fix: support absolute path

Author: shenmo7192

loong64-it/loong64-it.bash

@@ -21,13 +21,14 @@ abinfo() { echo -e "[\e[96mINFO\e[0m]:  \e[1m$*\e[0m"; }
 abdbg()  { echo -e "[\e[32mDEBUG\e[0m]: \e[1m$*\e[0m"; }
 
 _convert_loong64() {
-	HERE=$(basename $1)
- 	PKG_NAME=$(dpkg-deb -f "$1" Package)
-  	VERSION=$(dpkg-deb -f "$1" Version)
+	PKG_PATH=$(realpath $1)
+ 	PKG_NAME=$(dpkg-deb -f "$PKG_PATH" Package)
+  	VERSION=$(dpkg-deb -f "$PKG_PATH" Version)
+  	HERE=$(basename $1)
 	abinfo "Examining package information: $1 ..."
-	dpkg -I "$SRCDIR"/$1 || \
+	dpkg -I "$PKG_PATH" || \
 		aberr "Invalid dpkg package: control (metadata) archive not found: $?"
-	CONTROL_EXT="$(ar t "$SRCDIR"/$1 | grep control.tar* | cut -f3 -d'.')"
+	CONTROL_EXT="$(ar t "$PKG_PATH" | grep control.tar* | cut -f3 -d'.')"
 	case "${CONTROL_EXT}" in
 		gz)
 			TAR_COMP_FLAG="z"
@@ -50,7 +51,7 @@ _convert_loong64() {
 	cd $(mktemp -d) || \
 		aberr "Failed to create temporary directory to unpack $1: $?."
 	DEBDIR="$(pwd)"
-	ar xv "$SRCDIR"/$1 || \
+	ar xv "$PKG_PATH" || \
 		aberr "Failed to unpack $1: $?."
 
 	abinfo "Unpacking metadata archive: $1 ..."
@@ -80,7 +81,7 @@ _convert_loong64() {
 	cd "$DEBDIR"
 
 	abinfo "Rebuilding dpkg package $1: loong64 ..."
-	ar rv "$SRCDIR"/$1 control.tar.${CONTROL_EXT} || \
+	ar rv "$PKG_PATH" control.tar.${CONTROL_EXT} || \
 		aberr "Failed to rebuild dpkg package $1: $?."
 
         #abinfo "Cleaning up: $1 ..."