From 75a17780e34b2f1b01a06adc837eaf64a2a40818 Mon Sep 17 00:00:00 2001
From: Benson Muite <benson_muite@emailplus.org>
Date: Dec 30 2025 15:39:01 +0000
Subject: Generate shortcommit safely


Follow suggestion from Pavel Raiskups' Flock 2025 talk
https://cfp.fedoraproject.org/flock-to-fedora-2025/talk/CLDGTL/
---

diff --git a/guidelines/modules/ROOT/pages/SourceURL.adoc b/guidelines/modules/ROOT/pages/SourceURL.adoc
index 51bb955..8e86360 100644
--- a/guidelines/modules/ROOT/pages/SourceURL.adoc
+++ b/guidelines/modules/ROOT/pages/SourceURL.adoc
@@ -189,10 +189,10 @@ Once the commit hash and git tag are known, you can define them in your spec fil
 ....
 %global commit 40-CHARACTER-HASH-VALUE
 %global gittag GIT-TAG
-%global shortcommit %(c=%{commit}; echo ${c:0:7})    [GitHub]
-%global shortcommit %(c=%{commit}; echo ${c:0:11})   [Bitbucket]
-%global shortcommit %(c=%{commit}; echo ${c:0:7})    [GitLab]
-%global shortcommit %(c=%{commit}; echo ${c:0:8})    [Sourcehut]
+%global shortcommit %{sub %commit 0 7}    [GitHub]
+%global shortcommit %{sub %commit 0 11}   [Bitbucket]
+%global shortcommit %{sub %commit 0 7}    [GitLab]
+%global shortcommit %{sub %commit 0 8}    [Sourcehut]
 ....
 
 === Commit Revision