README.md

@@ -88,12 +88,14 @@ filename.ext.orig.20251110T174400
 ## Functionalities
 
 ### List all backup files stored in your backup directory.
+
 ```
 mirro --list
 ```
 Output includes permissions, owner/group, timestamps, and backup filenames.
 
 ### Restore the most recent backup for a given file.
+
 ```
 mirro --restore-last ~/.config/myapp/config.ini
 ```
@@ -105,24 +107,28 @@ This:
 3. and overwrites the target file with its original contents.
 
 ### Remove old backup files.
+
 ```
 mirro --prune-backups
 ```
 This removes backups older than the number of days set in `MIRRO_BACKUPS_LIFE`.
 
 ### Remove backups older than _N_ days
+
 ```
 mirro --prune-backups=14
 ```
 This keeps the last 14 days of backups and removes everything older.
 
 ### Remove all backups
+
 ```
 mirro --prune-backups=all
 ```
 This deletes every backup in the backup directory.
 
 ### Environment Variable
+
 `MIRRO_BACKUPS_LIFE` controls the default number of days to keep when using `mirro --prune-backups`.
 Its default value is **30** if not set otherwise.
 ```
@@ -135,11 +141,23 @@ Invalid or non-numeric values fall back to 30 days.
 **Note:** _a value of 0 is **invalid**_.
 
 ### Built-in diff
+
 This shows a _git-like_ diff of the current file version and any of that file backups.
 ```
 mirro --diff file file.orig.20251121T163121
 ```
 
+### Shows current directory's history
+
+Shows which files in the current directory have _**edit history**_ recorded by mirro.
+For each file, it prints how many revisions exist and when the latest one was saved.
+```
+mirro --status
+
+Files with history in /foo/bar:
+  baz.conf         (3 revisions, latest: 2025-01-12 14:03 UTC)
+```
+
 ## Installation
 
 ### From package manager
@@ -183,6 +201,18 @@ cd mirro/
 poetry install
 ```
 
+## TAB completion
+
+Add this to your `.bashrc`
+```
+eval "$(register-python-argcomplete mirro)"
+```
+
+And then
+```
+source ~/.bashrc
+```
+
 ## How to run the tests
 
 - Clone this repository

poetry.lock

@@ -1,5 +1,19 @@
 # This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
+[[package]]
+name = "argcomplete"
+version = "3.6.3"
+description = "Bash tab completion for argparse"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "argcomplete-3.6.3-py3-none-any.whl", hash = "sha256:f5007b3a600ccac5d25bbce33089211dfd49eab4a7718da3f10e3082525a92ce"},
+    {file = "argcomplete-3.6.3.tar.gz", hash = "sha256:62e8ed4fd6a45864acc8235409461b72c9a28ee785a2011cc5eb78318786c89c"},
+]
+
+[package.extras]
+test = ["coverage", "mypy", "pexpect", "ruff", "wheel"]
+
 [[package]]
 name = "cfgv"
 version = "3.4.0"
@@ -488,4 +502,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10,<4.0"
-content-hash = "98acd9fd57ec90c98a407b83122fd9c8ed432383e095a47d44e201bf187d3107"
+content-hash = "c7b7c37f18023c55d23bd61dad81cc93600a14a17fbed43958afaac369a52f91"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mirro"
-version = "0.4.0"
+version = "0.5.0"
 description = "A safe editing wrapper: edits a temp copy, compares, and saves original backup if changed."
 authors = ["Marco D'Aleo <marco@marcodaleo.com>"]
 license = "GPL-3.0-or-later"
@@ -11,6 +11,7 @@ packages = [{include = "mirro", from = "src"}]
 
 [tool.poetry.dependencies]
 python = ">=3.10,<4.0"
+argcomplete = ">=2"
 
 [tool.poetry.scripts]
 mirro = "mirro.main:main"

src/mirro/main.py

@@ -1,5 +1,6 @@
 import importlib.metadata
 import argparse
+import argcomplete
 import tempfile
 import subprocess
 import os
@@ -120,6 +121,14 @@ def main():
         help="Show a unified diff between FILE and BACKUP and exit",
     )
 
+    parser.add_argument(
+        "--status",
+        action="store_true",
+        help="Show which files in the current directory have 'revisions'",
+    )
+
+    argcomplete.autocomplete(parser)
+
     # Parse only options. Leave everything else untouched.
     args, positional = parser.parse_known_args()
 
