feat: Add git rebase support (#262)

.gitmodules

@@ -436,3 +436,9 @@
 	branch = main
 	update = none
 	ignore = dirty
+[submodule "repos/git-rebase"]
+	path = repos/git-rebase
+	url = https://github.com/the-mikedavis/tree-sitter-git-rebase
+	branch = main
+	update = none
+	ignore = dirty

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+- Add `git rebase` support
 
 ## 0.12.58 - 2023-10-06
 - Add `gitcommit` support

queries/git-rebase/highlights.scm

@@ -0,0 +1,36 @@
+; a rough translation:
+; * constant.builtin - git hash
+; * constant - a git label
+; * keyword - command that acts on commits commits
+; * function - command that acts only on labels
+; * comment - discarded commentary on a command, has no effect on the rebase
+; * string - text used in the rebase operation
+; * operator - a 'switch' (used in fixup and merge), either -c or -C at time of writing
+
+(((command) @keyword
+  (label) @constant.builtin
+  (message)? @comment)
+ (#match? @keyword "^(p|pick|r|reword|e|edit|s|squash|d|drop)$"))
+
+(((command) @function
+  (label) @constant
+  (message)? @comment)
+ (#match? @function "^(l|label|t|reset)$"))
+
+((command) @keyword
+ (#match? @keyword "^(x|exec|b|break)$"))
+
+(((command) @attribute
+  (label) @constant.builtin
+  (message)? @comment)
+ (#match? @attribute "^(f|fixup)$"))
+
+(((command) @keyword
+  (label) @constant.builtin
+  (label) @constant
+  (message) @string)
+ (#match? @keyword "^(m|merge)$"))
+
+(option) @operator
+
+(comment) @comment

tree-sitter-langs.el

@@ -127,6 +127,7 @@ See `tree-sitter-langs-repos'."
                 (fortran-mode           . fortran)
                 (gdscript-mode          . gdscript)
                 (git-commit-mode        . gitcommit)
+                (git-rebase-mode        . git-rebase)
                 (gitattributes-mode     . gitattributes)
                 (gitignore-mode         . gitignore)
                 (go-mode                . go)