Bug 543964 - Dockerfile editor flags SHELL as unknown

- update Dockerfile editor instructions.txt to include SHELL
- add new SHELL.html to Dockerfile editor additional-info

Change-Id: I9b43a9c4e7ec27125a37cc3f167184dac90909e0
Reviewed-on: https://git.eclipse.org/r/136025
Tested-by: CI Bot
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/containers/org.eclipse.linuxtools.docker.editor/assets/additional-info/SHELL.html b/containers/org.eclipse.linuxtools.docker.editor/assets/additional-info/SHELL.html
new file mode 100644
index 0000000000..eb4eab17e3
--- /dev/null
+++ b/containers/org.eclipse.linuxtools.docker.editor/assets/additional-info/SHELL.html
@@ -0,0 +1,9 @@
+<p>
+<b>SHELL</b> allows overriding the default shell used for the shell form of commands.  The JSON format is required: ["executable", "parameters"].  On Linux, the default is: ["/bin/sh", "-c"] whereas on Windows it is ["cmd", "/S", "/C"].
+</p>
+<br/>
+<p>
+<pre>
+SHELL ["powershell", "-command"]
+</pre>
+</p>
diff --git a/containers/org.eclipse.linuxtools.docker.editor/assets/instructions.txt b/containers/org.eclipse.linuxtools.docker.editor/assets/instructions.txt
index 98ae16e535..8c0ffccc8f 100644
--- a/containers/org.eclipse.linuxtools.docker.editor/assets/instructions.txt
+++ b/containers/org.eclipse.linuxtools.docker.editor/assets/instructions.txt
@@ -11,6 +11,7 @@ LABEL
 MAINTAINER
 ONBUILD
 RUN
+SHELL
 USER
 VOLUME
 WORKDIR