strip trailing CR (#54)

* strip trailing CR

* updated changelog for pr #54

Co-authored-by: Asif Mahmmud Shimon <shimon.technext@gmail.com>

CHANGELOG.md

@@ -33,6 +33,8 @@ The format is based on [Keep a Changelog].
   will no longer trigger a reconnect every time you save.
 * Fix inconsistent `:type` spec preventing use of `customize-variable`
   on `apheleia-formatters`.
+* Fix mixed style line ending generated by `diff` ([#54]) by adding
+  `--strip-trailing-cr` to `diff`'s argument list.
 
 [#24]: https://github.com/raxod502/apheleia/pull/24
 [#30]: https://github.com/raxod502/apheleia/issues/30
@@ -41,6 +43,7 @@ The format is based on [Keep a Changelog].
 [#39]: https://github.com/raxod502/apheleia/issues/39
 [#48]: https://github.com/raxod502/apheleia/pull/48
 [#49]: https://github.com/raxod502/apheleia/pull/49
+[#54]: https://github.com/raxod502/apheleia/pull/54
 
 ## 1.1.2 (released 2021-02-26)
 ### Enhancements

apheleia.el

@@ -384,7 +384,7 @@ as its sole argument."
     (with-current-buffer (get-buffer-create " *apheleia-patch*")
       (erase-buffer)
       (apheleia--make-process
-       :command `("diff" "--rcs" "--"
+       :command `("diff" "--rcs" "--strip-trailing-cr" "--"
                   ,(or old-fname "-")
                   ,(or new-fname "-"))
        :stdin (if new-fname old-buffer new-buffer)