289,6 +289,31 @@ function M.select_download_commands(repo, project_name, cache_folder, revision, local git_folder = utils.join_path(cache_folder, project_name) local clone_error = "Error during download, please verify your internet connection" + -- Running `git clone` or `git checkout` while running under Git (such as + -- editing a `git commit` message) will likely fail to install parsers + -- (such as 'gitcommit') and can also corrupt the index file of the current + -- Git repository. Check for typical git environemnt variables and abort if found. + for _, k in pairs { + "GIT_ALTERNATE_OBJECT_DIRECTORIES", + "GIT_CEILING_DIRECTORIES", + "GIT_DIR", + "GIT_INDEX", + "GIT_INDEX_FILE", + "GIT_OBJECT_DIRECTORY", + "GIT_PREFIX", + "GIT_WORK_TREE", + } do + if vim.uv.os_getenv(k) then + vim.api.nvim_err_writeln( + string.format( + "Cannot install %s with git in an active git session. Exit the session and run ':TSInstall %s' manually", + project_name + ) + ) + return {} + end + end + return { { cmd = "git", |