add bash-it

dot_bash_it/plugins/available/goenv.plugin.bash

@@ -0,0 +1,42 @@
+# shellcheck shell=bash
+cite about-plugin
+about-plugin 'load goenv, if you are using it'
+
+# https://github.com/syndbg/goenv
+
+# Load after basher
+# BASH_IT_LOAD_PRIORITY: 260
+
+# Don't modify the environment if we can't find the tool:
+# - 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
+
+# Set GOENV_ROOT, if not already set
+export GOENV_ROOT="${GOENV_ROOT:-$HOME/.goenv}"
+
+# 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 "$(goenv init - bash)"
+
+# If moving to a directory with a goenv version set, reload the shell
+# to ensure the shell environment matches expectations.
+_bash-it-goenv-preexec() {
+	GOENV_OLD_VERSION="$(goenv version-name)"
+}
+_bash-it-goenv-precmd() {
+	if [[ -n $GOENV_OLD_VERSION ]] && [[ "$GOENV_OLD_VERSION" != "$(goenv version-name)" ]]; then
+		exec env -u PATH -u GOROOT -u GOPATH -u GOENV_OLD_VERSION "${0/-/}" --login
+	fi
+	unset GOENV_OLD_VERSION
+}
+preexec_functions+=(_bash-it-goenv-preexec)
+precmd_functions+=(_bash-it-goenv-precmd)