[ros-users] multiple released stacks in git repositories?

[Ken Tossell]

On Wed, Jan 19, 2011 at 4:20 PM, Ken Conley <kwc at willowgarage.com> wrote:
> Our indexer just uses rosinstall, so that is one way of debugging from
> your end any potential setups.

rosinstall here (0.5.12) had no problem fetching the repository:

- git: {local-name: umd-ros-pkg, uri: 'git://
ram.umd.edu/umd-ros-pkg-test.git', version: master} [git 1.7.0.4]

> submodules are still immature.  For example, they aren't available on
> pre-Lucid Ubuntu machines.

If ros.org could direct users to the subrepositories when they inquire about
stacks or packages (wiki, roslocate, etc.), would that help to avoid added
confusion? Something like the following (code attached):

repo.yaml:
name: umd-ros-pkg-test
packages:
 gps_common: {authors: Ken Tossell, brief: gps_common, license: BSD, stack:
gps_umd,
   url: 'http://ros.org/wiki/gps_common', *vcs_uri*: 'git://
ram.umd.edu/ros/gps_umd.git'}
 gpsd_client: {authors: 'Rob Thomson, Ken Tossell', brief: gpsd_client,
license: BSD,
   stack: gps_umd, url: 'http://ros.org/wiki/gpsd_client', vcs_uri: 'git://
ram.umd.edu/ros/gps_umd.git'}
 pkg_in_main_repo: {authors: '', brief: pkg_in_main_repo, license: BSD,
stack: stack_in_main_repo,
   url: 'http://ros.org/wiki/pkg_in_main_repo', *vcs_uri*: 'git://
ram.umd.edu/umd-ros-pkg-test.git'}
 some_imported_pkg: {authors: '', brief: some_imported_pkg, license: BSD,
stack: test_ros,
   url: 'http://ros.org/wiki/some_imported_pkg', *vcs_uri*: 'git://
ram.umd.edu/ros/test_ros'}
stacks:
 gps_umd:
   authors: Ken Tossell
   brief: gps_umd
   description: GPS messages and libraries
   license: BSD
   packages: [gpsd_client, gps_common]
   url: http://ros.org/wiki/gps_umd
   *vcs_uri*: git://ram.umd.edu/ros/gps_umd.git
 stack_in_main_repo:
   authors: Maintained by
   brief: stack_in_main_repo
   description: stack_in_main_repo
   license: BSD
   packages: [pkg_in_main_repo]
   url: http://ros.org/wiki/stack_in_main_repo
   *vcs_uri*: git://ram.umd.edu/umd-ros-pkg-test.git
 test_ros:
   authors: Maintained by
   brief: test_ros
   description: test_ros
   license: ''
   packages: [some_imported_pkg]
   url: http://ros.org/wiki/test_ros
   *vcs_uri*: git://ram.umd.edu/ros/test_ros
vcs: {type: git, uri: 'git://ram.umd.edu/umd-ros-pkg-test.git'}

[similar effect for megamanifest/megastack]

Then the git repositories that use submodules would probably need to move
all of their stacks into submodules, so that users wouldn't have any need to
install both sub_repo.git (for imported_stack) and main_repo.git (for
stack_in_main_repo), ending up with two copies of imported_stack.

- Ken
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