add: grabnim (#5342) (#5344)

* add: grabnim

* nightly

(cherry picked from commit cfea3a2afa)

Co-authored-by: madomado <madonuko@outlook.com>

anda/langs/nim/grabnim/anda.hcl

@@ -0,0 +1,8 @@
+project pkg {
+	rpm {
+		spec = "grabnim.spec"
+	}
+	labels {
+		nightly = 1
+	}
+}

anda/langs/nim/grabnim/grabnim.spec

@@ -0,0 +1,30 @@
+%global commit a93fcb2d726c919221f7df5811b2d0de9a739c2b
+%global commit_date 20250612
+%global shortcommit %{sub %commit 1 7}
+
+Name:			grabnim
+Version:		0~%{commit_date}git.%{shortcommit}
+Release:		1%?dist
+Summary:		Simple tool to install and manage multiple nim compiler versions
+License:		MIT
+URL:			https://codeberg.org/janAkali/grabnim
+Source0:		%url/archive/%commit.tar.gz
+Packager:		madonuko <mado@fyralabs.com>
+BuildRequires:	nim
+
+%description
+GrabNim is a simple tool to install, manage and switch between different versions of the Nim compiler.
+
+%prep
+%autosetup -n %name
+
+%build
+%nim_c %name
+
+%install
+install -Dm755 %name -t %buildroot%_bindir
+
+%files
+%doc README.md
+%license LICENSE
+%_bindir/%name

anda/langs/nim/grabnim/update.rhai

@@ -0,0 +1,6 @@
+import "andax/bump_extras.rhai" as bump;
+
+rpm.global("commit", bump::codeberg_commit("janAkali/grabnim"));
+if rpm.changed() {
+    rpm.global("commit_date", date());
+}