bin: force git show to use default pretty setting

I have pretty default to short, which breaks this script.

v2: - Fix both places that don't define a --pretty (Emil)

cc: Juan A. Suarez <jasuarez@igalia.com>
Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
Reviewed-by: Andres Gomez <agomez@igalia.com> (v1)
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

bin/get-fixes-pick-list.sh

@@ -16,7 +16,7 @@ latest_branchpoint=`git merge-base origin/master HEAD`
 git log --reverse --pretty=%H $latest_branchpoint > already_landed
 
 # ... and the ones cherry-picked.
-git log --reverse --grep="cherry picked from commit" $latest_branchpoint..HEAD |\
+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
 
@@ -38,7 +38,7 @@ do
 
 	# Place every "fixes:" tag on its own line and join with the next word
 	# on its line or a later one.
-	fixes=`git show -s $sha | tr -d "\n" | sed -e 's/fixes:[[:space:]]*/\nfixes:/Ig' | grep "fixes:" | sed -e 's/\(fixes:[a-zA-Z0-9]*\).*$/\1/'`
+	fixes=`git show --pretty=medium -s $sha | tr -d "\n" | sed -e 's/fixes:[[:space:]]*/\nfixes:/Ig' | grep "fixes:" | sed -e 's/\(fixes:[a-zA-Z0-9]*\).*$/\1/'`
 
 	# For each one try to extract the tag
 	fixes_count=`echo "$fixes" | wc -l`