feat: make prune policy configurable in the addrepoview in the UI

internal/orchestrator/taskprune.go

@@ -57,7 +57,7 @@ func (t *PruneTask) Next(now time.Time) *time.Time {
 			SnapshotId:      t.linkSnapshot,
 			UnixTimeStartMs: timeToUnixMillis(*ret),
 			Status:          v1.OperationStatus_STATUS_PENDING,
-			Op:              &v1.Operation_OperationForget{},
+			Op:              &v1.Operation_OperationPrune{},
 		}); err != nil {
 			zap.S().Errorf("task %v failed to add operation to oplog: %v", t.Name(), err)
 			return nil

proto/v1/config.proto

@@ -6,7 +6,7 @@ option go_package = "github.com/garethgeorge/backrest/gen/go/v1";
 
 // Config is the top level config object for restic UI.
 message Config {
-   // modification number, used for read-modify-write consistency in the UI. Incremented on every write.
+  // modification number, used for read-modify-write consistency in the UI. Incremented on every write.
   int32 modno = 1 [json_name="modno"];
 
   // override the hostname tagged on backups. If provided it will be used in addition to tags to group backups.
@@ -49,9 +49,9 @@ message RetentionPolicy {
 }
 
 message PrunePolicy {
-  int32 max_frequency_days = 1; // max frequency of prune runs in days. If 0, prune will be run on every backup.
-  int32 max_unused_percent = 100; // max percentage of repo size that can be unused before prune is run.
-  int32 max_unused_bytes = 101; // max number of bytes that can be unused before prune is run.
+  int32 max_frequency_days = 1 [json_name="maxFrequencyDays"]; // max frequency of prune runs in days. If 0, prune will be run on every backup.
+  int32 max_unused_percent = 100 [json_name="maxUnusedPercent"]; // max percentage of repo size that can be unused before prune is run.
+  int32 max_unused_bytes = 101 [json_name="maxUnusedBytes"]; // max number of bytes that can be unused before prune is run.
 }
 
 message User {

scripts/latest-restic-version.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
 
 curl -s https://api.github.com/repos/restic/restic/releases/latest \
-| grep "https://api.github.com/repos/restic/restic/tarball/" \
-| sed -E 's/.*v([0-9]+\.[0-9]+\.[0-9]+).*/\1/
-
+  | grep "https://api.github.com/repos/restic/restic/tarball/" \
+  | sed -E 's/.*v([0-9]+\.[0-9]+\.[0-9]+).*/\1/' # extract just the version number

scripts/update-restic-version.sh

@@ -0,0 +1,12 @@
+#! /bin/bash
+
+latest_restic_version=$(./scripts/latest-restic-version.sh)
+
+if [ -z "$latest_restic_version" ]; then
+  echo "Failed to get latest restic version"
+  exit 1
+fi
+
+echo "Latest restic version: $latest_restic_version"
+
+sed -i -E "s/^.*RequiredResticVersion\ =\ .*$/	RequiredResticVersion\ =\ \"$latest_restic_version\"/g" internal/resticinstaller/resticinstaller.go

webui/src/views/AddRepoModal.tsx

@@ -8,6 +8,8 @@ import {
   Button,
   Row,
   Col,
+  Card,
+  InputNumber,
 } from "antd";
 import React, { useState } from "react";
 import { useShowModal } from "../components/ModalManager";
@@ -396,6 +398,37 @@ export const AddRepoModal = ({
             )}
           </Form.List>
 
+          {/* Repo.prunePolicy */}
+          <Form.Item
+            required={false}
+            label={
+              <Tooltip title={<span>The schedule on which prune operations are run for this repository. Read <a href="https://restic.readthedocs.io/en/stable/060_forget.html#customize-pruning">the restic docs on customizing prune operations</a> for more details.</span>}>
+                Prune Policy
+              </Tooltip>
+            }
+          >
+            <Card>
+              <Form.Item
+                name={["prunePolicy", "maxFrequencyDays"]}
+                initialValue={template?.prunePolicy?.maxFrequencyDays || 7}
+                required={false}
+              >
+                <InputNumber addonBefore={<div style={{ width: "12em" }}>Max Frequency Days</div>} />
+              </Form.Item>
+              <Form.Item
+                name={["prunePolicy", "maxUnusedPercent"]}
+                initialValue={template?.prunePolicy?.maxUnusedPercent || 25}
+                required={false}
+              >
+                <InputNumber addonBefore={
+                  <Tooltip title="The maximum percentage of the repo size that may be unused after a prune operation completes. High values reduce copying at the expense of storage.">
+                    <div style={{ width: "12em" }}>Max Unused Percent</div>
+                  </Tooltip>}
+                />
+              </Form.Item>
+            </Card>
+          </Form.Item>
+
           <Form.Item shouldUpdate label="Preview">
             {() => (
               <Typography>