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pull: pass --allow-unrelated-histories to "git merge"

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The previous commit said:

    We could add the same option to "git pull" and have it passed
    through to underlying "git merge".  I do not have a fundamental
    opposition against such a feature, but this commit does not do
    so and instead leaves it as low-hanging fruit for others,
    because such a "two project merge" would be done after fetching
    the other project into some location in the working tree of an
    existing project and making sure how well they fit together, it
    is sufficient to allow a local merge without such an option
    pass-through from "git pull" to "git merge".

Prepare a patch to make it a reality, just in case it is needed.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2016-03-18 13:21:09 -07:00
parent de22496214
commit 09c2cb877a
4 changed files with 36 additions and 13 deletions
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6
builtin/pull.c
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@ -86,6 +86,7 @@ static char *opt_verify_signatures;
static struct argv_array opt_strategies = ARGV_ARRAY_INIT;
static struct argv_array opt_strategy_opts = ARGV_ARRAY_INIT;
static char *opt_gpg_sign;
static int opt_allow_unrelated_histories;
/* Options passed to git-fetch */
static char *opt_all;
@ -155,6 +156,9 @@ static struct option pull_options[] = {
OPT_PASSTHRU('S', "gpg-sign", &opt_gpg_sign, N_("key-id"),
N_("GPG sign commit"),
PARSE_OPT_OPTARG),
OPT_SET_INT(0, "allow-unrelated-histories",
&opt_allow_unrelated_histories,
N_("allow merging unrelated histories"), 1),
/* Options passed to git-fetch */
OPT_GROUP(N_("Options related to fetching")),
@ -603,6 +607,8 @@ static int run_merge(void)
argv_array_pushv(&args, opt_strategy_opts.argv);
if (opt_gpg_sign)
argv_array_push(&args, opt_gpg_sign);
if (opt_allow_unrelated_histories > 0)
argv_array_push(&args, "--allow-unrelated-histories");
argv_array_push(&args, "FETCH_HEAD");
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);