System. Provide general synchronization from shared folders

TODO. Document usage in README (copy from conversation with SRE) Jul
2, 2024

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/sync b/lib/sync
new file mode 100755
index 0000000..1db2b30
--- /dev/null
+++ b/lib/sync
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+HELP="Usage: sync [-h]
+
+Sync a source with a Git repository target.
+
+Parameters
+    Environmntal variables
+        FRIPOST_SYNC_SRC      set source directory
+    -h                        help
+
+Set target directory where the repository is found and script
+executed. Set source directory to for example a shared folder.  Make
+sure that all pahts are absolute."
+
+EXCL="
+*~*
+*#*
+Readme.md
+lib
+"
+
+trg="$PWD"
+src="$FRIPOST_SYNC_SRC"
+excl=$XDG_RUNTIME_DIR/${0##*/}-excl
+
+if [ "$1" == "-h" ]; then echo "$HELP"; exit; fi
+if [ ! -d "$src" -o ! -d "$trg" ]; then
+    echo -n "Suorce '$src' and target '$trg' must be valid directories."
+    echo " See help: '${0} -h'."
+    exit 1
+fi
+
+echo  "${0##*/}: I: Sync '${src}' to '${trg}'" 1>&2
+
+echo "$EXCL" > $excl
+
+rsync -a --delete -P --exclude-from=$excl "${src}"/ "${trg}"/ \
+      | grep -iv "^sending"
+git -C "${trg}" status --short --branch