#18276 `pants --loop` with a missing target will loop forever Issue created by huonw Describe the bug If one runs

pants --loop ... :doesnt_exist

with any goal, pants will spew

ResolveError: The address //:doesnt_exist from CLI arguments does not exist

forever. Any repo will reproduce it, but for the sake of self-contained-ness:

cd $(mktemp -d)

cat > pants.toml <<EOF
[GLOBAL]
pants_version = "2.16.0.dev6"

backend_packages = [
  "pants.backend.shell",
]

[anonymous-telemetry]
enabled = false
EOF

touch BUILD

# BUG 1: (root) directory exists, but target doesn't
pants --loop run :doesnt_exist

# BUG 2: directory doesn't exist either
pants --loop run doesnt/exist:target

Output from bug 1:

...
12:25:40.02 [ERROR] 1 Exception encountered:

Engine traceback:
  in `export-codegen` goal
  in Find targets from input specs

ResolveError: The address //:doesnt_exist from CLI arguments does not exist.

The target name ':doesnt_exist' is not defined in the directory . Did you mean one of these target names?

  * :esc_failure
  * :esc_success

12:25:40.02 [ERROR] 1 Exception encountered:

Engine traceback:
  in `export-codegen` goal
  in Find targets from input specs

ResolveError: The address //:doesnt_exist from CLI arguments does not exist.

The target name ':doesnt_exist' is not defined in the directory . Did you mean one of these target names?

  * :esc_failure
  * :esc_success
...

Output from bug 2:

...
12:27:47.49 [ERROR] 1 Exception encountered:

Engine traceback:
  in `export-codegen` goal
  in Find targets from input specs

ResolveError: The file or directory 'doesnt/exist' does not exist on disk in the workspace, so the address 'doesnt/exist:target' from CLI arguments cannot be resolved.

12:27:47.50 [ERROR] 1 Exception encountered:

Engine traceback:
  in `export-codegen` goal
  in Find targets from input specs

ResolveError: The file or directory 'doesnt/exist' does not exist on disk in the workspace, so the address 'doesnt/exist:target' from CLI arguments cannot be resolved.
...

Pants version 2.14.0, 2.16.0.dev6 OS macOS Additional info A similar invalid spec bug: #18277. Other infinite

--loop

bugs: #16727, #18275. pantsbuild/pants

#18276 `pants --loop` with a missing target will loop forever Issue closed as completed by huonw pantsbuild/pants

#18276 `pants --loop` with a missing target will loop forever Issue closed as not planned by huonw pantsbuild/pants