git: add lazy checkin scripts

.mgr_config/bin/git-lazy-checkin

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+import argparse
+import subprocess
+import pathlib
+
+
+def call_proc(cmd):
+    return subprocess.run(cmd, check=True, capture_output=True)
+
+
+def lazy_commit(all: bool = True, message: str = None):
+    git_cmd_base = ["git"]
+    try:
+        call_proc(git_cmd_base + ["rev-parse", "--abbrev-ref", "HEAD@{upstream}"])
+    except subprocess.CalledProcessError:
+        print("Current branch has no upstream")
+        # exit(1)
+
+    call_proc(git_cmd_base + ["add", "-A" if all else "-u"])
+    if message is None:
+        try:
+            message = call_proc(git_cmd_base + ["lazy-description"]).stdout
+        except subprocess.CalledProcessError:
+            print("Failed to describe changes, are there any staged changes?")
+            exit(1)
+    call_proc(["git", "commit", "-m", message])
+    # call_proc(["git", "push"])
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Lazily add, commit, and push to upstream."
+    )
+    parser.add_argument(
+        "-a", "--all", help="Add all files, including untracked", action="store_true"
+    )
+    parser.add_argument(
+        "-m",
+        "--message",
+        help='Commit message. Defaults to a "lazily-generated" one',
+        action="store",
+        default=None,
+        type=str,
+    )
+
+    args = parser.parse_args()
+    lazy_commit(all=args.all, message=args.message)
+
+
+if __name__ == "__main__":
+    main()

.mgr_config/bin/git-lazy-description

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+diffstat="$(git diff --staged --numstat | awk '{print ($1 + $2), $3}' | sort -k1nr)"
+count=$(echo "$diffstat" | wc -l)
+if [[ -z "$diffstat" ]]; then
+    echo "No staged changes to describe" >&2
+    exit 1
+fi
+
+file=$(echo "$diffstat" | head -n1 | cut -f2 -d' ')
+
+if [[ $count -eq 1 ]]; then
+    echo "Update $file"
+elif [[ $count -gt 1 ]]; then
+    echo "Update \`$file\` and $((count - 1)) other files"
+fi
+
+
+exit 0