Create script to link build artifacts

A new script has been created to link the build artifacts. The script is
called from the init script that sets up Rust, and from the script that
initializes a new worktree.

Author: jdno

ansible/roles/dev-desktop/files/scripts/help.sh

@@ -7,5 +7,5 @@ echo "new_worktree.sh      | creates a worktree (shallow copy of the main git ch
 echo "detach_merged_prs.sh | invokes \"git pull --fast-forward-only\" on all worktrees and detaches those that are equal to the \"master\" branch"
 echo ""
 echo "# Rarer commands:"
-echo "set_defaults.sh      | connects the global config.toml with all worktrees. Use this when your setup is broken" 
-
+echo "set_defaults.sh      | connects the global config.toml with all worktrees. Use this when your setup is broken"
+echo "setup_rust.sh        | Clone your fork of rust-lang/rust, compile, and then link it"

ansible/roles/dev-desktop/files/scripts/link_rust.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+# Enable strict mode for Bash
+# http://redsymbol.net/articles/unofficial-bash-strict-mode/
+set -euo pipefail
+IFS=$'\n\t'
+
+for D in rust*; do
+  if [ -d "${D}" ]; then
+    pushd "${D}"
+
+    ./x.py build
+
+    if [[ -d "$D/build/aarch64-unknown-linux-gnu/stage1" ]]; then
+      rustup toolchain link "$D"_stage1 "$D/build/aarch64-unknown-linux-gnu/stage1"
+    fi
+
+    if [[ -d "$D/build/aarch64-unknown-linux-gnu/stage2" ]]; then
+      rustup toolchain link "$D"_stage2 "$D/build/aarch64-unknown-linux-gnu/stage2"
+    fi
+
+    popd
+  fi
+done

ansible/roles/dev-desktop/files/scripts/new_worktree.sh

@@ -13,4 +13,4 @@ git checkout upstream/master
 ln -s ../config.toml
 popd
 
-setup_rustup.sh
+link_rust.sh

ansible/roles/dev-desktop/files/scripts/setup_rust.sh

@@ -26,11 +26,4 @@ git checkout upstream/master
 popd
 
 set_defaults.sh
-
-for D in rust*; do
-    if [ -d "${D}" ]; then
-        cd "${D}" && ./x.py build
-        rustup toolchain link "$D"_stage1 "$D/build/x86_64-unknown-linux-gnu/stage1"
-        rustup toolchain link "$D"_stage2 "$D/build/x86_64-unknown-linux-gnu/stage2"
-    fi
-done
+link_rust.sh