From dda68201a40ca68cfce3cddb3c1fba9446719b47 Mon Sep 17 00:00:00 2001 From: Erik Sjölund Date: Sun, 19 Jun 2022 08:23:33 +0200 Subject: [CI:DOCS] Rewrite --env docs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Add docs about trailing * functionality in podman-exec.1.md * Rewrite --env description in podman-create.1.md and podman-run.1.md * Rewrite the --env examples in podman-create.1.md and podman-run.1.md Signed-off-by: Erik Sjölund --- docs/source/markdown/podman-create.1.md | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'docs/source/markdown/podman-create.1.md') diff --git a/docs/source/markdown/podman-create.1.md b/docs/source/markdown/podman-create.1.md index f464acde0..624b0b384 100644 --- a/docs/source/markdown/podman-create.1.md +++ b/docs/source/markdown/podman-create.1.md @@ -349,7 +349,7 @@ You need to specify multi option commands in the form of a json string. Set environment variables -This option allows arbitrary environment variables that are available for the process to be launched inside of the container. If an environment variable is specified without a value, Podman will check the host environment for a value and set the variable only if it is set on the host. If an environment variable ending in __*__ is specified, Podman will search the host environment for variables starting with the prefix and will add those variables to the container. If an environment variable with a trailing ***** is specified, then a value must be supplied. +This option allows arbitrary environment variables that are available for the process to be launched inside of the container. If an environment variable is specified without a value, Podman will check the host environment for a value and set the variable only if it is set on the host. As a special case, if an environment variable ending in __*__ is specified without a value, Podman will search the host environment for variables starting with the prefix and will add those variables to the container. See [**Environment**](#environment) note below for precedence and examples. @@ -1603,17 +1603,17 @@ Precedence order (later entries override earlier entries): - **--env-file** : Any environment variables specified via env-files. If multiple files specified, then they override each other in order of entry. - **--env** : Any environment variables specified will override previous settings. -Create containers and set the environment ending with a __*__ and a ***** +Create containers and set the environment ending with a __*__. +The trailing __*__ glob functionality is only active when no value is specified: ``` $ export ENV1=a -$ podman create --name ctr --env ENV* alpine printenv ENV1 -$ podman start --attach ctr -a - -$ podman create --name ctr --env ENV*****=b alpine printenv ENV***** -$ podman start --attach ctr -b +$ podman create --name ctr1 --env 'ENV*' alpine env +$ podman start --attach ctr1 | grep ENV +ENV1=a +$ podman create --name ctr2 --env 'ENV*=b' alpine env +$ podman start --attach ctr2 | grep ENV +ENV*=b ``` ## CONMON -- cgit v1.2.3-54-g00ecf