gnu: Add shell2batch.

* gnu/packages/crates-io.scm (shell2batch): New variable.
* gnu/packages/patches/rust-shell2batch-lint-fix.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: Julien Lepiller <julien@lepiller.eu>

gnu/local.mk

@@ -1744,6 +1744,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/rust-nettle-sys-disable-vendor.patch	 \
   %D%/packages/patches/rust-reproducible-builds.patch		 \
   %D%/packages/patches/rust-openssl-sys-no-vendor.patch	\
+  %D%/packages/patches/rust-shell2batch-lint-fix.patch		\
   %D%/packages/patches/sbc-fix-build-non-x86.patch		\
   %D%/packages/patches/sbcl-burgled-batteries3-fix-signals.patch	\
   %D%/packages/patches/sbcl-clml-fix-types.patch		\

gnu/packages/crates-io.scm

@@ -20,6 +20,7 @@
 ;;; Copyright © 2021 Vinicius Monego <monego@posteo.net>
 ;;; Copyright © 2021 Petr Hodina <phodina@protonmail.com>
 ;;; Copyright © 2021 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2021 Jacob Hrbek <kreyren@rixotstudio.cz>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -63154,3 +63155,27 @@ variant of this library is available separately as @code{im}.")
     (description
       "Generate Rust register maps (`struct`s) from SVD files")
     (license (list license:expat license:asl2.0))))
+
+(define-public rust-shell2batch-0.4
+  (package
+    (name "rust-shell2batch")
+    (version "0.4.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "shell2batch" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32 "0r9zfhxmqnrnyk7g590333szfpsjijs2wfwy7ish240w6pp54nhq"))
+    ;; https://github.com/sagiegurari/shell2batch/issues/17
+    (patches (search-patches "rust-shell2batch-lint-fix.patch"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs (("rust-regex" ,rust-regex-1))))
+    (home-page "https://github.com/sagiegurari/shell2batch")
+    (synopsis "Basic shell scripts to windows batch scripts conversion")
+    (description "While it is not really possible to take every shell script
+and automatically convert it to a windows batch file, this library provides a
+way to convert simple shell commands to windows batch commands.")
+    (license license:asl2.0)))

gnu/packages/patches/rust-shell2batch-lint-fix.patch

@@ -0,0 +1,25 @@
+Resolves the following error that was most likely introduced in new version of
+rust as this package is from 2019:
+
+error: unnecessary parentheses around type
+   --> src/converter.rs:108:61
+    |
+108 | fn add_arguments(arguments: &str, additional_arguments: Vec<(String)>, pre: bool) -> String {
+    |                                                             ^^^^^^^^ help: remove these parentheses
+
+Reported upstream at https://github.com/sagiegurari/shell2batch/issues/17.
+
+diff --git a/src/converter.rs b/src/converter.rs
+index fc87d68..af309d2 100644
+--- a/src/converter.rs
++++ b/src/converter.rs
+@@ -105,7 +105,7 @@ fn replace_vars(arguments: &str) -> String {
+     updated_arguments
+ }
+ 
+-fn add_arguments(arguments: &str, additional_arguments: Vec<(String)>, pre: bool) -> String {
++fn add_arguments(arguments: &str, additional_arguments: Vec<String>, pre: bool) -> String {
+     let mut windows_arguments = if pre {
+         "".to_string()
+     } else {
+