Merge pull request 'Update pytest to 9.0.3 and pygments to 2.20.0' (#18) from pytest-pygments-update into main

Reviewed-on: #18

.gitea/workflows/lint-and-security.yml

@@ -1,7 +1,7 @@
-name: CI
+name: Lint & Security
 
 on:
-  push:
+  pull_request:
 
 jobs:
   precommit-and-security:
@@ -20,10 +20,17 @@ jobs:
         run: pip install pre-commit
 
       - name: Run pre-commit hooks
-        uses: pre-commit/action@v3.0.1
+        run: pre-commit run --all-files --color always
+
+      - name: Install Poetry
+        run: |
+          pip install poetry
+          poetry self add poetry-plugin-export
 
       - name: Install pip-audit
         run: pip install pip-audit
 
-      - name: Run pip-audit
-        run: pip-audit
+      - name: Audit dependencies (Poetry lockfile)
+        run: |
+          poetry export -f requirements.txt --without-hashes \
+            | pip-audit -r /dev/stdin

.gitea/workflows/security-scan.yml

@@ -0,0 +1,188 @@
+name: Security Scan
+
+on:
+  schedule:
+    - cron: 27 8 * * *
+  workflow_dispatch:
+
+jobs:
+  security-scan:
+    runs-on: running-man
+
+    env:
+      TARGET_DIR: .
+      COSIGN_VERSION: v3.0.5
+      SYFT_VERSION: v1.42.3
+      GRYPE_VERSION: v0.110.0
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Cosign (bootstrap)
+        run: |
+          set -euo pipefail
+
+          FILE="cosign-linux-amd64"
+
+          curl -fLO https://github.com/sigstore/cosign/releases/download/${COSIGN_VERSION}/${FILE}
+
+          chmod +x ${FILE}
+          mv ${FILE} /usr/local/bin/cosign
+
+          cosign version
+
+      - name: Install Syft (verified)
+        run: |
+          set -euo pipefail
+
+          VERSION_NO_V="${SYFT_VERSION#v}"
+          FILE="syft_${VERSION_NO_V}_linux_amd64.tar.gz"
+          BASE_URL="https://github.com/anchore/syft/releases/download/${SYFT_VERSION}"
+
+          curl -fLO ${BASE_URL}/${FILE}
+          curl -fLO ${BASE_URL}/syft_${VERSION_NO_V}_checksums.txt
+          curl -fLO ${BASE_URL}/syft_${VERSION_NO_V}_checksums.txt.sig
+          curl -fLO ${BASE_URL}/syft_${VERSION_NO_V}_checksums.txt.pem
+
+          cosign verify-blob \
+            --signature syft_${VERSION_NO_V}_checksums.txt.sig \
+            --certificate syft_${VERSION_NO_V}_checksums.txt.pem \
+            --certificate-identity-regexp "https://github.com/anchore/syft" \
+            --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
+            syft_${VERSION_NO_V}_checksums.txt
+
+          CHECKSUM_LINE=$(grep " ${FILE}$" syft_${VERSION_NO_V}_checksums.txt)
+          if [ -z "$CHECKSUM_LINE" ]; then
+            echo "Missing checksum entry for ${FILE}"
+            exit 1
+          fi
+
+          echo "$CHECKSUM_LINE" | sha256sum -c -
+
+          tar -xzf ${FILE}
+          mv syft /usr/local/bin/
+
+          syft version
+
+      - name: Install Grype (verified)
+        run: |
+          set -euo pipefail
+
+          VERSION_NO_V="${GRYPE_VERSION#v}"
+          FILE="grype_${VERSION_NO_V}_linux_amd64.tar.gz"
+          BASE_URL="https://github.com/anchore/grype/releases/download/${GRYPE_VERSION}"
+
+          curl -fLO ${BASE_URL}/${FILE}
+          curl -fLO ${BASE_URL}/grype_${VERSION_NO_V}_checksums.txt
+          curl -fLO ${BASE_URL}/grype_${VERSION_NO_V}_checksums.txt.sig
+          curl -fLO ${BASE_URL}/grype_${VERSION_NO_V}_checksums.txt.pem
+
+          cosign verify-blob \
+            --signature grype_${VERSION_NO_V}_checksums.txt.sig \
+            --certificate grype_${VERSION_NO_V}_checksums.txt.pem \
+            --certificate-identity-regexp "https://github.com/anchore/grype" \
+            --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \
+            grype_${VERSION_NO_V}_checksums.txt
+
+          CHECKSUM_LINE=$(grep " ${FILE}$" grype_${VERSION_NO_V}_checksums.txt)
+          if [ -z "$CHECKSUM_LINE" ]; then
+            echo "Missing checksum entry for ${FILE}"
+            exit 1
+          fi
+
+          echo "$CHECKSUM_LINE" | sha256sum -c -
+
+          tar -xzf ${FILE}
+          mv grype /usr/local/bin/
+
+          grype version
+
+      - name: Generate SBOM
+        working-directory: ${{ env.TARGET_DIR }}
+        run: |
+          syft dir:. -o json > sbom.json
+
+      - name: Show SBOM contents
+        working-directory: ${{ env.TARGET_DIR }}
+        run: |
+          echo "Packages discovered by Syft:"
+          jq -r '.artifacts[] | "\(.name)@\(.version) [\(.type)]"' sbom.json | sort
+
+      - name: Run Grype scan (JSON)
+        id: audit
+        continue-on-error: true
+        working-directory: ${{ env.TARGET_DIR }}
+        run: |
+          grype sbom:sbom.json -o json > grype.json
+
+          echo "Vulnerabilities (fixable only):"
+          jq -r '
+            .matches[]
+            | select((.vulnerability.fix.versions | length) > 0)
+            | "\(.artifact.name)@\(.artifact.version) -> \(.vulnerability.id) [\(.vulnerability.severity)] | fixed: \(.vulnerability.fix.versions[0])"
+          ' grype.json
+
+          # Fail only on fixable MEDIUM/HIGH/CRITICAL
+          jq -e '
+            [
+              .matches[]?
+              | select(
+                  (
+                    .vulnerability.severity == "Medium" or
+                    .vulnerability.severity == "High" or
+                    .vulnerability.severity == "Critical"
+                  )
+                  and
+                  (
+                    (.vulnerability.fix.versions | length) > 0
+                  )
+                )
+            ]
+            | length == 0
+          ' grype.json
+
+      - name: Show full Grype table
+        working-directory: ${{ env.TARGET_DIR }}
+        run: |
+          echo "Full Grype report:"
+          grype sbom:sbom.json -o table
+
+      - name: Notify Node-RED on vulnerabilities
+        if: steps.audit.outcome == 'failure'
+        working-directory: ${{ env.TARGET_DIR }}
+        run: |
+          jq '
+          {
+            repo: "guardutils/mirro",
+            summary: (
+              "Total: " +
+              (
+                [
+                  .matches[]
+                  | select((.vulnerability.fix.versions | length) > 0)
+                ] | length | tostring
+              )
+            ),
+            vulnerabilities: [
+              .matches[]
+              | select((.vulnerability.fix.versions | length) > 0)
+              | {
+                library: .artifact.name,
+                cve: .vulnerability.id,
+                severity: .vulnerability.severity,
+                installed: .artifact.version,
+                fixed: (.vulnerability.fix.versions[0]),
+                title: .vulnerability.description,
+                url: .vulnerability.dataSource
+              }
+            ]
+          }
+          ' grype.json \
+          | curl -s -X POST https://nodered.sysmd.uk/vulns-alert \
+              -H "Content-Type: application/json" \
+              --data-binary @-
+
+      - name: Fail workflow if vulnerabilities found
+        if: steps.audit.outcome == 'failure'
+        run: exit 1

