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b4e1e4a787
They used to open and read index themselves, but they now expect their callers to do so. Signed-off-by: Junio C Hamano <junkio@cox.net>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include "cache.h"
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#include "diff.h"
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#include "commit.h"
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#include "revision.h"
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#include "builtin.h"
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static const char diff_files_usage[] =
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"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
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COMMON_DIFF_OPTIONS_HELP;
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int cmd_diff_files(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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int silent = 0;
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init_revisions(&rev, prefix);
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git_config(git_default_config); /* no "diff" UI options */
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rev.abbrev = 0;
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argc = setup_revisions(argc, argv, &rev, NULL);
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while (1 < argc && argv[1][0] == '-') {
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if (!strcmp(argv[1], "--base"))
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rev.max_count = 1;
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else if (!strcmp(argv[1], "--ours"))
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rev.max_count = 2;
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else if (!strcmp(argv[1], "--theirs"))
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rev.max_count = 3;
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else if (!strcmp(argv[1], "-q"))
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silent = 1;
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else
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usage(diff_files_usage);
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argv++; argc--;
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}
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if (!rev.diffopt.output_format)
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rev.diffopt.output_format = DIFF_FORMAT_RAW;
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/*
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* Make sure there are NO revision (i.e. pending object) parameter,
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* rev.max_count is reasonable (0 <= n <= 3),
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* there is no other revision filtering parameters.
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*/
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if (rev.pending.nr ||
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rev.min_age != -1 || rev.max_age != -1)
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usage(diff_files_usage);
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if (read_cache() < 0) {
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perror("read_cache");
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return -1;
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}
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return run_diff_files(&rev, silent);
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}
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