man: add manpage for hooks related env options

Signed-off-by: Ma Shimiao <[email protected]>

Author: Ma Shimiao

completions/bash/oci-runtime-tool

@@ -358,10 +358,13 @@ _oci-runtime-tool_generate() {
 		--mount-cgroups
 		--output
 		--poststart
+		--poststart-env
 		--poststart-timeout
 		--poststop
+		--poststop-env
 		--poststop-timeout
 		--prestart
+		--prestart-env
 		--prestart-timeout
 		--process-cap-add
 		--process-cap-drop

man/oci-runtime-tool-generate.1.md

@@ -272,6 +272,10 @@ read the configuration from `config.json`.
   gets launched but after the container environment and main process has been
   created.
 
+**--poststart-env**=[]
+  Set environment variables for commands in poststart hooks, format is CMD:ENV. e.g. --poststart-env=/bin/test:key=value
+  This option can be specified multiple times. When same CMD specified over once, the last one make sense.
+
 **--poststart-timeout**=[]
   Set timeout for commands in poststart hooks, format is CMD:TIMEOUT. e.g. --poststart-timeout=/bin/test:5
   This option can be specified multiple times. When same CMD specified over once, the last one make sense.
@@ -281,6 +285,10 @@ read the configuration from `config.json`.
   The multiple commands will be run in order after the container process
   is stopped.
 
+**--poststop-env**=[]
+  Set environment variables for commands in poststop hooks, format is CMD:ENV. e.g. --poststop-env=/bin/test:key=value
+  This option can be specified multiple times. When same CMD specified over once, the last one make sense.
+
 **--poststop-timeout**=[]
   Set timeout for commands in poststop hooks, format is CMD:TIMEOUT. e.g. --poststop-timeout=/bin/test:5
   This option can be specified multiple times. When same CMD specified over once, the last one make sense.
@@ -290,6 +298,10 @@ read the configuration from `config.json`.
   The multiple commands will be run in order after the container process
   has been created but before it executes the user-configured code.
 
+**--prestart-env**=[]
+  Set environment variables for commands in poststop hooks, format is CMD:ENV. e.g. --prestart-env=/bin/test:key=value
+  This option can be specified multiple times. When same CMD specified over once, the last one make sense.
+
 **--prestart-timeout**=[]
   Set timeout for commands in prestart hooks, format is CMD:TIMEOUT. e.g. --prestart-timeout=/bin/test:5
   This option can be specified multiple times. When same CMD specified over once, the last one make sense.