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62c64895cf
"git diff" has a --check option that can be used to check for whitespace problems but it only reported by printing warnings to the console. Now when the --check option is used we give a non-zero exit status, making "git diff --check" nicer to use in scripts and hooks. Signed-off-by: Wincent Colaiuta <win@wincent.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
40 lines
1.1 KiB
C
40 lines
1.1 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|--no-index] [<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 nongit = 0;
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int result;
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prefix = setup_git_directory_gently(&nongit);
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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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if (!setup_diff_no_index(&rev, argc, argv, nongit, prefix))
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argc = 0;
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else
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argc = setup_revisions(argc, argv, &rev, NULL);
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if (!rev.diffopt.output_format)
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rev.diffopt.output_format = DIFF_FORMAT_RAW;
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result = run_diff_files_cmd(&rev, argc, argv);
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if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS))
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return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0;
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if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF)
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return DIFF_OPT_TST(&rev.diffopt, CHECK_FAILED) != 0;
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return result;
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}
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