ci: fix for previous commmit, let's see if it works now

Author: ntamas

.Rbuildignore

@@ -22,4 +22,5 @@
 ^patches$
 ^vendor$
 ^cran-comments\.md$
+^cran-comments\.template.md$
 ^CRAN-RELEASE$

.github/workflows/build-and-check.yml

@@ -186,7 +186,7 @@ jobs:
 
       - name: Extract source package
         run: |
-          find . -type f -maxdepth 1 | grep -v '^igraph.*tar.gz' | xargs rm
+          find . -type f -maxdepth 1 | grep -v 'igraph.*tar.gz' | xargs rm
           rm -rf R build demo doc inst man src tests
           tar -xvf igraph*.tar.gz --strip-components=1
           rm *.tar.gz

cran-comments.template.md

@@ -0,0 +1,18 @@
+## Test environments
+
+* local R installation, R 4.1.1
+* ubuntu 20.04 (on Github Actions), R 3.4.4, R 3.5.3, R 4.0.5, R 4.1.1 and R-devel
+* windows-latest (on Github Actions), R 4.1.1
+* macOS-latest (on Github Actions), R 4.1.1
+
+## R CMD check results
+
+X errors | Y warnings | Z notes
+
+* Add comments to CRAN maintainers here.
+
+## revdepcheck results
+
+* Paste the output of revdepcheck from revdep/ here
+* Extend the output with explanations about each failure that we believe should
+  be ignored because they are not our fault