From 3786ac21ed0d37906256e26f352871679b1d9bf6 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 10 Oct 2020 13:19:22 +0100
Subject: [PATCH] For revert: never symlink Cargo.toml

The statement in the comment was not true.  The wrong
CARGO_MANIFEST_DIR was coming from our setenvs() function.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 nailing-cargo | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/nailing-cargo b/nailing-cargo
index 1489f7f..e1118fe 100755
--- a/nailing-cargo
+++ b/nailing-cargo
@@ -624,7 +624,7 @@ END_BOTH
     if ($linkfarm_depth eq 'shallow') {
       $pre.= <<'END_SHALLOW';
 	clean () { find -lname "$src/*" -print0 | xargs -0r rm --; }; clean;
-	find "$src" -maxdepth 1 \! -name Cargo.lock -print0 |
+	find "$src" -maxdepth 1 \! -name Cargo.lock Cargo.toml -print0 |
 	xargs -0r sh -ec 'for f in "$@"; do
 		rm -rf "${f##*/}";
 		ln -sf -- "$f" .;
@@ -657,11 +657,15 @@ END_FILES_FULL
 	' "$src";
 END_DEEP
     }
+    # If Cargo.toml is a symlink, cargo dereferences it to
+    # find a wrong CARGO_MANIFEST_DIR.
     $pre .= <<'ENDLK' if $do_cargo_lock;
-	if test -e Cargo.lock; then
-	  rm -f Cargo.lock;
-          cp -- "$src"/Cargo.lock .;
-        fi;
+	for f in Cargo.toml Cargo.lock; do
+	  if test -e $f; then
+	    rm -f $f;
+            cp -- "$src"/$f .;
+          fi;
+        done;
 ENDLK
     $post = <<'ENDCLEAN' if $oot_clean && !$just_linkfarm;
         clean;
-- 
2.30.2