feat(brew-bump): add check for is_executable

ci/steps/brew-bump.sh

@@ -69,11 +69,16 @@ main() {
     exit 1
   fi
 
-  # TODO@jsjoeio - check that git-askpass.sh was created
   # Ensure it's executable since we just created it
   chmod +x "$HOME/git-askpass.sh"
 
-  # TODO@jsjoeio - check that git-askpass.sh has executable permissions
+  # Make sure the git-askpass.sh file is executable
+  if [[ $(is_executable "$HOME/git-askpass.sh") -eq 1 ]]; then
+    echo "git-askpass.sh is not executable."
+    ls -la "$HOME/git-askpass.sh"
+    exit 1
+  fi
+
   # GIT_ASKPASS lets us use the password when pushing without revealing it in the process list
   # See: https://serverfault.com/a/912788
   GIT_ASKPASS="$HOME/git-askpass.sh" git push https://[email protected]/cdr-oss/homebrew-core.git --all

test/scripts/steps-lib.bats

@@ -31,7 +31,7 @@ source "$SCRIPT"
 }
 
 @test "file_exists should 0 if file exists" {
-  run file_exists "steps-lib.bats"
+  run file_exists "$SCRIPT"
   [ "$output" = 0 ]
 }