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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /builtin/diff-files.c | |
parent | Initial commit. (diff) | |
download | git-upstream.tar.xz git-upstream.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | builtin/diff-files.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/builtin/diff-files.c b/builtin/diff-files.c new file mode 100644 index 0000000..dc991f7 --- /dev/null +++ b/builtin/diff-files.c @@ -0,0 +1,88 @@ +/* + * GIT - The information manager from hell + * + * Copyright (C) Linus Torvalds, 2005 + */ +#include "cache.h" +#include "config.h" +#include "diff.h" +#include "diff-merges.h" +#include "commit.h" +#include "revision.h" +#include "builtin.h" +#include "submodule.h" + +static const char diff_files_usage[] = +"git diff-files [-q] [-0 | -1 | -2 | -3 | -c | --cc] [<common-diff-options>] [<path>...]" +"\n" +COMMON_DIFF_OPTIONS_HELP; + +int cmd_diff_files(int argc, const char **argv, const char *prefix) +{ + struct rev_info rev; + int result; + unsigned options = 0; + + if (argc == 2 && !strcmp(argv[1], "-h")) + usage(diff_files_usage); + + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ + repo_init_revisions(the_repository, &rev, prefix); + rev.abbrev = 0; + + /* + * Consider "intent-to-add" files as new by default, unless + * explicitly specified in the command line or anywhere else. + */ + rev.diffopt.ita_invisible_in_index = 1; + + prefix = precompose_argv_prefix(argc, argv, prefix); + + 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; + rev.diffopt.rotate_to_strict = 1; + + /* + * 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); + + /* + * "diff-files --base -p" should not combine merges because it + * was not asked to. "diff-files -c -p" should not densify + * (the user should ask with "diff-files --cc" explicitly). + */ + if (rev.max_count == -1 && + (rev.diffopt.output_format & DIFF_FORMAT_PATCH)) + diff_merges_set_dense_combined_if_unset(&rev); + + if (repo_read_index_preload(the_repository, &rev.diffopt.pathspec, 0) < 0) { + perror("repo_read_index_preload"); + result = -1; + goto cleanup; + } + result = run_diff_files(&rev, options); + result = diff_result_code(&rev.diffopt, result); +cleanup: + release_revisions(&rev); + return result; +} |