[Buildroot] [git commit branch/next] test-pkg: filter empty lines and comments in CSV file

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=9272eb468463deff3a3b181db0372e64b51affc1
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next

In preparation for the addition of comments in the CSV file listing
toolchain configurations, we filter out such lines when reading the
CSV file in utils/test-pkg.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 utils/test-pkg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/test-pkg b/utils/test-pkg
index 6899d44..1b7046e 100755
--- a/utils/test-pkg
+++ b/utils/test-pkg
@@ -54,7 +54,7 @@ main() {
     # Extract the URLs of the toolchains; drop internal toolchains
     # E.g.: http://server/path/to/name.config,arch,libc
     #  -->  http://server/path/to/name.config
-    toolchains=($(sed -r -e 's/,.*//; /internal/d;' "${toolchains_csv}" \
+    toolchains=($(sed -r -e 's/,.*//; /internal/d; /^#/d; /^$/d;' "${toolchains_csv}" \
                   |if [ ${random} -gt 0 ]; then \
                       sort -R |head -n ${random}
                    else