diff options
Diffstat (limited to 'builtin-merge.c')
| -rw-r--r-- | builtin-merge.c | 73 |
1 files changed, 61 insertions, 12 deletions
diff --git a/builtin-merge.c b/builtin-merge.c index f1c84d759d..3aaec7bed7 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -24,6 +24,7 @@ #include "rerere.h" #include "help.h" #include "merge-recursive.h" +#include "resolve-undo.h" #define DEFAULT_TWOHEAD (1<<0) #define DEFAULT_OCTOPUS (1<<1) @@ -50,8 +51,11 @@ static struct commit_list *remoteheads; static unsigned char head[20], stash[20]; static struct strategy **use_strategies; static size_t use_strategies_nr, use_strategies_alloc; +static const char **xopts; +static size_t xopts_nr, xopts_alloc; static const char *branch; static int verbosity; +static int allow_rerere_auto; static struct strategy all_strategy[] = { { "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL }, @@ -146,6 +150,17 @@ static int option_parse_strategy(const struct option *opt, return 0; } +static int option_parse_x(const struct option *opt, + const char *arg, int unset) +{ + if (unset) + return 0; + + ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc); + xopts[xopts_nr++] = xstrdup(arg); + return 0; +} + static int option_parse_n(const struct option *opt, const char *arg, int unset) { @@ -170,8 +185,11 @@ static struct option builtin_merge_options[] = { "allow fast-forward (default)"), OPT_BOOLEAN(0, "ff-only", &fast_forward_only, "abort if fast-forward is not possible"), + OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), OPT_CALLBACK('s', "strategy", &use_strategies, "strategy", "merge strategy to use", option_parse_strategy), + OPT_CALLBACK('X', "strategy-option", &xopts, "option=value", + "option for selected merge strategy", option_parse_x), OPT_CALLBACK('m', "message", &merge_msg, "message", "message to be used for the merge commit (if any)", option_parse_message), @@ -534,7 +552,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, const char *head_arg) { const char **args; - int i = 0, ret; + int i = 0, x = 0, ret; struct commit_list *j; struct strbuf buf = STRBUF_INIT; int index_fd; @@ -563,7 +581,20 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, init_merge_options(&o); if (!strcmp(strategy, "subtree")) - o.subtree_merge = 1; + o.subtree_shift = ""; + + for (x = 0; x < xopts_nr; x++) { + if (!strcmp(xopts[x], "ours")) + o.recursive_variant = MERGE_RECURSIVE_OURS; + else if (!strcmp(xopts[x], "theirs")) + o.recursive_variant = MERGE_RECURSIVE_THEIRS; + else if (!strcmp(xopts[x], "subtree")) + o.subtree_shift = ""; + else if (!prefixcmp(xopts[x], "subtree=")) + o.subtree_shift = xopts[x]+8; + else + die("Unknown option for merge-recursive: -X%s", xopts[x]); + } o.branch1 = head_arg; o.branch2 = remoteheads->item->util; @@ -581,10 +612,16 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, rollback_lock_file(lock); return clean ? 0 : 1; } else { - args = xmalloc((4 + commit_list_count(common) + + args = xmalloc((4 + xopts_nr + commit_list_count(common) + commit_list_count(remoteheads)) * sizeof(char *)); strbuf_addf(&buf, "merge-%s", strategy); args[i++] = buf.buf; + for (x = 0; x < xopts_nr; x++) { + char *s = xmalloc(strlen(xopts[x])+2+1); + strcpy(s, "--"); + strcpy(s+2, xopts[x]); + args[i++] = s; + } for (j = common; j; j = j->next) args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1)); args[i++] = "--"; @@ -595,6 +632,8 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, ret = run_command_v_opt(args, RUN_GIT_CMD); strbuf_release(&buf); i = 1; + for (x = 0; x < xopts_nr; x++) + free((void *)args[i++]); for (j = common; j; j = j->next) free((void *)args[i++]); i += 2; @@ -604,6 +643,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, discard_cache(); if (read_cache() < 0) die("failed to read the cache"); + resolve_undo_clear(); return ret; } } @@ -618,11 +658,10 @@ static void count_diff_files(struct diff_queue_struct *q, static int count_unmerged_entries(void) { - const struct index_state *state = &the_index; int i, ret = 0; - for (i = 0; i < state->cache_nr; i++) - if (ce_stage(state->cache[i])) + for (i = 0; i < active_nr; i++) + if (ce_stage(active_cache[i])) ret++; return ret; @@ -790,7 +829,7 @@ static int suggest_conflicts(void) } } fclose(fp); - rerere(); + rerere(allow_rerere_auto); printf("Automatic merge failed; " "fix conflicts and then commit the result.\n"); return 1; @@ -847,12 +886,22 @@ int cmd_merge(int argc, const char **argv, const char *prefix) const char *best_strategy = NULL, *wt_strategy = NULL; struct commit_list **remotes = &remoteheads; - if (file_exists(git_path("MERGE_HEAD"))) - die("You have not concluded your merge. (MERGE_HEAD exists)"); - if (read_cache_unmerged()) - die("You are in the middle of a conflicted merge." - " (index unmerged)"); + if (read_cache_unmerged()) { + die_resolve_conflict("merge"); + } + if (file_exists(git_path("MERGE_HEAD"))) { + /* + * There is no unmerged entry, don't advise 'git + * add/rm <file>', just 'git commit'. + */ + if (advice_resolve_conflict) + die("You have not concluded your merge (MERGE_HEAD exists).\n" + "Please, commit your changes before you can merge."); + else + die("You have not concluded your merge (MERGE_HEAD exists)."); + } + resolve_undo_clear(); /* * Check if we are _not_ on a detached HEAD, i.e. if there is a * current branch. |