[PATCH v6 0/3] fetch: skip unnecessary tasks when using --negotiate-only

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Changes since v5:
* revert v4
* drop the unnecessary block that Junio actually meant

Changes since v4:
* drop an unnecessary block (thanks Junio!)

Changes since v3:
* change commit message subject: builtin/fetch -> fetch --negotiate-only
* move the 'goto cleanup' to _after_ the submodule updating task because
  we may want to update submodules even if objects were not fetched (as
  pointed out by Junio, thanks!)
* disable submodule recursion in the patch that checks for
  --negotiate-only + --recurse-submodules, so we never silently ignore
  --recurse-submodules.
* incorporate some of Jonathan's suggestions (thanks!)

Changes since v2:
* added a prepatory patch that introduces a "goto cleanup"
* drop an unnecessary line move (as suggested by Junio)
* check for user-given --recurse-submodules and die() (as suggested by
  Jonathan and Junio)
* update --negotiate-only's documentation

Changes since v1:
* added more context to commit message
* added a NEEDSWORK comment

Glen Choo (3):
  fetch: use goto cleanup in cmd_fetch()
  fetch: skip tasks related to fetching objects
  fetch --negotiate-only: do not update submodules

 Documentation/fetch-options.txt |  1 +
 builtin/fetch.c                 | 40 ++++++++++++++++++++++++++++++---
 t/t5516-fetch-push.sh           | 12 ++++++++++
 t/t5702-protocol-v2.sh          | 12 ++++++++++
 4 files changed, 62 insertions(+), 3 deletions(-)

Range-diff against v5:
1:  ffa1a24109 = 1:  ffa1a24109 fetch: use goto cleanup in cmd_fetch()
2:  b0c73e8135 = 2:  b0c73e8135 fetch: skip tasks related to fetching objects
3:  f929297961 ! 3:  239101e752 fetch --negotiate-only: do not update submodules
    @@ builtin/fetch.c: int cmd_fetch(int argc, const char **argv, const char *prefix)
     +	if (recurse_submodules_cli != RECURSE_SUBMODULES_DEFAULT)
     +		recurse_submodules = recurse_submodules_cli;
     +
    -+	if (negotiate_only)
    ++	if (negotiate_only) {
     +		switch (recurse_submodules_cli) {
     +		case RECURSE_SUBMODULES_OFF:
    -+		case RECURSE_SUBMODULES_DEFAULT: {
    ++		case RECURSE_SUBMODULES_DEFAULT:
     +			/*
     +			 * --negotiate-only should never recurse into
     +			 * submodules. Skip it by setting recurse_submodules to
    @@ builtin/fetch.c: int cmd_fetch(int argc, const char **argv, const char *prefix)
     +			 */
     +			recurse_submodules = RECURSE_SUBMODULES_OFF;
     +			break;
    -+		}
    ++
     +		default:
     +			die(_("--negotiate-only and --recurse-submodules cannot be used together"));
     +		}
    -+
    ++	}
     +
      	if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
      		int *sfjc = submodule_fetch_jobs_config == -1

base-commit: 90d242d36e248acfae0033274b524bfa55a947fd
-- 
2.33.GIT




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