.pre-commit-config.yaml

@@ -1,19 +1,19 @@
 repos:
   - repo: https://github.com/PyCQA/bandit
-    rev: 1.7.9
+    rev: 1.9.4
     hooks:
       - id: bandit
         files: ^src/mirro/
         args: ["-lll", "-iii", "-s", "B110,B112"]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.11.0
+    rev: 26.3.1
     hooks:
       - id: black
         language_version: python3.13
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v6.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer

README.md

@@ -1,5 +1,13 @@
+[![Licence](https://img.shields.io/badge/GPL--3.0-orange?label=Licence)](https://git.sysmd.uk/guardutils/mirro/src/branch/main/LICENCE)
+[![Gitea Release](https://img.shields.io/gitea/v/release/guardutils/mirro?gitea_url=https%3A%2F%2Fgit.sysmd.uk%2F&style=flat&color=orange&logo=gitea)](https://git.sysmd.uk/guardutils/mirro/releases)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-blue?logo=pre-commit&style=flat)](https://git.sysmd.uk/guardutils/mirro/src/branch/main/.pre-commit-config.yaml)
+
 # mirro
 
+<div align="center">
+  <img src="mirro.png" alt="mirro logo" width="256" />
+</div>
+
 **mirro** is a tiny safety-first editing wrapper for text files.
 You edit a temporary file, **mirro** detects whether anything changed, and if it did, it saves a backup of the original before writing your changes.
 
@@ -82,12 +90,14 @@ 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
 ```
@@ -98,25 +108,36 @@ This:
 
 3. and overwrites the target file with its original contents.
 
+### Restore ANY backup
+
+```
+mirro --restore filename.ext.orig.20251110T174400
+Restored /path/to/filename.ext from backup filename.ext.orig.20251110T174400
+```
+
 ### 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.
 ```
@@ -128,31 +149,119 @@ 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 GuardUtils package repo
+
+This is the preferred method of installation.
+
+### Debian/Ubuntu
+
+#### 1) Import the GPG key
+
+```bash
+sudo mkdir -p /usr/share/keyrings
+curl -fsSL https://repo.sysmd.uk/guardutils/guardutils.gpg | sudo gpg --dearmor -o /usr/share/keyrings/guardutils.gpg
+```
+
+The GPG fingerprint is `0032C71FA6A11EF9567D4434C5C06BD4603C28B1`.
+
+#### 2) Add the APT source
+
+```bash
+echo "deb [arch=amd64 signed-by=/usr/share/keyrings/guardutils.gpg] https://repo.sysmd.uk/guardutils/debian stable main" | sudo tee /etc/apt/sources.list.d/guardutils.list
+```
+
+#### 3) Update and install
+
+```
+sudo apt update
+sudo apt install mirro
+```
+
+### Fedora/RHEL
+
+#### 1) Import the GPG key
+
+```
+sudo rpm --import https://repo.sysmd.uk/guardutils/guardutils.gpg
+```
+
+#### 2) Add the repository configuration
+
+```
+sudo tee /etc/yum.repos.d/guardutils.repo > /dev/null << 'EOF'
+[guardutils]
+name=GuardUtils Repository
+baseurl=https://repo.sysmd.uk/guardutils/rpm/$basearch
+enabled=1
+gpgcheck=1
+repo_gpgcheck=1
+gpgkey=https://repo.sysmd.uk/guardutils/guardutils.gpg
+EOF
+```
+
+#### 4) Update and install
+
+```
+sudo dnf upgrade --refresh
+sudo dnf install mirro
+```
+
+### From PyPI
+
 **NOTE:** To use `mirro` with `sudo`, the path to `mirro` must be in the `$PATH` seen by `root`.\
 Either:
 
