plugins: clear and consistent log messages

clean_files.txt

@@ -93,10 +93,13 @@ plugins/available/base.plugin.bash
 plugins/available/basher.plugin.bash
 plugins/available/battery.plugin.bash
 plugins/available/blesh.plugin.bash
+plugins/available/cht.sh.plugin.bash
 plugins/available/cmd-returned-notify.plugin.bash
 plugins/available/direnv.plugin.bash
 plugins/available/dirs.plugin.bash
 plugins/available/docker-machine.plugin.bash
+plugins/available/fasd.plugin.bash
+plugins/available/fzf.plugin.bash
 plugins/available/gif.plugin.bash
 plugins/available/git-subrepo.plugin.bash
 plugins/available/git.plugin.bash
@@ -109,24 +112,28 @@ plugins/available/history.plugin.bash
 plugins/available/hub.plugin.bash
 plugins/available/java.plugin.bash
 plugins/available/jekyll.plugin.bash
+plugins/available/jenv.plugin.bash
 plugins/available/jump.plugin.bash
 plugins/available/latex.plugin.bash
 plugins/available/less-pretty-cat.plugin.bash
 plugins/available/man.plugin.bash
 plugins/available/nginx.plugin.bash
 plugins/available/node.plugin.bash
 plugins/available/nodenv.plugin.bash
+plugins/available/nvm.plugin.bash
 plugins/available/osx-timemachine.plugin.bash
 plugins/available/osx.plugin.bash
 plugins/available/percol.plugin.bash
 plugins/available/plenv.plugin.bash
+plugins/available/powerline.plugin.bash
 plugins/available/projects.plugin.bash
 plugins/available/proxy.plugin.bash
 plugins/available/pyenv.plugin.bash
 plugins/available/python.plugin.bash
 plugins/available/rbenv.plugin.bash
 plugins/available/ruby.plugin.bash
 plugins/available/textmate.plugin.bash
+plugins/available/thefuck.plugin.bash
 plugins/available/todo.plugin.bash
 plugins/available/xterm.plugin.bash
 plugins/available/zoxide.plugin.bash

plugins/available/cht-sh.plugin.bash

@@ -1,21 +1,25 @@
-cite about-plugin
+# shellcheck shell=bash
 about-plugin 'Simplify `curl cht.sh/<query>` to `cht.sh <query>`'
 
 # Play nicely if user already installed cht.sh cli tool
-if ! _command_exists cht.sh ; then
-	function cht.sh () {
-		about 'Executes a cht.sh curl query using the provided arguments'
-		param ' [ ( topic [sub-topic] ) | ~keyword ] [ :list | :help | :learn ]'
-		example '$ cht.sh :help'
-		example '$ cht.sh :list'
-		example '$ cht.sh tar'
-		example '$ cht.sh js "parse json"'
-		example '$ cht.sh python :learn'
-		example '$ cht.sh rust :list'
-		group 'cht-sh'
-
-		# Separate arguments with '/', preserving spaces within them
-		local query=$(IFS=/ ; echo "$*")
-		curl "cht.sh/${query}"
-	}
+if _binary_exists cht.sh ; then
+	_log_warning "You have already installed `cht.sh`, so it's safe to disable this plugin."
+	return 1
 fi
+
+function cht.sh () {
+	about 'Executes a cht.sh curl query using the provided arguments'
+	param ' [ ( topic [sub-topic] ) | ~keyword ] [ :list | :help | :learn ]'
+	example '$ cht.sh :help'
+	example '$ cht.sh :list'
+	example '$ cht.sh tar'
+	example '$ cht.sh js "parse json"'
+	example '$ cht.sh python :learn'
+	example '$ cht.sh rust :list'
+	group 'cht-sh'
+
+	# Separate arguments with '/', preserving spaces within them
+	local query
+	query=$(IFS=/ ; echo "$*")
+	curl "cht.sh/${query}"
+}

plugins/available/direnv.plugin.bash

@@ -1,7 +1,10 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'load direnv, if you are using it: https://direnv.net/'
 
