Fix release process

Cargo.toml

@@ -29,8 +29,6 @@ split-debuginfo = "packed"
 
 # See: https://github.com/crate-ci/cargo-release/blob/master/docs/reference.md
 [package.metadata.release]
-# After releasing a new version, don't bump the version to a pre-release.
-dev-version = false
 # Don't tag commits
 tag = false
 # Don't do `git push`

nix/packages/get-crate-version.nix

@@ -1,30 +1,16 @@
 {
+  lib,
+  nix-your-shell,
   writeShellApplication,
-  cargo,
-  jq,
 }:
 writeShellApplication {
   name = "get-crate-version";
 
-  runtimeInputs = [
-    cargo
-    jq
-  ];
-
   text = ''
-    # Gets the version of `nix-your-shell` in `Cargo.toml` using
-    # `cargo metadata` and `jq`.
-
-    VERSION=$(cargo metadata --format-version 1 \
-        | jq -r '.packages[] | select(.name == "nix-your-shell") | .version')
+    VERSION=${lib.escapeShellArg nix-your-shell.version}
 
     echo "Version in \`Cargo.toml\` is $VERSION" 1>&2
 
-    if [[ -z "$VERSION" ]]; then
-        echo "I wasn't able to determine the version in \`Cargo.toml\` with \`cargo metadata\`"
-        exit 1
-    fi
-
     echo "$VERSION"
   '';
 }

nix/packages/make-release-commit.nix

@@ -2,15 +2,15 @@
   writeShellApplication,
   cargo,
   cargo-release,
-  gitAndTools,
+  git,
 }:
 writeShellApplication {
   name = "make-release-commit";
 
   runtimeInputs = [
     cargo
     cargo-release
-    gitAndTools.git
+    git
   ];
 
   text = ''