From 93720d3eea3483c5cb37e3ea1c0441f9cfe1e14d Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Wed, 2 Jun 2021 08:48:48 -0500
Subject: [PATCH] use a dedicated env var to decide whether to check
 DESCRIPTION:
 https://github.com/yihui/knitr/issues/1864#issuecomment-852405935

---
 DESCRIPTION | 2 +-
 R/utils.R   | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/DESCRIPTION b/DESCRIPTION
index 135256e75b..cd076d7b75 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: knitr
 Type: Package
 Title: A General-Purpose Package for Dynamic Report Generation in R
-Version: 1.33.4
+Version: 1.33.5
 Authors@R: c(
     person("Yihui", "Xie", role = c("aut", "cre"), email = "xie@yihui.name", comment = c(ORCID = "0000-0003-0645-5666")),
     person("Abhraneel", "Sarma", role = "ctb"),
diff --git a/R/utils.R b/R/utils.R
index 515f963819..f08d212565 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -1062,7 +1062,7 @@ test_desc_dep = function(pkg, dir = '.') {
 
 # TODO: remove this hack in the future when no CRAN/BioC packages have the issue
 test_vig_dep = function(pkg) {
-  if (skip_cran_bioc() || test_desc_dep(pkg, '..')) return()
+  if (no_test_vig_dep() || test_desc_dep(pkg, '..')) return()
   p = read.dcf(file.path('..', 'DESCRIPTION'), fields = 'Package')[1, 1]
   stop2(
     "The '", pkg, "' package should be installed and declared as a dependency of the '", p,
@@ -1072,4 +1072,6 @@ test_vig_dep = function(pkg) {
   )
 }
 
-skip_cran_bioc = function() is_R_CMD_check() || Sys.getenv('BBS_HOME') != ''
+no_test_vig_dep = function() {
+  is_R_CMD_check() || tolower(Sys.getenv('KNITR_NO_TEST_VIGNETTE_DEP')) == 'true'
+}