scie-pants unhelpful error on ambiguous Pants version tag #155
Description
For example, setup pants.toml with version 2.16.0
$ pants
Failed to fetch https://binaries.pantsbuild.org/tags/pantsbuild.pants/release_2.16.0: [22] HTTP response code said error (The requested URL returned error: 404)
Install failed: list indices must be integers or slices, not str
More information can be found in the log at: /Users/navneethjayendran/Library/Caches/nce/142382d6e3ac0960e7d4f81b9df9de9559b7ac698db13d20cbd0e4aa57f68c1d/bindings/logs/configure.log
Error: Isolates your Pants from the elements.
Please select from the following boot commands:
<default>: Detects the current Pants installation and launches it.
bootstrap-tools: Introspection tools for the Pants bootstrap process.
pants: Runs a hermetic Pants installation.
pants-debug: Runs a hermetic Pants installation with a debug server for debugging Pants code.
update: Update scie-pants.
You can select a boot command by passing it as the 1st argument or else by setting the SCIE_BOOT environment variable.
ERROR: Failed to establish atomic directory /Users/navneethjayendran/Library/Caches/nce/142382d6e3ac0960e7d4f81b9df9de9559b7ac698db13d20cbd0e4aa57f68c1d/locks/configure-0cd3605ca31ca83f339db1732ae6d5e06250818e543746695e31695fcc251cad. Population of work directory failed: Boot binding command failed: exit status: 1
This seems to happen because the Github API, instead of 404'ing, will return a list of potential matches when the tag is a prefix of existing tags but doesn't exactly match any particular tag. It's a slightly confusing error that could be clarified.