Add jj item

functions/_tide_item_jj.fish

@@ -0,0 +1,33 @@
+function _tide_item_jj
+    if not command -sq jj; or not jj root --quiet &>/dev/null
+        return 1
+    end
+
+    set jj_status (jj log -r@ -n1 --ignore-working-copy --no-graph --color always -T '
+    separate(" ",
+        branches.map(|x| if(
+            x.name().substr(0, 10).starts_with(x.name()),
+            x.name().substr(0, 10),
+            x.name().substr(0, 9) ++ "…")
+        ).join(" "),
+        tags.map(|x| if(
+            x.name().substr(0, 10).starts_with(x.name()),
+            x.name().substr(0, 10),
+            x.name().substr(0, 9) ++ "…")
+        ).join(" "),
+        surround("\"","\"",
+            if(
+                description.first_line().substr(0, 24).starts_with(description.first_line()),
+                description.first_line().substr(0, 24),
+                description.first_line().substr(0, 23) ++ "…"
+            )
+        ),
+        change_id.shortest(),
+        commit_id.shortest(),
+        if(conflict, "conflict"),
+        if(divergent, "divergent"),
+        if(hidden, "hidden"),
+    )' | string trim)
+    set jj_info $jj_status
+    _tide_print_item jj $tide_jj_icon' ' "($(string join ', ' $jj_info))"
+end