zsh: cleanup functions completions

functions.zsh

@@ -253,11 +253,34 @@ function retry() {
 # Creats a gitignore for the given argument (e.g. python, cpp, etc)
 function gi() { curl -sL https://www.toptal.com/developers/gitignore/api/$@; }
 
+
+__completion_wrapper(){
+    # Wrapper for completion functions.
+    # These can be used to force loading of all completions
+    # for the given command in order to access specialized
+    # completion functions
+    #
+    # See `__git_completion_wrapper()` below for usage
+    local _completion_function=$1
+    local _completion_base=$2
+    if ! command -v $_completion_function; then
+        $_completion_base
+    fi
+    $_completion_function
+}
+
+__git_completion_wrapper() {
+    # Wrapper for `__git_*` completion functions
+    # Can be used to force loading of specialized git completions
+    # When defining custom commands. See below for usage examples.
+    __completion_wrapper $1 _git
+}
+
 # Runs git log with fzf with preview
-compdef _git fgitlog=git-log
 function fgitlog() {
     git log --oneline $@ | fzf --multi --preview 'git -p show --color=always {+1}' --preview-window=right,60%
 }
+compdef _git fgitlog=git-log
 
 git-commit-show() {
     git log --graph --color=always --format="%C(auto)%h%d %s %C(black)%C(bold)%cr" |
@@ -273,23 +296,28 @@ git-commit-show() {
                 {} FZF-EOF" \
             --preview-window=right:60%
 }
+compdef "__git_completion_wrapper __git_recent_commits" git-commit-show
 
-compdef __git_recent_commits git-fixup
 git-fixup() {
     git commit --fixup=$1
     git -c sequence.editor=true rebase --interactive --autosquash $1^
 }
+compdef "__git_completion_wrapper __git_recent_commits" git-fixup
 
-compdef __git_branch_names git-diff-branch
 git-diff-branch() {
     git diff $@
 }
+compdef "__git_completion_wrapper __git_branch_names" git-diff-branch
 
 if command -v pacman &>/dev/null ; then
-    compdef _pacman_completions_installed_packages pacbins
     pacbins() {
         pacman -Ql $1 | sed -n -e 's/.*\/bin\///p' | tail -n +2
     }
+    _pacbins(){
+        # fix completion
+        __completion_wrapper _pacman_completions_installed_packages _pacman
+    }
+    compdef _pacbins pacbins
 fi
 
 if command -v rustc &>/dev/null
@@ -300,7 +328,6 @@ then
 fi
 
 if command -v fzf &>/dev/null ; then
-    compdef _fzf_complete
     falias() {
         alias | fzf $@ | cut -d= -f 1
     }