Am 02.07.2013 12:12, schrieb Chris Packham:
> Users can set submodule.$name.update to '!command' which will cause
> 'command' to be run instead of checkout/merge/rebase. This allows the
> user some finer grained control over how the update is done. The primary
> motivation for this was interoperability with stgit however being able
> to intercept the submodule update process may prove useful for
> integrating or extending other tools.
>
> Signed-off-by: Chris Packham <judge.packham@xxxxxxxxx>
> ---
> v3 updated as per Junio's review.
Thanks, a few comments below.
> Still needs tests. Any suggestions? I've been manually testing by setting
> submodule.$name.update to '!echo'. I haven't looked to see if there are
> existing 'submodule update' tests yet.
t7406-submodule-update.sh should be the right place.
> Documentation/git-submodule.txt | 5 ++++-
> git-submodule.sh | 6 ++++++
> 2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
> index e576713..0befc20 100644
> --- a/Documentation/git-submodule.txt
> +++ b/Documentation/git-submodule.txt
> @@ -159,7 +159,9 @@ update::
> This will make the submodules HEAD be detached unless `--rebase` or
> `--merge` is specified or the key `submodule.$name.update` is set to
> `rebase`, `merge` or `none`. `none` can be overridden by specifying
> - `--checkout`.
> + `--checkout`. Setting the key `submodule.$name.update` to `!command`
> + will cause `command` to be run. `command` can be any arbitrary shell
> + command that takes a single argument, namely the sha1 to update to.
> +
> If the submodule is not yet initialized, and you just want to use the
> setting as stored in .gitmodules, you can automatically initialize the
> @@ -172,6 +174,7 @@ If `--force` is specified, the submodule will be checked out (using
> `git checkout --force` if appropriate), even if the commit specified in the
> index of the containing repository already matches the commit checked out in
> the submodule.
> ++
>
> summary::
> Show commit summary between the given commit (defaults to HEAD) and
I'm not sure this change is necessary ;-)
> diff --git a/git-submodule.sh b/git-submodule.sh
> index eb58c8e..a7c2375 100755
> --- a/git-submodule.sh
> +++ b/git-submodule.sh
> @@ -799,6 +799,12 @@ Maybe you want to use 'update --init'?")"
> say_msg="$(eval_gettext "Submodule path '\$prefix\$sm_path': merged in '\$sha1'")"
> must_die_on_failure=yes
> ;;
> + !*)
> + command="${update_module#!}"
> + die_msg="$(eval_gettext "Unable to exec '\$command \$sha1' in submodule path '\$prefix\$sm_path'")"
Hmm, "Unable to exec" does not quite cut it, as the command was executed
but returned an error, right? Maybe something like this:
Execution of '\$command \$sha1' failed in submodule path '\$prefix\$sm_path'
> + say_msg="$(eval_gettext "Submodule path '\$prefix\$sm_path': '\$command \$sha1'")"
> + must_die_on_failure=yes
> + ;;
> *)
> command="git checkout $subforce -q"
> die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$prefix\$sm_path'")"
>
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