bin/get-pick-list.sh: handle unofficial "broken by" tag

We have a number of cases were devs will use a tag "broken by".
While it's not something officially documented or recommended, checking
for it is trivial enough.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>

bin/get-pick-list.sh

@@ -66,6 +66,11 @@ is_fixes_nomination()
 	is_sha_nomination "$1" "fixes[[:space:]]\+"
 }
 
+is_brokenby_nomination()
+{
+	is_sha_nomination "$1" "broken by"
+}
+
 # Use the last branchpoint as our limit for the search
 latest_branchpoint=`git merge-base origin/master HEAD`
 
@@ -78,7 +83,7 @@ git log --reverse --pretty=medium --grep="cherry picked from commit" $latest_bra
 	sed -e 's/^[[:space:]]*(cherry picked from commit[[:space:]]*//' -e 's/)//' > already_picked
 
 # Grep for potential candidates
-git log --reverse --pretty=%H -i --grep='^CC:.*mesa-stable\|^CC:.*mesa-dev\|\<fixes\>' $latest_branchpoint..origin/master |\
+git log --reverse --pretty=%H -i --grep='^CC:.*mesa-stable\|^CC:.*mesa-dev\|\<fixes\>\|\<broken by\>' $latest_branchpoint..origin/master |\
 while read sha
 do
 	# Check to see whether the patch is on the ignore list.
@@ -99,6 +104,8 @@ do
 		tag=typod
 	elif is_fixes_nomination "$sha"; then
 		tag=fixes
+	elif is_brokenby_nomination "$sha"; then
+		tag=brokenby
 	else
 		continue
 	fi