Hi, On Fri, Sep 15, 2023 at 8:47 PM Izzy via GitGitGadget <gitgitgadget@xxxxxxxxx> wrote: > > From: Tang Yuyi <winglovet@xxxxxxxxx> > > Add merge strategy option to produce more customizable merge result such > as automatically resolving conflicts. > > Signed-off-by: Tang Yuyi <winglovet@xxxxxxxxx> > --- > merge-tree: add -X strategy option > > Change-Id: I16be592262d13cebcff8726eb043f7ecdb313b76 > > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1565%2FWingT%2Fmerge_tree_allow_strategy_option-v4 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1565/WingT/merge_tree_allow_strategy_option-v4 > Pull-Request: https://github.com/gitgitgadget/git/pull/1565 > > Range-diff vs v3: > > 1: d64a774fa7c ! 1: d2d8fcc2e9b merge-tree: add -X strategy option > @@ Commit message > merge-tree: add -X strategy option > > Add merge strategy option to produce more customizable merge result such > - as automatically solve conflicts. > + as automatically resolving conflicts. Thanks for fixing this part of what I pointed out in the review. > Signed-off-by: Tang Yuyi <winglovet@xxxxxxxxx> > > > > builtin/merge-tree.c | 24 ++++++++++++++++++++++++ > t/t4301-merge-tree-write-tree.sh | 23 +++++++++++++++++++++++ > 2 files changed, 47 insertions(+) > > diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c > index 0de42aecf4b..2ec6ec0d39a 100644 > --- a/builtin/merge-tree.c > +++ b/builtin/merge-tree.c > @@ -19,6 +19,8 @@ > #include "tree.h" > #include "config.h" > > +static const char **xopts; > +static size_t xopts_nr, xopts_alloc; > static int line_termination = '\n'; > > struct merge_list { > @@ -414,6 +416,7 @@ struct merge_tree_options { > int show_messages; > int name_only; > int use_stdin; > + struct merge_options merge_options; > }; > > static int real_merge(struct merge_tree_options *o, > @@ -439,6 +442,8 @@ static int real_merge(struct merge_tree_options *o, > > init_merge_options(&opt, the_repository); > > + opt.recursive_variant = o->merge_options.recursive_variant; > + > opt.show_rename_progress = 0; > > opt.branch1 = branch1; > @@ -510,6 +515,17 @@ static int real_merge(struct merge_tree_options *o, > return !result.clean; /* result.clean < 0 handled above */ > } > > +static int option_parse_x(const struct option *opt, > + const char *arg, int unset) > +{ > + if (unset) > + return 0; > + > + ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc); > + xopts[xopts_nr++] = xstrdup(arg); > + return 0; > +} > + > int cmd_merge_tree(int argc, const char **argv, const char *prefix) > { > struct merge_tree_options o = { .show_messages = -1 }; > @@ -548,6 +564,10 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix) > &merge_base, > N_("commit"), > N_("specify a merge-base for the merge")), > + OPT_CALLBACK('X', "strategy-option", &xopts, > + N_("option=value"), > + N_("option for selected merge strategy"), > + option_parse_x), > OPT_END() > }; > > @@ -556,6 +576,10 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix) > argc = parse_options(argc, argv, prefix, mt_options, > merge_tree_usage, PARSE_OPT_STOP_AT_NON_OPTION); > > + for (int x = 0; x < xopts_nr; x++) > + if (parse_merge_opt(&o.merge_options, xopts[x])) > + die(_("unknown strategy option: -X%s"), xopts[x]); > + > /* Handle --stdin */ > if (o.use_stdin) { > struct strbuf buf = STRBUF_INIT; > diff --git a/t/t4301-merge-tree-write-tree.sh b/t/t4301-merge-tree-write-tree.sh > index 250f721795b..4125bb101ec 100755 > --- a/t/t4301-merge-tree-write-tree.sh > +++ b/t/t4301-merge-tree-write-tree.sh > @@ -22,6 +22,7 @@ test_expect_success setup ' > git branch side1 && > git branch side2 && > git branch side3 && > + git branch side4 && > > git checkout side1 && > test_write_lines 1 2 3 4 5 6 >numbers && > @@ -46,6 +47,13 @@ test_expect_success setup ' > test_tick && > git commit -m rename-numbers && > > + git checkout side4 && > + test_write_lines 0 1 2 3 4 5 >numbers && > + echo yo >greeting && > + git add numbers greeting && > + test_tick && > + git commit -m other-content-modifications && > + > git switch --orphan unrelated && > >something-else && > git add something-else && > @@ -97,6 +105,21 @@ test_expect_success 'Content merge and a few conflicts' ' > test_cmp expect actual > ' > > +test_expect_success 'Auto resolve conflicts by "ours" strategy option' ' > + git checkout side1^0 && > + > + # make sure merge conflict exists > + test_must_fail git merge side4 && > + git merge --abort && > + > + git merge -X ours side4 && > + git rev-parse HEAD^{tree} > expected && > + > + git merge-tree -X ours side1 side4 > actual && Please fix the problems in these last two lines as pointed out in both of my last two reviews.