- * install `mirro` as `root` (_preferred_), or
+ * install `mirro` as `root`, or
  * add the path to `mirro` to the `secure_path` parameter in `/etc/sudoers`. For example, where `/home/user/.local/bin` is where `mirro` is:
 
 ``` bash
 Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/home/user/.local/bin"
 ```
 
-Install via PyPI (preferred):
+Install with:
 ```
 pip install mirro
 ```
 
-Or clone the repo and install locally:
+### From this repository
 ```
-git clone https://github.com/mdaleo404/mirro.git
+git clone https://git.sysmd.uk/guardutils/mirro.git
 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

@@ -1,4 +1,19 @@
-# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.3.3 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"
+groups = ["main"]
+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"
@@ -6,6 +21,7 @@ version = "3.4.0"
 description = "Validate configuration and produce human readable error messages."
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
 files = [
     {file = "cfgv-3.4.0-py2.py3-none-any.whl", hash = "sha256:b7265b1f29fd3316bfcd2b330d63d024f2bfd8bcb8b0272f8e19a504856c48f9"},
     {file = "cfgv-3.4.0.tar.gz", hash = "sha256:e52591d4c5f5dead8e0f673fb16db7949d2cfb3f7da4582893288f0ded8fe560"},
@@ -17,6 +33,8 @@ version = "0.4.6"
 description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["dev"]
+markers = "sys_platform == \"win32\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
@@ -28,6 +46,7 @@ version = "7.11.3"
 description = "Code coverage measurement for Python"
 optional = false
 python-versions = ">=3.10"
+groups = ["dev"]
 files = [
     {file = "coverage-7.11.3-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:0c986537abca9b064510f3fd104ba33e98d3036608c7f2f5537f869bc10e1ee5"},
     {file = "coverage-7.11.3-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:28c5251b3ab1d23e66f1130ca0c419747edfbcb4690de19467cd616861507af7"},
@@ -127,7 +146,7 @@ files = [
 tomli = {version = "*", optional = true, markers = "python_full_version <= \"3.11.0a6\" and extra == \"toml\""}
 
 [package.extras]
-toml = ["tomli"]
+toml = ["tomli ; python_full_version <= \"3.11.0a6\""]
 
 [[package]]
 name = "distlib"
@@ -135,6 +154,7 @@ version = "0.4.0"
 description = "Distribution utilities"
 optional = false
 python-versions = "*"
+groups = ["dev"]
 files = [
     {file = "distlib-0.4.0-py2.py3-none-any.whl", hash = "sha256:9659f7d87e46584a30b5780e43ac7a2143098441670ff0a49d5f9034c54a6c16"},
     {file = "distlib-0.4.0.tar.gz", hash = "sha256:feec40075be03a04501a973d81f633735b4b69f98b05450592310c0f401a4e0d"},
@@ -146,6 +166,8 @@ version = "1.3.0"
 description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
+groups = ["dev"]
+markers = "python_version == \"3.10\""
 files = [
     {file = "exceptiongroup-1.3.0-py3-none-any.whl", hash = "sha256:4d111e6e0c13d0644cad6ddaa7ed0261a0b36971f6d23e7ec9b4b9097da78a10"},
     {file = "exceptiongroup-1.3.0.tar.gz", hash = "sha256:b241f5885f560bc56a59ee63ca4c6a8bfa46ae4ad651af316d4e81817bb9fd88"},
@@ -159,13 +181,14 @@ test = ["pytest (>=6)"]
 
 [[package]]
 name = "filelock"
-version = "3.20.0"
+version = "3.20.3"
 description = "A platform independent file lock."
 optional = false
 python-versions = ">=3.10"
+groups = ["dev"]
 files = [
-    {file = "filelock-3.20.0-py3-none-any.whl", hash = "sha256:339b4732ffda5cd79b13f4e2711a31b0365ce445d95d243bb996273d072546a2"},
-    {file = "filelock-3.20.0.tar.gz", hash = "sha256:711e943b4ec6be42e1d4e6690b48dc175c822967466bb31c0c293f34334c13f4"},
+    {file = "filelock-3.20.3-py3-none-any.whl", hash = "sha256:4b0dda527ee31078689fc205ec4f1c1bf7d56cf88b6dc9426c4f230e46c2dce1"},
+    {file = "filelock-3.20.3.tar.gz", hash = "sha256:18c57ee915c7ec61cff0ecf7f0f869936c7c30191bb0cf406f1341778d0834e1"},
 ]
 
 [[package]]
@@ -174,6 +197,7 @@ version = "2.6.15"
 description = "File identification library for Python"
 optional = false
 python-versions = ">=3.9"
+groups = ["dev"]
 files = [
     {file = "identify-2.6.15-py2.py3-none-any.whl", hash = "sha256:1181ef7608e00704db228516541eb83a88a9f94433a8c80bb9b5bd54b1d81757"},
     {file = "identify-2.6.15.tar.gz", hash = "sha256:e4f4864b96c6557ef2a1e1c951771838f4edc9df3a72ec7118b338801b11c7bf"},
@@ -188,6 +212,7 @@ version = "2.3.0"
 description = "brain-dead simple config-ini parsing"
 optional = false
 python-versions = ">=3.10"
+groups = ["dev"]
 files = [
     {file = "iniconfig-2.3.0-py3-none-any.whl", hash = "sha256:f631c04d2c48c52b84d0d0549c99ff3859c98df65b3101406327ecc7d53fbf12"},
     {file = "iniconfig-2.3.0.tar.gz", hash = "sha256:c76315c77db068650d49c5b56314774a7804df16fee4402c1f19d6d15d8c4730"},
@@ -199,6 +224,7 @@ version = "1.9.1"
 description = "Node.js virtual environment builder"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["dev"]
 files = [
