95 lines
2.4 KiB
Markdown
95 lines
2.4 KiB
Markdown
# git-annex-duplicates
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Find duplicate files in a [git-annex](https://git-annex.branchable.com/)
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repository.
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`git-annex-duplicates` groups files by their annex key and prints every group
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that contains more than one path. It is read-only: it reports duplicates but
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does not remove or otherwise modify any files.
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[](https://github.com/mikegerber/git-annex-duplicates/actions/workflows/tests.yml)
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## Requirements
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- git-annex
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- Python 3.11 or newer
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- [uv](https://docs.astral.sh/uv/) (recommended for installation)
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## Installation
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Install the command directly from the Git repository:
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```sh
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uv tool install "git+https://cvs.moegen-wir.net/mikegerber/git-annex-duplicates.git"
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```
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Alternatively, run it from a checkout:
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```sh
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git clone https://cvs.moegen-wir.net/mikegerber/git-annex-duplicates.git
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cd /path/to/your-git-annex-repo
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uv run --project /path/to/git-annex-duplicates git-annex-duplicates
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```
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## Usage
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Run the command from inside a git-annex repository:
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```sh
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git-annex-duplicates
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```
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This will list any duplicate files below the current working directory. The output contains one
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group of duplicate paths at a time, with groups separated by a blank line:
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```text
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photos/holiday.jpg
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backup/holiday.jpg
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documents/report.pdf
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archive/report-final.pdf
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```
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Exclude one or more path patterns with `--exclude`:
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```sh
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git-annex-duplicates --exclude '*.iso' --exclude 'archive/**'
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```
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Find duplicates in the given directories:
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```sh
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git-annex-duplicates dir_a/ dir_b/
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```
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### Finding duplicates across directories
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To find duplicates that are duplicated across directories, use the `--across` flag:
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```sh
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git-annex-duplicates --across data/ new_data/
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```
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This will only list duplicate files that are found in more than one of the given directories.
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## How it works
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The command runs `git annex find`, requests each file's annex key, groups the
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returned paths by that key, and prints groups containing at least two paths.
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Files with the same annex key refer to the same content as far as git-annex is
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concerned.
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Only annexed files are considered. Regular Git files and untracked files are
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not included, and file content does not need to be downloaded to produce the
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report.
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## Contributing
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This program is almost trivial, so I don't expect many contributions. However,
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if you wish to implement a new feature, please open an issue at GitHub first,
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so we can discuss it.
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