[gnome-shell] ci: Handle POTFILES.skip in potfiles check

[Florian Müllner <fmuellner src gnome org>]

commit 6c0bd207e91537ac74c99a3299a31d1f1dafe7c0
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Mar 10 01:39:09 2020 +0100

    ci: Handle POTFILES.skip in potfiles check
    
    Allow marking files as ignored when searching for translatable
    strings, similar to "good" ol' intltool.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/812

 .gitlab-ci/check-potfiles.sh | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/.gitlab-ci/check-potfiles.sh b/.gitlab-ci/check-potfiles.sh
index 51cbdd89a2..8785eb8077 100755
--- a/.gitlab-ci/check-potfiles.sh
+++ b/.gitlab-ci/check-potfiles.sh
@@ -6,6 +6,11 @@ globs=('*.js' '*.c')
 # find source files that contain gettext keywords
 files=$(grep -lR ${globs[@]/#/--include=} '\(gettext\|[^I_)]_\)(' $srcdirs)
 
+# filter out excluded files
+if [ -f po/POTFILES.skip ]; then
+  files=$(for f in $files; do ! grep -q ^$f po/POTFILES.skip && echo $f; done)
+fi
+
 # find those that aren't listed in POTFILES.in
 missing=$(for f in $files; do ! grep -q ^$f po/POTFILES.in && echo $f; done)