     {file = "nodeenv-1.9.1-py2.py3-none-any.whl", hash = "sha256:ba11c9782d29c27c70ffbdda2d7415098754709be8a7056d79a737cd901155c9"},
     {file = "nodeenv-1.9.1.tar.gz", hash = "sha256:6ec12890a2dab7946721edbfbcd91f3319c6ccc9aec47be7c7e6b7011ee6645f"},
@@ -210,6 +236,7 @@ version = "25.0"
 description = "Core utilities for Python packages"
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
 files = [
     {file = "packaging-25.0-py3-none-any.whl", hash = "sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484"},
     {file = "packaging-25.0.tar.gz", hash = "sha256:d443872c98d677bf60f6a1f2f8c1cb748e8fe762d2bf9d3148b5599295b0fc4f"},
@@ -221,6 +248,7 @@ version = "4.5.0"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a `user data dir`."
 optional = false
 python-versions = ">=3.10"
+groups = ["dev"]
 files = [
     {file = "platformdirs-4.5.0-py3-none-any.whl", hash = "sha256:e578a81bb873cbb89a41fcc904c7ef523cc18284b7e3b3ccf06aca1403b7ebd3"},
     {file = "platformdirs-4.5.0.tar.gz", hash = "sha256:70ddccdd7c99fc5942e9fc25636a8b34d04c24b335100223152c2803e4063312"},
@@ -237,6 +265,7 @@ version = "1.6.0"
 description = "plugin and hook calling mechanisms for python"
 optional = false
 python-versions = ">=3.9"
+groups = ["dev"]
 files = [
     {file = "pluggy-1.6.0-py3-none-any.whl", hash = "sha256:e920276dd6813095e9377c0bc5566d94c932c33b27a3e3945d8389c374dd4746"},
     {file = "pluggy-1.6.0.tar.gz", hash = "sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3"},
@@ -252,6 +281,7 @@ version = "3.8.0"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 optional = false
 python-versions = ">=3.9"
+groups = ["dev"]
 files = [
     {file = "pre_commit-3.8.0-py2.py3-none-any.whl", hash = "sha256:9a90a53bf82fdd8778d58085faf8d83df56e40dfe18f45b19446e26bf1b3a63f"},
     {file = "pre_commit-3.8.0.tar.gz", hash = "sha256:8bb6494d4a20423842e198980c9ecf9f96607a07ea29549e180eef9ae80fe7af"},
@@ -266,13 +296,14 @@ virtualenv = ">=20.10.0"
 
 [[package]]
 name = "pygments"
-version = "2.19.2"
+version = "2.20.0"
 description = "Pygments is a syntax highlighting package written in Python."
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
+groups = ["dev"]
 files = [
-    {file = "pygments-2.19.2-py3-none-any.whl", hash = "sha256:86540386c03d588bb81d44bc3928634ff26449851e99741617ecb9037ee5ec0b"},
-    {file = "pygments-2.19.2.tar.gz", hash = "sha256:636cb2477cec7f8952536970bc533bc43743542f70392ae026374600add5b887"},
+    {file = "pygments-2.20.0-py3-none-any.whl", hash = "sha256:81a9e26dd42fd28a23a2d169d86d7ac03b46e2f8b59ed4698fb4785f946d0176"},
+    {file = "pygments-2.20.0.tar.gz", hash = "sha256:6757cd03768053ff99f3039c1a36d6c0aa0b263438fcab17520b30a303a82b5f"},
 ]
 
 [package.extras]
@@ -280,13 +311,14 @@ windows-terminal = ["colorama (>=0.4.6)"]
 
 [[package]]
 name = "pytest"
-version = "9.0.1"
+version = "9.0.3"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.10"
+groups = ["dev"]
 files = [
-    {file = "pytest-9.0.1-py3-none-any.whl", hash = "sha256:67be0030d194df2dfa7b556f2e56fb3c3315bd5c8822c6951162b92b32ce7dad"},
-    {file = "pytest-9.0.1.tar.gz", hash = "sha256:3e9c069ea73583e255c3b21cf46b8d3c56f6e3a1a8f6da94ccb0fcf57b9d73c8"},
+    {file = "pytest-9.0.3-py3-none-any.whl", hash = "sha256:2c5efc453d45394fdd706ade797c0a81091eccd1d6e4bccfcd476e2b8e0ab5d9"},
+    {file = "pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c"},
 ]
 
 [package.dependencies]
@@ -307,6 +339,7 @@ version = "7.0.0"
 description = "Pytest plugin for measuring coverage."
 optional = false
 python-versions = ">=3.9"
+groups = ["dev"]
 files = [
     {file = "pytest_cov-7.0.0-py3-none-any.whl", hash = "sha256:3b8e9558b16cc1479da72058bdecf8073661c7f57f7d3c5f22a1c23507f2d861"},
     {file = "pytest_cov-7.0.0.tar.gz", hash = "sha256:33c97eda2e049a0c5298e91f519302a1334c26ac65c1a483d6206fd458361af1"},
@@ -326,6 +359,7 @@ version = "6.0.3"
 description = "YAML parser and emitter for Python"
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
 files = [
     {file = "PyYAML-6.0.3-cp38-cp38-macosx_10_13_x86_64.whl", hash = "sha256:c2514fceb77bc5e7a2f7adfaa1feb2fb311607c9cb518dbc378688ec73d8292f"},
     {file = "PyYAML-6.0.3-cp38-cp38-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:9c57bb8c96f6d1808c030b1687b9b5fb476abaa47f0db9c0101f5e9f394e97f4"},
@@ -408,6 +442,8 @@ version = "2.3.0"
 description = "A lil' TOML parser"
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
+markers = "python_full_version <= \"3.11.0a6\""
 files = [
     {file = "tomli-2.3.0-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:88bd15eb972f3664f5ed4b57c1634a97153b4bac4479dcb6a495f41921eb7f45"},
     {file = "tomli-2.3.0-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:883b1c0d6398a6a9d29b508c331fa56adbcdff647f6ace4dfca0f50e90dfd0ba"},
@@ -459,6 +495,8 @@ version = "4.15.0"
 description = "Backported and Experimental Type Hints for Python 3.9+"
 optional = false
 python-versions = ">=3.9"
