add etools_get_version

config.sh

@@ -33,12 +33,12 @@ function _configure() {
 	--type directory --format '"\"{}\""' --max-depth 3 --case-sensitive'''}
 
 	# WARN: this section is not tested
-	# [ -z "${ETOOLS_FIND_CMD}" ] && ETOOLS_FIND_CMD="find"
-	# [ -z "${ETOOLS_FIND_ARGS}" ] && \
-	# 	ETOOLS_FIND_ARGS="\
-	# ! -path './profile*' ! -path './scripts*' -path './eclass*' ! -path './metadata*' \
- #    ! -path './app-emacs*' ! -path './dev-ruby*' ! -path './acct-user*' ! -path './acct-group*' \
- #    -type d -name"
+	# 	ETOOLS_FIND_CMD=${ETOOLS_FIND_CMD:-"find"}
+	# 	ETOOLS_FIND_ARGS=${ETOOLS_FIND_ARGS:-''' \
+	# \( -path './profiles' -o -path './scripts' -o -path './eclass' -o -path './metadata' \
+	# -o -path './dev-perl' -o -path './dev-ml' -o -path './app-doc'    -o -path './app-emacs' \
+	# -o -path './dev-ruby' -o -path './acct-user' -o -path './acct-group' -o -path './.git' \) \
+	# -prune -o -type d -maxdepth 3 -print -name'''}
 
 	# A full command that may be specified if FIND_CMD and FIND_ARGS cannot fulfill the needed job
 	# 	use {package} as a wildcart for the package that should be search for
@@ -46,6 +46,9 @@ function _configure() {
 	#	use any other variable from ETOOLS inside it
 	# [ -z "${ETOOLS_FIND_COMMAND}" ] && ETOOLS_FIND_COMMAND="fd ${ETOOLS_FIND_ARGS} {package} {repo}"
 	
+	ETOOLS_CHECK_LIVE=true
+	ETOOLS_CHECK_TESTING=true
+
 	# The default path in which to look for the repos
 	ETOOLS_REPO_PATH=${ETOOLS_REPO_PATH:-"/var/db/repos"}
 

etools

@@ -39,7 +39,47 @@ function etools_smart_find() {
 }
 
 
+# NOTE: get latest enabled version for a given package name
+function etools_get_version() {
+	[ -z "$1" ] && eerror "Pass a package name to this function" "\n" && return 2;
+	[ ! -d ${ETOOLS_REPO_PATH}/*/$1 ] && \
+		[ "$ETOOLS_DEBUG" ] && einfo "checked path ${ETOOLS_REPO_PATH}/*/$1" "\n" && \
+		[ ! -d /var/db/repos/*/$1 ] && \
+		[ "$ETOOLS_DEBUG" ] && einfo "checked path /var/db/repos/*/$1" "\n" && \
+		eerror "Pass a package name to this function" "\n" && \
+		return 2;
+	
+	local latest=:
+	. ./helper.sh
+	[ "$ETOOLS_CHECK_LIVE" ] && if _matches_live "$1"; then
+		latest="$(ls -1vr ${ETOOLS_REPO_PATH:-/var/db/repos}/*/$1/*9999*.ebuild | head "-${2:-1}" 2>/dev/null)"
+		[ -n "$latest" ] && latest=${latest%.ebuild} && latest=${latest##*-} && \
+			./helper.sh && echo "$latest" && return 0;
+	fi
+	if [ "$ETOOLS_CHECK_TESTING" ]; then
+		. /etc/portage/make.conf
+		local arch=:
+		arch=$(uname -m)
+		if [ "$arch" = "x86_64" ]; then
+			arch="amd64"
+		fi
+		if [[ "$ACCEPT_KEYWORDS" == *"~$arch"* ]] || _matches_testing "$1" "\~$arch"; then
+			latest=$(_get_latest "$1" "${package_offset[$1]:-0}" "~$arch")
+		fi
+		[ -n "$latest" ] && latest=${latest%.ebuild} && latest=${latest##*-} && \
+			./helper.sh && echo "$latest" && return 0;
+	fi
+	_get_latest "$1" "${package_offset[$1]:-0}" "$arch"
+
+	# WARN: this will not work for revision, because of the second expansion
+	[ -n "$latest" ] && latest=${latest%.ebuild} && latest=${latest##*-} && \
+		./helper.sh && echo "$latest" && return 0;
+			ewarn "No version found for package: $1$( (( ! offset == 0 )) && echo " with offset $offset")"
+}
+
+
 # INFO: unset all variables
+# TODO: move config options to config unset
 function etools_unset() {
 	for variable in \
 		ETOOLS_FIND_CMD \
@@ -54,12 +94,15 @@ function etools_unset() {
 		ETOOLS_DEBUG \
 		etools_configure \
 		etools_smart_find \
+		etools_get_version \
 		etools_unset \
 		einfo \
 		ewarn \
 		eerror;
 	do
 		unset $variable
+		./helper.sh
+		./config.sh
 	done
 }
 

