1 files changed, 19 insertions, 0 deletions
diff --git a/pkgs/development/tools/diesel-cli/update-cargo-lock.sh b/pkgs/development/tools/diesel-cli/update-cargo-lock.sh
new file mode 100755
index 000000000000..bd2e033e6871
--- /dev/null
+++ b/pkgs/development/tools/diesel-cli/update-cargo-lock.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# This updates cargo-lock.patch for the diesel version listed in default.nix.
+
+set -eu -o verbose
+
+here=$PWD
+version=$(cat default.nix | grep '^  version = "' | cut -d '"' -f 2)
+checkout=$(mktemp -d)
+git clone -b "v$version" --depth=1 https://github.com/diesel-rs/diesel "$checkout"
+cd "$checkout"
+
+rm -f rust-toolchain
+cargo generate-lockfile
+git add -f Cargo.lock
+git diff HEAD -- Cargo.lock > "$here"/cargo-lock.patch
+
+cd "$here"
+rm -rf "$checkout"