Named.hub.why: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/ez/named.bend as Named
Lines 247-261 of ezx@1.11.0.0/src/ez/named.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/ez/named.bend&start_line=247&end_line=261

import Base
import ezx@1.11.0.0/src/ledger/manifest.bend as M

# why a hub package cannot be recorded under a name, or nothing when it can:
# a `--rename` that is no key, a `--rename` of a name part the ledger records
# under another name, or a name the ledger gives another source
def hub.why(+ds: List<&2, M.Dep>, +name: String, +part: String, +rename: String) -> String:
  +old = hub.had(ds, part)
  Bool.pick(String, renamed.ok(rename),
    Bool.pick(String, moved.of(old, rename),
      "ez: " ++ part ++ " is already recorded as deps." ++ old ++
        "; remove it first to record it as " ++ rename,
      Bool.pick(String, hub.clash(ds, name, part),
        "ez: ez.toml already has a deps." ++ name ++ " from another source; " ++
          "remove it first, or add this one with --rename",
        "")),
    "ez: --rename " ++ rename ++ " is not a TOML bare key " ++
      "(letters, digits, `-` and `_`)")

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/named.bend&name=hub.clash
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/named.bend&name=hub.had
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/named.bend&name=moved.of
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/named.bend&name=renamed.ok
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ledger/manifest.bend&name=Dep