test: return/echo from git helper functions

tests/integration/app_new.bats

@@ -50,9 +50,7 @@ teardown(){
   assert_success
   assert_exists "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
 
-  _get_tag_hash 0.1.1+1.20.2
-  _get_current_hash
-  assert_equal "$tagHash" "$currentHash"
+  assert_equal $(_get_tag_hash 0.1.1+1.20.2) $(_get_current_hash)
 }
 
 @test "does not overwrite existing env files" {
@@ -113,13 +111,12 @@ teardown(){
 
 @test "ensure recipe up to date if no --offline" {
   _reset_recipe
-  _get_n_hash 3
+  wantHash=$(_get_n_hash 3)
 
   run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" reset --hard HEAD~3
   assert_success
 
-  _get_current_hash
-  assert_equal "$currentHash" "$nHash"
+  assert_equal $(_get_current_hash) "$wantHash"
 
   run $ABRA app new "$TEST_RECIPE" \
     --no-input \
@@ -128,22 +125,19 @@ teardown(){
   assert_success
   assert_exists "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
 
-  _get_head_hash
-  _get_current_hash
-  assert_equal "$HEAD_HASH" "$CURRENT_HASH"
+  assert_equal $(_get_head_hash) $(_get_current_hash)
 
   _reset_recipe
 }
 
 @test "ensure recipe not up to date if --offline" {
   _reset_recipe
-  _get_n_hash 3
+  wantHash=$(_get_n_hash 3)
 
   run git -C "$ABRA_DIR/recipes/$TEST_RECIPE" reset --hard HEAD~3
   assert_success
 
-  _get_current_hash
-  assert_equal "$currentHash" "$nHash"
+  assert_equal $(_get_current_hash) "$wantHash"
 
   # NOTE(d1): need to use --chaos to force same commit
   run $ABRA app new "$TEST_RECIPE" \
@@ -155,8 +149,7 @@ teardown(){
   assert_success
   assert_exists "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
 
-  _get_current_hash
-  assert_equal "$currentHash" "$nHash"
+  assert_equal $(_get_current_hash) "$wantHash"
 
   _reset_recipe
 }

tests/integration/helpers/git.bash

@@ -48,19 +48,23 @@ _git_commit() {
 _get_tag_hash() {
   tagHash=$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" rev-list -n 1 "$1")
   assert_success
+  echo "$tagHash"
 }
 
 _get_head_hash() {
   headHash=$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" show -s --format="%H" HEAD)
   assert_success
+  echo "$headHash"
 }
 
 _get_current_hash() {
   currentHash=$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" show -s --format="%H")
   assert_success
+  echo "$currentHash"
 }
 
 _get_n_hash() {
   nHash=$(git -C "$ABRA_DIR/recipes/$TEST_RECIPE" show -s --format="%H" "HEAD~$1")
   assert_success
+  echo "$nHash"
 }