Add alert script

1 files changed, 55 insertions, 0 deletions

diff --git a/alert b/alert
new file mode 100755
index 0000000..d25b383
--- /dev/null
+++ b/alert
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+## Taken from https://github.com/arl/scripts/blob/main/alert
+## alert sends desktop notification
+##
+## Usage: alert MSG [--] [CMD]
+##   MSG is the notification text.
+##   CMD is the optional command to run before showing the notification,
+##    in which case alert shows an error notification if CMD failed.
+##
+## Options:
+##   -h, --help    Display this message.
+
+usage() {
+  [ "$*" ] && echo "$0: $*"
+  sed -n '/^##/,/^$/s/^## \{0,1\}//p' "$0"
+  exit 2
+} 2>/dev/null
+
+main() {
+  if [ $# -lt 1 ]; then
+    usage
+  fi
+  MSG="${1}"
+  shift
+
+  while [ $# -gt 0 ]; do
+    case $1 in
+    -h | --help) usage 2>&1 ;;
+    --)
+      shift
+      "$@"
+      RC=$?
+      break
+      ;;
+    -*) usage "$1: unknown option" ;;
+    *) break ;;
+    esac
+  done
+
+  # List of freedesktop stock icons at:
+  # https://specifications.freedesktop.org/icon-naming-spec/latest
+  if [ -z "$RC" ]; then
+    ICON=dialog-information
+  elif [[ $RC -eq 0 ]]; then
+    MSG=$(echo -e "$MSG\n\n\"$*\"\n\nsuccess!")
+    ICON=face-cool
+  else
+    MSG=$(echo -e "$MSG\n\n\"$*\"\n\nfailure!")
+    ICON=face-angry
+  fi
+
+  notify-send --urgency=critical --icon $ICON "${MSG}"
+}
+
+main "$@"