Alex HenrieSome users (myself included) would prefer to have this feature off by default because it can silently drop commits.
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> --- v3: Avoid calling test_expect_success from test_expect_success --- Documentation/config/rebase.txt | 3 ++ builtin/rebase.c | 20 +++++++----- t/t3431-rebase-fork-point.sh | 55 +++++++++++++++++++++++++++------ 3 files changed, 61 insertions(+), 17 deletions(-)
Show changes to 3 files +61 −17
Documentation/config/rebase.txt, builtin/rebase.c, t/t3431-rebase-fork-point.sh
diff --git a/Documentation/config/rebase.txt b/Documentation/config/rebase.txt index 7f7a07d22f..8531a4b3f7 100644 --- a/Documentation/config/rebase.txt +++ b/Documentation/config/rebase.txt @@ -68,3 +68,6 @@ rebase.rescheduleFailedExec:: Automatically reschedule `exec` commands that failed. This only makes sense in interactive mode (or when an `--exec` option was provided). This is the same as specifying the `--reschedule-failed-exec` option. + +rebase.forkPoint: + If set to false set `--no-fork-point` option by default. diff --git a/builtin/rebase.c b/builtin/rebase.c index 840dbd7eb7..de400f9a19 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -102,6 +102,7 @@ struct rebase_options { int reschedule_failed_exec; int use_legacy_rebase; int reapply_cherry_picks; + int fork_point; }; #define REBASE_OPTIONS_INIT { \ @@ -111,7 +112,8 @@ struct rebase_options { .default_backend = "merge", \ .flags = REBASE_NO_QUIET, \ .git_am_opts = STRVEC_INIT, \ - .git_format_patch_opt = STRBUF_INIT \ + .git_format_patch_opt = STRBUF_INIT, \ + .fork_point = -1, \ } static struct replay_opts get_replay_opts(const struct rebase_options *opts) @@ -1095,6 +1097,11 @@ static int rebase_config(const char *var, const char *value, void *data) return 0; } + if (!strcmp(var, "rebase.forkpoint")) { + opts->fork_point = git_config_bool(var, value) ? -1 : 0; + return 0; + } + if (!strcmp(var, "rebase.usebuiltin")) { opts->use_legacy_rebase = !git_config_bool(var, value); return 0; @@ -1306,7 +1313,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) const char *gpg_sign = NULL; struct string_list exec = STRING_LIST_INIT_NODUP; const char *rebase_merges = NULL; - int fork_point = -1; struct string_list strategy_options = STRING_LIST_INIT_NODUP; struct object_id squash_onto; char *squash_onto_name = NULL; @@ -1406,7 +1412,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) N_("mode"), N_("try to rebase merges instead of skipping them"), PARSE_OPT_OPTARG, NULL, (intptr_t)""}, - OPT_BOOL(0, "fork-point", &fork_point, + OPT_BOOL(0, "fork-point", &options.fork_point, N_("use 'merge-base --fork-point' to refine upstream")), OPT_STRING('s', "strategy", &options.strategy, N_("strategy"), N_("use the given merge strategy")), @@ -1494,7 +1500,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) die(_("cannot combine '--keep-base' with '--root'")); } - if (options.root && fork_point > 0) + if (options.root && options.fork_point > 0) die(_("cannot combine '--root' with '--fork-point'")); if (action != ACTION_NONE && !in_progress) @@ -1840,8 +1846,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) NULL); if (!options.upstream_name) error_on_missing_default_upstream(); - if (fork_point < 0) - fork_point = 1; + if (options.fork_point < 0) + options.fork_point = 1; } else { options.upstream_name = argv[0]; argc--; @@ -1945,7 +1951,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) } else BUG("unexpected number of arguments left to parse"); - if (fork_point > 0) { + if (options.fork_point > 0) { struct commit *head = lookup_commit_reference(the_repository, &options.orig_head); diff --git a/t/t3431-rebase-fork-point.sh b/t/t3431-rebase-fork-point.sh index 2dab893c75..4c98d99e7e 100755 --- a/t/t3431-rebase-fork-point.sh +++ b/t/t3431-rebase-fork-point.sh @@ -29,19 +29,23 @@ test_expect_success setup ' test_commit G ' +do_test_rebase () { + expected="$1" && + shift && + git checkout main && + git reset --hard E && + git checkout side && + git reset --hard G && + git rebase $* && + test_write_lines $expected >expect && + git log --pretty=%s >actual && + test_cmp expect actual +} + test_rebase () { expected="$1" && shift && - test_expect_success "git rebase $*" " - git checkout main && - git reset --hard E && - git checkout side && - git reset --hard G && - git rebase $* && - test_write_lines $expected >expect && - git log --pretty=%s >actual && - test_cmp expect actual - " + test_expect_success "git rebase $*" "do_test_rebase '$expected' $*" } test_rebase 'G F E D B A' @@ -77,4 +81,35 @@ test_expect_success 'git rebase --fork-point with ambigous refname' ' test_must_fail git rebase --fork-point --onto D one ' +test_expect_success '--fork-point and --root both given' ' + test_must_fail git rebase --fork-point --root 2>err && + test_i18ngrep "cannot combine" err +' + +test_expect_success 'rebase.forkPoint set to false' ' + test_config rebase.forkPoint false && + do_test_rebase "G F C E D B A" +' + +test_expect_success 'rebase.forkPoint set to false and then to true' ' + test_config_global rebase.forkPoint false && + test_config rebase.forkPoint true && + do_test_rebase "G F E D B A" +' + +test_expect_success 'rebase.forkPoint set to false and command line says --fork-point' ' + test_config rebase.forkPoint false && + do_test_rebase "G F E D B A" --fork-point +' + +test_expect_success 'rebase.forkPoint set to true and command line says --no-fork-point' ' + test_config rebase.forkPoint true && + do_test_rebase "G F C E D B A" --no-fork-point +' + +test_expect_success 'rebase.forkPoint set to true and --root given' ' + test_config rebase.forkPoint true && + git rebase --root +' + test_done
-- 2.30.1
