Do not watch .netrc in read_netrc

MODULE.bazel.lock

@@ -2884,7 +2884,7 @@
         "bzlTransitiveDigest": "tunTSmgwd2uvTzkCLtdbuCp0AI+WR+ftiPNqZ0rmcZk=",
         "recordedFileInputs": {
           "@@//MODULE.bazel": "41e97ab73eab5fafef6cd8f9b4696823e31384219a6356a052cab52245e1193c",
-          "@@//src/test/tools/bzlmod/MODULE.bazel.lock": "e6b22f35c7bce99c0677f24a19c7aee829f97e7b1b5cc31e600c7cc9b408a292"
+          "@@//src/test/tools/bzlmod/MODULE.bazel.lock": "24f151a4b72d795d8290fe7b2f1a0a6d0a20110d644bc9d804ea881baadb8c52"
         },
         "recordedDirentsInputs": {},
         "envVariables": {},
@@ -3436,7 +3436,7 @@
     },
     "//tools/android:android_extensions.bzl%android_sdk_proxy_extensions": {
       "general": {
-        "bzlTransitiveDigest": "VNI4MfItl2Hd4Mu0mePTyUs1yt86logmR5+f2bQ00g8=",
+        "bzlTransitiveDigest": "JQoCqdz3xQGJ+/ILJLx/pnLPCjAYRvq3Tmj3wkpmflI=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
         "envVariables": {},
@@ -3452,7 +3452,7 @@
     },
     "//tools/android:android_extensions.bzl%remote_android_tools_extensions": {
       "general": {
-        "bzlTransitiveDigest": "VNI4MfItl2Hd4Mu0mePTyUs1yt86logmR5+f2bQ00g8=",
+        "bzlTransitiveDigest": "JQoCqdz3xQGJ+/ILJLx/pnLPCjAYRvq3Tmj3wkpmflI=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
         "envVariables": {},
@@ -3479,7 +3479,7 @@
     },
     "//tools/test:extensions.bzl%remote_coverage_tools_extension": {
       "general": {
-        "bzlTransitiveDigest": "3sNMqgli78Zf+NkeJ1Bdz8O35yzta+wO/Iw/qiWY+pE=",
+        "bzlTransitiveDigest": "kcwMubtgxBru6ttbkwo5IjUmLeSz0AODaQoox5L4zVU=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
         "envVariables": {},

src/test/shell/bazel/starlark_repository_test.sh

@@ -1963,6 +1963,7 @@ EOF
   cat > def.bzl <<'EOF'
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "read_netrc", "use_netrc")
 def _impl(ctx):
+  print("authrepo is being evaluated")
   rc = read_netrc(ctx, ctx.attr.path)
   auth = use_netrc(rc, ctx.attr.urls, {"oauthlife.com": "Bearer <password>",})
   ctx.file("data.bzl", "auth = %s" % (auth,))
@@ -2044,9 +2045,16 @@ genrule(
   cmd = "echo %s > $@" % (check_equal_expected(),)
 )
 EOF
-  bazel build //:check_expected
+  bazel build //:check_expected &> $TEST_log || fail "Expected success"
   grep 'OK' `bazel info bazel-bin`/check_expected.txt \
        || fail "Authentication merged incorrectly"
+  expect_log "authrepo is being evaluated"
+
+  echo "modified" > .netrc
+  bazel build //:check_expected &> $TEST_log || fail "Expected success"
+  grep 'OK' `bazel info bazel-bin`/check_expected.txt \
+       || fail "Authentication information should not have been reevaluated"
+  expect_not_log "authrepo is being evaluated"
 }
 
