Merge pull request #1938 from gaelicWizard/_command_exists

Use `_command_exists` everywhere

completion/available/awscli.completion.bash

@@ -1 +1,6 @@
-[[ -x "$(which aws_completer)" ]] && complete -C "$(which aws_completer)" aws
+# shellcheck shell=bash
+
+if _command_exists aws_completer
+then
+	complete -C "$(command -v aws_completer)" aws
+fi

completion/available/consul.completion.bash

@@ -3,5 +3,5 @@ cite "about-completion"
 about-completion "Hashicorp consul completion"
 
 if _command_exists consul; then
-	complete -C "$(which consul)" consul
+	complete -C "$(command -v consul)" consul
 fi

completion/available/docker-compose.completion.bash

@@ -676,7 +676,7 @@ _docker_compose() {
 	done
 
 	local completions_func=_docker_compose_${command//-/_}
-	declare -F $completions_func >/dev/null && $completions_func
+	_is_function $completions_func && $completions_func
 
 	eval "$previous_extglob_setting"
 	return 0

completion/available/git_flow.completion.bash

@@ -172,6 +172,7 @@ __git_flow_list_hotfixes ()
 }
 
 # temporarily wrap __git_find_on_cmdline() for backwards compatibility
-if [ -z "`type -t __git_find_subcommand`" ]; then
+if ! _command_exists __git_find_subcommand
+then
 	alias __git_find_subcommand=__git_find_on_cmdline
 fi

completion/available/git_flow_avh.completion.bash

@@ -505,6 +505,7 @@ __git_flow_list_branches ()
 }
 
 # alias __git_find_on_cmdline for backwards compatibility
-if [ -z "`type -t __git_find_on_cmdline`" ]; then
+if ! _command_exists __git_find_on_cmdline
+then
 	alias __git_find_on_cmdline=__git_find_subcommand
 fi

completion/available/gradle.completion.bash

@@ -58,9 +58,9 @@ __gradle-set-cache-name() {
 
 __gradle-set-files-checksum() {
     # Cache MD5 sum of all Gradle scripts and modified timestamps
-    if builtin command -v md5 > /dev/null; then
+    if _command_exists md5; then
         gradle_files_checksum=$(md5 -q -s "$(cat "$cache_dir/$cache_name" | xargs ls -o 2>/dev/null)")
-    elif builtin command -v md5sum > /dev/null; then
+    elif _command_exists md5sum; then
         gradle_files_checksum=$(cat "$cache_dir/$cache_name" | xargs ls -o 2>/dev/null | md5sum | awk '{print $1}')
     else
         echo "Cannot generate completions as neither md5 nor md5sum exist on \$PATH"

completion/available/hub.completion.bash

@@ -23,12 +23,12 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 # If there is no git tab completion, but we have the _completion loader try to load it
-if ! declare -F _git > /dev/null && declare -F _completion_loader > /dev/null; then
+if ! _is_function _git && _is_function _completion_loader; then
   _completion_loader git
 fi
 
 # Check that git tab completion is available and we haven't already set up completion
-if declare -F _git > /dev/null && ! declare -F __git_list_all_commands_without_hub > /dev/null; then
+if _is_function _git && ! _is_function __git_list_all_commands_without_hub; then
   # Duplicate and rename the 'list_all_commands' function
   eval "$(declare -f __git_list_all_commands | \
         sed 's/__git_list_all_commands/__git_list_all_commands_without_hub/')"

completion/available/laravel.completion.bash

@@ -1,7 +1,9 @@
 #!/usr/bin/bash
 
-if command -v laravel > /dev/null; then
-    __laravel_completion()  {
+if _command_exists laravel
+then
+    function __laravel_completion()
+	{
         local OPTS=("-h --help -q --quiet --ansi --no-ansi -n --no-interaction -v -vv -vvv --verbose help list new")
         COMPREPLY=()
         for _opt_ in ${OPTS[@]}; do
@@ -9,7 +11,7 @@ if command -v laravel > /dev/null; then
                 COMPREPLY+=("$_opt_")
             fi
         done
-    }
+	}
 
