Add a script to verify MD5 and SHA1 checksums

ctrueden · ctrueden · commit 9273b160b3df · 2014-08-05T10:36:08.000-05:00
diff --git a/verify-checksums.sh b/verify-checksums.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+# verify-checksums.sh - A script to check .md5 and .sha1 checksums.
+# Because apparently there is no built-in way to do this en masse?
+# And there is no Maven plugin to do it either? Shocking! ;-)
+
+if [ "$1" == "" ]
+then
+	echo "Usage: verify-checksum.sh [-v] <directory-to-scan> [<another-directory> ...]"
+	exit 1
+fi
+
+verbose=""
+
+for arg in $@
+do
+	dir=""
+	case "$arg" in
+		-v)
+			verbose=1
+			;;
+		*)
+			dir="$arg"
+			;;
+	esac
+	echo "dir = $dir"
+	test -n "$dir" || continue
+
+	if [ ! -d "$dir" ]
+	then
+		echo "Warning: skipping invalid directory: $dir"
+		continue
+	fi
+
+	# verify MD5 checksums
+	for md5 in $(find "$dir" -name '*.md5')
+	do
+		file="${md5%.md5}"
+		if [ ! -f "$file" ]
+		then
+			echo "[FAIL] $file: file does not exist"
+			continue
+		fi
+		expected="$(cat "$md5")"
+		actual="$(md5sum "$file" | cut -d ' ' -f 1)"
+		if [ "$expected" == "$actual" ]
+		then
+			test "$verbose" && echo "[PASS] $file"
+		else
+			echo "[FAIL] $file: expected $expected but was $actual"
+		fi
+	done
+
+	# verify SHA-1 checksums
+	for sha1 in $(find "$dir" -name '*.sha1')
+	do
+		file="${sha1%.sha1}"
+		if [ ! -f "$file" ]
+		then
+			echo "[FAIL] $file: file does not exist"
+			continue
+		fi
+		expected="$(cat "$sha1")"
+		actual="$(sha1sum "$file" | cut -d ' ' -f 1)"
+		if [ "$expected" == "$actual" ]
+		then
+			test "$verbose" && echo "[PASS] $file"
+		else
+			echo "[FAIL] $file: expected $expected but was $actual"
+		fi
+	done
+done
