Move parse_version.py into scripts

scripts/parse_version.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+#
+# parse_version.py - Create a NASM version definition file given
+# version inputs. Usage:
+#
+#     parse_version.py <git-describe version> <git short sha>
+
+
+def split_version(version_string):
+    major, minor, patch_dirty = version_string.split(".")
+    patch_dirty = patch_dirty.split("-")
+
+    return major, minor, patch_dirty[0], len(patch_dirty) > 1
+
+
+def make_nasm(major, minor, patch, dirty, sha):
+    if dirty:
+        dirty = "1"
+    else:
+        dirty = "0"
+
+    lines = [
+        "%define VERSION_MAJOR  {}".format(major),
+        "%define VERSION_MINOR  {}".format(minor),
+        "%define VERSION_PATCH  {}".format(patch),
+        "%define VERSION_GITSHA 0x{}{}".format(dirty, sha),
+    ]
+    return "\n".join(lines)
+
+
+if __name__ == "__main__":
+    import sys
+    if len(sys.argv) != 3:
+        print("Usage: {} <desc version> <git sha>".format(sys.argv[0]), file=sys.stderr)
+        sys.exit(1)
+    print(make_nasm(*split_version(sys.argv[1]), sys.argv[2]))