From 075e7b4df615a60a2302a849d1e9c8a65312dece Mon Sep 17 00:00:00 2001
From: Max Rees <maxcrees@me.com>
Date: Sat, 11 Apr 2020 19:11:29 -0500
Subject: resignapk: support re-signing APKINDEX

---
 resignapk.in | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/resignapk.in b/resignapk.in
index 9479c3d..fd558a2 100644
--- a/resignapk.in
+++ b/resignapk.in
@@ -93,19 +93,33 @@ cleanup() {
 }
 trap cleanup INT EXIT
 
-for apk in "$@"; do
+for apk; do
 	case "$apk" in
 	/*) ;;
 	*) apk="$PWD/$apk";;
 	esac
 	apk_basename="${apk##*/}"
 
-	msg 'Splitting .apk...'
+	case "$apk" in
+	*.apk)
+		signpart=control.tar.gz
+		filetype=.apk
+		;;
+	*/APKINDEX.tar.gz)
+		signpart=data.tar.gz
+		filetype=APKINDEX
+		;;
+	*)
+		die 'Unknown file type'
+		;;
+	esac
+
+	msg "Splitting $filetype..."
 	tmpdir="$(mktemp -td resignapk.XXXXXX)"
 	cd "$tmpdir"
 	abuild-gzsplit < "$apk"
 
-	if [ -n "$packager" ]; then
+	if [ -n "$packager" ] && [ "$filetype" = .apk ]; then
 		msg 'Updating control.tar.gz'
 		tar -xf control.tar.gz
 		ctrl_files="$(tar -tf control.tar.gz)"
@@ -116,16 +130,24 @@ for apk in "$@"; do
 			| gzip -9 > control.tar.gz
 	fi
 
-	abuild-sign -k "$privkey" -p "$pubkey" -q control.tar.gz
+	abuild-sign -k "$privkey" -p "$pubkey" -q "$signpart"
 
 	msg 'Old signatures:'
 	list_sigs signatures.tar.gz
 	msg 'New signatures:'
-	list_sigs control.tar.gz
+	list_sigs "$signpart"
 
-	[ -n "$inplace" ] && msg 'Updating apk' || msg 'Creating apk.new'
-	[ -n "$inplace" ] || apk="$apk.new"
+	if [ -n "$inplace" ]; then
+		msg "Updating $filetype"
+	else
+		msg "Creating $filetype.new"
+		apk="$apk.new"
+	fi
 
-	cat control.tar.gz data.tar.gz > "$apk"
+	if [ "$filetype" = APKINDEX ]; then
+		mv data.tar.gz "$apk"
+	else
+		cat control.tar.gz data.tar.gz > "$apk"
+	fi
 	cleanup
 done
-- 
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