diff options
Diffstat (limited to 'builtin-merge.c')
| -rw-r--r-- | builtin-merge.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/builtin-merge.c b/builtin-merge.c index a595b8b47b..57eedd447d 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -43,6 +43,7 @@ static const char * const builtin_merge_usage[] = { static int show_diffstat = 1, option_log, squash; static int option_commit = 1, allow_fast_forward = 1; +static int fast_forward_only; static int allow_trivial = 1, have_message; static struct strbuf merge_msg; static struct commit_list *remoteheads; @@ -167,6 +168,8 @@ static struct option builtin_merge_options[] = { "perform a commit if the merge succeeds (default)"), OPT_BOOLEAN(0, "ff", &allow_fast_forward, "allow fast-forward (default)"), + OPT_BOOLEAN(0, "ff-only", &fast_forward_only, + "abort if fast-forward is not possible"), OPT_CALLBACK('s', "strategy", &use_strategies, "strategy", "merge strategy to use", option_parse_strategy), OPT_CALLBACK('m', "message", &merge_msg, "message", @@ -264,6 +267,7 @@ static void squash_message(void) struct strbuf out = STRBUF_INIT; struct commit_list *j; int fd; + struct pretty_print_context ctx = {0}; printf("Squash commit -- not updating HEAD\n"); fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666); @@ -285,13 +289,15 @@ static void squash_message(void) if (prepare_revision_walk(&rev)) die("revision walk setup failed"); + ctx.abbrev = rev.abbrev; + ctx.date_mode = rev.date_mode; + strbuf_addstr(&out, "Squashed commit of the following:\n"); while ((commit = get_revision(&rev)) != NULL) { strbuf_addch(&out, '\n'); strbuf_addf(&out, "commit %s\n", sha1_to_hex(commit->object.sha1)); - pretty_print_commit(rev.commit_format, commit, &out, rev.abbrev, - NULL, NULL, rev.date_mode, 0); + pretty_print_commit(rev.commit_format, commit, &out, &ctx); } if (write(fd, out.buf, out.len) < 0) die_errno("Writing SQUASH_MSG"); @@ -840,7 +846,6 @@ int cmd_merge(int argc, const char **argv, const char *prefix) const char *best_strategy = NULL, *wt_strategy = NULL; struct commit_list **remotes = &remoteheads; - setup_work_tree(); if (file_exists(git_path("MERGE_HEAD"))) die("You have not concluded your merge. (MERGE_HEAD exists)"); if (read_cache_unmerged()) @@ -874,6 +879,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) option_commit = 0; } + if (!allow_fast_forward && fast_forward_only) + die("You cannot combine --no-ff with --ff-only."); + if (!argc) usage_with_options(builtin_merge_usage, builtin_merge_options); @@ -1040,7 +1048,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * only one common. */ refresh_cache(REFRESH_QUIET); - if (allow_trivial) { + if (allow_trivial && !fast_forward_only) { /* See if it is really trivial. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); printf("Trying really trivial in-index merge...\n"); @@ -1079,6 +1087,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } } + if (fast_forward_only) + die("Not possible to fast-forward, aborting."); + /* We are going to make a new commit. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); |