1 files changed, 22 insertions, 0 deletions
diff --git a/lib/common.sh b/lib/common.sh
new file mode 100644
index 0000000..51c9827
--- /dev/null
+++ b/lib/common.sh
@@ -0,0 +1,22 @@
+# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
+# This file is part of the "Config file sharing" project.
+# For details, see https://github.com/egor-tensin/config-links.
+# Distributed under the MIT License.
+
+dump() {
+    local prefix="${FUNCNAME[0]}"
+    [ "${#FUNCNAME[@]}" -gt 1 ] && prefix="${FUNCNAME[1]}"
+
+    local msg
+    for msg; do
+        echo "$prefix: $msg"
+    done
+}
+
+set_dry_run() {
+    dry_run=1
+}
+
+is_dry_run() {
+    test -n "${dry_run+x}"
+}