diff options
| -rw-r--r-- | Documentation/git-diff-files.txt | 5 | ||||
| -rw-r--r-- | builtin-diff-files.c | 44 | ||||
| -rw-r--r-- | git.c | 2 |
3 files changed, 38 insertions, 13 deletions
diff --git a/Documentation/git-diff-files.txt b/Documentation/git-diff-files.txt index 6d2ea16a25..ca1bb6a8ee 100644 --- a/Documentation/git-diff-files.txt +++ b/Documentation/git-diff-files.txt @@ -8,7 +8,7 @@ git-diff-files - Compares files in the working tree and the index SYNOPSIS -------- -'git-diff-files' [-q] [-0|-1|-2|-3|-c|--cc|--no-index] [<common diff options>] [<path>...] +'git-diff-files' [-q] [-0|-1|-2|-3|-c|--cc] [<common diff options>] [<path>...] DESCRIPTION ----------- @@ -36,9 +36,6 @@ omit diff output for unmerged entries and just show "Unmerged". diff, similar to the way 'diff-tree' shows a merge commit with these flags. ---no-index:: - Compare the two given files / directories. - -q:: Remain silent even on nonexistent files diff --git a/builtin-diff-files.c b/builtin-diff-files.c index e2306c162a..3aa031f24f 100644 --- a/builtin-diff-files.c +++ b/builtin-diff-files.c @@ -10,26 +10,54 @@ #include "builtin.h" static const char diff_files_usage[] = -"git-diff-files [-q] [-0/-1/2/3 |-c|--cc|--no-index] [<common diff options>] [<path>...]" +"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]" COMMON_DIFF_OPTIONS_HELP; int cmd_diff_files(int argc, const char **argv, const char *prefix) { struct rev_info rev; - int nongit; int result; + unsigned options = 0; - prefix = setup_git_directory_gently(&nongit); init_revisions(&rev, prefix); git_config(git_diff_basic_config); /* no "diff" UI options */ rev.abbrev = 0; - if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix)) - argc = 0; - else - argc = setup_revisions(argc, argv, &rev, NULL); + argc = setup_revisions(argc, argv, &rev, NULL); + while (1 < argc && argv[1][0] == '-') { + if (!strcmp(argv[1], "--base")) + rev.max_count = 1; + else if (!strcmp(argv[1], "--ours")) + rev.max_count = 2; + else if (!strcmp(argv[1], "--theirs")) + rev.max_count = 3; + else if (!strcmp(argv[1], "-q")) + options |= DIFF_SILENT_ON_REMOVED; + else + usage(diff_files_usage); + argv++; argc--; + } if (!rev.diffopt.output_format) rev.diffopt.output_format = DIFF_FORMAT_RAW; - result = run_diff_files_cmd(&rev, argc, argv); + + /* + * Make sure there are NO revision (i.e. pending object) parameter, + * rev.max_count is reasonable (0 <= n <= 3), and + * there is no other revision filtering parameters. + */ + if (rev.pending.nr || + rev.min_age != -1 || rev.max_age != -1 || + 3 < rev.max_count) + usage(diff_files_usage); + + if (rev.max_count == -1 && + (rev.diffopt.output_format & DIFF_FORMAT_PATCH)) + rev.combine_merges = rev.dense_combined_merges = 1; + + if (read_cache() < 0) { + perror("read_cache"); + return -1; + } + result = run_diff_files(&rev, options); return diff_result_code(&rev.diffopt, result); } @@ -293,7 +293,7 @@ static void handle_internal_command(int argc, const char **argv) { "count-objects", cmd_count_objects, RUN_SETUP }, { "describe", cmd_describe, RUN_SETUP }, { "diff", cmd_diff }, - { "diff-files", cmd_diff_files }, + { "diff-files", cmd_diff_files, RUN_SETUP }, { "diff-index", cmd_diff_index, RUN_SETUP }, { "diff-tree", cmd_diff_tree, RUN_SETUP }, { "fast-export", cmd_fast_export, RUN_SETUP }, |