From ff2f8b42d7d471dc80649e84e59c94c82b60dc88 Mon Sep 17 00:00:00 2001
From: Alex Demidoff <alex@demidoff.me>
Date: Sun, 16 Feb 2025 01:51:25 +0300
Subject: [PATCH] PMM-13487 better compat for shasum

---
 build/scripts/build-server-rpm | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/build/scripts/build-server-rpm b/build/scripts/build-server-rpm
index 29be582491..fa10de0ae7 100755
--- a/build/scripts/build-server-rpm
+++ b/build/scripts/build-server-rpm
@@ -21,12 +21,24 @@ get_rpm_version() {
 
 get_shasum256() {
   local DIR=${1:-}
+  local SHASUM=sha256sum
   if [ ! -d "$DIR" ]; then
-    echo -e "Error: directory '$1' does not exist, exiting..."
+    echo
+    echo "Error: directory '$1' does not exist, exiting..." >&2
     exit 1
   fi
 
-  find "$DIR" -type f -print0 | sort -z | xargs -0 shasum -a 256 | shasum -a 256 | cut -d " " -f1 | cut -c 1-8
+  if ! command -v sha256sum &> /dev/null; then
+    if command -v shasum &> /dev/null; then
+      SHASUM="shasum -a 256"
+    else
+      echo
+      echo "Error: 'sha256sum' or 'shasum' command not found, exiting..." >&2
+      exit 1
+    fi
+  fi
+
+  find "$DIR" -type f -print0 | sort -z | xargs -0 "$SHASUM" | "$SHASUM" | cut -d " " -f1 | cut -c 1-8
 }
 
 is_build_needed() {