linux-kernel - [PATCH v2 2/5] scripts: sphinx-pre-install: report broken venv

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Date:   Sat,  2 Jul 2022 11:11:26 +0100
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Jonathan Corbet" <corbet@....net>,
        "Mauro Carvalho Chehab" <mchehab+huawei@...nel.org>,
        ksummit-discuss@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/5] scripts: sphinx-pre-install: report broken venv

After distro upgrades, the directory names for python may change.
On such case, the previously-created venv will be broken, and
sphinx-build won't run.

Add a logic to report it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH v2 0/5] at: https://lore.kernel.org/all/cover.1656756450.git.mchehab@kernel.org/

 scripts/sphinx-pre-install | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index ae8c49734899..18537e5af692 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -720,6 +720,12 @@ sub get_virtenv()
 		next if (! -f $sphinx_cmd);
 
 		my $ver = get_sphinx_version($sphinx_cmd);
+
+		if (!$ver) {
+			$f =~ s#/bin/activate##;
+			print("Warning: virtual envionment $f is not working.\nPython version upgrade? Remove it with:\n\n\trm -rf $f\n\n");
+		}
+
 		if ($need_sphinx && ($ver ge $min_version)) {
 			return ($f, $ver);
 		} elsif ($ver gt $cur_version) {
-- 
2.36.1