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-rw-r--r--builtin-merge.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/builtin-merge.c b/builtin-merge.c
index 56a1bb651..9f60ffa2c 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)
@@ -52,6 +53,7 @@ static struct strategy **use_strategies;
static size_t use_strategies_nr, use_strategies_alloc;
static const char *branch;
static int verbosity;
+static int allow_rerere_auto;
static struct strategy all_strategy[] = {
{ "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL },
@@ -170,6 +172,7 @@ 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('m', "message", &merge_msg, "message",
@@ -604,6 +607,7 @@ 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 +622,10 @@ 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;
@@ -790,17 +793,12 @@ 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;
}
-static const char deprecation_warning[] =
- "'git merge <msg> HEAD <commit>' is deprecated. Please update\n"
- "your script to use 'git merge -m <msg> <commit>' instead.\n"
- "In future versions of git, this syntax will be removed.";
-
static struct commit *is_old_style_invocation(int argc, const char **argv)
{
struct commit *second_token = NULL;
@@ -814,7 +812,6 @@ static struct commit *is_old_style_invocation(int argc, const char **argv)
die("'%s' is not a commit", argv[1]);
if (hashcmp(second_token->object.sha1, head))
return NULL;
- warning(deprecation_warning);
}
return second_token;
}
@@ -853,12 +850,22 @@ 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.