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# shellcheck disable=SC2034
resolve_imagemagick_command() {
local -r operation="$1"; shift
local -n command_ref="$1"; shift
command_ref=()
case "$operation" in
convert)
if command -v magick >/dev/null 2>&1; then
command_ref=(magick)
return
fi
if command -v convert >/dev/null 2>&1; then
command_ref=(convert)
return
fi
;;
identify)
if command -v magick >/dev/null 2>&1; then
command_ref=(magick identify)
return
fi
if command -v identify >/dev/null 2>&1; then
command_ref=(identify)
return
fi
if command -v convert >/dev/null 2>&1; then
command_ref=(convert)
return
fi
;;
*)
printf 'ERROR: Unknown ImageMagick operation %s\n' \
"$operation" >&2
return 1
;;
esac
printf 'ERROR: ImageMagick is required; install magick or convert\n' >&2
return 127
}
imagemagick() {
local -a imagemagick_command=()
resolve_imagemagick_command convert imagemagick_command || return
run_with_timeout ImageMagick "$IMAGEMAGICK_TIMEOUT" \
"${imagemagick_command[@]}" "$@"
}
imagemagick_identify() {
local -a imagemagick_command=()
resolve_imagemagick_command identify imagemagick_command || return
if [ "${imagemagick_command[0]}" = convert ]; then
if [[ "${1:-}" = '-verbose' && $# -eq 2 ]]; then
run_with_timeout ImageMagick "$IMAGEMAGICK_TIMEOUT" \
"${imagemagick_command[@]}" "$2" -verbose info:
else
run_with_timeout ImageMagick "$IMAGEMAGICK_TIMEOUT" \
"${imagemagick_command[@]}" "$@" info:
fi
return
fi
run_with_timeout ImageMagick "$IMAGEMAGICK_TIMEOUT" \
"${imagemagick_command[@]}" "$@"
}
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