@@ -249,6 +258,52 @@ def main():
 
         return
 
+    if args.status:
+        backup_dir = Path(args.backup_dir).expanduser().resolve()
+        cwd = Path.cwd()
+
+        if not backup_dir.exists():
+            print(f"No mirro backups found in {cwd}.")
+            return 0
+
+        # Build map: filename -> list of backups
+        backup_map = {}
+        for b in backup_dir.iterdir():
+            name = b.name
+            if ".orig." not in name:
+                continue
+            filename, _, _ = name.partition(".orig.")
+            backup_map.setdefault(filename, []).append(b)
+
+        # Find files in current dir that have backups
+        entries = []
+        for file in cwd.iterdir():
+            if file.is_file() and file.name in backup_map:
+                backups = backup_map[file.name]
+                backups_sorted = sorted(
+                    backups, key=lambda x: x.stat().st_mtime, reverse=True
+                )
+                latest = backups_sorted[0]
+
+                latest_mtime = time.strftime(
+                    "%Y-%m-%d %H:%M:%S UTC",
+                    time.gmtime(latest.stat().st_mtime),
+                )
+
+                entries.append((file.name, len(backups), latest_mtime))
+
+        # Nothing found?
+        if not entries:
+            print(f"No mirro backups found in {cwd}.")
+            return 0
+
+        # Otherwise print nice report
+        print(f"Files with history in {cwd}:")
+        for name, count, latest in entries:
+            print(f"  {name:16} ({count} revision(s), latest: {latest})")
+
+        return 0
+
     if args.restore_last:
         backup_dir = Path(args.backup_dir).expanduser().resolve()
         target = Path(args.restore_last).expanduser().resolve()
@@ -265,7 +320,7 @@ def main():
         ]
 
         if not backups:
-            print(f"No backups found for {target}")
+            print(f"No history found for {target}")
             return 1
 
         # newest backup

tests/test_mirro.py

@@ -565,3 +565,65 @@ def test_diff_wrong_backup_name_rejected(tmp_path, capsys):
     assert result == 1
     assert "does not match the file being diffed" in out
     assert "foo.txt.orig." in out
+
+
+# ============================================================
+# --status
+# ============================================================
+
+
+def test_status_no_backups(tmp_path, monkeypatch, capsys):
+    monkeypatch.chdir(tmp_path)
+
+    backup_dir = tmp_path / "bk"  # no backups inside
+    with patch(
+        "sys.argv", ["mirro", "--status", "--backup-dir", str(backup_dir)]
+    ):
+        result = mirro.main()
+
+    out = capsys.readouterr().out
+    assert result == 0
+    assert f"No mirro backups found in {tmp_path}" in out
+
+
+def test_status_backups_found(tmp_path, monkeypatch, capsys):
+    monkeypatch.chdir(tmp_path)
+
+    cwd = tmp_path
+    backup_dir = tmp_path / "bk"
+    backup_dir.mkdir()
+
+    # Files in current directory
+    f1 = tmp_path / "a.txt"
+    f2 = tmp_path / "b.txt"
+    f1.write_text("data1")
+    f2.write_text("data2")
+
+    # Backups
+    (backup_dir / "a.txt.orig.20200101T000000").write_text("backup1")
+    (backup_dir / "a.txt.orig.20200101T010000").write_text("backup2")
+    (backup_dir / "b.txt.orig.20200202T020000").write_text("backup3")
+
+    # mtimes
+    t1 = time.time() - 200
+    t2 = time.time() - 100
+    t3 = time.time() - 50
+
+    os.utime(backup_dir / "a.txt.orig.20200101T000000", (t1, t1))
+    os.utime(backup_dir / "a.txt.orig.20200101T010000", (t2, t2))
+    os.utime(backup_dir / "b.txt.orig.20200202T020000", (t3, t3))
+
+    with patch(
+        "sys.argv", ["mirro", "--status", "--backup-dir", str(backup_dir)]
+    ):
+        result = mirro.main()
+
+    out = capsys.readouterr().out
+
+    assert result == 0
+    assert f"Backed-up files in {cwd}" in out
+    assert "a.txt" in out
+    assert "b.txt" in out
+    assert "(2 backup(s)," in out
+    assert "(1 backup(s)," in out
+    assert "UTC" in out