New T15 block in lib/gitflow-test.sh (+7 assertions, 83→90): fresh git
init sandbox with NO identity (GIT_CONFIG_GLOBAL=/dev/null
GIT_CONFIG_SYSTEM=/dev/null, git 2.53 supports the override) →
gitflow_init must return rc 1 AND leave zero mutation: no develop
branch, unborn HEAD, hooksPath unset, nothing staged, no .gitignore/
.githooks written. Closes J4-06 (WEAK): every test repo up to now set
an identity first, so this precheck never fired.
Mutation (lean scratch copy — only lib/gitflow.sh + lib/gitflow-test.sh
+ templates/gitignore/standard.gitignore, not the whole repo/.git, to
avoid repeating the /tmp exhaustion from the SPEC-01/02/04 full-repo
copies): deleted the identity precheck (gitflow.sh:178-179). RED: 3/7
T15 assertions fail — "nothing staged", "no .gitignore written", "no
.githooks written" — while rc stays 1 and HEAD stays unborn (git itself
still refuses the identity-less commit). This is the half-applied-init
failure mode named in the finding (BLK-012 class): same exit code, but
now via a partial mutation instead of a clean upfront refusal — exactly
why the spec pins zero-mutation checks beyond rc alone.
GREEN: real repo unmutated, 90/90 passed (T15 included).
Bastien Chanot
c8e91e8924