Update dnf.sh

modules/dnf/dnf.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Tell build process to exit if there are any errors.
-set -euo pipefail
+set -euxo pipefail
 
 # Fail the build if dnf5 isn't installed
 if ! rpm -q dnf5 &>/dev/null; then
@@ -33,7 +33,12 @@ if [[ ${#REPOS[@]} -gt 0 ]]; then
   for i in "${!REPOS[@]}"; do
       repo="${REPOS[$i]}"
       repo="${repo//%OS_VERSION%/${OS_VERSION}}"
-      REPOS[$i]="${repo//[$'\t\r\n ']}"
+      # Remove spaces/newlines for all repos other than COPR
+      if [[ "${repo}" != "COPR "* ]]; then
+        REPOS[$i]="${repo//[$'\t\r\n ']}"
+      else
+        REPOS[$i]="${repo}"
+      fi  
   done
   # dnf config-manager & dnf copr don't support adding multiple repositories at once, hence why for/done loop is used
   for repo in "${REPOS[@]}"; do