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a1264a08a1
Header files cleanup. * en/header-split-cache-h-part-3: (28 commits) fsmonitor-ll.h: split this header out of fsmonitor.h hash-ll, hashmap: move oidhash() to hash-ll object-store-ll.h: split this header out of object-store.h khash: name the structs that khash declares merge-ll: rename from ll-merge git-compat-util.h: remove unneccessary include of wildmatch.h builtin.h: remove unneccessary includes list-objects-filter-options.h: remove unneccessary include diff.h: remove unnecessary include of oidset.h repository: remove unnecessary include of path.h log-tree: replace include of revision.h with simple forward declaration cache.h: remove this no-longer-used header read-cache*.h: move declarations for read-cache.c functions from cache.h repository.h: move declaration of the_index from cache.h merge.h: move declarations for merge.c from cache.h diff.h: move declaration for global in diff.c from cache.h preload-index.h: move declarations for preload-index.c from elsewhere sparse-index.h: move declarations for sparse-index.c from cache.h name-hash.h: move declarations for name-hash.c from cache.h run-command.h: move declarations for run-command.c from cache.h ...
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
#include "builtin.h"
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#include "config.h"
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#include "diff.h"
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#include "diff-merges.h"
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#include "commit.h"
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#include "preload-index.h"
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#include "repository.h"
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#include "revision.h"
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#include "setup.h"
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#include "sparse-index.h"
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#include "submodule.h"
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static const char diff_cache_usage[] =
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"git diff-index [-m] [--cached] [--merge-base] "
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"[<common-diff-options>] <tree-ish> [<path>...]"
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"\n"
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COMMON_DIFF_OPTIONS_HELP;
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int cmd_diff_index(int argc, const char **argv, const char *prefix)
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{
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struct rev_info rev;
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unsigned int option = 0;
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int i;
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int result;
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if (argc == 2 && !strcmp(argv[1], "-h"))
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usage(diff_cache_usage);
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git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
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repo_init_revisions(the_repository, &rev, prefix);
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rev.abbrev = 0;
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prefix = precompose_argv_prefix(argc, argv, prefix);
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/*
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* We need (some of) diff for merges options (e.g., --cc), and we need
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* to avoid conflict with our own meaning of "-m".
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*/
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diff_merges_suppress_m_parsing();
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argc = setup_revisions(argc, argv, &rev, NULL);
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (!strcmp(arg, "--cached"))
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option |= DIFF_INDEX_CACHED;
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else if (!strcmp(arg, "--merge-base"))
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option |= DIFF_INDEX_MERGE_BASE;
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else if (!strcmp(arg, "-m"))
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rev.match_missing = 1;
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else
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usage(diff_cache_usage);
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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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rev.diffopt.rotate_to_strict = 1;
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/*
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* Make sure there is one revision (i.e. pending object),
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* and there is no revision filtering parameters.
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*/
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if (rev.pending.nr != 1 ||
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rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1)
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usage(diff_cache_usage);
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if (!(option & DIFF_INDEX_CACHED)) {
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setup_work_tree();
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if (repo_read_index_preload(the_repository, &rev.diffopt.pathspec, 0) < 0) {
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perror("repo_read_index_preload");
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return -1;
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}
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} else if (repo_read_index(the_repository) < 0) {
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perror("repo_read_index");
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return -1;
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}
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result = run_diff_index(&rev, option);
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result = diff_result_code(&rev.diffopt, result);
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release_revisions(&rev);
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return result;
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}
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