3 files changed, 9 insertions, 4 deletions
diff --git a/third_party/nix/src/nix/doctor.cc b/third_party/nix/src/nix/doctor.cc
index 44b4bd605d..79e9eb5394 100644
--- a/third_party/nix/src/nix/doctor.cc
+++ b/third_party/nix/src/nix/doctor.cc
@@ -1,3 +1,5 @@
+#include <absl/strings/match.h>
+
 #include "command.hh"
 #include "serve-protocol.hh"
 #include "shared.hh"
@@ -73,7 +75,7 @@ struct CmdDoctor : StoreCommand {
         Path userEnv = canonPath(profileDir, true);
 
         if (store->isStorePath(userEnv) &&
-            hasSuffix(userEnv, "user-environment")) {
+            absl::EndsWith(userEnv, "user-environment")) {
           while (profileDir.find("/profiles/") == std::string::npos &&
                  isLink(profileDir)) {
             profileDir = absPath(readLink(profileDir), dirOf(profileDir));
diff --git a/third_party/nix/src/nix/repl.cc b/third_party/nix/src/nix/repl.cc
index e2e4de6fec..f6261cfecc 100644
--- a/third_party/nix/src/nix/repl.cc
+++ b/third_party/nix/src/nix/repl.cc
@@ -6,6 +6,7 @@
 #include <utility>
 
 #include <absl/strings/ascii.h>
+#include <absl/strings/match.h>
 #include <glog/logging.h>
 
 #ifdef READLINE
@@ -356,7 +357,7 @@ StringSet NixRepl::completePrefix(const std::string& prefix) {
       auto dir = std::string(cur, 0, slash);
       auto prefix2 = std::string(cur, slash + 1);
       for (auto& entry : readDirectory(dir.empty() ? "/" : dir)) {
-        if (entry.name[0] != '.' && hasPrefix(entry.name, prefix2)) {
+        if (entry.name[0] != '.' && absl::StartsWith(entry.name, prefix2)) {
           completions.insert(prev + dir + "/" + entry.name);
         }
       }
diff --git a/third_party/nix/src/nix/upgrade-nix.cc b/third_party/nix/src/nix/upgrade-nix.cc
index 08c411f4b4..7098e0eb90 100644
--- a/third_party/nix/src/nix/upgrade-nix.cc
+++ b/third_party/nix/src/nix/upgrade-nix.cc
@@ -1,3 +1,4 @@
+#include <absl/strings/match.h>
 #include <glog/logging.h>
 
 #include "attr-path.hh"
@@ -114,7 +115,7 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand {
 
     LOG(INFO) << "found Nix in '" << where << "'";
 
-    if (hasPrefix(where, "/run/current-system")) {
+    if (absl::StartsWith(where, "/run/current-system")) {
       throw Error("Nix on NixOS must be upgraded via 'nixos-rebuild'");
     }
 
@@ -130,7 +131,8 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand {
 
     Path userEnv = canonPath(profileDir, true);
 
-    if (baseNameOf(where) != "bin" || !hasSuffix(userEnv, "user-environment")) {
+    if (baseNameOf(where) != "bin" ||
+        !absl::EndsWith(userEnv, "user-environment")) {
       throw Error("directory '%s' does not appear to be part of a Nix profile",
                   where);
     }