+groups = ["dev"]
+markers = "python_version == \"3.10\""
 files = [
     {file = "typing_extensions-4.15.0-py3-none-any.whl", hash = "sha256:f0fa19c6845758ab08074a0cfa8b7aecb71c999ca73d62883bc25cc018c4e548"},
     {file = "typing_extensions-4.15.0.tar.gz", hash = "sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466"},
@@ -466,26 +504,27 @@ files = [
 
 [[package]]
 name = "virtualenv"
-version = "20.35.4"
+version = "20.36.1"
 description = "Virtual Python Environment builder"
 optional = false
 python-versions = ">=3.8"
+groups = ["dev"]
 files = [
-    {file = "virtualenv-20.35.4-py3-none-any.whl", hash = "sha256:c21c9cede36c9753eeade68ba7d523529f228a403463376cf821eaae2b650f1b"},
-    {file = "virtualenv-20.35.4.tar.gz", hash = "sha256:643d3914d73d3eeb0c552cbb12d7e82adf0e504dbf86a3182f8771a153a1971c"},
+    {file = "virtualenv-20.36.1-py3-none-any.whl", hash = "sha256:575a8d6b124ef88f6f51d56d656132389f961062a9177016a50e4f507bbcc19f"},
+    {file = "virtualenv-20.36.1.tar.gz", hash = "sha256:8befb5c81842c641f8ee658481e42641c68b5eab3521d8e092d18320902466ba"},
 ]
 
 [package.dependencies]
 distlib = ">=0.3.7,<1"
-filelock = ">=3.12.2,<4"
+filelock = {version = ">=3.20.1,<4", markers = "python_version >= \"3.10\""}
 platformdirs = ">=3.9.1,<5"
 typing-extensions = {version = ">=4.13.2", markers = "python_version < \"3.11\""}
 
 [package.extras]
 docs = ["furo (>=2023.7.26)", "proselint (>=0.13)", "sphinx (>=7.1.2,!=7.3)", "sphinx-argparse (>=0.4)", "sphinxcontrib-towncrier (>=0.2.1a0)", "towncrier (>=23.6)"]
-test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess (>=1)", "flaky (>=3.7)", "packaging (>=23.1)", "pytest (>=7.4)", "pytest-env (>=0.8.2)", "pytest-freezer (>=0.4.8)", "pytest-mock (>=3.11.1)", "pytest-randomly (>=3.12)", "pytest-timeout (>=2.1)", "setuptools (>=68)", "time-machine (>=2.10)"]
+test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess (>=1)", "flaky (>=3.7)", "packaging (>=23.1)", "pytest (>=7.4)", "pytest-env (>=0.8.2)", "pytest-freezer (>=0.4.8) ; platform_python_implementation == \"PyPy\" or platform_python_implementation == \"GraalVM\" or platform_python_implementation == \"CPython\" and sys_platform == \"win32\" and python_version >= \"3.13\"", "pytest-mock (>=3.11.1)", "pytest-randomly (>=3.12)", "pytest-timeout (>=2.1)", "setuptools (>=68)", "time-machine (>=2.10) ; platform_python_implementation == \"CPython\""]
 
 [metadata]
-lock-version = "2.0"
+lock-version = "2.1"
 python-versions = ">=3.10,<4.0"
-content-hash = "98acd9fd57ec90c98a407b83122fd9c8ed432383e095a47d44e201bf187d3107"
+content-hash = "b90604ce6169c72e35550fd278fab34b383e08f72e6db019f3a8ae611c2eae0a"

pyproject.toml

@@ -1,21 +1,22 @@
 [tool.poetry]
 name = "mirro"
-version = "0.3.0"
+version = "0.6.2"
 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"
 readme = "README.md"
-homepage = "https://github.com/mdaleo404/mirro"
-repository = "https://github.com/mdaleo404/mirro"
+homepage = "https://git.sysmd.uk/guardutils/mirro"
+repository = "https://git.sysmd.uk/guardutils/mirro"
 packages = [{include = "mirro", from = "src"}]
 
 [tool.poetry.dependencies]
 python = ">=3.10,<4.0"
+argcomplete = ">=2"
 
 [tool.poetry.scripts]
 mirro = "mirro.main:main"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
 pytest = "^9.0.1"
 pytest-cov = "^7.0.0"
 pre-commit = "^3.8"

src/mirro/main.py

@@ -1,9 +1,11 @@
 import importlib.metadata
 import argparse
+import argcomplete
 import tempfile
 import subprocess
 import os
 import textwrap
+import difflib
 from pathlib import Path
 import time
 
@@ -49,6 +51,44 @@ def backup_original(
     return backup_path
 
 
+def strip_mirro_header(text: str) -> str:
+    """
+    Strip only mirro's backup header (if present).
+    Never removes shebangs or anything else.
+    """
+    lines = text.splitlines(keepends=True)
+
+    # If there's no mirro header, return the text unchanged
+    if not lines or not lines[0].startswith(
+        "# ---------------------------------------------------"
+    ):
+        return text
+
+    # Otherwise skip all header lines until the first blank line
+    i = 0
+    while i < len(lines):
+        if lines[i].strip() == "":
+            i += 1  # skip the blank separator line
+            break
+        i += 1
+
+    # 'i' now points to the first real line of the original file
+    return "".join(lines[i:])
+
+
+def extract_original_path(backup_text: str) -> Path | None:
+    """
+    Extract the original file path from a mirro backup header.
+    """
+    for line in backup_text.splitlines():
+        if line.startswith("# Original file:"):
+            path = line.split(":", 1)[1].strip()
+            return Path(path).expanduser()
+        if line.strip() == "":
+            break
+    return None
+
+
 def main():
     parser = argparse.ArgumentParser(
         description="Safely edit a file with automatic original backup if changed."
