[PATCH v21 0/2] status: show comparison with push remote tracking branch

["Harald Nordgren via GitGitGadget" <gitgitgadget@gmail.com>]

cc: Chris Torek chris.torek@gmail.com cc: Yee Cheng Chin
ychin.macvim@gmail.com cc: "brian m. carlson" sandals@crustytoothpaste.net
cc: Ben Knoble ben.knoble@gmail.com cc: "Kristoffer Haugsbakk"
kristofferhaugsbakk@fastmail.com cc: Phillip Wood phillip.wood123@gmail.com
cc: Nico Williams nico@cryptonector.com cc: Patrick Steinhardt ps@pks.im

Harald Nordgren (2):
  refactor format_branch_comparison in preparation
  status: show comparison with push remote tracking branch

 remote.c                 | 183 ++++++++++++++++++++-------
 t/t6040-tracking-info.sh | 262 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 403 insertions(+), 42 deletions(-)


base-commit: d529f3a197364881746f558e5652f0236131eb86
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-2138%2FHaraldNordgren%2Fahead_of_main_status-v21
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-2138/HaraldNordgren/ahead_of_main_status-v21
Pull-Request: https://github.com/git/git/pull/2138

Range-diff vs v20:

 1:  bb3e00863b ! 1:  ce1f1eebb5 refactor format_branch_comparison in preparation
     @@ remote.c: int format_tracking_info(struct branch *branch, struct strbuf *sb,
      +			 enum ahead_behind_flags abf,
      +			 int show_divergence_advice)
      +{
     -+	int ours, theirs, sti;
     ++	int ours, theirs, cmp_fetch;
      +	const char *full_base;
      +	char *base;
      +	int upstream_is_gone = 0;
      +
     -+	sti = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf);
     -+	if (sti < 0) {
     ++	cmp_fetch = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf);
     ++	if (cmp_fetch < 0) {
      +		if (!full_base)
      +			return 0;
      +		upstream_is_gone = 1;
     @@ remote.c: int format_tracking_info(struct branch *branch, struct strbuf *sb,
      +			strbuf_addstr(sb,
      +				_("  (use \"git branch --unset-upstream\" to fixup)\n"));
      +	} else {
     -+		format_branch_comparison(sb, !sti, ours, theirs, base, abf, show_divergence_advice);
     ++		format_branch_comparison(sb, !cmp_fetch, ours, theirs, base, abf, show_divergence_advice);
      +	}
      +
       	free(base);
 2:  050197eac3 ! 2:  51d8486fe0 status: show comparison with push remote tracking branch
     @@ remote.c: int format_tracking_info(struct branch *branch, struct strbuf *sb,
       	char *base;
       	int upstream_is_gone = 0;
      +	unsigned base_branch_modes = BRANCH_MODE_PULL | BRANCH_MODE_PUSH;
     -+	int push_ours, push_theirs, push_sti;
     ++	int push_ours, push_theirs, push_cmp_fetch;
      +	char *full_push = NULL;
      +	char *push = NULL;
      +	unsigned push_branch_modes = 0;
       
     - 	sti = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf);
     - 	if (sti < 0) {
     + 	cmp_fetch = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf);
     + 	if (cmp_fetch < 0) {
      @@ remote.c: int format_tracking_info(struct branch *branch, struct strbuf *sb,
       	base = refs_shorten_unambiguous_ref(get_main_ref_store(the_repository),
       					    full_base, 0);
       
      +	push = get_remote_push_branch(branch, &full_push);
      +	if (push && strcmp(base, push)) {
     -+		push_sti = stat_branch_pair(branch->refname, full_push,
     ++		push_cmp_fetch = stat_branch_pair(branch->refname, full_push,
      +					   &push_ours, &push_theirs, abf);
     -+		if (push_sti >= 0) {
     ++		if (push_cmp_fetch >= 0) {
      +			base_branch_modes = BRANCH_MODE_PULL;
      +			push_branch_modes = BRANCH_MODE_PUSH;
      +		}
     @@ remote.c: int format_tracking_info(struct branch *branch, struct strbuf *sb,
       			strbuf_addstr(sb,
       				_("  (use \"git branch --unset-upstream\" to fixup)\n"));
       	} else {
     --		format_branch_comparison(sb, !sti, ours, theirs, base, abf, show_divergence_advice);
     -+		format_branch_comparison(sb, !sti, ours, theirs, base, abf,
     +-		format_branch_comparison(sb, !cmp_fetch, ours, theirs, base, abf, show_divergence_advice);
     ++		format_branch_comparison(sb, !cmp_fetch, ours, theirs, base, abf,
      +					 base_branch_modes, show_divergence_advice);
      +	}
      +
      +	if (push_branch_modes & BRANCH_MODE_PUSH) {
      +		strbuf_addstr(sb, "\n");
     -+		format_branch_comparison(sb, !push_sti, push_ours, push_theirs, push, abf,
     ++		format_branch_comparison(sb, !push_cmp_fetch, push_ours, push_theirs, push, abf,
      +					 push_branch_modes, show_divergence_advice);
       	}
       

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