Use coreutils checksum tools instead of shasum (#2131)

Author: ivan-hc

APP-MANAGER

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-AMVERSION="9.9.5"
+AMVERSION="9.9.5-1"
 
 # Determine main repository and branch
 AMREPO="https://raw.githubusercontent.com/ivan-hc/AM/main"
@@ -1409,7 +1409,7 @@ _use_sync() {
 
 _use_verify() {
 	# Check if checksum calc tools exist
-	if command -v shasum &> /dev/null && command -v md5sum &> /dev/null; then
+	if command -v sha1sum &>/dev/null && command -v sha256sum &>/dev/null && command -v sha512sum &>/dev/null && command -v md5sum &>/dev/null; then
 		# Check if the download was a tarball/zip file
 		if { [ -f "$argpath/version" ] && grep -q '\.xz$\|\.zip$\|\.gz$' "$argpath/version"; } \
 		|| { [ -f "$argpath/AM-updater" ] && grep -q 'wget.*\.xz \|wget.*\.zip \|wget.*\.gz ' "$argpath/AM-updater"; } \
@@ -1450,15 +1450,15 @@ _use_verify() {
 		# Calculate checksums and remove verified status
 		if [ -f "$argpath"/"$arg" ]; then
 			rm -f "$argpath"/AM-VERIFIED
-			checksum_sha1=$(shasum -a 1 "$argpath/$arg" | awk '{print $1}')
-			checksum_sha256=$(shasum -a 256 "$argpath/$arg" | awk '{print $1}')
-			checksum_sha512=$(shasum -a 512 "$argpath/$arg" | awk '{print $1}')
+			checksum_sha1=$(sha1sum "$argpath/$arg" | awk '{print $1}')
+			checksum_sha256=$(sha256sum "$argpath/$arg" | awk '{print $1}')
+			checksum_sha512=$(sha512sum "$argpath/$arg" | awk '{print $1}')
 			checksum_md5=$(md5sum "$argpath/$arg" | awk '{print $1}')
 		elif [ -f "$argpath"/"$pure_arg" ]; then
 			rm -f "$argpath"/AM-VERIFIED
-			checksum_sha1=$(shasum -a 1 "$argpath/$pure_arg" | awk '{print $1}')
-			checksum_sha256=$(shasum -a 256 "$argpath/$pure_arg" | awk '{print $1}')
-			checksum_sha512=$(shasum -a 512 "$argpath/$pure_arg" | awk '{print $1}')
+			checksum_sha1=$(sha1sum "$argpath/$pure_arg" | awk '{print $1}')
+			checksum_sha256=$(sha256sum "$argpath/$pure_arg" | awk '{print $1}')
+			checksum_sha512=$(sha512sum "$argpath/$pure_arg" | awk '{print $1}')
 			checksum_md5=$(md5sum "$argpath/$pure_arg" | awk '{print $1}')
 		else
 			checksum_msg=$(echo $"Checksum cannot be verified, mismatch in binary name.")
@@ -1476,7 +1476,7 @@ _use_verify() {
 			printf "MD5: %b\nSHA1: %b\nSHA256: %b\nSHA512: %b" "$checksum_sha1" "$checksum_sha256" "$checksum_sha512" "$checksum_md5" > "$argpath"/AM-VERIFIED
 		fi
 	else
-		echo $"Checksum calculation tools do not exist, please install shasum/md5sum."
+		echo $"Checksum calculation tools do not exist, please install coreutils." | sed 's/coreutils/"coreutils"/g'
 	fi
 	unset checksum_sha1 checksum_sha256 checksum_sha512 checksum_md5 digest download_url results
 }