advertise-provided-libraries.PKGBUILDpatch: avoid duplicate provides

1 files changed, 18 insertions, 14 deletions

diff --git a/advertise-provided-libraries.PKGBUILDpatch b/advertise-provided-libraries.PKGBUILDpatch
index 97bc59f4..300516f9 100644
--- a/advertise-provided-libraries.PKGBUILDpatch
+++ b/advertise-provided-libraries.PKGBUILDpatch
@@ -1,20 +1,24 @@
 if printf '%s\n' "${arch[@]}" | grep -qvxF any; then
   if [ -d "${pkgdir}/usr/lib" ]; then
-    provides+=(
+    provides=(
       $(
-        find "${pkgdir}/usr/lib" \
-          -name '*.so' -printf '%p\n' \
-        | while read -r fn; do
-          if ! LC_ALL=C readelf -h "$fn" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
-            # no shared object
-            continue
-          fi
-          if ! LC_ALL=C readelf -d "$fn" 2>/dev/null | grep -q '.*Library soname: \[.*\].*'; then
-            # not versioned
-            continue
-          fi
-          printf '%s\n' "${fn##*/}"
-        done
+        {
+          printf '%s\n' "${provides[@]}"
+          find "${pkgdir}/usr/lib" \
+            -name '*.so' -printf '%p\n' \
+          | while read -r fn; do
+            if ! LC_ALL=C readelf -h "$fn" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then
+              # no shared object
+              continue
+            fi
+            if ! LC_ALL=C readelf -d "$fn" 2>/dev/null | grep -q '.*Library soname: \[.*\].*'; then
+              # not versioned
+              continue
+            fi
+            printf '%s\n' "${fn##*/}"
+          done
+        } \
+        | sort -u
       )
     )
   fi