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add pre hooks #511

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36 changes: 24 additions & 12 deletions src/Core/Main.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -1586,6 +1586,8 @@ public class Main : GLib.Object{

Snapshot snapshot_to_link = null;

this.run_pre_backup_hooks(snapshot_path);

// check if a snapshot was restored recently and use it for linking ---------

try{
Expand Down Expand Up @@ -1735,7 +1737,7 @@ public class Main : GLib.Object{
string time_stamp = dt_created.format("%Y-%m-%d_%H-%M-%S");
string snapshot_name = time_stamp;
string sys_uuid = (sys_root == null) ? "" : sys_root.uuid;
string snapshot_path = "";
string snapshot_base_path = path_combine(repo.mount_paths["@"], "timeshift-btrfs/snapshots/%s/".printf(snapshot_name));

// create subvolume snapshots

Expand All @@ -1745,10 +1747,12 @@ public class Main : GLib.Object{

subvol_names = new string[] { "@","@home" };
}

this.run_pre_backup_hooks(snapshot_base_path);

foreach(var subvol_name in subvol_names){

snapshot_path = path_combine(repo.mount_paths[subvol_name], "timeshift-btrfs/snapshots/%s".printf(snapshot_name));
string snapshot_path = path_combine(repo.mount_paths[subvol_name], "timeshift-btrfs/snapshots/%s".printf(snapshot_name));

dir_create(snapshot_path, true);

Expand Down Expand Up @@ -1786,13 +1790,13 @@ public class Main : GLib.Object{

//log_msg(_("Writing control file..."));

snapshot_path = path_combine(repo.mount_paths["@"], "timeshift-btrfs/snapshots/%s".printf(snapshot_name));
string control_path = snapshot_base_path + snapshot_name;

string initial_tags = (tag == "ondemand") ? "" : tag;

// write control file
var snapshot = Snapshot.write_control_file(
snapshot_path, dt_created, sys_uuid, current_distro.full_name(),
control_path, dt_created, sys_uuid, current_distro.full_name(),
initial_tags, cmd_comments, 0, true, false, repo);

// write subvolume info
Expand All @@ -1804,24 +1808,32 @@ public class Main : GLib.Object{
set_tags(snapshot); // set_tags() will update the control file

// Perform any post-backup actions
this.run_post_backup_hooks(snapshot_path);
this.run_post_backup_hooks(snapshot_base_path);

return snapshot;
}

private void run_pre_backup_hooks(string snapshot_path) {
this.run_hooks("/etc/timeshift/pre-backup-hooks.d", snapshot_path);
}

private void run_post_backup_hooks(string snapshot_path) {
const string backuphooksdir = "/etc/timeshift/backup-hooks.d";
FileType fileType = File.new_for_path(backuphooksdir).query_file_type(FileQueryInfoFlags.NONE);
this.run_hooks("/etc/timeshift/backup-hooks.d", snapshot_path);
}

private void run_hooks(string path, string snapshot_path) {
FileType fileType = File.new_for_path(path).query_file_type(FileQueryInfoFlags.NONE);
if(fileType == FileType.DIRECTORY) {
log_debug("Running post-backup tasks...");
log_debug("Running tasks...");

string mode_text = (this.btrfs_mode ? "BTRFS" : "RSYNC");

string sh = "export TS_SNAPSHOT_PATH=\"" + snapshot_path + "\" &&" +
" run-parts --verbose \"%s\"".printf(backuphooksdir);
string sh = "export TS_SNAPSHOT_PATH=\"%s\" TS_MODE=\"%s\" && run-parts --verbose \"%s\"".printf(snapshot_path, mode_text, path);
exec_script_sync(sh, null, null, false, false, false, true);

log_debug("Finished running post-backup tasks...");
log_debug("Finished running tasks...");
} else {
log_debug("Backup hooks skipped, because %s does not exist".printf(backuphooksdir));
log_debug("Hooks skipped, because %s does not exist".printf(path));
}
}

Expand Down
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