Corrected description of --sig-proxy

Signal proxy does work only in non-TTY mode (--tty=false). Man pages and
commands should not lie about it.

Signed-off-by: Michal Minar <miminar@redhat.com>

contrib/completion/fish/docker.fish

@@ -67,7 +67,7 @@ complete -c docker -f -n '__fish_docker_no_subcommand' -s v -l version -d 'Print
 # attach
 complete -c docker -f -n '__fish_docker_no_subcommand' -a attach -d 'Attach to a running container'
 complete -c docker -A -f -n '__fish_seen_subcommand_from attach' -l no-stdin -d 'Do not attach stdin'
-complete -c docker -A -f -n '__fish_seen_subcommand_from attach' -l sig-proxy -d 'Proxify all received signal to the process (even in non-tty mode)'
+complete -c docker -A -f -n '__fish_seen_subcommand_from attach' -l sig-proxy -d 'Proxify all received signal to the process (non-TTY mode only)'
 complete -c docker -A -f -n '__fish_seen_subcommand_from attach' -a '(__fish_print_docker_containers running)' -d "Container"
 
 # build
@@ -237,7 +237,7 @@ complete -c docker -A -f -n '__fish_seen_subcommand_from run' -l name -d 'Assign
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -s p -l publish -d "Publish a container's port to the host (format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort) (use 'docker port' to see the actual mapping)"
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -l privileged -d 'Give extended privileges to this container'
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -l rm -d 'Automatically remove the container when it exits (incompatible with -d)'
-complete -c docker -A -f -n '__fish_seen_subcommand_from run' -l sig-proxy -d 'Proxify all received signal to the process (even in non-tty mode)'
+complete -c docker -A -f -n '__fish_seen_subcommand_from run' -l sig-proxy -d 'Proxify all received signal to the process (non-TTY mode only)'
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -s t -l tty -d 'Allocate a pseudo-tty'
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -s u -l user -d 'Username or UID'
 complete -c docker -A -f -n '__fish_seen_subcommand_from run' -s v -l volume -d 'Bind mount a volume (e.g. from the host: -v /host:/container, from docker: -v /container)'

docs/sources/reference/commandline/cli.md

@@ -249,7 +249,7 @@ Docker supports softlinks for the Docker data directory
     Attach to a running container
 
       --no-stdin=false    Do not attach STDIN
-      --sig-proxy=true    Proxy all received signals to the process (even in non-TTY mode). SIGCHLD, SIGKILL, and SIGSTOP are not proxied.
+      --sig-proxy=true    Proxy all received signals to the process (non-TTY mode only). SIGCHLD, SIGKILL, and SIGSTOP are not proxied.
 
 The `attach` command lets you view or interact with any running container's
 primary process (`pid 1`).
@@ -1265,7 +1265,7 @@ removed before the image is removed.
       --privileged=false         Give extended privileges to this container
       --restart=""               Restart policy to apply when a container exits (no, on-failure[:max-retry], always)
       --rm=false                 Automatically remove the container when it exits (incompatible with -d)
-      --sig-proxy=true           Proxy received signals to the process (even in non-TTY mode). SIGCHLD, SIGSTOP, and SIGKILL are not proxied.
+      --sig-proxy=true           Proxy received signals to the process (non-TTY mode only). SIGCHLD, SIGSTOP, and SIGKILL are not proxied.
       -t, --tty=false            Allocate a pseudo-TTY
       -u, --user=""              Username or UID
       -v, --volume=[]            Bind mount a volume (e.g., from the host: -v /host:/container, from Docker: -v /container)

docs/sources/reference/run.md

@@ -83,7 +83,7 @@ and pass along signals. All of that is configurable:
 
     -a=[]           : Attach to `STDIN`, `STDOUT` and/or `STDERR`
     -t=false        : Allocate a pseudo-tty
-    --sig-proxy=true: Proxify all received signal to the process (even in non-tty mode)
+    --sig-proxy=true: Proxify all received signal to the process (non-TTY mode only)
     -i=false        : Keep STDIN open even if not attached
 
 If you do not specify `-a` then Docker will [attach all standard