From 2a3fa5b8c749e631d2d7ed1bb01300f023c4b9ea Mon Sep 17 00:00:00 2001
From: Paul Buetow <git@mx.buetow.org>
Date: Tue, 25 May 2021 22:10:09 +0100
Subject: rename packages to lib

---
 lib/log.source.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 lib/log.source.sh

(limited to 'lib/log.source.sh')

diff --git a/lib/log.source.sh b/lib/log.source.sh
new file mode 100644
index 0000000..56c6587
--- /dev/null
+++ b/lib/log.source.sh
@@ -0,0 +1,30 @@
+# Log a message.
+log () {
+    local -r level="$1"; shift
+    local message
+
+    for message in "$@"; do
+        echo "$message"
+    done | log::_pipe "$level"
+}
+
+# Log a stream through a pipe.
+log::pipe () {
+    log::_pipe "$1"
+}
+
+# Internal log implementation.
+log::_pipe () {
+    local -r level="$1"; shift
+
+    if [[ "$level" == VERBOSE && -z "$LOG_VERBOSE" ]]; then
+        return
+    fi
+
+    local -r callee=${FUNCNAME[2]}
+    local -r stamp=$($DATE +%Y%m%d-%H%M%S)
+
+    while read -r line; do
+        echo "$level|$stamp|$callee|$line" >&2
+    done
+}
-- 
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