diff options
| -rw-r--r-- | Documentation/git-rebase.txt | 12 | ||||
| -rw-r--r-- | builtin/rebase.c | 19 | ||||
| -rwxr-xr-x | t/t3422-rebase-incompatible-options.sh | 1 | ||||
| -rwxr-xr-x | t/t3433-rebase-options-compatibility.sh | 65 |
4 files changed, 90 insertions, 7 deletions
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 5e4e927647..a70a5cab26 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -371,8 +371,16 @@ If either <upstream> or --root is given on the command line, then the default is `--no-fork-point`, otherwise the default is `--fork-point`. --ignore-whitespace:: + Behaves differently depending on which backend is selected. ++ +'am' backend: When applying a patch, ignore changes in whitespace in +context lines if necessary. ++ +'interactive' backend: Treat lines with only whitespace changes as +unchanged for the sake of a three-way merge. + --whitespace=<option>:: - These flag are passed to the 'git apply' program + This flag is passed to the 'git apply' program (see linkgit:git-apply[1]) that applies the patch. + See also INCOMPATIBLE OPTIONS below. @@ -520,7 +528,6 @@ The following options: * --committer-date-is-author-date * --ignore-date * --whitespace - * --ignore-whitespace * -C are incompatible with the following options: @@ -543,6 +550,7 @@ In addition, the following pairs of options are incompatible: * --preserve-merges and --interactive * --preserve-merges and --signoff * --preserve-merges and --rebase-merges + * --preserve-merges and --ignore-whitespace * --rebase-merges and --strategy * --rebase-merges and --strategy-option diff --git a/builtin/rebase.c b/builtin/rebase.c index 2748fa6f2e..fb2500c716 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -79,6 +79,7 @@ struct rebase_options { int allow_rerere_autoupdate; int keep_empty; int autosquash; + int ignore_whitespace; char *gpg_sign_opt; int autostash; char *cmd; @@ -99,6 +100,7 @@ struct rebase_options { static struct replay_opts get_replay_opts(const struct rebase_options *opts) { + struct strbuf strategy_buf = STRBUF_INIT; struct replay_opts replay = REPLAY_OPTS_INIT; replay.action = REPLAY_INTERACTIVE_REBASE; @@ -114,9 +116,15 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts) replay.reschedule_failed_exec = opts->reschedule_failed_exec; replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt); replay.strategy = opts->strategy; + if (opts->strategy_opts) - parse_strategy_opts(&replay, opts->strategy_opts); + strbuf_addstr(&strategy_buf, opts->strategy_opts); + if (opts->ignore_whitespace) + strbuf_addstr(&strategy_buf, " --ignore-space-change"); + if (strategy_buf.len) + parse_strategy_opts(&replay, strategy_buf.buf); + strbuf_release(&strategy_buf); return replay; } @@ -511,6 +519,8 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, NULL, options, builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0); + opts.strategy_opts = xstrdup_or_null(opts.strategy_opts); + if (!is_null_oid(&squash_onto)) opts.squash_onto = &squash_onto; @@ -964,6 +974,8 @@ static int run_am(struct rebase_options *opts) am.git_cmd = 1; argv_array_push(&am.args, "am"); + if (opts->ignore_whitespace) + argv_array_push(&am.args, "--ignore-whitespace"); if (opts->action && !strcmp("continue", opts->action)) { argv_array_push(&am.args, "--resolved"); argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg); @@ -1412,9 +1424,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT }, OPT_BOOL(0, "signoff", &options.signoff, N_("add a Signed-off-by: line to each commit")), - OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &options.git_am_opts, - NULL, N_("passed to 'git am'"), - PARSE_OPT_NOARG), OPT_PASSTHRU_ARGV(0, "committer-date-is-author-date", &options.git_am_opts, NULL, N_("passed to 'git am'"), PARSE_OPT_NOARG), @@ -1422,6 +1431,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) N_("passed to 'git am'"), PARSE_OPT_NOARG), OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"), N_("passed to 'git apply'"), 0), + OPT_BOOL(0, "ignore-whitespace", &options.ignore_whitespace, + N_("ignore changes in whitespace")), OPT_PASSTHRU_ARGV(0, "whitespace", &options.git_am_opts, N_("action"), N_("passed to 'git apply'"), 0), OPT_BIT('f', "force-rebase", &options.flags, diff --git a/t/t3422-rebase-incompatible-options.sh b/t/t3422-rebase-incompatible-options.sh index a5868ea152..4342f79eea 100755 --- a/t/t3422-rebase-incompatible-options.sh +++ b/t/t3422-rebase-incompatible-options.sh @@ -61,7 +61,6 @@ test_rebase_am_only () { } test_rebase_am_only --whitespace=fix -test_rebase_am_only --ignore-whitespace test_rebase_am_only --committer-date-is-author-date test_rebase_am_only -C4 diff --git a/t/t3433-rebase-options-compatibility.sh b/t/t3433-rebase-options-compatibility.sh new file mode 100755 index 0000000000..2e16e00a9d --- /dev/null +++ b/t/t3433-rebase-options-compatibility.sh @@ -0,0 +1,65 @@ +#!/bin/sh +# +# Copyright (c) 2019 Rohit Ashiwal +# + +test_description='tests to ensure compatibility between am and interactive backends' + +. ./test-lib.sh + +# This is a special case in which both am and interactive backends +# provide the same output. It was done intentionally because +# both the backends fall short of optimal behaviour. +test_expect_success 'setup' ' + git checkout -b topic && + q_to_tab >file <<-\EOF && + line 1 + Qline 2 + line 3 + EOF + git add file && + git commit -m "add file" && + cat >file <<-\EOF && + line 1 + new line 2 + line 3 + EOF + git commit -am "update file" && + git tag side && + + git checkout --orphan master && + sed -e "s/^|//" >file <<-\EOF && + |line 1 + | line 2 + |line 3 + EOF + git add file && + git commit -m "add file" && + git tag main +' + +test_expect_success '--ignore-whitespace works with am backend' ' + cat >expect <<-\EOF && + line 1 + new line 2 + line 3 + EOF + test_must_fail git rebase main side && + git rebase --abort && + git rebase --ignore-whitespace main side && + test_cmp expect file +' + +test_expect_success '--ignore-whitespace works with interactive backend' ' + cat >expect <<-\EOF && + line 1 + new line 2 + line 3 + EOF + test_must_fail git rebase --merge main side && + git rebase --abort && + git rebase --merge --ignore-whitespace main side && + test_cmp expect file +' + +test_done |