feat: automates git add of diffs sampled with sample-git-diffs

depreciates scripts/git-add_QC-sample.sh

scripts/git-add_diff-sample.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+"""
+After creating a diff sample with e.g. sample-git-diffs, this script will `git add $f for f in sampled files`.
+
+"""
+import argparse, subprocess
+
+def main(args):
+    changed_files = []
+    with open(args.diff_file, 'r') as inf:
+        rlines = inf.readlines()
+        lines = [_.strip() for _ in rlines if _.startswith('diff')]
+        [changed_files.append(_.split(' ')[-1][2:]) for _ in lines]
+
+
+    if args.dry_run:
+        [subprocess.call(['git', 'add',  '-n', '--', _]) for _ in changed_files]
+        print(f"{len(changed_files)} files to be added")
+    else:
+        [subprocess.call(['git', 'add', '--', _]) for _ in changed_files]
+        print(f"{len(changed_files)} files added")
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("-d","--diff-file", required=True, help="Path to .diff file.")
+    parser.add_argument("-n", "--dry-run", action="store_true", help="== `git add --dry-run` : Don’t actually add the file(s), just show if they exist and/or will be ignored")
+    args = parser.parse_args()
+    main(args)