diff options
Diffstat (limited to 'builtin/merge.c')
-rw-r--r-- | builtin/merge.c | 78 |
1 files changed, 45 insertions, 33 deletions
diff --git a/builtin/merge.c b/builtin/merge.c index 3e2daa37c3..02a69c14e6 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -47,8 +47,8 @@ static const char * const builtin_merge_usage[] = { }; static int show_diffstat = 1, shortlog_len = -1, squash; -static int option_commit = 1, allow_fast_forward = 1; -static int fast_forward_only, option_edit = -1; +static int option_commit = 1; +static int option_edit = -1; static int allow_trivial = 1, have_message, verify_signatures; static int overwrite_ignore = 1; static struct strbuf merge_msg = STRBUF_INIT; @@ -76,6 +76,14 @@ static struct strategy all_strategy[] = { static const char *pull_twohead, *pull_octopus; +enum ff_type { + FF_NO, + FF_ALLOW, + FF_ONLY +}; + +static enum ff_type fast_forward = FF_ALLOW; + static int option_parse_message(const struct option *opt, const char *arg, int unset) { @@ -178,26 +186,33 @@ static int option_parse_n(const struct option *opt, return 0; } +static int option_parse_ff_only(const struct option *opt, + const char *arg, int unset) +{ + fast_forward = FF_ONLY; + return 0; +} + static struct option builtin_merge_options[] = { { OPTION_CALLBACK, 'n', NULL, NULL, NULL, N_("do not show a diffstat at the end of the merge"), PARSE_OPT_NOARG, option_parse_n }, - OPT_BOOLEAN(0, "stat", &show_diffstat, + OPT_BOOL(0, "stat", &show_diffstat, N_("show a diffstat at the end of the merge")), - OPT_BOOLEAN(0, "summary", &show_diffstat, N_("(synonym to --stat)")), + OPT_BOOL(0, "summary", &show_diffstat, N_("(synonym to --stat)")), { OPTION_INTEGER, 0, "log", &shortlog_len, N_("n"), N_("add (at most <n>) entries from shortlog to merge commit message"), PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN }, - OPT_BOOLEAN(0, "squash", &squash, + OPT_BOOL(0, "squash", &squash, N_("create a single commit instead of doing a merge")), - OPT_BOOLEAN(0, "commit", &option_commit, + OPT_BOOL(0, "commit", &option_commit, N_("perform a commit if the merge succeeds (default)")), OPT_BOOL('e', "edit", &option_edit, N_("edit message before committing")), - OPT_BOOLEAN(0, "ff", &allow_fast_forward, - N_("allow fast-forward (default)")), - OPT_BOOLEAN(0, "ff-only", &fast_forward_only, - N_("abort if fast-forward is not possible")), + OPT_SET_INT(0, "ff", &fast_forward, N_("allow fast-forward (default)"), FF_ALLOW), + { OPTION_CALLBACK, 0, "ff-only", NULL, NULL, + N_("abort if fast-forward is not possible"), + PARSE_OPT_NOARG | PARSE_OPT_NONEG, option_parse_ff_only }, OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), OPT_BOOL(0, "verify-signatures", &verify_signatures, N_("Verify that the named commit has a valid GPG signature")), @@ -209,12 +224,12 @@ static struct option builtin_merge_options[] = { N_("merge commit message (for a non-fast-forward merge)"), option_parse_message), OPT__VERBOSITY(&verbosity), - OPT_BOOLEAN(0, "abort", &abort_current_merge, + OPT_BOOL(0, "abort", &abort_current_merge, N_("abort the current in-progress merge")), OPT_SET_INT(0, "progress", &show_progress, N_("force progress reporting"), 1), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, - OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")), + OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")), OPT_END() }; @@ -581,10 +596,9 @@ static int git_merge_config(const char *k, const char *v, void *cb) else if (!strcmp(k, "merge.ff")) { int boolval = git_config_maybe_bool(k, v); if (0 <= boolval) { - allow_fast_forward = boolval; + fast_forward = boolval ? FF_ALLOW : FF_NO; } else if (v && !strcmp(v, "only")) { - allow_fast_forward = 1; - fast_forward_only = 1; + fast_forward = FF_ONLY; } /* do not barf on values from future versions of git */ return 0; } else if (!strcmp(k, "merge.defaulttoupstream")) { @@ -863,7 +877,7 @@ static int finish_automerge(struct commit *head, free_commit_list(common); parents = remoteheads; - if (!head_subsumed || !allow_fast_forward) + if (!head_subsumed || fast_forward == FF_NO) commit_list_insert(head, &parents); strbuf_addch(&merge_msg, '\n'); prepare_to_commit(remoteheads); @@ -889,7 +903,7 @@ static int suggest_conflicts(int renormalizing) die_errno(_("Could not open '%s' for writing"), filename); fprintf(fp, "\nConflicts:\n"); for (pos = 0; pos < active_nr; pos++) { - struct cache_entry *ce = active_cache[pos]; + const