[openwrt/openwrt] build: ipkg-remove: fix source name / package confusion, optimize

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/471fd0a50281ce2a37fece402c4c5bd609b6d580

commit 471fd0a50281ce2a37fece402c4c5bd609b6d580
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jul 15 15:26:16 2025 +0200

    build: ipkg-remove: fix source name / package confusion, optimize
    
    The script always gets passed the package name, not the source name.
    Optimize for the default case where the package name matches the
    filename prefix.
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 scripts/ipkg-remove | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/scripts/ipkg-remove b/scripts/ipkg-remove
index f4957004c0..19d7148e83 100755
--- a/scripts/ipkg-remove
+++ b/scripts/ipkg-remove
@@ -3,17 +3,24 @@
 sourcename="$1"; shift
 
 for pkg in "$@"; do
-	tar -Ozxf "$pkg" ./control.tar.gz 2>/dev/null | tar -Ozxf - ./control 2>/dev/null | \
-	while read field value; do
-		if [ "$field" = "SourceName:" ] && [ "$value" = "$sourcename" ]; then
-			rm -vf "$pkg"
-			break
-		fi
-	done
 	case "$pkg" in
 		*/"${sourcename}_"*.ipk)
 			rm -vf "$pkg"
 		;;
+		*)
+			tar -Ozxf "$pkg" ./control.tar.gz 2>/dev/null | tar -Ozxf - ./control 2>/dev/null | {
+				packagename=
+				abiversion=
+				while read field value; do
+					case "$field" in
+						Package:) packagename="$value";;
+						ABIVersion:) abiversion="$value";;
+					esac
+				done
+				[ -n "$abiversion" ] && packagename="${packagename%%$abiversion}"
+				[ "$packagename" = "$sourcename" ] && rm -vf "$pkg"
+			}
+		;;
 	esac
 done