From 953fa35806ee5d9789b1ad029966ca0e9491bbe6 Mon Sep 17 00:00:00 2001
From: ville rantanen <ville.rantanen@iki.fi>
Date: Sat, 10 Mar 2018 17:56:28 +0200
Subject: [PATCH] viery simple file versionizer

---
 bin/cp-version      |  1 +
 files/cp-version.py | 48 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 120000 bin/cp-version
 create mode 100755 files/cp-version.py

diff --git a/bin/cp-version b/bin/cp-version
new file mode 120000
index 0000000..bc9549d
--- /dev/null
+++ b/bin/cp-version
@@ -0,0 +1 @@
+../files/cp-version.py
\ No newline at end of file
diff --git a/files/cp-version.py b/files/cp-version.py
new file mode 100755
index 0000000..5165892
--- /dev/null
+++ b/files/cp-version.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+import os, argparse
+from shutil import copyfile
+
+def get_options():
+    parser = argparse.ArgumentParser(
+        description = 'Copy file with version number'
+    )
+    parser.add_argument('-m', action = "store_true", dest = "move",
+        help = "Move file instead of copying",
+        default = False
+    )
+    parser.add_argument(action = "store", dest = "file")
+    return parser.parse_args()
+
+
+def file_versionize(full_path, move = False):
+    """ Move file to versioned with integer  """
+    file_dir = os.path.dirname(full_path)
+    file_name = os.path.basename(full_path)
+    basename, extension = os.path.splitext(file_name)
+    version = 1
+    while True:
+        new_name = os.path.join(
+            file_dir,
+            "%s.v%02d%s"%(
+                basename,
+                version,
+                extension
+            )
+        )
+        if os.path.exists(new_name):
+            version += 1
+        else:
+            break
+    print("%s -> %s"%(
+        full_path,
+        new_name
+    ))
+    if move:
+        os.rename(full_path, new_name)
+    else:
+        copyfile(full_path, new_name)
+
+
+if __name__ == "__main__":
+    opts = get_options()
+    file_versionize(opts.file, opts.move)