-if _command_exists direnv; then
-	eval "$(direnv hook bash)"
+if ! _binary_exists direnv; then
+	_log_warning "Could not find 'direnv'."
+	return 1
 fi
+
+# shellcheck disable=SC1090
+source < <(direnv hook bash)

plugins/available/fasd.plugin.bash

@@ -1,6 +1,10 @@
-cite about-plugin
+# shellcheck shell=bash
 about-plugin 'load fasd, if you are using it'
 
-_command_exists fasd || return
+if ! _binary_exists fasd; then
+	_log_warning "Unable to locage 'fasd'."
+	return 1
+fi
 
-eval "$(fasd --init auto)"
+# shellcheck disable=SC1090
+source < <(fasd --init auto)

plugins/available/fzf.plugin.bash

@@ -1,42 +1,43 @@
-# Load after the system completion to make sure that the fzf completions are working
-# BASH_IT_LOAD_PRIORITY: 375
-
-cite about-plugin
+# shellcheck shell=bash
 about-plugin 'load fzf, if you are using it'
 
-if [ -r ~/.fzf.bash ] ; then
-  source ~/.fzf.bash
-elif [ -r "${XDG_CONFIG_HOME:-$HOME/.config}"/fzf/fzf.bash ] ; then
-  source "${XDG_CONFIG_HOME:-$HOME/.config}"/fzf/fzf.bash
+# shellcheck source-path=$HOME source-path=$HOME/.config/fzf disable=SC1090 disable=SC1091
+if [[ -r ~/.fzf.bash ]]; then
+	source ~/.fzf.bash
+elif [[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/fzf/fzf.bash" ]]; then
+	source "${XDG_CONFIG_HOME:-$HOME/.config}/fzf/fzf.bash"
 fi
 
 # No need to continue if the command is not present
-_command_exists fzf || return
+if ! _binary_exists fzf; then
+	_log_warning "${BASH_SOURCE[0]##*/}: unable to initialize without '$_' installed."
+	return 1
+fi
 
-if [ -z ${FZF_DEFAULT_COMMAND+x}  ] && _command_exists fd ; then
-  export FZF_DEFAULT_COMMAND='fd --type f'
+if [[ -z ${FZF_DEFAULT_COMMAND+x} ]] && _command_exists fd; then
+	export FZF_DEFAULT_COMMAND='fd --type f'
 fi
 
-fe() {
-  about "Open the selected file in the default editor"
-  group "fzf"
-  param "1: Search term"
-  example "fe foo"
+function fe() {
+	about "Open the selected file in the default editor"
+	group "fzf"
+	param "1: Search term"
+	example "fe foo"
 
-  local IFS=$'\n'
-  local files
-  files=($(fzf-tmux --query="$1" --multi --select-1 --exit-0))
-  [[ -n "$files" ]] && ${EDITOR:-vim} "${files[@]}"
+	local IFS=$'\n'
+	local files
+	IFS=$'\n' read -ra files < <(fzf-tmux --query="$1" --multi --select-1 --exit-0)
+	[[ -n "${files[*]}" ]] && "${EDITOR:-${ALTERNATE_EDITOR:-nano}}" "${files[@]}"
 }
 
-fcd() {
-  about "cd to the selected directory"
-  group "fzf"
-  param "1: Directory to browse, or . if omitted"
-  example "fcd aliases"
+function fcd() {
+	about "cd to the selected directory"
+	group "fzf"
+	param "1: Directory to browse, or . if omitted"
+	example "fcd aliases"
 
-  local dir
-  dir=$(find ${1:-.} -path '*/\.*' -prune \
-                  -o -type d -print 2> /dev/null | fzf +m) &&
-  cd "$dir"
+	local dir
+	dir=$(find "${1:-.}" -path '*/\.*' -prune \
+		-o -type d -print 2> /dev/null | fzf +m) \
+		&& cd "$dir" || return
 }

plugins/available/go.plugin.bash

@@ -1,13 +1,15 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'go environment variables & path configuration'
 
