From 20bd3ef735c06af203f826e0a0b9c5603e00af8c Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <mjo@gentoo.org>
Date: Sat, 19 Dec 2015 17:29:41 -0500
Subject: Replace hard-coded SAPI executable link paths with a function call.

---
 src/php.eselect.in | 49 ++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 38 insertions(+), 11 deletions(-)

diff --git a/src/php.eselect.in b/src/php.eselect.in
index 10edcbd..4af8650 100644
--- a/src/php.eselect.in
+++ b/src/php.eselect.in
@@ -8,10 +8,37 @@ MAINTAINER="php-bugs@gentoo.org"
 
 MODULES="cli apache2 fpm cgi phpdbg"
 
-cli_link="${EROOT}"/usr/bin/php
-fpm_link="${EROOT}"/usr/bin/php-fpm
-cgi_link="${EROOT}"/usr/bin/php-cgi
-dbg_link="${EROOT}"/usr/bin/phpdbg
+
+# Most of the SAPIs (apache2 excluded) provide executables that we
+# symlink to a predictable location. Given a SAPI name, we output
+# that location.
+#
+# For example, the "cgi" SAPI has its active symlink at /usr/bin/php-cgi.
+#
+# Note that the "cli" SAPI actually provides three binaries -- we
+# return the path for only one. This is an API wart, not by design.
+#
+# INPUT:
+#
+# The name of a SAPI that provides an executable.
+#
+# OUTPUT:
+#
+# The path of the symlink for the executable provided by the active
+# version of the given SAPI. An error is raised if the given SAPI
+# does not provide an executable.
+#
+sapi_active_bin_link_path() {
+	local sapi="${1}"
+	local bin_dir="${EROOT}/usr/bin/"
+	case "${sapi}" in
+		cli) echo "${bin_dir}/php" ;;
+		fpm) echo "${bin_dir}/php-fpm" ;;
+		cgi) echo "${bin_dir}/php-cgi" ;;
+		dbg) echo "${bin_dir}/phpdbg" ;;
+        *)   die "SAPI ${sapi} does not provide an executable" ;;
+	esac
+}
 
 cleanup_sapis() {
 	local m
@@ -149,28 +176,28 @@ find_targets_phpdbg() {
 
 get_active_cli() {
 	# See get_active_apache2() for an explanation of the sed call.
-	local target=$(canonicalise "${cli_link}")
+	local target=$(canonicalise "$(sapi_active_bin_link_path cli)")
 	local ver="s:.*/usr/.*/\(php[0-9]\.[0-9][0-9]*\)/bin/php:\1:p"
 	[[ -a "${target}" ]] &&	echo "${target}" | @SED@ -ne "${ver}"
 }
 
 get_active_cgi() {
 	# See get_active_apache2() for an explanation of the sed call.
-	local target=$(canonicalise "${cgi_link}")
+	local target=$(canonicalise "$(sapi_active_bin_link_path cgi)")
 	local ver="s:.*/usr/.*/\(php[0-9]\.[0-9][0-9]*\)/bin/php-cgi:\1:p"
 	[[ -a "${target}" ]] &&	echo "${target}" | @SED@ -ne "${ver}"
 }
 
 get_active_fpm() {
 	# See get_active_apache2() for an explanation of the sed call.
-	local target=$(canonicalise "${fpm_link}")
+	local target=$(canonicalise "$(sapi_active_bin_link_path fpm)")
 	local ver="s:.*/usr/.*/\(php[0-9]\.[0-9][0-9]*\)/bin/php-fpm:\1:p"
 	[[ -a "${target}" ]] &&	echo "${target}" | @SED@ -ne "${ver}"
 }
 
 get_active_phpdbg() {
 	# See get_active_apache2() for an explanation of the sed call.
-	local target=$(canonicalise "${dbg_link}")
+	local target=$(canonicalise "$(sapi_active_bin_link_path dbg)")
 	local ver="s:.*/usr/.*/\(php[0-9]\.[0-9][0-9]*\)/bin/phpdbg:\1:p"
 	[[ -a "${target}" ]] &&	echo "${target}" | @SED@ -ne "${ver}"
 }
@@ -371,7 +398,7 @@ set_cgi() {
 	t=$(resolv_target cgi $1)
 	[[ -z $t ]] && die -q "invalid target"
 	@LN_S@ --force "../..$(get_active_libdir)/${t}/bin/php-cgi" \
-		"${cgi_link}" || \
+		"$(sapi_active_bin_link_path cgi)" || \
 		die -q "failed to create active php-cgi symlink"
 }
 
@@ -379,7 +406,7 @@ set_phpdbg() {
 	t=$(resolv_target phpdbg $1)
 	[[ -z $t ]] && die -q "invalid target"
 	@LN_S@ --force "../..$(get_active_libdir)/${t}/bin/phpdbg" \
-		"${dbg_link}" || \
+		"$(sapi_active_bin_link_path dbg)" || \
 		die -q "failed to create active phpdbg symlink"
 }
 
@@ -387,7 +414,7 @@ set_fpm() {
 	local t=$(resolv_target fpm $1)
 	[[ -z $t ]] && die -q "invalid target"
 	@LN_S@ --force "../..$(get_active_libdir)/${t}/bin/php-fpm" \
-		"${fpm_link}" || \
+		"$(sapi_active_bin_link_path fpm)" || \
 		die -q "failed to create symlink for the php-fpm binary"
 	echo "Please restart php-fpm for the changes to take effect."
 }
-- 
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