Merge pull request #487 from zsh-users/features/completion-ignore

Allow skipping completion suggestions when buffer matches a pattern

Author: ericfreese

README.md

@@ -93,6 +93,12 @@ Set `ZSH_AUTOSUGGEST_HISTORY_IGNORE` to a glob pattern to prevent offering sugge
 
 **Note:** This only affects the `history` and `match_prev_cmd` suggestion strategies.
 
+### Skipping completion suggestions for certain cases
+
+Set `ZSH_AUTOSUGGEST_COMPLETION_IGNORE` to a glob pattern to prevent offering completion suggestions when the buffer matches that pattern. For example, set it to `"git *"` to disable completion suggestions for git subcommands.
+
+**Note:** This only affects the `completion` suggestion strategy.
+
 
 ### Key Bindings
 

spec/strategies/completion_spec.rb

@@ -5,7 +5,9 @@
       session.
         run_command('autoload compinit && compinit').
         run_command('_foo() { compadd bar; compadd bat }').
-        run_command('compdef _foo baz')
+        run_command('_num() { compadd two; compadd three }').
+        run_command('compdef _foo baz').
+        run_command('compdef _num one')
     end
   end
 
@@ -37,6 +39,21 @@
     end
   end
 
+  context 'when ZSH_AUTOSUGGEST_COMPLETION_IGNORE is set to a pattern' do
+    let(:options) { ['ZSH_AUTOSUGGEST_STRATEGY=completion', 'ZSH_AUTOSUGGEST_COMPLETION_IGNORE="one *"'] }
+
+    it 'makes suggestions when the buffer does not match the pattern' do
+      session.send_string('baz ')
+      wait_for { session.content }.to eq('baz bar')
+    end
+
+    it 'does not make suggestions when the buffer matches the pattern' do
+      session.send_string('one t')
+      sleep 1
+      expect(session.content).to eq('one t')
+    end
+  end
+
   context 'when async mode is enabled' do
     let(:options) { ['ZSH_AUTOSUGGEST_USE_ASYNC=true', 'ZSH_AUTOSUGGEST_STRATEGY=completion'] }
 

src/strategies/completion.zsh

@@ -96,6 +96,12 @@ _zsh_autosuggest_capture_completion_async() {
 }
 
 _zsh_autosuggest_strategy_completion() {
+	# Reset options to defaults and enable LOCAL_OPTIONS
+	emulate -L zsh
+
+	# Enable extended glob for completion ignore pattern
+	setopt EXTENDED_GLOB
+
 	typeset -g suggestion
 	local line REPLY
 
@@ -105,6 +111,9 @@ _zsh_autosuggest_strategy_completion() {
 	# Exit if we don't have zpty
 	zmodload zsh/zpty 2>/dev/null || return
 
+	# Exit if our search string matches the ignore pattern
+	[[ -n "$ZSH_AUTOSUGGEST_COMPLETION_IGNORE" ]] && [[ "$1" == $~ZSH_AUTOSUGGEST_COMPLETION_IGNORE ]] && return
+
 	# Zle will be inactive if we are in async mode
 	if zle; then
 		zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME _zsh_autosuggest_capture_completion_sync

zsh-autosuggestions.zsh

@@ -592,6 +592,12 @@ _zsh_autosuggest_capture_completion_async() {
 }
 
 _zsh_autosuggest_strategy_completion() {
+	# Reset options to defaults and enable LOCAL_OPTIONS
+	emulate -L zsh
+
+	# Enable extended glob for completion ignore pattern
+	setopt EXTENDED_GLOB
+
 	typeset -g suggestion
 	local line REPLY
 
@@ -601,6 +607,9 @@ _zsh_autosuggest_strategy_completion() {
 	# Exit if we don't have zpty
 	zmodload zsh/zpty 2>/dev/null || return
 
+	# Exit if our search string matches the ignore pattern
+	[[ -n "$ZSH_AUTOSUGGEST_COMPLETION_IGNORE" ]] && [[ "$1" == $~ZSH_AUTOSUGGEST_COMPLETION_IGNORE ]] && return
+
 	# Zle will be inactive if we are in async mode
 	if zle; then
 		zpty $ZSH_AUTOSUGGEST_COMPLETIONS_PTY_NAME _zsh_autosuggest_capture_completion_sync