From 182f7683a74e0838c85245376af173ecb46fd8d4 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Tue, 21 Jan 2014 20:22:07 -0500
Subject: mv libre{-testing,}/libretools

---
 libre/libretools/libretools.install | 64 +++++++++++++++++++++++++++++++------
 1 file changed, 54 insertions(+), 10 deletions(-)

(limited to 'libre/libretools/libretools.install')

diff --git a/libre/libretools/libretools.install b/libre/libretools/libretools.install
index d46990da8..35edf68c7 100644
--- a/libre/libretools/libretools.install
+++ b/libre/libretools/libretools.install
@@ -1,14 +1,54 @@
 #!/bin/sh
 
-_makepkgconf_append='[[ ! -x /usr/bin/librefetch ]] || DLAGENTS+=("libre::/usr/bin/librefetch -p \"\$BUILDFILE\" %u %o")'
+_edit_code="          'https::/usr/bin/curl -fLC - --retry 3 --retry-delay 3 -o %o %u'"
+_edit_cmnt='#%s # commented out by the libretools post_install script'
+
+_add_cmnt='# The following line is added by the libretools post_install script'
+_add_code='DLAGENTS+=({https,libre}'\''::/usr/bin/librefetch -p "$BUILDFILE" -- %u %o'\'')'
+
+# These lines were installed by previous versions of this script
+_old_code=(
+	'[[ ! -x /usr/bin/librefetch ]] || DLAGENTS+=("libre::/usr/bin/librefetch -p \"\$BUILDFILE\" %u %o")'
+	'[[ ! -x /usr/bin/librefetch ]] || DLAGENTS+=({https,libre}"::/usr/bin/librefetch -p \"\$BUILDFILE\" -- %u %o")'
+	'DLAGENTS+=({https,libre}"::/usr/bin/librefetch -p $(printf "%q" "$BUILDFILE") -- %u %o")'
+)
+
+# has_line $line
+has_line() { grep -Fxq -- "$1" etc/makepkg.conf; }
+# add_line $line
+add_line() { printf '%s\n' "$1" >> etc/makepkg.conf; }
+# del_line $line
+del_line() {
+	local lineno=($(grep -Fxn -- "$1" etc/makepkg.conf | cut -d: -f1))
+	if [[ "${#lineno[@]}" -gt 0 ]]; then
+		sed -i "$(printf '%dd;' "${lineno[@]}")" etc/makepkg.conf;
+	fi
+}
+# rep_line $orig $replacement_bre
+rep_line() {
+	local lineno=($(grep -Fxn -- "$1" etc/makepkg.conf | cut -d: -f1))
+	if [[ "${#lineno[@]}" == 1 ]]; then
+		sed -i "${lineno}s|.*|${2//|/\\|}|" etc/makepkg.conf;
+	fi
+}
 
 # arg 1:  the new package version
 post_install() {
-	if grep -q 'libre::' etc/makepkg.conf; then
+	if grep -q 'librefetch' etc/makepkg.conf; then
 		libremessages msg2 "libretools: librefetch is already in /etc/makepkg.conf"
+		local line del=false
+		for line in "${_old_code[@]}"; do
+			if has_line "$line"; then
+				pre_remove
+				post_install
+				return $?
+			fi
+		done
 	else
-		libremessages msg2 "libretools: Adding librefetch to /etc/makepkg.conf"
-		printf '%s\n' "$_makepkgconf_append" >> etc/makepkg.conf
+		libremessages msg2 "libretools: adding librefetch to /etc/makepkg.conf"
+		rep_line "$_edit_code" "$(printf "$_edit_cmnt" '&')"
+		add_line "$_add_cmnt"
+		add_line "$_add_code"
 	fi
 }
 
@@ -19,10 +59,14 @@ post_upgrade() {
 }
 
 pre_remove() {
-	if fgrep -q "$_makepkgconf_append" etc/makepkg.conf; then
-		libremessages msg2 "libretools: removing librefetch from /etc/makepkg.conf"
-		sed -i '/libre::/d' etc/makepkg.conf
-	else
-		libremessages msg2 "libretools: librefetch is not in /etc/makepkg.conf as we added it"
-	fi
+	libremessages msg2 "libretools: removing librefetch from /etc/makepkg.conf"
+
+	rep_line "$(printf "$_edit_cmnt" "$_edit_code")" "$_edit_code"
+	del_line "$_add_cmnt"
+	del_line "$_add_code"
+
+	local line
+	for line in "${_old_code[@]}"; do
+		del_line "$line"
+	done
 }
-- 
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