[PATCH v5 0/4] rev-parse: allow --flags to output rev-parse-like flags

[Jon Seymour <jon.seymour@xxxxxxxxx>]

This series allows git rev-parse --flags to output remaining flag-like arguments
even if such arguments are valid options to git rev-parse itself.

Previously:
  $ git rev-parse --flags -q -X --no-flags -- Y -Z
  -X
  $

Now:
  $ git rev-parse --flags -q -X --no-flags -- Y -Z
  -q -X --no-flags
  $

This series also changes the interpretation of --flags so that
specification of this option implies --no-revs.

Previously:
  $ git rev-parse --flags HEAD
  HEAD
  $

Now:
  $ git rev-parse --flags HEAD
  $

Reviewers attention is drawn to the following behaviour which, while
unchanged from current behaviour, differs from the behaviour specified
by the documentation. Specifically:

  $ git rev-parse -X --no-flags
  -X
  $ git rev-parse --no-flags -X
  $

In other words, a git rev-parse option only ever affects the 
interpretation of succeeding options, never preceding options.

Aevar's feedback on v2 and v4 of this series has been incorporated.

v5 fixes a breakage in support of --no-revs option introduced by v4
and updates the test to add tests that would have prevented that breakage
being introduced.

Jon Seymour (4):
  rev-parse: stop interpreting flags as options to rev-parse once
    --flags is specified
  rev-parse: add tests for git rev-parse --flags.
  rev-parse: update documentation of --flags and --no-flags options
  rev-parse: make --flags imply --no-revs for remaining arguments.

 Documentation/git-rev-parse.txt |   12 ++++
 builtin/rev-parse.c             |   14 ++++-
 t/t1510-rev-parse-flags.sh      |  127 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 152 insertions(+), 1 deletions(-)
 create mode 100755 t/t1510-rev-parse-flags.sh

-- 
1.7.3.4.g9eb38

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