!1 add support for zstd compressed deb package.

Merge pull request !1 from Shiroko/N/A

src/opt/uos-packaging-tools/just-X-me

@@ -1,15 +1,43 @@
-#/bin/bash
+#!/bin/bash
 TMPDIR="/tmp"
 
 unpack_package() {
     DEBPATH="$1"
-    package_name=$(dpkg-deb -f "$DEBPATH" Package)
+    ABS_DEBPATH="$(readlink -f "$DEBPATH")"
     OUTPATH=$(dirname "$DEBPATH")
-    mkdir -p "$OUTPATH/$package_name/DEBIAN/"
-    dpkg -e "$DEBPATH" "$OUTPATH/$package_name/DEBIAN/"
-    dpkg -X "$DEBPATH" "$OUTPATH/$package_name/"
+    ABS_OUTPATH="$(readlink -f "$OUTPATH")"
+    local fields=$(LC_ALL=C dpkg -f "$DEBPATH" 2>&1)
+
+    if [[ "$(echo "$fields" | wc -l)" == 1 ]] && [[ "$fields" =~ "tar.zst" ]]; then
+        local tempd=$(mktemp -d)
+        [[ ! -d "$tempd" ]] && exit -1
+        pushd "$tempd"
+        ar x "$ABS_DEBPATH" control.tar.zst
+        ar x "$ABS_DEBPATH" data.tar.zst
+        mkdir DEBIAN
+        [ -f control.tar.zst ] && tar --use-compress-program=unzstd -xvf control.tar.zst -C DEBIAN
+        local package_name="$(grep Package DEBIAN/control | sed 's/^Package: //g')"
+        mkdir -p "$ABS_OUTPATH/$package_name/"
+        mv DEBIAN "$ABS_OUTPATH/$package_name/"
+        mv data.tar.zst "$ABS_OUTPATH/$package_name"
+        popd
+
+        rm -rf "$tempd"
+
+        pushd "$OUTPATH/$package_name/"
+        [[ -f data.tar.zst ]] && tar --use-compress-program=unzstd -xvf data.tar.zst
+        rm -f data.tar.zst
+        popd
+    else
+        package_name=$(dpkg-deb -f "$DEBPATH" Package)
+        mkdir -p "$OUTPATH/$package_name/DEBIAN/"
+
+        dpkg -e "$DEBPATH" "$OUTPATH/$package_name/DEBIAN/"
+        dpkg -X "$DEBPATH" "$OUTPATH/$package_name/"
+    fi
+
     notify-send "$package_name 解包已完成" -i /usr/share/icons/uos-packaging-tools.png
-    
+
     echo "---------------------------------------------------------------------------"
 }