genisoimage: Use _parse_help instead of hardcoding options, add basic test case.

completions/genisoimage

@@ -27,37 +27,7 @@ _mkisofs()
     esac
 
     if [[ "$cur" == -* ]]; then
-        COMPREPLY=( $( compgen -W '-abstract -appid -allow-lowercase \
-            -allow-multidot -biblio -cache-inodes -no-cache-inodes \
-            -eltorito-boot -eltorito-alt-boot -sparc-boot -generic-boot \
-            -hard-disk-boot -no-emul-boot -no-boot -boot-load-seg \
-            -boot-load-size -boot-info-table -cdrecord-params \
-            -eltorito-catalog -check-oldname -check-session -copyright \
-            -omit-period -disable-deep-relocation -dir-mode -dvd-video \
-            -follow-links -file-mode -gid -gui -graft-points -hide -hide-list \
-            -hidden -hidden-list -hide-joliet -hide-joliet-list \
-            -hide-joliet-trans-tbl -hide-rr-moved -input-charset \
-            -output-charset -iso-level -joliet -joliet-long -jcharset \
-            -full-iso9660-filenames -allow-leading-dots -log-file -exclude \
-            -exclude-list -max-iso9660-filenames -prev-session \
-            -omit-version-number -new-dir-mode -nobak -no-bak -force-rr -no-rr \
-            -no-split-symlink-components -no-split-symlink-fields -output -pad \
-            -no-pad -path-list -publisher -preparer -print-size -quiet -rock
-            -rational-rock -relaxed-filenames -sort -split-output \
-            -stream-media-size -stream-file-name -sysid -translation-table \
-            -table-name -ucs-level -udf -uid -use-fileversion \
-            -untranslated-filenames -no-iso-translate -volid -volset \
-            -volset-size -volset-seqno -verbose -old-exclude \
-            -transparent-compression -hfs -apple -map -magic -hfs-creator \
-            -hfs-type -probe -no-desktop -mac-name \
-            -boot-hfs-file -part -auto -cluster-size \
-            -hide-hfs -hide-hfs-list -hfs-volid \
-            -icon-position -root-info -prep-boot \
-            -input-hfs-charset -output-hfs-charset \
-            -hfs-unlock -hfs-bless -hfs-parms --cap \
-            --netatalk --double --ethershare --ushare \
-            --exchange --sgi --xinet --macbin --single \
-            --dave --sfm --osx-double --osx-hfs' -- "$cur" ))
+        COMPREPLY=( $( compgen -W '$( _parse_help "$1" -help )' -- "$cur" ) )
     else
         _filedir
     fi

test/completion/genisoimage.exp

@@ -0,0 +1 @@
+assert_source_completions genisoimage

test/lib/completions/genisoimage.exp

@@ -0,0 +1,18 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "genisoimage "
+sync_after_int
+
+
+teardown