Don't install grep on macs

Author: Zordrak

lib/helpers.sh

@@ -207,6 +207,18 @@ function error_and_proceed() {
 };
 export -f error_and_proceed;
 
+function check_dependencies() {
+  if [[ $(uname) == 'Darwin' ]] && [ $(which brew) ]; then
+    if ! [ $(which ggrep) ]; then
+      log 'error' 'A metaphysical dichotomy has caused this unit to overload and shut down. GNU Grep is a requirement and your Mac does not have it. Consider "brew install grep"';
+    fi;
+
+    shopt -s expand_aliases;
+    alias grep=ggrep;
+  fi;
+};
+export -f check_dependencies;
+
 source "$TFENV_ROOT/lib/tfenv-exec.sh";
 source "$TFENV_ROOT/lib/tfenv-version-file.sh";
 source "$TFENV_ROOT/lib/tfenv-version-name.sh";

libexec/tfenv-install

@@ -194,14 +194,7 @@ download_signature() {
 # This allows keybase login detection to work on Mac,
 # and is required to be able to detect terraform version
 # from "required_version" setting in "*.tf" files
-if [[ $(uname) == 'Darwin' ]] && [ $(which brew) ]; then
-  if ! [ $(which ggrep) ]; then
-    brew install grep;
-  fi;
-
-  shopt -s expand_aliases;
-  alias grep=ggrep;
-fi;
+check_dependencies;
 
 # Verify signature if verification mechanism (keybase, gpg, etc) is present
 if [[ -f "${TFENV_CONFIG_DIR}/use-gnupg" ]]; then

libexec/tfenv-resolve-version

@@ -61,13 +61,7 @@ done;
 # This allows keybase login detection to work on Mac,
 # and is required to be able to detect terraform version
 # from "required_version" setting in "*.tf" files
-if [[ $(uname) == 'Darwin' ]] && [ $(which brew) ]; then
-  if ! [ $(which ggrep) ]; then
-    brew install grep;
-  fi;
-  shopt -s expand_aliases;
-  alias grep=ggrep;
-fi;
+check_dependencies;
 
 #####################
 # Begin Script Body #

libexec/tfenv-version-name

@@ -60,14 +60,7 @@ done;
 # This allows keybase login detection to work on Mac,
 # and is required to be able to detect terraform version
 # from "required_version" setting in "*.tf" files
-if [[ $(uname) == 'Darwin' ]] && [ $(which brew) ]; then
-  if ! [ $(which ggrep) ]; then
-    brew install grep;
-  fi;
-
-  shopt -s expand_aliases;
-  alias grep=ggrep;
-fi;
+check_dependencies;
 
 #####################
 # Begin Script Body #