Factor release version functions into new script.

diff --git a/tools/release/helpers.sh b/tools/release/helpers.sh
new file mode 100644 (file)
index 0000000..2dd5bae
--- /dev/null
+++ b/tools/release/helpers.sh
@@ -0,0 +1,60 @@
+#!/bin/sh -e
+
+die() {
+       echo "$@" >&2
+       exit 1
+}
+
+package_info_load_name() {
+       grep AC_INIT configure.in | perl -ne 's/^.+\(\[([-\w]*)\],.+$/$1/ and print'
+}
+package_info_load_version() {
+       grep AC_INIT configure.in | perl -ne 's/^.+\[([-\w\.]*)\],$/$1/ and print'
+}
+
+package_info_load() {
+       [ -f "configure.in" ] || \
+               die "package_info_load: configure.in is missing"
+
+       PACKAGE_NAME="$(package_info_load_name)"
+       # todo: fix this
+       PACKAGE_TARNAME="${PACKAGE_NAME}"
+
+       PACKAGE_VERSION="$(package_info_load_version)"
+
+       [ "${PACKAGE_NAME}" -a "${PACKAGE_VERSION}" ] || \
+               die "package information is missing from configure script"
+
+       PACKAGE_VERSION_TAGS=
+       [ "${PACKAGE_VERSION/-/}" = "${PACKAGE_VERSION}" ] || \
+               PACKAGE_VERSION_TAGS="-${PACKAGE_VERSION#*-}"
+       PACKAGE_VERSION_BASE="${PACKAGE_VERSION%%-*}"
+       PACKAGE_MICRO="${PACKAGE_VERSION_BASE##*.}"
+       PACKAGE_MAJOR_AND_MINOR="${PACKAGE_VERSION_BASE%.*}"
+       PACKAGE_MAJOR="${PACKAGE_MAJOR_AND_MINOR%.*}"
+       PACKAGE_MINOR="${PACKAGE_MAJOR_AND_MINOR#*.}"
+
+       [ "${RELEASE_FINAL}" ] \
+               && RELEASE_VERSION="${PACKAGE_VERSION_BASE}" \
+               || RELEASE_VERSION="${PACKAGE_VERSION/-dev/}"
+       PACKAGE_RELEASE="${PACKAGE_TARNAME}-${RELEASE_VERSION}"
+       PACKAGE_STRING="${PACKAGE_NAME} ${PACKAGE_VERSION}"
+}
+
+package_info_show() {
+       cat <<INFO
+Name: ${PACKAGE_TARNAME}
+Version: ${PACKAGE_VERSION}
+Release: ${RELEASE_VERSION}
+   Number: ${PACKAGE_VERSION_BASE}
+   Series: ${PACKAGE_MAJOR_AND_MINOR}
+    Major: ${PACKAGE_MAJOR}
+    Minor: ${PACKAGE_MINOR}
+    Micro: ${PACKAGE_MICRO}
+     Tags: ${PACKAGE_VERSION_TAGS}
+   Full: ${PACKAGE_TARNAME}-${PACKAGE_VERSION_BASE}${PACKAGE_VERSION_TAGS}
+Release: ${PACKAGE_RELEASE}
+   Type: ${RELEASE_TYPE}
+INFO
+}
+