* __fish_complete_subcommand_root now passes arguments to

  __fish_complete_subcommand

* sudo:
  - now can be completed bu group and user (-u and -g keys).
  - subcommand completion is fixed

* __fish_complete_proc.fish is added to complete killall command with
  list of running processes

* __fish_complete_tex.fish is updated with common options

* __fish_make_completion_signals.fish is added to make a list of kill
  signals for kill and killall

* completions:
 - minor filetype completions are added for djview, xpdf, mupdf, gv,
   xdvi
 - adduser is copmleted by user and group
 - dlocate and dpkg are completed by packages
 - find: -executable options is added
 - htop: options
 - funced and funcsave are completed by function names
 - ifdown and ifup are copmleted by interfaces
 - kill and killall: options, signals and processes
 - latexmk, ln, nm: options
 - lualatex and xelatex copmletions
 - sudo: -u and -g options
 - wvdial: presets

1 files changed, 18 insertions, 0 deletions

diff --git a/share/completions/ln.fish b/share/completions/ln.fish
new file mode 100644
index 00000000..d1d0fc02
--- /dev/null
+++ b/share/completions/ln.fish
@@ -0,0 +1,18 @@
+# completions for ln
+# Author: SanskritFritz (gmail)
+
+complete -c ln -f -s s -l symbolic                   -d 'make symbolic links instead of hard links'
+complete -c ln -f      -l backup=CONTROL             -d 'make a backup of each existing destination file'
+complete -c ln -f -s b                               -d 'like --backup but does not accept an argument'
+complete -c ln -f -s d -l directory                  -d 'allow  the  superuser to attempt to hard link directories'
+complete -c ln -f -s f -l force                      -d 'remove existing destination files'
+complete -c ln -f -s i -l interactive                -d 'prompt whether to remove destinations'
+complete -c ln -f -s L -l logical                    -d 'make hard links to symbolic link references'
+complete -c ln -f -s n -l no-dereference             -d 'treat destination that is a symlink to a directory as if it were a normal file'
+complete -c ln -f -s P -l physical                   -d 'make hard links directly to symbolic links'
+complete -c ln -f -s S -l suffix=SUFFIX              -d 'override the usual backup suffix'
+complete -c ln -f -s t -l target-directory=DIRECTORY -d 'specify the DIRECTORY in which to create the links'
+complete -c ln -f -s T -l no-target-directory        -d 'treat LINK_NAME as a normal file'
+complete -c ln -f -s v -l verbose                    -d 'print name of each linked file'
+complete -c ln -f      -l help                       -d 'display this help and exit'
+complete -c ln -f      -l version                    -d 'output version information and exit'