Fix ssh key format

New Docker Hub UI loses newlines in the env
var settings. Loss of new lines leads ssh-add
to prompt and fail when loading the key.

Base64 encode and decode the key to workaround
the limitation.

all-spark-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

datascience-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

minimal-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

pyspark-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

r-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

scipy-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"

tensorflow-notebook/hooks/post_push

@@ -18,7 +18,7 @@ INDEX_FILE="${GIT_SANDBOX}/Home.md"
 
 # Configure git so it can push back to GitHub.
 eval $(ssh-agent -s)
-ssh-add <(echo "$DEPLOY_KEY")
+ssh-add <(base64 -d <(echo "$DEPLOY_KEY"))
 ssh-add -l
 git config --global user.email "jupyter@googlegroups.com"
 git config --global user.name "Jupyter Docker Stacks"