 function test_disallow_unverified_http() {

src/test/tools/bzlmod/MODULE.bazel.lock

@@ -1105,7 +1105,7 @@
     },
     "@@bazel_tools//tools/android:android_extensions.bzl%android_sdk_proxy_extensions": {
       "general": {
-        "bzlTransitiveDigest": "VNI4MfItl2Hd4Mu0mePTyUs1yt86logmR5+f2bQ00g8=",
+        "bzlTransitiveDigest": "JQoCqdz3xQGJ+/ILJLx/pnLPCjAYRvq3Tmj3wkpmflI=",
         "usagesDigest": "x7fdOxuT/Cd/ZXZa8OyoLFxU34+IE1KtcbASixO3XJM=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -1122,7 +1122,7 @@
     },
     "@@bazel_tools//tools/android:android_extensions.bzl%remote_android_tools_extensions": {
       "general": {
-        "bzlTransitiveDigest": "VNI4MfItl2Hd4Mu0mePTyUs1yt86logmR5+f2bQ00g8=",
+        "bzlTransitiveDigest": "JQoCqdz3xQGJ+/ILJLx/pnLPCjAYRvq3Tmj3wkpmflI=",
         "usagesDigest": "LPw+9iUcnRY1k89ZEMEZ/AtOYIK2LgSeKnaiYVCDaag=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -1215,7 +1215,7 @@
     },
     "@@bazel_tools//tools/test:extensions.bzl%remote_coverage_tools_extension": {
       "general": {
-        "bzlTransitiveDigest": "3sNMqgli78Zf+NkeJ1Bdz8O35yzta+wO/Iw/qiWY+pE=",
+        "bzlTransitiveDigest": "kcwMubtgxBru6ttbkwo5IjUmLeSz0AODaQoox5L4zVU=",
         "usagesDigest": "O3U7dkKl24l4dKwsK8Y1uf1SAa/eEwLfw4BRsHGugwc=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -1280,7 +1280,7 @@
     },
     "@@rules_java~//java:extensions.bzl%toolchains": {
       "general": {
-        "bzlTransitiveDigest": "LgqWLGQ6rTbpJ/JJA+kR6TERkCxUUPRWyIxst0RKRLk=",
+        "bzlTransitiveDigest": "vVD15tu/rctjxFcmEY/kGV8BU29Wa5EgvggNQpJVYrE=",
         "usagesDigest": "1/Dwy6r0Nf/YUE94OFi5Yy0Mo+TrPxA3U8hBaEzYH5s=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -1846,7 +1846,7 @@
     },
     "@@rules_jvm_external~//:extensions.bzl%maven": {
       "general": {
-        "bzlTransitiveDigest": "8KUKrTHssAwnL6tCSKx4a3dfMZdLxcAvVujtpYra5C4=",
+        "bzlTransitiveDigest": "B3lrNG2za+3c/y7Bldx38hxzAkTa6uYaesdEicYzZes=",
         "usagesDigest": "L+U25+BzBiliO0i3XrvqC5up0f210dPakCjqg5MBrp4=",
         "recordedFileInputs": {
           "@@rules_jvm_external~//rules_jvm_external_deps_install.json": "10442a5ae27d9ff4c2003e5ab71643bf0d8b48dcf968b4173fa274c3232a8c06"
@@ -2870,7 +2870,7 @@
     },
     "@@rules_jvm_external~//:non-module-deps.bzl%non_module_deps": {
       "general": {
-        "bzlTransitiveDigest": "WX7j7+l47KFuIt7b25LRYxd1D0Ab6UO+qOi8wzlD4Ro=",
+        "bzlTransitiveDigest": "4OsuF/ozYz/n2U+6GGxM/3IzzX+qvQtjlY1fXeg2jE0=",
         "usagesDigest": "HWGzpnxaDzDwBkFxYvT/plvwcfNrPZGTg9ZYibwxNGw=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -2898,7 +2898,7 @@
     },
     "@@rules_python~//python/extensions:python.bzl%python": {
       "general": {
-        "bzlTransitiveDigest": "5V1HDNZURraXQPyvUA10ca2nPQWBMQ2b+x0QsZnKoPs=",
+        "bzlTransitiveDigest": "f/rffFOqp0Y5r6QNmElWpkVrIk/9b0pfhd/j+JtG0YM=",
         "usagesDigest": "2dLy/xmv7+TD8WRYYIxtxZMeS4nrJZGIDSMkYRE0elw=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},
@@ -2928,7 +2928,7 @@
     },
     "@@rules_python~//python/extensions/private:internal_deps.bzl%internal_deps": {
       "general": {
-        "bzlTransitiveDigest": "YwTzsQ2KJ7JxfzweeE6c08mDlx3CK2fbTlbw6+Pe22w=",
+        "bzlTransitiveDigest": "2QkuIItPQyACdxi2VVWUF2DrUHZ4M8To5Q5TMr6R+CU=",
         "usagesDigest": "MZDuELgGnEk5m0vRt+s02bhPv0B21Oi1jm1KuRqZ5FY=",
         "recordedFileInputs": {},
         "recordedDirentsInputs": {},

tools/build_defs/repo/utils.bzl

@@ -251,7 +251,10 @@ def read_netrc(ctx, filename):
       dict mapping a machine names to a dict with the information provided
       about them
     """
-    contents = ctx.read(filename)
+
+    # Do not cause the repo rule to rerun due to changes to auth info when it is
+    # successful. Failures are not cached.
+    contents = ctx.read(filename, watch = "no")
     return parse_netrc(contents, filename)
 
 def parse_netrc(contents, filename = None):