From b4584ea8546be227c74174130ec3a04a93996d28 Mon Sep 17 00:00:00 2001
From: Aditya R <arajan@redhat.com>
Date: Wed, 24 Aug 2022 11:22:33 +0530
Subject: run,create: add support for --env-merge for preprocessing vars
Allow end users to preprocess default environment variables before
injecting them into container using `--env-merge`
Usage
```
podman run -it --rm --env-merge some=${some}-edit --env-merge
some2=${some2}-edit2 myimage sh
```
Closes: https://github.com/containers/podman/issues/15288
Signed-off-by: Aditya R <arajan@redhat.com>
---
docs/source/markdown/options/env-merge.md | 5 +++++
docs/source/markdown/podman-create.1.md.in | 2 ++
docs/source/markdown/podman-run.1.md.in | 2 ++
3 files changed, 9 insertions(+)
create mode 100644 docs/source/markdown/options/env-merge.md
(limited to 'docs')
diff --git a/docs/source/markdown/options/env-merge.md b/docs/source/markdown/options/env-merge.md
new file mode 100644
index 000000000..aa1aa003d
--- /dev/null
+++ b/docs/source/markdown/options/env-merge.md
@@ -0,0 +1,5 @@
+#### **--env-merge**=*env*
+
+Preprocess default environment variables for the containers. For example
+if image contains environment variable `hello=world` user can preprocess
+it using `--env-merge hello=${hello}-some` so new value will be `hello=world-some`.
diff --git a/docs/source/markdown/podman-create.1.md.in b/docs/source/markdown/podman-create.1.md.in
index 9518568bb..0e65e7e3a 100644
--- a/docs/source/markdown/podman-create.1.md.in
+++ b/docs/source/markdown/podman-create.1.md.in
@@ -208,6 +208,8 @@ Read in a line delimited file of environment variables. See **Environment** note
@@option env-host
+@@option env-merge
+
@@option expose
#### **--gidmap**=*container_gid:host_gid:amount*
diff --git a/docs/source/markdown/podman-run.1.md.in b/docs/source/markdown/podman-run.1.md.in
index 3e31ccc45..98d57a9c1 100644
--- a/docs/source/markdown/podman-run.1.md.in
+++ b/docs/source/markdown/podman-run.1.md.in
@@ -243,6 +243,8 @@ Read in a line delimited file of environment variables. See **Environment** note
@@option env-host
+@@option env-merge
+
@@option expose
#### **--gidmap**=*container_gid:host_gid:amount*
--
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