helper.sh

@@ -11,6 +11,9 @@ if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
 		_etools_print_assoc_array \
 		_debug_time \
 		_most_probable \
+		_matches_live \
+		_matches_testing \
+		_get_latest \
 		_filter;
 	do
 		unset $function || echo "failed to unset function: $function"
@@ -23,11 +26,11 @@ function _formatted_find() {
 			# use wordsplitting
 			# shellcheck disable=SC2086
 			fd $ETOOLS_FIND_ARGS "${1}" "${2}"
-			[ "$ETOOLS_DEBUG" = "true" ] && einfo fd "${1}" "${2}" "$ETOOLS_FIND_ARGS" >&2
+			[ "$ETOOLS_DEBUG" = "true" ] && einfo fd "${1}" "${2}" "$ETOOLS_FIND_ARGS" "\n" >&2
 		else
 			# shellcheck disable=SC2086
 			"$ETOOLS_FIND_CMD" "${2}" $ETOOLS_FIND_ARGS "${1}"
-			[ "$ETOOLS_DEBUG" = "true" ] && einfo "${ETOOLS_FIND_CMD}" "${2}" "$ETOOLS_FIND_ARGS" "${1}" >&2
+			[ "$ETOOLS_DEBUG" = "true" ] && einfo "${ETOOLS_FIND_CMD}" "${2}" "$ETOOLS_FIND_ARGS" "${1}" "\n" >&2
 		fi
 	else
 		# TODO: do this with bash variable expansion only
@@ -156,3 +159,42 @@ function _filter() {
 	# _etools_print_assoc_array
 	_get_high
 }
+
+
+function _matches_live() {
+	[ ! -f /etc/portage/package.accept_keywords ] && \
+		[ ! -d /etc/portage/package.accept_keywords ] && \
+		return 1;
+	"$ETOOLS_GREP_CMD" "^=$1-9999" /etc/portage/package.accept_keywords >>/dev/null
+}
+
+function _matches_testing() {
+	[[ "$ACCEPT_KEYWORDS" == *"~amd64"* ]] && return 0;
+	[ ! -f /etc/portage/package.accept_keywords ] && \
+		[ ! -d /etc/portage/package.accept_keywords ] && \
+		return 1;
+
+	"$ETOOLS_GREP_CMD" \
+		"$([ "$ETOOLS_GREP_CMD" == "grep" ] && echo "-E")" \
+		"^$1-[0-9r-]+ *((~|\*)\*|$2)" /etc/portage/package.accept_keywords
+}
+
+function _get_latest() {
+	local offset=$2
+	local latest=:
+	shopt -s globstar nullglob
+	for ebuild in $(ls -1vr /var/db/repos/*/$1/*.ebuild); do
+		if [[ ! "$ebuild" == *"9999"* ]]; then
+			. "$ebuild" >>/dev/null 2>/dev/null
+			if [[ "$KEYWORDS" == *"$3"* ]]; then 
+				latest="$ebuild"
+				offset=$((offset - 1))
+				if (( offset < 0 )); then
+					break;
+				fi
+			fi
+		fi
+	done
+	(( ! offset < 0 )) && ewarn "Unused offset of: $offset"
+	echo "$latest"
+}