initHEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/scripts/lf/lfub b/scripts/lf/lfub
new file mode 100755
index 0000000..45864e5
--- /dev/null
+++ b/scripts/lf/lfub
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# This is a wrapper script for lf that allows it to create image previews with
+# ueberzug. This works in concert with the lf configuration file and the
+# lf-cleaner script.
+
+set -e
+
+UB_PID=0
+UB_SOCKET=""
+
+case "$(uname -a)" in
+    *Darwin*) UEBERZUG_TMP_DIR="$TMPDIR" ;;
+    *) UEBERZUG_TMP_DIR="/tmp" ;;
+esac
+
+cleanup() {
+    exec 3>&-
+    ueberzugpp cmd -s "$UB_SOCKET" -a exit
+}
+
+if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
+    lf "$@"
+else
+    [ ! -d "$HOME/.cache/lf" ] && mkdir -p "$HOME/.cache/lf"
+    UB_PID_FILE="$UEBERZUG_TMP_DIR/.$(uuidgen)"
+    ueberzugpp layer --silent --no-stdin --use-escape-codes --pid-file "$UB_PID_FILE"
+    UB_PID=$(cat "$UB_PID_FILE")
+    rm "$UB_PID_FILE"
+    UB_SOCKET="$UEBERZUG_TMP_DIR/ueberzugpp-${UB_PID}.socket"
+    export UB_PID UB_SOCKET
+    trap cleanup HUP INT QUIT TERM EXIT
+    lf "$@" 3>&-
+fi