From bf55487f97abc7370d1ac4acefa521ef6baeecb8 Mon Sep 17 00:00:00 2001
From: "Aaron W. Swenson" <titanofold@gentoo.org>
Date: Sun, 30 Oct 2016 14:27:49 -0400
Subject: Add pkg-config support

Among some other cleanups, add pkg-config support.
---
 postgresql.eselect | 59 +++++++++++++++++++++++-------------------------------
 1 file changed, 25 insertions(+), 34 deletions(-)

diff --git a/postgresql.eselect b/postgresql.eselect
index 9bb009a..7ff9b83 100644
--- a/postgresql.eselect
+++ b/postgresql.eselect
@@ -103,19 +103,6 @@ linker() {
 	done
 }
 
-### TODO: Refactor so that it searches source directories for removal targets,
-### and move the old stuff into do_update
-
-### Unlinker Function ###
-# Takes one argument:
-#   - Full path to active links file (e.g. /etc/eselect/postgresql/active.links)
-unlinker() {
-	local dir
-	local pattern
-	local findings
-
-}
-
 ### Get Slots Function ###
 # Find all available slots in the preferred lib_dir() and return them.
 get_slots() {
@@ -123,8 +110,8 @@ get_slots() {
 	local found_slots
 
 	for slot in $(find "${USR_PATH}/$(lib_dir)/" -maxdepth 1 -type d \
-		-regex '.*postgresql-[0-9][0-9]*\.[0-9][0-9]*' | \
-		sed -re 's#.*([0-9]+\.[0-9]+)$#\1#' | sort -n)
+		-regex '.*/postgresql-[1-9][0-9]*\.*[0-9]*' | \
+		sed -re 's#.*([1-9][0-9]*\.*[0-9]*)$#\1#' | sort -n)
 	do
 		# Check that pg_config exists for this slot, otherwise we have
 		# a false positive.
@@ -282,19 +269,13 @@ describe_unset() {
 # Undo everything done by do_set().
 do_unset() {
 	local SLOT=$1
-	if [[ ${SLOT} = $(active_slot) ]] ; then
-		echo -n "Unsetting ${SLOT} as the default installation..."
-
-		echo "done."
-		echo "Setting a new slot as the default."
-		do_update
-	else
-		echo "Inactive slot selected. No work to do."
+	if [[ ${SLOT} != $(active_slot) ]] ; then
+		echo "Slot already inactive; no work to do."
+		return 0
 	fi
 
 	local l
 	for l in ${INCLUDE_TARGETS[@]} "${USR_PATH}/share/postgresql" ; do
-		# Remove target before creating the symlink
 		[[ -h ${l} ]] && rm -f "${l}"
 
 		# Check if include target still exists
@@ -302,16 +283,19 @@ do_unset() {
 			die -q "The target '${l}' exists and could not be removed!"
 	done
 
+	for l in $(find "${USR_PATH}/bin" -type l) ; do
+		if [[ $(realpath ${l} | grep -c postgresql) -ge 1 ]] ; then
+			rm "${l}"
+		fi
+	done
+
 	for x in $(list_libdirs) ; do
-		if [[ -d ${USR_PATH}/${x}/postgresql-${SLOT}/${x} ]] ; then
-			if [[ -h "${USR_PATH}/${x}/postgresql" ]] ; then
-				rm -f "${USR_PATH}/${x}/postgresql"
-				[[ -e "${USR_PATH}/${x}/postgresql" ]] && \
-					die -q "Unable to remove '${USR_PATH}/${x}/postgresql'"
-			fi
-
-			unlinker "${USR_PATH}/${x}/postgresql-${SLOT}/${x}/" \
-					 "-name lib*" "${USR_PATH}/${x}"
+		if [[ -h "${USR_PATH}/${x}/postgresql" ]] ; then
+			for l in $(find "${USR_PATH}/${x}" -type l) ; do
+				if [[ $(realpath ${l} | grep -c postgresql) -ge 1 ]] ; then
+					rm "${l}"
+				fi
+			done
 		fi
 	done
 }
@@ -401,18 +385,24 @@ do_update() {
 
 	# Update paths to libs and man pages
 	local ldpath
+	local pcpath
 	local x
 	for x in $(list_libdirs) ; do
-		[[ -h ${USR_PATH}/${x}/postgresql ]] && \
+		if [[ -h ${USR_PATH}/${x}/postgresql ]] ; then
 			ldpath+="${USR_PATH}/${x}/postgresql:"
+			pcpath+="${USR_PATH}/${x}/postgresql/pkgconfig:"
+		fi
 	done
 	ldpath="${ldpath%:}"
+	pcdpath="${pcpath%:}"
 	local manpath="${USR_PATH}/share/postgresql/man/"
 	while [[ $[--index] -gt -1 ]] ; do
 		local curslot="${slots[$index]}"
 		for x in $(list_libdirs) ; do
 			local lib_path="${USR_PATH}/${x}/postgresql-${curslot}/${x}/"
+			local pkg_path="${lib_path}/pkgconfig"
 			[[ -d ${lib_path} ]] && ldpath+=":${lib_path}"
+			[[ -d ${pkg_path} ]] && pcpath+=":${pcpath}"
 		done
 		local tmp_manpath="${USR_PATH}/share/postgresql-${curslot}/man/"
 		[[ -d ${tmp_manpath} ]] && manpath+=":${tmp_manpath}"
@@ -421,5 +411,6 @@ do_update() {
 
 	store_config "${ENV_FILE}" LDPATH "${ldpath}"
 	store_config "${ENV_FILE}" MANPATH "${manpath}"
+	store_config "${ENV_FILE}" PKG_CONFIG_PATH "${pcpath}"
 	do_action env update &> /dev/null
 }
-- 
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