feat(git): replace vim-fugitive with custom git module

2026-04-27 12:41:38 +02:00
parent 5a3e39574d
commit f55d7ac11d
13 changed files with 837 additions and 145 deletions
@@ -0,0 +1,78 @@
+local log = require("log")
+local repo = require("git.repo")
+
+local M = {}
+
+---@param opts { amend: boolean? }?
+function M.commit(opts)
+    local amend = opts and opts.amend or false
+    local path = vim.api.nvim_buf_get_name(0)
+    if path == "" then
+        path = vim.fn.getcwd()
+    end
+    local gitdir, worktree = repo.resolve(path)
+    if not gitdir or not worktree then
+        log.warning("not in a git repository")
+        return
+    end
+    local msg_path = vim.fs.joinpath(gitdir, "COMMIT_EDITMSG")
+
+    local initial = ""
+    if amend then
+        local result = vim.system(
+            { "git", "log", "-1", "--pretty=%B" },
+            { cwd = worktree, text = true }
+        ):wait()
+        if result.code == 0 then
+            initial = (result.stdout or ""):gsub("\n+$", "")
+        end
+    end
+
+    local f, err = io.open(msg_path, "w")
+    if not f then
+        log.error("failed to open %s: %s", msg_path, err or "")
+        return
+    end
+    f:write(initial)
+    f:close()
+
+    vim.cmd("edit " .. vim.fn.fnameescape(msg_path))
+    local buf = vim.api.nvim_get_current_buf()
+    vim.bo[buf].filetype = "gitcommit"
+
+    vim.api.nvim_create_autocmd("BufWriteCmd", {
+        buffer = buf,
+        callback = function()
+            local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
+            local fw, werr = io.open(msg_path, "w")
+            if not fw then
+                log.error("failed to write %s: %s", msg_path, werr or "")
+                return
+            end
+            fw:write(table.concat(lines, "\n"))
+            fw:close()
+            vim.bo[buf].modified = false
+
+            local cmd = { "git", "commit", "-F", msg_path }
+            if amend then
+                table.insert(cmd, "--amend")
+            end
+            local result = vim.system(cmd, { cwd = worktree, text = true })
+                :wait()
+            if result.code ~= 0 then
+                log.error(
+                    "git commit failed: %s",
+                    vim.trim(result.stderr or "")
+                )
+                return
+            end
+            local out = vim.trim(result.stdout or "")
+            if out ~= "" then
+                log.info("%s", out)
+            end
+            vim.api.nvim_buf_delete(buf, { force = true })
+        end,
+    })
+end
+
+return M