fix: add .gitignore with '*' pattern in a plugins ._zinit/ directory (#397)

Zinit creates a directory named `._zinit` to store metadata. However, this
metadata should not be added to git.

Closes #395

Signed-off-by: wzy <[email protected]>
Co-authored-by: Vladislav Doster <[email protected]>

Author: Freed-Wu

doc/zsdoc/zinit-install.zsh.adoc

@@ -800,7 +800,7 @@ ____
  `#compdef <names ...>'
 ____
 
-Has 549 line(s). Doesn't call other functions.
+Has 573 line(s). Doesn't call other functions.
 
 Uses feature(s): _autoload_, _bindkey_, _compdef_, _compdump_, _eval_, _read_, _setopt_, _unfunction_, _zle_, _zstyle_
 

doc/zsdoc/zinit.zsh.adoc

@@ -1462,7 +1462,7 @@ ____
  Note that some terminals do not support all combinations.
 ____
 
-Has 117 line(s). Doesn't call other functions.
+Has 120 line(s). Doesn't call other functions.
 
 Called by:
 
@@ -1485,7 +1485,7 @@ ____
  `#compdef <names ...>'
 ____
 
-Has 549 line(s). Doesn't call other functions.
+Has 573 line(s). Doesn't call other functions.
 
 Uses feature(s): _autoload_, _bindkey_, _compdef_, _compdump_, _eval_, _read_, _setopt_, _unfunction_, _zle_, _zstyle_
 

zinit-install.zsh

@@ -393,7 +393,7 @@ builtin source "${ZINIT[BIN_DIR]}/zinit-side.zsh" || {
                         command rm -f "${REPLY:t}.sig"
                     fi
 
-                    command mkdir -p ._zinit
+                    command mkdir -p ._zinit && echo '*' > ._zinit/.gitignore
                     [[ -d ._zinit ]] || return 2
                     builtin print -r -- $url >! ._zinit/url || return 3
                     builtin print -r -- ${REPLY} >! ._zinit/is_release${count:#1} || return 4
@@ -404,7 +404,7 @@ builtin source "${ZINIT[BIN_DIR]}/zinit-side.zsh" || {
                 return 1
             }
         } elif [[ $site = cygwin ]] {
-            command mkdir -p "$local_path/._zinit"
+            command mkdir -p "$local_path/._zinit" && echo '*' > "$local_path/._zinit/.gitignore"
             [[ -d "$local_path" ]] || return 1
 
             (

zinit-side.zsh

@@ -330,7 +330,7 @@
     svn
   )
 
-  command mkdir -p "$___pfx"
+  command mkdir -p "$___pfx" && echo '*' > "$___pfx/.gitignore"
   local ___key ___var_name
   # No nval_ices here
   for ___key in ${ice_order[@]:#(${(~j:|:)nval_ices[@]})} ${(s: :)___add_ices[@]}; do