Add build hash to makefile

Makefile

@@ -201,6 +201,18 @@ endif
 # Playbooks
 BUILD_PLAYBOOKS_DIR ?= ../mattermost-plugin-playbooks
 BUILD_PLAYBOOKS ?= false
+BUILD_HASH_PLAYBOOKS = none
+
+ifneq ($(wildcard $(BUILD_PLAYBOOKS_DIR)/.),)
+  ifeq ($(BUILD_PLAYBOOKS),true)
+    BUILD_PLAYBOOKS = true
+    BUILD_HASH_PLAYBOOKS = $(shell cd $(BUILD_PLAYBOOKS_DIR) && git rev-parse HEAD)
+  else
+    BUILD_PLAYBOOKS = false
+  endif
+else
+    BUILD_PLAYBOOKS = false
+endif
 
 ifeq ($(BUILD_PLAYBOOKS),true)
 IGNORE:=$(shell cp $(BUILD_PLAYBOOKS_DIR)/product/imports/playbooks_imports.go imports/)
@@ -208,6 +220,8 @@ else
 	IGNORE:=$(shell rm -f imports/playbooks_imports.go)
 endif
 
+LDFLAGS += -X "github.com/mattermost/mattermost-server/v6/model.BuildHashPlaybooks=$(BUILD_HASH_PLAYBOOKS)"
+
 all: run ## Alias for 'run'.
 
 -include config.override.mk

config/client.go

@@ -225,6 +225,7 @@ func GenerateLimitedClientConfig(c *model.Config, telemetryID string, license *m
 	props["BuildEnterpriseReady"] = model.BuildEnterpriseReady
 	props["BuildHashBoards"] = model.BuildHashBoards
 	props["BuildBoards"] = model.BuildBoards
+	props["BuildHashPlaybooks"] = model.BuildHashPlaybooks
 
 	props["EnableBotAccountCreation"] = strconv.FormatBool(*c.ServiceSettings.EnableBotAccountCreation)
 	props["EnableFile"] = strconv.FormatBool(*c.LogSettings.EnableFile)

model/version.go

@@ -117,6 +117,7 @@ var BuildHashEnterprise string
 var BuildEnterpriseReady string
 var BuildHashBoards string
 var BuildBoards string
+var BuildHashPlaybooks string
 var versionsWithoutHotFixes []string
 
 func init() {