From e544342fae2c26908bbaf239dbc5fd9cadfee1ce Mon Sep 17 00:00:00 2001
From: Ville Rantanen <q@moonq.org>
Date: Thu, 3 Nov 2022 13:41:00 +0200
Subject: [PATCH] rsync copy filter

---
 bin/rsync-copy-filter   |  1 +
 files/rsync-copy-filter | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 120000 bin/rsync-copy-filter
 create mode 100755 files/rsync-copy-filter

diff --git a/bin/rsync-copy-filter b/bin/rsync-copy-filter
new file mode 120000
index 0000000..a608012
--- /dev/null
+++ b/bin/rsync-copy-filter
@@ -0,0 +1 @@
+../files/rsync-copy-filter
\ No newline at end of file
diff --git a/files/rsync-copy-filter b/files/rsync-copy-filter
new file mode 100755
index 0000000..31befe4
--- /dev/null
+++ b/files/rsync-copy-filter
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -e
+function helpexit() {
+    echo Usage: $( basename "$0" ) source/ target/ [include] [[include]]
+    echo Copy files with a glob inclusion, keeping folder structure.
+    echo Example: fromfolder/  to/folder/ '*.jpg' '*.png'
+    echo This command always
+    echo '* recurses to folders!'
+    echo '* overwrites existing files'
+    exit
+}
+
+for ((i=1; i<=${#@}; i++)) {
+    [[ "${!i}" = "-h" ]] && helpexit
+    [[ "${!i}" = "--help" ]] && helpexit
+}
+
+if [[ -z "$3" ]]; then
+  helpexit
+fi
+
+SRC="$1"
+TGT="$2"
+
+for ((i=3; i<=${#@}; i++)) {
+    includes="$includes --include=\"${!i}\""
+}
+
+eval rsync -av --no-i-r --prune-empty-dirs \
+    --include="*/" "$includes" --exclude="*" \
+    "$SRC" "$TGT"