@@ -80,6 +120,13 @@ def main():
         help="Restore the last backup of the given file and exit",
     )
 
+    parser.add_argument(
+        "--restore",
+        metavar="BACKUP",
+        type=str,
+        help="Restore the given backup file and exit",
+    )
+
     parser.add_argument(
         "--prune-backups",
         nargs="?",
@@ -87,9 +134,93 @@ def main():
         help="Prune backups older than MIRRO_BACKUPS_LIFE days, or 'all' to delete all backups",
     )
 
+    parser.add_argument(
+        "--diff",
+        nargs=2,
+        metavar=("FILE", "BACKUP"),
+        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()
 
+    if args.diff:
+        file_arg, backup_arg = args.diff
+
+        file_path = Path(file_arg).expanduser().resolve()
+
+        # Resolve backup: if it’s not absolute or ~, treat it as a filename in the backup dir
+        if os.path.isabs(backup_arg) or backup_arg.startswith("~"):
+            backup_path = Path(backup_arg).expanduser().resolve()
+        else:
+            backup_dir = Path(args.backup_dir).expanduser().resolve()
+            backup_path = backup_dir / backup_arg
+
+        if not file_path.exists():
+            print(f"File not found: {file_path}")
+            return 1
+        if not backup_path.exists():
+            print(f"Backup not found: {backup_path}")
+            return 1
+
+        # Enforce same base filename while diffing
+        target_name = file_path.name
+        backup_name = backup_path.name
+
+        if not backup_name.startswith(target_name + ".orig."):
+            print(
+                f"Error: Backup '{backup_name}' does not match the file being diffed.\n"
+                f"Expected backup file starting with: {target_name}.orig."
+            )
+            return 1
+
+        original = file_path.read_text(
+            encoding="utf-8", errors="replace"
+        ).splitlines()
+        backup_raw = backup_path.read_text(encoding="utf-8", errors="replace")
+
+        backup_stripped = strip_mirro_header(backup_raw)
+        backup = backup_stripped.splitlines()
+
+        # Generate a clean diff (no trailing line noise)
+        diff = difflib.unified_diff(
+            backup,
+            original,
+            fromfile=f"a/{file_path.name}",
+            tofile=f"b/{file_path.name}",
+            lineterm="",
+        )
+
+        # Colors
+        RED = "\033[31m"
+        GREEN = "\033[32m"
+        CYAN = "\033[36m"
+        RESET = "\033[0m"
+
+        for line in diff:
+            if (
+                line.startswith("---")
+                or line.startswith("+++")
+                or line.startswith("@@")
+            ):
+                print(f"{CYAN}{line}{RESET}")
+            elif line.startswith("+"):
+                print(f"{GREEN}{line}{RESET}")
+            elif line.startswith("-"):
+                print(f"{RED}{line}{RESET}")
+            else:
+                print(line)
+
+        return
+
     if args.list:
         import pwd, grp
 
@@ -147,6 +278,52 @@ 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()
@@ -163,7 +340,7 @@ def main():
         ]
 
         if not backups:
-            print(f"No backups found for {target}")
+            print(f"No history found for {target}")
             return 1
 
         # newest backup
@@ -171,31 +348,51 @@ def main():
 
         # read and strip header
         raw = last.read_text(encoding="utf-8", errors="replace")
-        restored = []
-        skipping = True
-        for line in raw.splitlines(keepends=True):
-            # header ends at first blank line after the dashed line block
-            if skipping:
-                if line.strip() == "" and restored == []:
-                    # allow only after header
-                    continue
-                if line.startswith("#") or line.strip() == "":
-                    continue
-                skipping = False
-            restored.append(line)
-
-        # if header wasn't present, restored = raw
-        if not restored:
-            restored_text = raw
-        else:
-            restored_text = "".join(restored)
-
-        # write the restored file back
+        restored_text = strip_mirro_header(raw)
         target.write_text(restored_text, encoding="utf-8")
 
         print(f"Restored {target} from backup {last.name}")
         return
 
+    if args.restore:
+        backup_arg = args.restore
+        backup_dir = Path(args.backup_dir).expanduser().resolve()
+
+        # Resolve backup path
+        if os.path.isabs(backup_arg) or backup_arg.startswith("~"):
+            backup_path = Path(backup_arg).expanduser().resolve()
+        else:
+            backup_path = backup_dir / backup_arg
+
+        if not backup_path.exists():
+            print(f"Backup not found: {backup_path}")
+            return 1
+
