docs: show one-off pipe usage without gitconfig changes - #2205
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Explain git diff | delta and --no-gitconfig for trying delta without setting core.pager. Closes dandavison#2159.
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Summary
git diff/git showinto delta without changing~/.gitconfig.--no-gitconfigfor built-in defaults only.Motivation
Closes #2159. Readers often assume they must set
core.pagerbefore they can try delta; writinggit diff | delta(and--no-gitconfigwhen existing[delta]settings should be ignored) is already supported.Verification
--no-gitconfigexists insrc/cli.rsandmanual/src/full---help-output.md("Do not read any settings from git config.")manual/src/usage.mdhad no open PR path overlapgit diff --checkcleanAgent-Owner:
sera· Platform: hermes · Claim:sera· Claim-TTL: 48h