From 5d49e53a531ba4bfa55793e0f99c6470cc466bae Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Mon, 2 May 2022 22:04:46 -0300
Subject: src/development/lib.sh: Add helper file

---
 src/development/lib.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 src/development/lib.sh

diff --git a/src/development/lib.sh b/src/development/lib.sh
new file mode 100755
index 0000000..fb2c124
--- /dev/null
+++ b/src/development/lib.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+assert_arg() {
+	if [ -z "$1" ]; then
+		echo "Missing $2" >&2
+		exit 2
+	fi
+}
+
+uuid() {
+        od -xN20 /dev/urandom |
+                head -n1 |
+                awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}'
+}
+
+tmpname() {
+        echo "${TMPDIR:-/tmp}/uuid-tmpname with spaces.$(uuid)"
+}
+
+mkstemp() {
+	name="$(tmpname)"
+	touch "$name"
+	echo "$name"
+}
+
+mkdtemp() {
+        name="$(tmpname)"
+	mkdir "$name"
+        echo "$name"
+}
-- 
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