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-rw-r--r--subr/pkgtool_init.subr133
1 files changed, 133 insertions, 0 deletions
diff --git a/subr/pkgtool_init.subr b/subr/pkgtool_init.subr
new file mode 100644
index 00000000..da6a6640
--- /dev/null
+++ b/subr/pkgtool_init.subr
@@ -0,0 +1,133 @@
+#
+# set +o errexit -o noglob is assumed.
+#
+
+pkgtoolp_init_defaults() {
+ : ${ARCH:="nt64"}; : ${BUILD:="debug"}; : ${PKG_NAME:=""};
+ : ${BUILD_WORKDIR:=""}; : ${PREFIX=""};
+ ARG_RESTART_AT=""; ARG_UPDATE_DIFF=0;
+};
+
+pkgtoolp_init_env() {
+ local _fname="" _rc=0; _status="";
+ if ! umask 022; then
+ printf "Error: failed to setup environment.\n"; exit 1;
+ else for _fname in $(find subr -name *.subr); do
+ if ! . "${_fname}"; then
+ printf "Error: failed to source \`%s'.\n" "${_fname}"; exit 1;
+ fi;
+ done; fi;
+ return "${_rc}";
+};
+
+pkgtoolp_init_getopts() {
+ local _opt="" _shiftfl=0 _rc=0 OPTIND=0; _status="";
+ while [ "${#}" -gt 0 ]; do
+ case "${1}" in
+ --update-diff)
+ ARG_UPDATE_DIFF=1; _shiftfl=1; ;;
+ --restart-at)
+ if [ "${#}" -lt 2 ]\
+ || [ -z "${2}" ]; then
+ _rc=1; _status="Error: missing argument for option --restart-at.";
+ else
+ ARG_RESTART_AT="${2}"; _shiftfl=2;
+ fi; ;;
+ *) _shiftfl=0; ;;
+ esac;
+ if [ "${_rc:-0}" -ne 0 ]; then
+ break;
+ elif [ "${_shiftfl:-0}" -gt 0 ]; then
+ shift "${_shiftfl}"; continue;
+ elif getopts a:b:C:D:Fhp:Pr:R _opt; then
+ case "${_opt}" in
+ a) ARCH="${OPTARG}"; ;;
+ b) BUILD="${OPTARG}"; ;;
+ h) pkgtoolp_usage; exit 0; ;;
+ *) pkgtoolp_usage; exit 1; ;;
+ esac; shift $((${OPTIND}-1)); OPTIND=1;
+ else
+ break;
+ fi;
+ done;
+ if [ "${_rc}" -eq 0 ]; then
+ while [ "${#}" -gt 0 ]; do
+ case "${1}" in
+ *=*) rtl_set_var_unsafe "${1%%=*}" "${1#*=}"; ;;
+ *) if [ "${#}" -ne 1 ]; then
+ _rc=1; _status="Error: invalid argument \`${1}'.";
+ fi; break; ;;
+ esac; shift; done;
+ if [ "${_rc:-0}" -eq 0 ]; then
+ if [ "${#}" -ne 1 ]\
+ && [ -z "${PKG_NAME}" ]; then
+ _rc=1; _status="Error: missing package name.";
+ elif [ "${#}" -eq 1 ]; then
+ PKG_NAME="${1}";
+ fi;
+ fi;
+ fi;
+ return "${_rc}";
+};
+
+pkgtoolp_init_prereqs() {
+ local _cmd="" _cmds_missing="" _rc=0; _status="";
+ for _cmd in \
+ awk bunzip2 cat chmod cmake cp date find flock g++ \
+ gcc git grep gunzip gzip hostname install kill \
+ ln lzip make mkdir mkfifo mv paste patch perl \
+ pgrep pkill printf readlink rm sed seq sha256sum \
+ sort stat tail tar test touch tr wget xz zip; do
+ if ! which "${_cmd}" >/dev/null 2>&1; then
+ _cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}";
+ fi;
+ done;
+ if [ -n "${_cmds_missing}" ]; then
+ _rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}";
+ elif ! awk -V 2>/dev/null | grep -q "^GNU Awk "; then
+ _rc=1; _status="Error: awk(1) in \$PATH must be GNU Awk.";
+ elif ! sed --version 2>/dev/null | grep -q "^GNU sed "; then
+ _rc=1; _status="Error: sed(1) in \$PATH must be GNU sed.";
+ fi;
+ return "${_rc}";
+};
+
+pkgtoolp_init_vars() {
+ local _rc=0; _status="";
+ if ! rtl_lmatch "${ARCH}" "nt32 nt64"; then
+ _rc=1; _status="Error: invalid architecture \`${ARCH}'.";
+ elif ! rtl_lmatch "${BUILD}" "debug release"; then
+ _rc=1; _status="Error: unknown build type \`${BUILD}'.";
+ else case "${ARCH}" in
+ nt32) DEFAULT_TARGET="i686-nt32-midipix"; ;;
+ nt64) DEFAULT_TARGET="x86_64-nt64-midipix"; ;;
+ esac;
+ rtl_fileop source_opt \
+ "${HOME}/midipix_build.vars" "${HOME}/.midipix_build.vars" \
+ ../midipix_build.vars ./midipix.env;
+ if [ -z "${PREFIX}" ]; then
+ _rc=1; _status="Error: \${PREFIX} empty or unset.";
+ fi; fi;
+ return "${_rc}";
+};
+
+pkgtoolp_usage() {
+ echo "usage: ./pkgtool.sh [-a nt32|nt64] [-b debug|release] name" >&2;
+};
+
+pkgtool_init() {
+ local _fname="" _rc=0 _status="";
+ if ! pkgtoolp_init_env \
+ || ! pkgtoolp_init_defaults \
+ || ! pkgtoolp_init_getopts "${@}" \
+ || ! pkgtoolp_init_prereqs \
+ || ! pkgtoolp_init_vars; then
+ _rc="${?}"; rtl_log_msg fail "${_status}"; exit "${_rc}";
+ elif [ -n "${_status}" ]; then
+ rtl_log_msg info "${_status}"; exit 0;
+ else
+ return "${_rc}";
+ fi;
+};
+
+# vim:filetype=sh