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authorEuAndreh <eu@euandre.org>2022-05-02 22:04:46 -0300
committerEuAndreh <eu@euandre.org>2022-05-02 22:04:46 -0300
commit5d49e53a531ba4bfa55793e0f99c6470cc466bae (patch)
treea7cb17b7387e2aee804e427dba218b70129f56c3 /src/development
parentaux/containers/guix/manifest.scm: Add md4c (diff)
downloadeuandre.org-5d49e53a531ba4bfa55793e0f99c6470cc466bae.tar.gz
euandre.org-5d49e53a531ba4bfa55793e0f99c6470cc466bae.tar.xz
src/development/lib.sh: Add helper file
Diffstat (limited to 'src/development')
-rwxr-xr-xsrc/development/lib.sh30
1 files changed, 30 insertions, 0 deletions
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"
+}