Initial commit

1 files changed, 24 insertions, 0 deletions

diff --git a/common.sh b/common.sh
new file mode 100755
index 0000000..315a6a0
--- /dev/null
+++ b/common.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+renice 15 $$
+ionice -c 3 -p $$
+
+cmd() {
+    while :; do
+        printf '[*] '
+        printf '%s ' "$@"
+        echo
+        if "$@"; then
+            break
+        else
+            printf "\"%s\" exited $?, dropping to shell... Exit 0 to retry, 2 to ignore, 3 to abort.\n" "$*"
+            $SHELL
+            case $? in
+                2) break ;;
+                3) exit 3 ;;
+            esac
+        fi
+    done
+}
+
+trap : INT