fix(java,rsync,scp): handle quoted space in filepaths properly

Filenames containing a special character are not properly completed
[1].  These completions generate filenames by pathname expanaion using
$cur.  However, $cur contains the word on the command line including
quotaing, such as cur='file\ with\ space.txt' and cur='"a b c.txt"'.
This patch obtains the value of "cur" using _comp_dequote.

[1] #1232

This patch also fixes a similar case in completions/java.

Author: akinomyoga

completions/java

@@ -113,12 +113,16 @@ _comp_cmd_java__packages()
     _comp_cmd_java__find_sourcepath || return 0
     local -a sourcepaths=("${REPLY[@]}")
 
+    local REPLY
+    _comp_dequote "$cur"
+    local cur_val=${REPLY-}
+
     # convert package syntax to path syntax
     local cur=${cur//.//}
     # parse each sourcepath element for packages
     for i in "${sourcepaths[@]}"; do
         if [[ -d $i ]]; then
-            _comp_expand_glob files '"$i/$cur"*' || continue
+            _comp_expand_glob files '"$i/$cur_val"*' || continue
             _comp_split -la COMPREPLY "$(
                 command ls -F -d "${files[@]}" 2>/dev/null |
                     command sed -e 's|^'"$i"'/||'

completions/ssh

@@ -565,8 +565,12 @@ _comp_xfunc_scp_compgen_local_files()
         shift
     fi
 
+    local REPLY
+    _comp_dequote "$cur"
+    local cur_val=${REPLY-}
+
     local files
-    _comp_expand_glob files '"$cur"*' || return 0
+    _comp_expand_glob files '"$cur_val"*' || return 0
     _comp_compgen -RU files split -l ${1:+-P "$1"} -- "$(
         command ls -aF1dL "${files[@]}" 2>/dev/null |
             _comp_cmd_scp__escape_path "$_dirsonly"

test/t/test_rsync.py

@@ -73,3 +73,7 @@ def test_remote_path_with_spaces(self, bash):
             completion == r"\ in\ filename.txt"
             or completion == r"\\\ in\\\ filename.txt"
         )
+
+    @pytest.mark.complete("rsync -na spaced\\ ", cwd="scp")
+    def test_local_path_with_spaces(self, completion):
+        assert completion

test/t/test_scp.py

@@ -174,3 +174,11 @@ def test_local_path_mark_1(self, bash, tmpdir_mkfifo):
             bash, "scp local_path_1-", cwd=tmpdir_mkfifo
         )
         assert completion == "pipe"
+
+    @pytest.mark.complete("scp spa", cwd="scp")
+    def test_local_path_with_spaces_1(self, completion):
+        assert completion == "ced\\ \\ conf"
+
+    @pytest.mark.complete("scp spaced\\ ", cwd="scp")
+    def test_local_path_with_spaces_2(self, completion):
+        assert completion