 # Load after basher and goenv
 # BASH_IT_LOAD_PRIORITY: 270
 
 # Test `go version` because goenv creates shim scripts that will be found in PATH
 # but do not always resolve to a working install.
-{ _command_exists go && go version &> /dev/null; } || return 0
+if ! _binary_exists go || ! go version &> /dev/null; then
+	_log_warning "Unable to locate a working 'go'."
+	return 1
+fi
 
 export GOROOT="${GOROOT:-$(go env GOROOT)}"
 export GOPATH="${GOPATH:-$(go env GOPATH)}"
@@ -16,7 +18,7 @@ export GOPATH="${GOPATH:-$(go env GOPATH)}"
 # might be managed differently, we add each path's /bin folder to PATH using pathmunge,
 # while preserving ordering.
 # e.g. GOPATH=foo:bar  ->  PATH=foo/bin:bar/bin
-_bash-it-gopath-pathmunge() {
+function _bash-it-gopath-pathmunge() {
 	_about 'Ensures paths in GOPATH are added to PATH using pathmunge, with /bin appended'
 	_group 'go'
 	if [[ -z $GOPATH ]]; then
@@ -29,7 +31,7 @@ _bash-it-gopath-pathmunge() {
 	while [[ $i -gt 0 ]]; do
 		i=$((i - 1))
 		if [[ -n "${paths[i]}" ]]; then
-			pathmunge "${paths[i]}/bin"
+			pathmunge "${paths[i]}/bin" || true # ignore failures
 		fi
 	done
 }

plugins/available/goenv.plugin.bash

@@ -1,5 +1,4 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'load goenv, if you are using it'
 
 # https://github.com/syndbg/goenv
@@ -11,29 +10,31 @@ about-plugin 'load goenv, if you are using it'
 # - Check if in $PATH already
 # - Check if installed manually to $GOENV_ROOT
 # - Check if installed manually to $HOME
-_command_exists goenv \
-	|| [[ -n "$GOENV_ROOT" && -x "$GOENV_ROOT/bin/goenv" ]] \
-	|| [[ -x "$HOME/.goenv/bin/goenv" ]] \
-	|| return 0
+if ! _binary_exists goenv || ! [[ -n "${GOENV_ROOT:-}" && -x "$GOENV_ROOT/bin/goenv" ]] || ! [[ -x "$HOME/.goenv/bin/goenv" ]]; then
+	_log_warning "Unable to locate 'goenv'."
+	return 1
+fi
 
 # Set GOENV_ROOT, if not already set
-export GOENV_ROOT="${GOENV_ROOT:-$HOME/.goenv}"
+: "${GOENV_ROOT:=$HOME/.goenv}"
+export GOENV_ROOT
 
 # Add GOENV_ROOT/bin to PATH, if that's where it's installed
 if ! _command_exists goenv && [[ -x "$GOENV_ROOT/bin/goenv" ]]; then
 	pathmunge "$GOENV_ROOT/bin"
 fi
 
-# Initialize goenv
-eval "$(goenv init - bash)"
+# shellcheck disable=SC1090 # Initialize goenv
+source < <(goenv init - bash)
 
 # If moving to a directory with a goenv version set, reload the shell
 # to ensure the shell environment matches expectations.
-_bash-it-goenv-preexec() {
+function _bash-it-goenv-preexec() {
 	GOENV_OLD_VERSION="$(goenv version-name)"
 }
-_bash-it-goenv-precmd() {
-	if [[ -n $GOENV_OLD_VERSION ]] && [[ "$GOENV_OLD_VERSION" != "$(goenv version-name)" ]]; then
+
+function _bash-it-goenv-precmd() {
+	if [[ -n "${GOENV_OLD_VERSION:-}" ]] && [[ "$GOENV_OLD_VERSION" != "$(goenv version-name)" ]]; then
 		exec env -u PATH -u GOROOT -u GOPATH -u GOENV_OLD_VERSION "${0/-/}" --login
 	fi
 	unset GOENV_OLD_VERSION

plugins/available/hub.plugin.bash

@@ -1,7 +1,9 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'load hub, if you are using it'
 
