updated .envrc

Author: HariSekhon

.envrc

@@ -36,10 +36,15 @@
 #
 #   direnv: loading .envrc
 #   /bin/bash: line 226: $1: unbound variable
+#
+# source_up causes this error is up .envrc is found in parent directories:
+#
+#   direnv: No ancestor .envrc found
 
 set -euo pipefail
 [ -n "${DEBUG:-}" ] && set -x
-srcdir="$(cd "$(dirname "$(readlink "${BASH_SOURCE[0]}")" )" && pwd)"
+src="$(readlink -f "${BASH_SOURCE[0]}")"
+srcdir="$(cd "$(dirname "$src")" && pwd)"
 
 # ============================================================================ #
 #                              P r e - C o m m i t
@@ -96,19 +101,35 @@ export COMPOSE_PROJECT_NAME="SQL-scripts"
 #             P y t h o n ,   A W S ,   G C P ,   T e r r a f o r m
 # ============================================================================ #
 
+# XXX: safer to bring all these external .envrc inline if you're worried about changes
+#      to it bypassing 'direnv allow' authorization
 load_if_exists(){
+    # first arg is a path to a .envrc
+    # all other args are passed to the sourcing of .envrc - used by .envrc-kubernetes
+    # to pass the context name 'docker-desktop' to switch to
     local envrc="$1"
-    if [ -f "$srcdir/$envrc" ]; then
+    shift
+    if ! [[ "$envrc" =~ ^/ ]]; then
+        envrc="$srcdir/$envrc"
+    fi
+    if [ -f "$envrc" ]; then
+        # prevent looping on symlinks to this .envrc if given
+        if [ "$(readlink "$envrc")" = "$src" ]; then
+            return
+        fi
         echo
-        echo "Loading $srcdir/$envrc"
+        echo "Loading $envrc"
         # shellcheck disable=SC1090,SC1091
-        . "$srcdir/$envrc"
+        . "$envrc" "$@"
     fi
 }
 
+#load_if_exists ~/.envrc
+
     #.envrc-aws \
     #.envrc-gcp \
     #.envrc-terraform \
+# shellcheck disable=SC2043
 for envrc in \
     .envrc-python \
     ; do
@@ -132,11 +153,7 @@ fi
 # ============================================================================ #
 
 if [ -f "$srcdir/.envrc-kubernetes" ]; then
-    echo
-    echo "Loading $srcdir/.envrc-kubernetes"
-    # XXX: safer to inline .envrc-kubernetes if you're worried about changes to it bypassing 'direnv allow' authorization
-    # shellcheck disable=SC1090,SC1091
-    . "$srcdir/.envrc-kubernetes" docker-desktop
+    load_if_exists .envrc-kubernetes docker-desktop
 fi
 
 # ============================================================================ #