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% JUST-LOCK(1) | General Commands Manual
NAME
====
just-lock - generate and maintain a multi-repository configuration file
SYNOPSIS
========
**`just-lock`** \[*`OPTION`*\]...
DESCRIPTION
===========
Just-Lock is a tool that encompasses several functionalities related to
generating and maintaining the **`just-mr-repository-config`**(5) of a Just
project.
The main functionality of the tool is to import declared dependencies from
other Just projects and generate a repository configuration which can directly
be used by **`just-mr`**(1). The imported repositories are renamed in a way that
no conflicts arise and in a way to remind for which repositories they come as a
dependency. This extends thus the capabilities of existing tools such as
**`just-import-git`**(1) by implicitly allowing multiple imports to take place
and import sources other than Git repositories.
By default, the final configuration has the repositories deduplicated, by
merging indistinguishable repositories, other than the `"main"` repository and
explicitly stated ones, to a single repository. This mirrors the capability
available standalone in **`just-deduplicate-repos`**(1).
The tool performs these operations based on a provided **`just-lock-config`**(5)
input file and outputs the resulting configuration file at either a given
provided location or at a location expected by **`just-mr`**(5).
OPTIONS
=======
**`-h`**, **`--help`**
Output a usage message and exit.
**`-C`** *`CONFIGFILE`*
Use the specified file as the input **`just-lock-config`**(5) file.
If not specified, a file with filename `repos.in.json` is searched for in the
same _directories_ as **`just-mr`** does when invoked with **`--norc`** when
searching for its configuration file.
**`-o`** *`CONFIGFILE`*
Use the specified file as the output **`just-mr-repository-config`**(5) file.
If not specified, a file is searched for in the same way **`just-mr`** does
when invoked with **`--norc`**. If none found, it is a file with filename
`repos.json` in the parent directory of the input configuration file.
**`--local-build-root`** *`PATH`*
Root for local CAS, cache, and build directories. The path will be created if
it does not exist already.
Default: path *`".cache/just"`* in user's home directory.
**`--just`** *`PATH`*
Path to the **`just`** binary in *`PATH`* or path to the **`just`** binary.
Default: *`"just"`*.
**`-L`**, **`--local-launcher`** *`JSON_ARRAY`*
JSON array with the list of strings representing the launcher to prepend
any commands being executed locally.
Default: *`["env", "--"]`*.
**`--git`** *`PATH`*
Path to the git binary in *`PATH`* or path to the git binary. Used when
shelling out to git is needed.
Default: *`"git"`*.
**`--clone`** *`JSON_MAP`*
JSON map from filesystem path to pair of repository name and list of bindings.
For each map entry, the target repository, found by following the bindings from
a given start repository, after all repositories have been imported, will have
its workspace root cloned in the specified filesystem directory and its
description in the output configuration made to point to this clone.
The start repository names must be known, i.e., an initial repository or
declared import, and both the start and target repositories will be kept during
deduplication.
See also
========
**`git`**(1),
**`just-lock-config`**(5),
**`just-import-git`**(1),
**`just-deduplicate-repos`**(1),
**`just-mr-repository-config`**(5),
**`just-mr`**(1)
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