+is_stable_nomination()
+{
+ git show --pretty=medium --summary "$1" | grep -q -i -o "CC:.*mesa-stable"
+}
+
+is_typod_nomination()
+{
+ git show --pretty=medium --summary "$1" | grep -q -i -o "CC:.*mesa-dev"
+}
+
+fixes=
+
+# Helper to handle various mistypos of the fixes tag.
+# The tag string itself is passed as argument and normalised within.
+#
+# Resulting string in the global variable "fixes" and contains entries
+# in the form "fixes:$sha"
+is_sha_nomination()
+{
+ fixes=`git show --pretty=medium -s $1 | tr -d "\n" | \
+ sed -e 's/'"$2"'/\nfixes:/Ig' | \
+ grep -Eo 'fixes:[a-f0-9]{8,40}'`
+
+ fixes_count=`echo "$fixes" | grep "fixes:" | wc -l`
+ if test $fixes_count -eq 0; then
+ return 1
+ fi
+
+ # Throw a warning for each invalid sha
+ while test $fixes_count -gt 0; do
+ # Treat only the current line
+ id=`echo "$fixes" | tail -n $fixes_count | head -n 1 | cut -d : -f 2`
+ fixes_count=$(($fixes_count-1))
+ if ! git show $id >/dev/null 2>&1; then
+ echo WARNING: Commit $1 lists invalid sha $id
+ fi
+ done
+
+ return 0
+}
+
+# Checks if at least one of offending commits, listed in the global
+# "fixes", is in branch.
+sha_in_range()
+{
+ fixes_count=`echo "$fixes" | grep "fixes:" | wc -l`
+ while test $fixes_count -gt 0; do
+ # Treat only the current line
+ id=`echo "$fixes" | tail -n $fixes_count | head -n 1 | cut -d : -f 2`
+ fixes_count=$(($fixes_count-1))
+
+ # Be that cherry-picked ...
+ # ... or landed before the branchpoint.
+ if grep -q ^$id already_picked ||
+ grep -q ^$id already_landed ; then
+ return 0
+ fi
+ done
+ return 1
+}
+
+is_fixes_nomination()
+{
+ is_sha_nomination "$1" "fixes:[[:space:]]*"
+ if test $? -eq 0; then
+ return 0
+ fi
+ is_sha_nomination "$1" "fixes[[:space:]]\+"
+}
+
+is_brokenby_nomination()
+{
+ is_sha_nomination "$1" "broken by"
+}
+
+is_revert_nomination()
+{
+ is_sha_nomination "$1" "This reverts commit "
+}
+
+# Use the last branchpoint as our limit for the search
+latest_branchpoint=`git merge-base origin/master HEAD`
+
+# List all the commits between day 1 and the branch point...
+git log --reverse --pretty=%H $latest_branchpoint > already_landed
+
+# ... and the ones cherry-picked.
+git log --reverse --pretty=medium --grep="cherry picked from commit" $latest_branchpoint..HEAD |\
+ grep "cherry picked from commit" |\
+ 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\>\|\<broken by\>\|This reverts commit' $latest_branchpoint..origin/master |\