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bdep-update(1)		     General Commands Manual		  bdep-update(1)

NAME
     bdep-update - update project in build configurations

SYNOPSIS
     bdep update [options] [pkg-spec] [cfg-spec] [cfg-var...]

     cfg-spec = (@cfg-name | --config|-c cfg-dir)... | --all|-a
     pkg-spec = (pkg | (--directory|-d pkg-dir))... | prj-spec
     prj-spec = --directory|-d prj-dir

DESCRIPTION
     The  update  command updates the project packages in one or more build con-
     figurations. Additionally, immediate or all  dependencies	of  the  project
     packages  can be updated by specifying the --immediate|-i or --recursive|-r
     options, respectively.

     Underneath update executes the bpkg-pkg-update(1) command which  itself  is
     not  much	more  than  the  build system update operation (see b(1) for de-
     tails). As a result, the main utility of this command is the ability to re-
     fer to build configurations by names and to project packages implicitly via
     the current working directory as well as to update dependencies.

     If no project or package directory is specified, then the	current  working
     directory	is  assumed.  If no configuration is specified, then the default
     configurations are assumed. See  bdep-projects-configs(1)	for  details  on
     specifying  projects  and configurations. Optional cfg-var... are the addi-
     tional configuration variables to pass to the build system.

UPDATE OPTIONS
     --immediate|-i
	    Also update immediate dependencies.

     --recursive|-r
	    Also update all dependencies, recursively.

     --all|-a
	    Use all build configurations.

     --config|-c dir
	    Specify the build configuration as a directory.

     --directory|-d dir
	    Assume project/package is in the specified directory rather than  in
	    the current working directory.

     --config-name|-n name
	    Specify the build configuration as a name.

     --config-id num
	    Specify the build configuration as an id.

COMMON OPTIONS
     The  common  options  are summarized below with a more detailed description
     available in bdep-common-options(1).

     -v     Print essential underlying commands being executed.

     -V     Print all underlying commands being executed.

     --quiet|-q
	    Run quietly, only printing error messages.

     --verbose level
	    Set the diagnostics verbosity to level between 0 and 6.

     --stdout-format format
	    Representation format to use for printing to stdout.

     --jobs|-j num
	    Number of jobs to perform in parallel.

     --progress
	    Display progress indicators for  long-lasting  operations,	such  as
	    network transfers, building, etc.

     --no-progress
	    Suppress  progress	indicators  for long-lasting operations, such as
	    network transfers, building, etc.

     --diag-color
	    Use color in diagnostics.

     --no-diag-color
	    Don't use color in diagnostics.

     --bpkg path
	    The package manager program to be used for build configuration  man-
	    agement.

     --bpkg-option opt
	    Additional option to be passed to the package manager program.

     --build path
	    The build program to be used to build packages.

     --build-option opt
	    Additional option to be passed to the build program.

     --curl path
	    The curl program to be used for network operations.

     --curl-option opt
	    Additional option to be passed to the curl program.

     --offline
	    Do not attempt to download resources (packages, repository metadata,
	    etc),  instead  taking  them from the local fetch cache if available
	    and failing otherwise.

     --no-fetch-cache
	    Disable local caching of download  resources  (packages,  repository
	    metadata, etc).

     --fetch-cache mode
	    Comma-separated list of local fetch cache modes.

     --fetch-cache-session id
	    The local fetch cache session.

     --sqlite-synchronous mode
	    Filesystem synchronization mode for the project SQLite database.

     --pager path
	    The pager program to be used to show long text.

     --pager-option opt
	    Additional option to be passed to the pager program.

     --options-file file
	    Read additional options from file.

     --default-options dir
	    The directory to load additional default options files from.

     --no-default-options
	    Don't load default options files.

DEFAULT OPTIONS FILES
     See  bdep-default-options-files(1)  for  an overview of the default options
     files. For the update command the search start directory is the project di-
     rectory. The following options files are searched	for  in  each  directory
     and, if found, loaded in the order listed:

     bdep.options
     bdep-update.options

     The following update command options cannot be specified in the default op-
     tions files:

     --directory|-d

BUGS
     Send bug reports to the users@build2.org mailing list.

COPYRIGHT
     Copyright (c) 2014-2026 the build2 authors.

     Permission is granted to copy, distribute and/or modify this document under
     the terms of the MIT License.

bdep 0.18.0			   April 2026			  bdep-update(1)
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