From 46932e5410c549036a6b2ee5feeb82eee5ef979a Mon Sep 17 00:00:00 2001
From: NicolasGB <ngou0210@gmail.com>
Date: Tue, 28 Apr 2026 17:27:31 +0200
Subject: [PATCH] feat(log/summary): Add `o` keymap from the summary that
 allows users to do the equivalent of `Jtabedit` of the file in under the
 cursor

---
 README.md           |  1 +
 lua/jj/cmd/init.lua |  2 ++
 lua/jj/cmd/log.lua  | 25 +++++++++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/README.md b/README.md
index fb6d3d2..5c08d69 100644
--- a/README.md
+++ b/README.md
@@ -545,6 +545,7 @@ revision via `jj diffedit`. Immutable revisions show an error on write.
             diff = "<S-d>",                   -- Diff file at this revision
             edit = "<CR>",                    -- Edit revision and open file
             edit_immutable = "<S-CR>",        -- Edit revision (ignore immutability) and open file
+            edit_file = "o",                  -- Open the file under cursor in a new tab like `:Jtabedit` would
         },
       },
       -- Status buffer keymaps (set to nil to disable)
diff --git a/lua/jj/cmd/init.lua b/lua/jj/cmd/init.lua
index 5c78b56..db10989 100644
--- a/lua/jj/cmd/init.lua
+++ b/lua/jj/cmd/init.lua
@@ -76,6 +76,7 @@ local split_module = require("jj.cmd.split")
 --- @field diff? string|string[]
 --- @field edit? string|string[]
 --- @field edit_immutable? string|string[]
+--- @field edit_file? string|string[]
 
 --- @class jj.cmd.bookmark
 --- @field prefix? string Prefix to append when creating a bookmark
@@ -185,6 +186,7 @@ M.config = {
 				diff = "<S-d>",
 				edit = "<CR>",
 				edit_immutable = "<S-CR>",
+				edit_file = "o",
 			},
 			split = "<C-s>",
 			tag_set = "<S-t>",
diff --git a/lua/jj/cmd/log.lua b/lua/jj/cmd/log.lua
index 70b723e..74903e1 100644
--- a/lua/jj/cmd/log.lua
+++ b/lua/jj/cmd/log.lua
@@ -938,6 +938,25 @@ function M.handle_summary_edit(revset, ignore_immut)
 	end, string.format("Error editing revset: `%s`", revset))
 end
 
+--- Handle edit action in summary tooltip but only for the file (like Jedit)
+--- Closes tooltip, edits the revision, and opens the file
+--- @param revset string The revision to edit
+function M.handle_summary_file_edit(revset)
+	local line = vim.api.nvim_get_current_line()
+	local filepath = parser.parse_file_info_from_status_line(line)
+	if not filepath then
+		utils.notify("No file found on this line", vim.log.levels.WARN)
+		return
+	end
+
+	-- Close the tooltip first
+	if terminal.state.tooltip_buf and vim.api.nvim_buf_is_valid(terminal.state.tooltip_buf) then
+		terminal.close_tooltip()
+	end
+
+	require("jj.file").open_target({ path = filepath.new_path, rev = revset, split = "tab" })
+end
+
 --- Get keymaps for summary tooltip
 --- @param revset string The revision being viewed
 --- @return jj.core.buffer.keymap[]
@@ -963,6 +982,12 @@ function M.summary_keymaps(revset)
 			args = { revset, true },
 			opts = { desc = "Edit revision (ignore immutability) and open file" },
 		},
+		edit_file = {
+			modes = { "n" },
+			handler = M.handle_summary_file_edit,
+			args = { revset, true },
+			opts = { desc = "Read revision in buffer like `Jedit`" },
+		},
 	}
 	return cmd.resolve_keymaps_from_specs(keymaps, specs)
 end