backporting: Stop scripts from running on non-Linux

This is mainly for the benefit of macOS users typing in the wrong terminal. Signed-off-by: Tom Payne <tom@isovalent.com>
cilium · Nov 16, 2020 · 05eabc7 · 05eabc7
1 parent a553f79
commit 05eabc7
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diff --git a/contrib/backporting/check-stable b/contrib/backporting/check-stable
@@ -24,6 +24,8 @@ source $(dirname $(readlink -ne $BASH_SOURCE))/../release/lib/common.sh
 source $TOOL_LIB_PATH/gitlib.sh
 source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
 
+require_linux
+
 # Validate command-line
 common::argc_validate 2
 

diff --git a/contrib/backporting/cherry-pick b/contrib/backporting/cherry-pick
@@ -3,6 +3,8 @@ set -e
 
 source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
 
+require_linux
+
 cleanup () {
   if [ -n "$TMPF" ]; then
     rm $TMPF

diff --git a/contrib/backporting/common.sh b/contrib/backporting/common.sh
@@ -27,3 +27,10 @@ get_remote () {
   fi
   echo "$remote"
 }
+
+require_linux() {
+  if [ "$(uname)" != "Linux" ]; then
+      echo "$0: Linux required"
+      exit 1
+  fi
+}
diff --git a/contrib/backporting/start-backport b/contrib/backporting/start-backport
@@ -18,6 +18,8 @@ source $(dirname $(readlink -ne $BASH_SOURCE))/../release/lib/common.sh
 source $TOOL_LIB_PATH/gitlib.sh
 source $(dirname $(readlink -ne $BASH_SOURCE))/common.sh
 
+require_linux
+
 # Validate command-line
 common::argc_validate 1
 

diff --git a/contrib/backporting/submit-backport b/contrib/backporting/submit-backport
@@ -18,6 +18,8 @@ DIR=$(dirname $(readlink -ne $BASH_SOURCE))
 source $DIR/../release/lib/common.sh
 source $DIR/common.sh
 
+require_linux
+
 BRANCH="${1:-}"
 if [ "$BRANCH" = "" ]; then
     BRANCH=$(git symbolic-ref --short HEAD | sed 's/.*\(v[0-9]\.[0-9]\).*/\1/')