Change Installer.store_directory to be an absolute path

.github/workflows/ci.yml

@@ -146,7 +146,7 @@ jobs:
 
  "$SYNC_DIR/tool" --config="tests/$SYNC_DIR.toml" sync > /dev/null 2> out
  cat out
- if ! grep -q '1 tools!' out; then echo "error on: tool"; false; fi
+ if ! grep -q 'tools!' out; then echo "error on: tool"; false; fi
 
  - if: matrix.os != 'windows-latest'
  name: "Integration test: [unix] [sync-full]"

src/sync/install.rs

@@ -117,13 +117,7 @@ fn copy_file(
  install_path.push(store_directory);
  install_path.push(exe_name);
 
- // DANGER: This check does not really mean two paths resolve to the
- // same file. For example, the exe path /a/b/c.exe is not the same
- // as install path b/c.exe if the current working directory is in /d
- // instead of /a. Perhaps expand store directory to absolute or use
- // `BurntSushi/same-file`?
- eprintln!("KK-{}", &install_path.display());
- if self_path.ends_with(&install_path) {
+ if self_path == &install_path {
  // May have issues with a symbolic links. The assumption is that
  // the store directory is in the PATH and the executable itself
  // where this issue should not apply but may be an edge case.