-if _command_exists hub; then
-	eval "$(hub alias -s)"
+if ! _binary_exists hub; then
+	_log_warning "Unable to locate 'hub'."
+	return 1
 fi
+
+source < <(hub alias -s)

plugins/available/jenv.plugin.bash

@@ -1,22 +1,23 @@
-cite about-plugin
+# shellcheck shell=bash
 about-plugin 'load jenv, if you are using it'
 
 # Don't modify the environment if we can't find the tool:
 # - Check if in $PATH already
 # - Check if installed manually to $JENV_ROOT
 # - Check if installed manually to $HOME
-_command_exists jenv ||
-  [[ -n "$JENV_ROOT" && -x "$JENV_ROOT/bin/jenv" ]] ||
-  [[ -x "$HOME/.jenv/bin/jenv" ]] ||
-  return
+if ! _binary_exists jenv && ! [[ -n "${JENV_ROOT:-}" && -x "$JENV_ROOT/bin/jenv" ]] && ! [[ -x "$HOME/.jenv/bin/jenv" ]]; then
+	_log_warning "Unable to locate 'jenv'."
+	return 1
+fi
 
 # Set JENV_ROOT, if not already set
-export JENV_ROOT="${JENV_ROOT:-$HOME/.jenv}"
+: "${JENV_ROOT:=$HOME/.jenv}"
+export JENV_ROOT
 
 # Add JENV_ROOT/bin to PATH, if that's where it's installed
-! _command_exists jenv &&
-  [[ -x "$JENV_ROOT/bin/jenv" ]] &&
-  pathmunge "$JENV_ROOT/bin"
+if ! _command_exists jenv && [[ -x "$JENV_ROOT/bin/jenv" ]]; then
+	pathmunge "$JENV_ROOT/bin"
+fi
 
-# Initialize jenv
-eval "$(jenv init - bash)"
+# shellcheck disable=SC1090 # Initialize jenv
+source < <(jenv init - bash)

plugins/available/less-pretty-cat.plugin.bash

@@ -1,8 +1,10 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'pygmentize instead of cat to terminal if possible'
 
-_command_exists pygmentize || return
+if ! _binary_exists pygmentize; then
+	_log_warning "${BASH_SOURCE[0]##*/}: unable to initialize without '$_' installed."
+	return 1
+fi
 
 # pigmentize cat and less outputs - call them ccat and cless to avoid that
 # especially cat'ed output in scripts gets mangled with pygemtized meta characters

plugins/available/node.plugin.bash

@@ -1,14 +1,16 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'Node.js helper functions'
 
 # Check that we have npm
-_command_exists npm || return
+if ! _binary_exists npm; then
+	_log_warning "Unable to locage 'npm'."
+	return 1
+fi
 
 # Ensure local modules are preferred in PATH
 pathmunge "./node_modules/.bin" "after"
 
 # If not using nodenv, ensure global modules are in PATH
-if [[ ! "$(type -p npm)" == *"nodenv/shims"* ]]; then
+if [[ "$(type -p npm)" != *"nodenv/shims"* ]]; then
 	pathmunge "$(npm config get prefix)/bin" "after"
 fi

plugins/available/nodenv.plugin.bash

@@ -1,10 +1,15 @@
 # shellcheck shell=bash
-cite about-plugin
 about-plugin 'load nodenv, if you are using it'
 
-export NODENV_ROOT="$HOME/.nodenv"
-pathmunge "$NODENV_ROOT/bin"
+if [[ -d "${NODENV_ROOT:=$HOME/.nodenv}/bin" ]]; then
+	export NODENV_ROOT
+	pathmunge "$NODENV_ROOT/bin"
+fi
 
-if _command_exists nodenv; then
-	eval "$(nodenv init - bash)"
+if ! _binary_exists nodenv; then
+	_log_warning "Unable to locage 'nodenv'."
+	return 1
 fi
+
+# shellcheck disable=SC1090
+source < <(nodenv init - bash)