+        raw = backup_path.read_text(encoding="utf-8", errors="replace")
+
+        target = extract_original_path(raw)
+        if not target:
+            print(
+                "Could not determine original file location from backup header."
+            )
+            return 1
+
+        restored_text = strip_mirro_header(raw)
+
+        # Permission checks
+        if target.exists() and not os.access(target, os.W_OK):
+            print(f"Need elevated privileges to restore {target}")
+            return 1
+        if not target.exists() and not os.access(target.parent, os.W_OK):
+            print(f"Need elevated privileges to create {target}")
+            return 1
+
+        target.parent.mkdir(parents=True, exist_ok=True)
+        target.write_text(restored_text, encoding="utf-8")
+
+        print(f"Restored {target} from backup {backup_path.name}")
+        return 0
+
     if args.prune_backups is not None:
         mode = args.prune_backups
 

tests/test_mirro.py

@@ -8,7 +8,6 @@ import pytest
 
 import mirro.main as mirro
 
-
 # ============================================================
 # get_version
 # ============================================================
@@ -48,6 +47,39 @@ def test_write_file(tmp_path):
     assert p.read_text(encoding="utf-8") == "data"
 
 
+# ============================================================
+# strip_mirro_header
+# ============================================================
+
+
+def test_strip_header_removes_header():
+    header_text = (
+        "# ---------------------------------------------------\n"
+        "# mirro backup\n"
+        "# something\n"
+        "# ---------------------------------------------------\n"
+        "\n"
+        "#!/bin/bash\n"
+        "echo hi\n"
+    )
+
+    out = mirro.strip_mirro_header(header_text)
+    assert out.startswith("#!/bin/bash")
+    assert "mirro backup" not in out
+
+
+def test_strip_header_preserves_shebang():
+    text = "#!/usr/bin/env python3\nprint('hi')\n"
+    out = mirro.strip_mirro_header(text)
+    assert out == text
+
+
+def test_strip_header_non_header_file():
+    text = "# just a comment\nvalue\n"
+    out = mirro.strip_mirro_header(text)
+    assert out == text
+
+
 # ============================================================
 # backup_original
 # ============================================================
@@ -264,29 +296,6 @@ def test_main_permission_denied_create(tmp_path, monkeypatch, capsys):
     assert "Need elevated privileges to create" in capsys.readouterr().out
 
 
-# ============================================================
-# Editor ordering: non-nano branch
-# ============================================================
-
-
-def test_main_editor_non_nano(tmp_path, monkeypatch, capsys):
-    target = tmp_path / "vim.txt"
-    target.write_text("old\n")
-
-    def fake_call(cmd):
-        temp = Path(cmd[1])
-        temp.write_text("edited\n")
-
-    monkeypatch.setenv("EDITOR", "vim")
-    monkeypatch.setattr(subprocess, "call", fake_call)
-    monkeypatch.setattr(os, "access", lambda p, m: True)
-
-    with patch("sys.argv", ["mirro", str(target)]):
-        mirro.main()
-
-    assert target.read_text() == "edited\n"
-
-
 # ============================================================
 # --list
 # ============================================================
@@ -343,8 +352,10 @@ def test_restore_last_no_backups(tmp_path, capsys):
     ):
         result = mirro.main()
 
+    out = capsys.readouterr().out
     assert result == 1
-    assert "No backups found" in capsys.readouterr().out
+    assert "No history found for" in out
+    assert str(target) in out
 
 
 def test_restore_last_success(tmp_path, capsys):
@@ -352,13 +363,22 @@ def test_restore_last_success(tmp_path, capsys):
     d.mkdir()
     target = tmp_path / "t.txt"
 
+    mirro_header = (
+        "# ---------------------------------------------------\n"
+        "# mirro backup\n"
+        "# Original file: x\n"
+        "# Timestamp: test\n"
+        "# Delete this header if you want to restore the file\n"
+        "# ---------------------------------------------------\n"
+        "\n"
+    )
+
     b1 = d / "t.txt.orig.2020"
     b2 = d / "t.txt.orig.2021"
 
-    b1.write_text("# header\n\nold1")
-    b2.write_text("# header\n\nold2")
+    b1.write_text(mirro_header + "old1")
+    b2.write_text(mirro_header + "old2")
 
-    # ensure newest
     os.utime(b2, (time.time(), time.time()))
 
     with patch(
@@ -372,94 +392,135 @@ def test_restore_last_success(tmp_path, capsys):
 
 
 # ============================================================
-# --prune-backups
+# --restore (new)
 # ============================================================
 
 
-def test_prune_all(tmp_path, capsys):
-    d = tmp_path / "bk"
-    d.mkdir()
-    (d / "a").write_text("x")
-    (d / "b").write_text("y")
