Thank you for your advice! I've uploaded new patch. On Sat, Sep 16, 2023 at 4:37 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-v5 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1565/WingT/merge_tree_allow_strategy_option-v5 > Pull-Request: https://github.com/gitgitgadget/git/pull/1565 > > Range-diff vs v4: > > 1: d2d8fcc2e9b ! 1: 28d4282e0d8 merge-tree: add -X strategy option > @@ Commit message > > ## builtin/merge-tree.c ## > @@ > + #include "quote.h" > #include "tree.h" > #include "config.h" > ++#include "strvec.h" > > -+static const char **xopts; > -+static size_t xopts_nr, xopts_alloc; > static int line_termination = '\n'; > > - struct merge_list { > @@ builtin/merge-tree.c: struct merge_tree_options { > int show_messages; > int name_only; > @@ builtin/merge-tree.c: static int real_merge(struct merge_tree_options *o, > > opt.branch1 = branch1; > @@ builtin/merge-tree.c: 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 }; > ++ struct strvec xopts = STRVEC_INIT; > + int expected_remaining_argc; > + int original_argc; > + const char *merge_base = NULL; > @@ builtin/merge-tree.c: 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_STRVEC('X', "strategy-option", &xopts, N_("option=value"), > ++ N_("option for selected merge strategy")), > OPT_END() > }; > > @@ builtin/merge-tree.c: int cmd_merge_tree(int argc, const char **argv, const char > 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]); > ++ for (int x = 0; x < xopts.nr; x++) > ++ if (parse_merge_opt(&o.merge_options, xopts.v[x])) > ++ die(_("unknown strategy option: -X%s"), xopts.v[x]); > + > /* Handle --stdin */ > if (o.use_stdin) { > @@ t/t4301-merge-tree-write-tree.sh: test_expect_success 'Content merge and a few c > + git merge --abort && > + > + git merge -X ours side4 && > -+ git rev-parse HEAD^{tree} > expected && > ++ git rev-parse HEAD^{tree} >expected && > + > -+ git merge-tree -X ours side1 side4 > actual && > ++ git merge-tree -X ours side1 side4 >actual && > + > + test_cmp expected actual > +' > > > builtin/merge-tree.c | 11 +++++++++++ > t/t4301-merge-tree-write-tree.sh | 23 +++++++++++++++++++++++ > 2 files changed, 34 insertions(+) > > diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c > index 0de42aecf4b..97d0fe6c952 100644 > --- a/builtin/merge-tree.c > +++ b/builtin/merge-tree.c > @@ -18,6 +18,7 @@ > #include "quote.h" > #include "tree.h" > #include "config.h" > +#include "strvec.h" > > static int line_termination = '\n'; > > @@ -414,6 +415,7 @@ 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 +441,8 @@ 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; > @@ -513,6 +517,7 @@ static int real_merge(struct merge_tree_options *o, > int cmd_merge_tree(int argc, const char **argv, const char *prefix) > { > struct merge_tree_options o = { .show_messages = -1 }; > + struct strvec xopts = STRVEC_INIT; > int expected_remaining_argc; > int original_argc; > const char *merge_base = NULL; > @@ -548,6 +553,8 @@ 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_STRVEC('X', "strategy-option", &xopts, N_("option=value"), > + N_("option for selected merge strategy")), > OPT_END() > }; > > @@ -556,6 +563,10 @@ 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.v[x])) > + die(_("unknown strategy option: -X%s"), xopts.v[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..b2c8a43fce3 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 && > + > + test_cmp expected actual > +' > + > test_expect_success 'Barf on misspelled option, with exit code other than 0 or 1' ' > # Mis-spell with single "s" instead of double "s" > test_expect_code 129 git merge-tree --write-tree --mesages FOOBAR side1 side2 2>expect && > > base-commit: ac83bc5054c2ac489166072334b4147ce6d0fccb > -- > gitgitgadget