     complete -F __laravel_completion laravel
 fi

completion/available/pew.completion.bash

@@ -1 +1,6 @@
-[[ -x "$(which pew)" ]] && source "$(pew shell_config)"
+# shellcheck shell=bash
+
+if _command_exists pew
+then
+	source "$(pew shell_config)"
+fi

completion/available/sqlmap.completion.bash

@@ -1,21 +1,22 @@
-#!/bin/bash
+# shellcheck shell=bash
 
 # ---------------------------------------------------------------------------+
 #                                                                            |
-# Thanks to Alexander Korznikov                                                                 |
+# Thanks to Alexander Korznikov                                              |
 # http://www.korznikov.com/2014/12/bash-tab-completion-for-awesome-tool.html |
 #                                                                            |
 # ---------------------------------------------------------------------------+
 
-if command -v sqlmap > /dev/null; then
+if _command_exists sqlmap
+then
 
-    _sqlmap()
+    function _sqlmap()
     {
         local cur prev
 
         COMPREPLY=()
-        cur=$(_get_cword)
-        prev=$(_get_pword)
+        cur="$(_get_cword)"
+        prev="$(_get_pword)"
 
         case $prev in
 
@@ -143,7 +144,7 @@ if command -v sqlmap > /dev/null; then
         --mobile --page-rank --purge-output --smart \
         --sqlmap-shell --wizard '
         COMPREPLY=( $( \
-            (while read -d ' ' i; do
+		(while read -d ' ' i; do
                 [[ -z "$i" || "${onlyonce/ ${i%% *} / }" == "$onlyonce" ]] &&
                 continue
                 # flatten array with spaces on either side,
@@ -152,7 +153,7 @@ if command -v sqlmap > /dev/null; then
                 COMPREPLY=" ${COMPREPLY[@]} "
                 # remove word from list of completions
                 COMPREPLY=( ${COMPREPLY/ ${i%% *} / } )
-                done
+			done
                 printf '%s ' "${COMPREPLY[@]}") <<<"${COMP_WORDS[@]}"
             ) )
 

completion/available/travis.completion.bash

@@ -1,5 +1,10 @@
-if [[ -x "$(which travis)" ]]; then
-  __TRAVIS_COMPLETION_SCRIPT="${TRAVIS_CONFIG_PATH:-${HOME}/.travis}/travis.sh"
-  [[ -f "${__TRAVIS_COMPLETION_SCRIPT}" ]] && source "${__TRAVIS_COMPLETION_SCRIPT}"
+# shellcheck shell=bash
+
+if _command_exists travis
+then
+  if [[ -s "${__TRAVIS_COMPLETION_SCRIPT:=${TRAVIS_CONFIG_PATH:-${HOME}/.travis}/travis.sh}" ]]
+	then
+		source "${__TRAVIS_COMPLETION_SCRIPT}"
+	fi
   unset __TRAVIS_COMPLETION_SCRIPT
 fi

completion/available/wpscan.completion.bash

@@ -1,7 +1,7 @@
 # shellcheck shell=bash
 
-if command -v wpscan > /dev/null; then
-	__wpscan_completion() {
+if _command_exists wpscan; then
+	function __wpscan_completion() {
 		local OPTS=("--help --hh --version --url --ignore-main-redirect --verbose --output --format --detection-mode --scope --headers --user-agent --vhost --random-user-agent --user-agents-list --http-auth --max-threads --throttle --request-timeout --connect-timeout --disable-tlc-checks --proxy --proxy-auth --cookie-string --cookie-jar --cache-ttl --clear-cache --server --cache-dir --update --no-update --wp-content-dir --wp-plugins-dir --wp-version-detection --main-theme-detection --enumerate --exclude-content-based --plugins-list --plugins-detection --plugins-version-all --plugins-version-detection --themes-list --themes-detection --themes-version-all --themes-version-detection --timthumbs-list --timthumbs-detection --config-backups-list --config-backups-detection --db-exports-list --db-exports-detection --medias-detection --users-list --users-detection --passwords --usernames --multicall-max-passwords --password-attack --stealthy")
 		COMPREPLY=()
 		for _opt_ in "${OPTS[@]}"; do