#include "diff.h"
static const char diff_files_usage[] =
-"git-diff-files [-q] "
-"[<common diff options>] [<path>...]"
+"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
static struct diff_options diff_options;
static int silent = 0;
+static int diff_unmerged_stage = 2;
+static int combine_merges = 0;
+static int dense_combined_merges = 0;
static void show_unmerge(const char *path)
{
argc--;
break;
}
- if (!strcmp(argv[1], "-q"))
+ if (!strcmp(argv[1], "-0"))
+ diff_unmerged_stage = 0;
+ else if (!strcmp(argv[1], "-1"))
+ diff_unmerged_stage = 1;
+ else if (!strcmp(argv[1], "-2"))
+ diff_unmerged_stage = 2;
+ else if (!strcmp(argv[1], "-3"))
+ diff_unmerged_stage = 3;
+ else if (!strcmp(argv[1], "--base"))
+ diff_unmerged_stage = 1;
+ else if (!strcmp(argv[1], "--ours"))
+ diff_unmerged_stage = 2;
+ else if (!strcmp(argv[1], "--theirs"))
+ diff_unmerged_stage = 3;
+ else if (!strcmp(argv[1], "-q"))
silent = 1;
else if (!strcmp(argv[1], "-r"))
; /* no-op */
else if (!strcmp(argv[1], "-s"))
; /* no-op */
+ else if (!strcmp(argv[1], "-c"))
+ combine_merges = 1;
+ else if (!strcmp(argv[1], "--cc"))
+ dense_combined_merges = combine_merges = 1;
else {
int diff_opt_cnt;
diff_opt_cnt = diff_opt_parse(&diff_options,
}
argv++; argc--;
}
+ if (dense_combined_merges)
+ diff_options.output_format = DIFF_FORMAT_PATCH;
/* Find the directory, and set up the pathspec */
pathspec = get_pathspec(prefix, argv + 1);
continue;
if (ce_stage(ce)) {
- show_unmerge(ce->name);
- while (i < entries &&
- !strcmp(ce->name, active_cache[i]->name))
+ struct {
+ struct combine_diff_path p;
+ struct combine_diff_parent filler[5];
+ } combine;
+ int num_compare_stages = 0;
+
+ combine.p.next = NULL;
+ combine.p.len = ce_namelen(ce);
+ combine.p.path = xmalloc(combine.p.len + 1);
+ memcpy(combine.p.path, ce->name, combine.p.len);
+ combine.p.path[combine.p.len] = 0;
+ combine.p.mode = 0;
+ memset(combine.p.sha1, 0, 20);
+ memset(&combine.p.parent[0], 0,
+ sizeof(combine.filler));
+
+ while (i < entries) {
+ struct cache_entry *nce = active_cache[i];
+ int stage;
+
+ if (strcmp(ce->name, nce->name))
+ break;
+
+ /* Stage #2 (ours) is the first parent,
+ * stage #3 (theirs) is the second.
+ */
+ stage = ce_stage(nce);
+ if (2 <= stage) {
+ int mode = ntohl(nce->ce_mode);
+ num_compare_stages++;
+ memcpy(combine.p.parent[stage-2].sha1,
+ nce->sha1, 20);
+ combine.p.parent[stage-2].mode =
+ DIFF_FILE_CANON_MODE(mode);
+ combine.p.parent[stage-2].status =
+ DIFF_STATUS_MODIFIED;
+ }
+
+ /* diff against the proper unmerged stage */
+ if (stage == diff_unmerged_stage)
+ ce = nce;
i++;
- i--; /* compensate for loop control increments */
- continue;
+ }
+ /*
+ * Compensate for loop update
+ */
+ i--;
+
+ if (combine_merges && num_compare_stages == 2) {
+ show_combined_diff(&combine.p, 2,
+ dense_combined_merges,
+ NULL,
+ &diff_options);
+ free(combine.p.path);
+ continue;
+ }
+ free(combine.p.path);
+
+ /*
+ * Show the diff for the 'ce' if we found the one
+ * from the desired stage.
+ */
+ show_unmerge(ce->name);
+ if (ce_stage(ce) != diff_unmerged_stage)
+ continue;
}
if (lstat(ce->name, &st) < 0) {