Xcode xcasset usage detector

imageNamed.sh

set -eu -o pipefail

function show_code {
    while read ERROR_LOCATION; do
    echo "$ERROR_LOCATION:: error: Missing imageset with name $1"
    done < <(find "$PROJECT_NAME" -name '*.m' -print0 | xargs -0 grep -n -o -e "\[UIImage imageNamed:@\"$1\"\]" | cut -d ':' -f 1,2)
}

function show_img {
    echo -n $(find "$PROJECT_NAME" -name "$1.imageset")
    echo ":: error: No more refs to imageset $1"
}

function show_nonconst {
    echo -n "$1"
    echo " error: Non-const usage of UIImage's imageNamed"
}

USED_NAMES=$(find "$PROJECT_NAME" -name '*.m' -print0 | xargs -0 grep -h -o -e '\[UIImage imageNamed:@"[^"]*"\]' | /usr/bin/sed 's/\[UIImage imageNamed:@"\(.*\)"\]/\1/g' | sort -u)
PRESENTED_IMAGES=$(find "$PROJECT_NAME" -name *.imageset | grep -v Pods | /usr/bin/sed -e 's/.*\///' -e 's/\.imageset$//' | sort -u)
EXIT_CODE=0

echo "Non-const usages of UIImage's imageNamed:"
while read name; do
    show_nonconst $name
    EXIT_CODE=1
done < <(find SurfMate -name '*.m' -print0 | xargs -0 grep -n -o -e '\[UIImage imageNamed:[^@]' | /usr/bin/sed 's/\[UIImage imageNamed:[^@]//g')

echo "Missing imageset with name:"
while read name; do
    show_code $name
    EXIT_CODE=1
done < <(comm -23 <(printf '%s' "$USED_NAMES") <(printf '%s' "$PRESENTED_IMAGES"))
echo

echo "No more refs to imageset:"
while read name; do
    show_img $name
    EXIT_CODE=1
done < <(comm -13 <(printf '%s' "$USED_NAMES") <(printf '%s' "$PRESENTED_IMAGES"))
echo

exit $EXIT_CODE