ci: patch GNU indent on indent image to fix crash on long comments

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1036851
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4686

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4857>

.gitlab-image-tags.yml

@@ -6,6 +6,6 @@ variables:
   # to change any part of the string of the image you want.
   ###
   FEDORA_TAG:  '2023-06-12.0'
-  INDENT_TAG: '2023-03-16.1'
+  INDENT_TAG: '2023-06-14.1'
   LINT_TAG: '2023-02-16.5'
   WINDOWS_TAG: '2023-06-12.0'

ci/docker/indent/prepare.sh

@@ -14,3 +14,60 @@ apt update -yqq
 apt install -y dotnet-sdk-7.0
 dotnet tool install --global dotnet-format
 ln -s ~/.dotnet/tools/dotnet-format /usr/local/bin/dotnet-format
+
+# Patch indent for crasher bug on very long comments
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1036851
+echo "deb-src http://deb.debian.org/debian/ bookworm main" >> /etc/apt/sources.list
+apt update
+
+apt-get install --assume-yes devscripts build-essential dpkg-dev wget
+
+apt-get build-dep --assume-yes indent
+
+apt-get source indent
+
+wget -O indent-2.2.12/debian/patches/9999-long-comment-crashfix.patch 'https://git.savannah.gnu.org/cgit/indent.git/patch/?id=02d7fd4c426e4acfa591a6738dec72f7303c1e7e'
+
+echo "9999-long-comment-crashfix.patch" >> indent-2.2.12/debian/patches/series
+
+cat >indent-2.2.12/debian/changelog.new <<-EOF
+indent (2.2.12-4gst1) unstable; urgency=medium
+
+  * Pull in bug-fix for crashes on comments longer than 1023 characters.
+    See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1036851
+
+ -- Tim-Philipp Müller <tim@centricular.com>  Wed, 14 Jun 2023 12:30:00 +0100
+
+EOF
+cat indent-2.2.12/debian/changelog >> indent-2.2.12/debian/changelog.new
+mv indent-2.2.12/debian/changelog.new indent-2.2.12/debian/changelog
+
+cd indent-2.2.12 && dpkg-buildpackage -us -uc && dpkg -i ../indent_2.2.12-4gst1_amd64.deb
+
+wget -O gstbayer2rgb.c "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/raw/main/subprojects/gst-plugins-bad/gst/bayer/gstbayer2rgb.c?inline=false"
+
+# Try it
+for i in 1 2; do
+indent \
+  --braces-on-if-line \
+  --case-brace-indentation0 \
+  --case-indentation2 \
+  --braces-after-struct-decl-line \
+  --line-length80 \
+  --no-tabs \
+  --cuddle-else \
+  --dont-line-up-parentheses \
+  --continuation-indentation4 \
+  --honour-newlines \
+  --tab-size8 \
+  --indent-level2 \
+  --leave-preprocessor-space \
+  gstbayer2rgb.c
+done;
+
+# clean up
+rm gstbayer2rgb.c
+rm -rf indent*
+apt-get remove --assume-yes devscripts build-essential dpkg-dev wget
+apt-get remove --assume-yes libtext-unidecode-perl  libxml-namespacesupport-perl  libxml-sax-base-perl  libxml-sax-perl  libxml-libxml-perl texinfo
+apt-get autoremove --assume-yes