struct cache_entry *ce = active_cache[pos]; if (ce_stage(ce)) { fprintf(fp, "\t%s\n", ce->name); @@ -948,7 +962,7 @@ static int evaluate_result(void) } /* - * Pretend as if the user told us to merge with the tracking + * Pretend as if the user told us to merge with the remote-tracking * branch we have for the upstream of the current branch */ static int setup_with_upstream(const char ***argv) @@ -967,7 +981,7 @@ static int setup_with_upstream(const char ***argv) args = xcalloc(branch->merge_nr + 1, sizeof(char *)); for (i = 0; i < branch->merge_nr; i++) { if (!branch->merge[i]->dst) - die(_("No remote tracking branch for %s from %s"), + die(_("No remote-tracking branch for %s from %s"), branch->merge[i]->src, branch->remote_name); args[i] = branch->merge[i]->dst; } @@ -1008,7 +1022,7 @@ static void write_merge_state(struct commit_list *remoteheads) if (fd < 0) die_errno(_("Could not open '%s' for writing"), filename); strbuf_reset(&buf); - if (!allow_fast_forward) + if (fast_forward == FF_NO) strbuf_addf(&buf, "no-ff"); if (write_in_full(fd, buf.buf, buf.len) != buf.len) die_errno(_("Could not write to '%s'"), filename); @@ -1054,7 +1068,8 @@ static struct commit_list *collect_parents(struct commit *head_commit, for (i = 0; i < argc; i++) { struct commit *commit = get_merge_parent(argv[i]); if (!commit) - die(_("%s - not something we can merge"), argv[i]); + help_unknown_ref(argv[i], "merge", + "not something we can merge"); remotes = &commit_list_insert(commit, remotes)->next; } *remotes = NULL; @@ -1156,14 +1171,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) show_diffstat = 0; if (squash) { - if (!allow_fast_forward) + if (fast_forward == FF_NO) die(_("You cannot combine --squash with --no-ff.")); option_commit = 0; } - if (!allow_fast_forward && fast_forward_only) - die(_("You cannot combine --no-ff with --ff-only.")); - if (!abort_current_merge) { if (!argc) { if (default_to_upstream) @@ -1181,7 +1193,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * This could be traditional "merge <msg> HEAD <commit>..." and * the way we can tell it is to see if the second token is HEAD, * but some people might have misused the interface and used a - * committish that is the same as HEAD there instead. + * commit-ish that is the same as HEAD there instead. * Traditional format never would have "-m" so it is an * additional safety measure to check for it. */ @@ -1205,7 +1217,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) "empty head")); if (squash) die(_("Squash commit into empty head not supported yet")); - if (!allow_fast_forward) + if (fast_forward == FF_NO) die(_("Non-fast-forward commit does not make sense into " "an empty head")); remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv); @@ -1293,11 +1305,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) sha1_to_hex(commit->object.sha1)); setenv(buf.buf, merge_remote_util(commit)->name, 1); strbuf_reset(&buf); - if (!fast_forward_only && + if (fast_forward != FF_ONLY && merge_remote_util(commit) && merge_remote_util(commit)->obj && merge_remote_util(commit)->obj->type == OBJ_TAG) - allow_fast_forward = 0; + fast_forward = FF_NO; } if (option_edit < 0) @@ -1314,7 +1326,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) for (i = 0; i < use_strategies_nr; i++) { if (use_strategies[i]->attr & NO_FAST_FORWARD) - allow_fast_forward = 0; + fast_forward = FF_NO; if (use_strategies[i]->attr & NO_TRIVIAL) allow_trivial = 0; } @@ -1344,7 +1356,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) */ finish_up_to_date("Already up-to-date."); goto done; - } else if (allow_fast_forward && !remoteheads->next && + } else if (fast_forward != FF_NO && !remoteheads->next && !common->next && !hashcmp(common->item->object.sha1, head_commit->object.sha1)) { /* Again the most common case of merging one remote. */ @@ -1391,7 +1403,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * only one common. */ refresh_cache(REFRESH_QUIET); - if (allow_trivial && !fast_forward_only) { + if (allow_trivial && fast_forward != FF_ONLY) { /* See if it is really trivial. */ git_committer_info(IDENT_STRICT); printf(_("Trying really trivial in-index merge...\n")); @@ -1432,7 +1444,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } } - if (fast_forward_only) + if (fast_forward == FF_ONLY) die(_("Not possible to fast-forward, aborting.")); /* We are going to make a new commit. */ |