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package/tini: restore use as docker-init

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Commit 24cac9c4e6 "system: add tini as
init system" made BR2_PACKAGE_TINI depend on BR2_INIT_TINI. This is
incorrect: tini is not only needed when building a container image
using Buildroot, but also to run Docker containers on Buildroot
systems using another another init system, if Docker is configured to
provide an init process for the container (e.g. with "docker run
--init"). The tini package already provides the "docker-init" symlink
required for that.

Example error without tini installed:

$ docker run --rm -ti --init alpine
docker: Error response from daemon: exec: "docker-init": executable file not found in $PATH.

Signed-off-by: Fiona Klute (WIWA) <fiona.klute@gmx.de>
Reviewed-by: Christian Stewart <christian@aperture.us>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fiona Klute (WIWA)
2024-10-10 15:29:11 +02:00
committed by Thomas Petazzoni
parent 581297cb08
commit 7e6f761878
1 changed files with 0 additions and 1 deletions
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package/tini/Config.in
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@@ -1,7 +1,6 @@
config BR2_PACKAGE_TINI
bool "tini"
depends on BR2_USE_MMU # fork()
depends on BR2_INIT_TINI
help
tini is a simple but valid init binary to
act as PID 1 for containers.