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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[@]}" "$@"
}
run_with_timeout() {
local -r description="$1"; shift
local -r seconds="$1"; shift
local -i status=0
if ! command -v timeout >/dev/null 2>&1; then
printf 'ERROR: timeout command is required to run %s\n' \
"$description" >&2
return 127
fi
if timeout "$seconds" "$@"; then
return
else
status=$?
fi
if (( status == 124 )); then
printf 'ERROR: %s timed out after %s seconds\n' \
"$description" "$seconds" >&2
fi
return "$status"
}
tarball() {
local -r tarball_name="$1"; shift
local -r tarball_suffix="${TARBALL_SUFFIX:-.tar}"
local base
local old_tarball
local -a tar_opts=()
# Cleanup tarballs from previous runs for the configured suffix.
while IFS= read -r -d '' old_tarball; do
if [[ "$old_tarball" == *"$tarball_suffix" ]]; then
rm -f "$old_tarball"
fi
done < <(find "$DIST_DIR" -maxdepth 1 -type f -print0)
base=$(basename "$INCOMING_DIR")
resolve_tar_opts tar_opts
log_info "Creating tarball $(_display_path "$DIST_DIR/$tarball_name")" \
"from $INCOMING_DIR"
(
cd "$(dirname "$INCOMING_DIR")"
run_with_timeout tar "$TAR_TIMEOUT" \
tar "${tar_opts[@]}" -f "$DIST_DIR/$tarball_name" "$base"
)
}
resolve_tar_opts() {
local -n options_ref="$1"; shift
local tar_opts_decl
options_ref=()
if ! tar_opts_decl=$(declare -p TAR_OPTS 2>/dev/null); then
options_ref=(-c)
return
fi
case "$tar_opts_decl" in
declare\ -a*\ TAR_OPTS=*)
options_ref=("${TAR_OPTS[@]}")
;;
*)
if [ -n "${TAR_OPTS:-}" ]; then
read -r -a options_ref <<< "$TAR_OPTS"
fi
;;
esac
if (( ${#options_ref[@]} == 0 )); then
options_ref=(-c)
fi
}
resolve_sync_destinations() {
local -n destinations_ref="$1"; shift
local destinations_decl
destinations_ref=()
if ! destinations_decl=$(declare -p SYNC_DESTINATIONS 2>/dev/null); then
return
fi
case "$destinations_decl" in
declare\ -a*\ SYNC_DESTINATIONS=*)
destinations_ref=("${SYNC_DESTINATIONS[@]}")
;;
*)
if [ -n "${SYNC_DESTINATIONS:-}" ]; then
# shellcheck disable=SC2034
read -r -a destinations_ref <<< "$SYNC_DESTINATIONS"
fi
;;
esac
}
|
