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

diff --git a/builtin/pull.c b/builtin/pull.c
index 5145fc60a0377a7fb799555892909f979aca9076..797932d0b029ca8156822ec8f1b487b1199b648a 100644 (file)
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -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);