+def test_restore_backup_to_original_location(tmp_path, capsys):
+    backup_dir = tmp_path / "bk"
+    backup_dir.mkdir()
 
-    with patch(
-        "sys.argv", ["mirro", "--prune-backups=all", "--backup-dir", str(d)]
-    ):
-        mirro.main()
+    original_dir = tmp_path / "orig"
+    original_dir.mkdir()
 
-    out = capsys.readouterr().out
-    assert "Removed ALL backups" in out
-    assert not any(d.iterdir())
+    target = original_dir / "file.txt"
 
-
-def test_prune_numeric(tmp_path, capsys, monkeypatch):
-    d = tmp_path / "bk"
-    d.mkdir()
-
-    old = d / "old"
-    new = d / "new"
-    old.write_text("x")
-    new.write_text("y")
-
-    one_day_seconds = 86400
-
-    os.utime(
-        old,
-        (
-            time.time() - one_day_seconds * 10,
-            time.time() - one_day_seconds * 10,
-        ),
+    mirro_header = (
+        "# ---------------------------------------------------\n"
+        "# mirro backup\n"
+        f"# Original file: {target}\n"
+        "# Timestamp: test\n"
+        "# Delete this header if you want to restore the file\n"
+        "# ---------------------------------------------------\n"
+        "\n"
     )
-    os.utime(new, None)
+
+    backup = backup_dir / "file.txt.orig.20250101T010203"
+    backup.write_text(mirro_header + "restored content\n")
 
     with patch(
-        "sys.argv", ["mirro", "--prune-backups=5", "--backup-dir", str(d)]
+        "sys.argv",
+        ["mirro", "--restore", backup.name, "--backup-dir", str(backup_dir)],
     ):
-        mirro.main()
+        result = mirro.main()
 
-    out = capsys.readouterr().out
-    assert "Removed 1 backup" in out
-    assert new.exists()
-    assert not old.exists()
+    assert result == 0
+    assert target.exists()
+    assert target.read_text() == "restored content\n"
+    assert "Restored" in capsys.readouterr().out
 
 
-def test_prune_default_env(tmp_path, monkeypatch, capsys):
-    monkeypatch.setenv("MIRRO_BACKUPS_LIFE", "1")
-
-    d = tmp_path / "bk"
-    d.mkdir()
-
-    f = d / "x"
-    f.write_text("hi")
-
-    os.utime(f, (time.time() - 86400 * 2, time.time() - 86400 * 2))
+def test_restore_missing_backup(tmp_path, capsys):
+    backup_dir = tmp_path / "bk"
+    backup_dir.mkdir()
 
     with patch(
-        "sys.argv", ["mirro", "--prune-backups", "--backup-dir", str(d)]
+        "sys.argv",
+        [
+            "mirro",
+            "--restore",
+            "nope.orig.123",
+            "--backup-dir",
+            str(backup_dir),
+        ],
     ):
-        mirro.main()
-
-    assert "Removed 1" in capsys.readouterr().out
-
-
-def test_prune_invalid_env(tmp_path, monkeypatch, capsys):
-    monkeypatch.setenv("MIRRO_BACKUPS_LIFE", "nope")
-
-    d = tmp_path / "bk"
-    d.mkdir()
-
-    with patch(
-        "sys.argv", ["mirro", "--prune-backups", "--backup-dir", str(d)]
-    ):
-        mirro.main()
-
-    out = capsys.readouterr().out
-    assert "Invalid MIRRO_BACKUPS_LIFE value" in out
-
-
-def test_prune_invalid_arg(tmp_path, capsys):
-    with patch("sys.argv", ["mirro", "--prune-backups=zzz"]):
         result = mirro.main()
 
     assert result == 1
-    assert "Invalid value for --prune-backups" in capsys.readouterr().out
+    assert "Backup not found" in capsys.readouterr().out
+
+
+def test_restore_missing_original_path_in_header(tmp_path, capsys):
+    backup_dir = tmp_path / "bk"
+    backup_dir.mkdir()
+
+    bad_backup = backup_dir / "x.txt.orig.123"
+    bad_backup.write_text(
+        "# ---------------------------------------------------\n"
+        "# mirro backup\n"
+        "# Timestamp: test\n"
+        "\n"
+        "data\n"
+    )
+
+    with patch(
+        "sys.argv",
+        [
+            "mirro",
+            "--restore",
+            bad_backup.name,
+            "--backup-dir",
+            str(backup_dir),
+        ],
+    ):
+        result = mirro.main()
+
+    assert result == 1
+    assert (
+        "Could not determine original file location" in capsys.readouterr().out
+    )
+
+
+# ============================================================
+# --status
+# ============================================================
+
+
+def test_status_no_backups(tmp_path, monkeypatch, capsys):
+    monkeypatch.chdir(tmp_path)
+
+    backup_dir = tmp_path / "bk"
+    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()
+
+    (tmp_path / "a.txt").write_text("data1")
+    (tmp_path / "b.txt").write_text("data2")
+
+    (backup_dir / "a.txt.orig.1").write_text("x")
+    (backup_dir / "a.txt.orig.2").write_text("y")
+    (backup_dir / "b.txt.orig.3").write_text("z")
+
+    with patch(
+        "sys.argv", ["mirro", "--status", "--backup-dir", str(backup_dir)]
+    ):
+        result = mirro.main()
+
+    out = capsys.readouterr().out
+    assert result == 0
+    assert f"Files with history in {cwd}:" in out
+    assert "a.txt" in out
+    assert "b.txt" in out