From e2a3f9592b844aacb18a9ed2a0e48ba83ba2739f Mon Sep 17 00:00:00 2001
From: Aditya R <arajan@redhat.com>
Date: Thu, 11 Aug 2022 21:26:10 +0530
Subject: docs: specify git protocol is not supported for github hosted repo

Build from URL does not supports `git://` is source is hosted on Github.
Reason: https://github.blog/2021-09-01-improving-git-protocol-security-github/

[CI:DOCS]
[NO NEW TESTS NEEDED]
[NO TESTS NEEDED]

Similar to: https://github.com/containers/buildah/pull/4179

Signed-off-by: Aditya R <arajan@redhat.com>
---
 docs/source/markdown/podman-build.1.md.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/source/markdown/podman-build.1.md.in b/docs/source/markdown/podman-build.1.md.in
index 626a9db3b..c0cf08f3c 100644
--- a/docs/source/markdown/podman-build.1.md.in
+++ b/docs/source/markdown/podman-build.1.md.in
@@ -988,9 +988,11 @@ use it as the context. The Containerfile at the root of the repository will be
 used and it only works if the GitHub repository is a dedicated repository.
 
 ```
-$ podman build git://github.com/scollier/purpletest
+$ podman build https://github.com/scollier/purpletest
 ```
 
+  Note: Github does not support using `git://` for performing `clone` operation due to recent changes in their security guidance (https://github.blog/2021-09-01-improving-git-protocol-security-github/). Use an `https://` URL if the source repository is hosted on Github.
+
 #### Building an image using a URL to an archive
 
   Podman will fetch the archive file, decompress it, and use its contents as the
-- 
cgit v1.2.3-54-g00ecf