Feat: inotify action

3 files changed, 34 insertions, 3 deletions

diff --git a/ChangeLog.md b/ChangeLog.md
index f8f520c..7a0c8a4 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # ChangeLog
 
+## 0.3.0 - unreleased
+
+* Inotify action for watching a folder in the host and issuing commands in the
+  guest upon change.
+
 ## 0.2.0 - 2024-07-02
 
 * Increase default `msize` for 9p mounts to 32MiB depending on kernel support,
diff --git a/IDEAS.md b/IDEAS.md
index d942729..b498535 100644
--- a/IDEAS.md
+++ b/IDEAS.md
@@ -2,13 +2,13 @@
 
 ## Usability
 
+* Submit patch for spice-client-gtk for menuless windows (spice usecase) to
+  Debian.
+
 * Docs (tutorial and manpage).
 
 * Makefile and debian package.
 
-* Submit patch for spice-client-gtk for menuless windows (spicec usecase) to
-  Debian.
-
 * Systemd service for a single VM.
 
 * Shell completions.
diff --git a/kvmx b/kvmx
index 5ab776f..e912f84 100755
--- a/kvmx
+++ b/kvmx
@@ -2562,6 +2562,32 @@ function kvmx_growpart {
   kvmx_restart
 }
 
+# Inotify dispatcher
+function kvmx_inotify {
+  local watched="$1"
+
+  shift
+  local command="$*"
+
+  # Syntax check
+  if [ -z "$command" ]; then
+    echo "usage $BASENAME inotify $GUEST <watched> <command>"
+    echo "example: kvmx inotify $guest hostfolder make -C guestfolder compile"
+    exit 1
+  fi
+
+  # Check if watched exists
+  if [ ! -e "$watched" ]; then
+    echo "Not found: $watched"
+    exit 1
+  fi
+
+  # Dispatch
+  while inotifywait -r $watched; do
+    echo "$command" | kvmx_ssh
+  done
+}
+
 # Dispatch
 if type kvmx_$ACTION 2> /dev/null | grep -q "kvmx_$ACTION ()"; then
   __kvmx_initialize $*