diff --git a/scale_build/config.py b/scale_build/config.py
index aeff10c..ac03c06 100644
--- a/scale_build/config.py
+++ b/scale_build/config.py
@@ -2,6 +2,7 @@ from os import environ, cpu_count
 from time import time
 from datetime import datetime
 
+IDENTITY_FILE_PATH_OVERRIDE_SUFFIX = '_OVERRIDE_IDENTITY_FILE_PATH'
 _VERS = '22.12-MASTER'
 
 
@@ -29,9 +30,10 @@ BUILD_TIME = int(time())
 BUILD_TIME_OBJ = datetime.fromtimestamp(BUILD_TIME)
 BUILDER_DIR = get_env_variable('BUILDER_DIR', './', str)
 BRANCH_OUT_NAME = get_env_variable('NEW_BRANCH_NAME', '', str)
-BRANCH_OVERRIDES = {k[:-(len('_OVERRIDE'))]: v for k, v in environ.items() if k.endswith('_OVERRIDE')}
+BRANCH_OVERRIDES = {}
 FORCE_CLEANUP_WITH_EPOCH_CHANGE = get_env_variable('FORCE_CLEANUP_WITH_EPOCH_CHANGE', 0, bool)
 GITHUB_TOKEN = get_env_variable('GITHUB_TOKEN', '', str)
+PACKAGE_IDENTITY_FILE_PATH_OVERRIDES = {}
 PARALLEL_BUILD = get_env_variable('PARALLEL_BUILDS', (max(cpu_count(), 8) / 4), int)
 PKG_DEBUG = get_env_variable('PKG_DEBUG', 0, bool)
 SIGNING_KEY = get_env_variable('SIGNING_KEY', '', str)
@@ -41,3 +43,11 @@ TRAIN = get_env_variable('TRUENAS_TRAIN', '', str)
 TRUENAS_BRANCH_OVERRIDE = get_env_variable('TRUENAS_BRANCH_OVERRIDE', '', str)
 TRY_BRANCH_OVERRIDE = get_env_variable('TRY_BRANCH_OVERRIDE', '', str)
 VERSION = get_env_variable('TRUENAS_VERSION', f'{_VERS}-{BUILD_TIME_OBJ.strftime("%Y%m%d-%H%M%S")}', str)
+
+
+# We will get branch overrides and identity file path overrides from here
+for k, v in environ.items():
+    if k.endswith('_OVERRIDE'):
+        BRANCH_OVERRIDES[k[:-(len('_OVERRIDE'))]] = v
+    elif k.endswith(IDENTITY_FILE_PATH_OVERRIDE_SUFFIX):
+        PACKAGE_IDENTITY_FILE_PATH_OVERRIDES[k[:-(len(IDENTITY_FILE_PATH_OVERRIDE_SUFFIX))]] = v
diff --git a/scale_build/packages/git.py b/scale_build/packages/git.py
index a57709b..ce88851 100644
--- a/scale_build/packages/git.py
+++ b/scale_build/packages/git.py
@@ -3,7 +3,10 @@ import os
 import shutil
 import contextlib
 
-from scale_build.config import BRANCH_OVERRIDES, TRUENAS_BRANCH_OVERRIDE, TRY_BRANCH_OVERRIDE
+from scale_build.config import (
+    BRANCH_OVERRIDES, IDENTITY_FILE_PATH_OVERRIDE_SUFFIX, PACKAGE_IDENTITY_FILE_PATH_OVERRIDES,
+    TRUENAS_BRANCH_OVERRIDE, TRY_BRANCH_OVERRIDE,
+)
 from scale_build.exceptions import CallError
 from scale_build.utils.git_utils import (
     branch_checked_out_locally, branch_exists_in_repository, create_branch,
@@ -133,7 +136,8 @@ class GitPackageMixin:
     @property
     def get_identity_file_path(self):
         # We need to use absolute path as git changes it's working directory with -C
-        return os.path.abspath(self.identity_file_path)
+        path = PACKAGE_IDENTITY_FILE_PATH_OVERRIDES.get(self.name) or self.identity_file_path
+        return os.path.abspath(path) if path else None
 
     @property
     def ssh_based_source(self):
@@ -143,17 +147,18 @@ class GitPackageMixin:
         if not self.ssh_based_source:
             return
 
-        if not self.identity_file_path:
+        if not self.get_identity_file_path:
             raise CallError(
-                'Identity file path ("identity_file_path" attribute) must be specified '
-                f'in order to checkout {self.name!r}'
+                f'Identity file path must be specified in order to checkout {self.name!r}. It can be done either as '
+                'specifying "identity_file_path" attribute in manifest or providing '
+                f'"{self.name}{IDENTITY_FILE_PATH_OVERRIDE_SUFFIX}" env variable specifying path of the file.'
             )
 
         if not os.path.exists(self.get_identity_file_path):
-            raise CallError(f'{self.identity_file_path!r} identity file path does not exist')
+            raise CallError(f'{self.get_identity_file_path!r} identity file path does not exist')
 
         if oct(os.stat(self.get_identity_file_path).st_mode & 0o777) != '0o600':
-            raise CallError(f'{self.identity_file_path!r} identity file path should have 0o600 permissions')
+            raise CallError(f'{self.get_identity_file_path!r} identity file path should have 0o600 permissions')
 
     @property
     def existing_branch(self):