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![Junio C Hamano](/assets/img/avatar_default.png)
This fixes the same breakage in diff-files. Signed-off-by: Junio C Hamano <gitster@pobox.com>
829 lines
20 KiB
C
829 lines
20 KiB
C
/*
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* Copyright (C) 2005 Junio C Hamano
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*/
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#include "cache.h"
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#include "quote.h"
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#include "commit.h"
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#include "diff.h"
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#include "diffcore.h"
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#include "revision.h"
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#include "cache-tree.h"
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#include "path-list.h"
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#include "unpack-trees.h"
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#include "refs.h"
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/*
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* diff-files
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*/
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static int read_directory(const char *path, struct path_list *list)
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{
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DIR *dir;
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struct dirent *e;
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if (!(dir = opendir(path)))
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return error("Could not open directory %s", path);
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while ((e = readdir(dir)))
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if (strcmp(".", e->d_name) && strcmp("..", e->d_name))
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path_list_insert(e->d_name, list);
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closedir(dir);
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return 0;
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}
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static int get_mode(const char *path, int *mode)
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{
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struct stat st;
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if (!path || !strcmp(path, "/dev/null"))
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*mode = 0;
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else if (!strcmp(path, "-"))
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*mode = create_ce_mode(0666);
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else if (stat(path, &st))
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return error("Could not access '%s'", path);
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else
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*mode = st.st_mode;
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return 0;
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}
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static int queue_diff(struct diff_options *o,
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const char *name1, const char *name2)
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{
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int mode1 = 0, mode2 = 0;
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if (get_mode(name1, &mode1) || get_mode(name2, &mode2))
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return -1;
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if (mode1 && mode2 && S_ISDIR(mode1) != S_ISDIR(mode2))
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return error("file/directory conflict: %s, %s", name1, name2);
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if (S_ISDIR(mode1) || S_ISDIR(mode2)) {
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char buffer1[PATH_MAX], buffer2[PATH_MAX];
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struct path_list p1 = {NULL, 0, 0, 1}, p2 = {NULL, 0, 0, 1};
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int len1 = 0, len2 = 0, i1, i2, ret = 0;
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if (name1 && read_directory(name1, &p1))
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return -1;
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if (name2 && read_directory(name2, &p2)) {
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path_list_clear(&p1, 0);
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return -1;
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}
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if (name1) {
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len1 = strlen(name1);
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if (len1 > 0 && name1[len1 - 1] == '/')
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len1--;
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memcpy(buffer1, name1, len1);
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buffer1[len1++] = '/';
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}
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if (name2) {
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len2 = strlen(name2);
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if (len2 > 0 && name2[len2 - 1] == '/')
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len2--;
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memcpy(buffer2, name2, len2);
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buffer2[len2++] = '/';
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}
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for (i1 = i2 = 0; !ret && (i1 < p1.nr || i2 < p2.nr); ) {
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const char *n1, *n2;
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int comp;
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if (i1 == p1.nr)
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comp = 1;
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else if (i2 == p2.nr)
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comp = -1;
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else
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comp = strcmp(p1.items[i1].path,
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p2.items[i2].path);
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if (comp > 0)
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n1 = NULL;
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else {
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n1 = buffer1;
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strncpy(buffer1 + len1, p1.items[i1++].path,
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PATH_MAX - len1);
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}
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if (comp < 0)
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n2 = NULL;
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else {
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n2 = buffer2;
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strncpy(buffer2 + len2, p2.items[i2++].path,
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PATH_MAX - len2);
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}
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ret = queue_diff(o, n1, n2);
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}
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path_list_clear(&p1, 0);
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path_list_clear(&p2, 0);
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return ret;
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} else {
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struct diff_filespec *d1, *d2;
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if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
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unsigned tmp;
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const char *tmp_c;
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tmp = mode1; mode1 = mode2; mode2 = tmp;
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tmp_c = name1; name1 = name2; name2 = tmp_c;
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}
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if (!name1)
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name1 = "/dev/null";
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if (!name2)
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name2 = "/dev/null";
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d1 = alloc_filespec(name1);
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d2 = alloc_filespec(name2);
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fill_filespec(d1, null_sha1, mode1);
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fill_filespec(d2, null_sha1, mode2);
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diff_queue(&diff_queued_diff, d1, d2);
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return 0;
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}
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}
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/*
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* Does the path name a blob in the working tree, or a directory
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* in the working tree?
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*/
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static int is_in_index(const char *path)
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{
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int len, pos;
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struct cache_entry *ce;
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len = strlen(path);
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while (path[len-1] == '/')
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len--;
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if (!len)
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return 1; /* "." */
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pos = cache_name_pos(path, len);
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if (0 <= pos)
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return 1;
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pos = -1 - pos;
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while (pos < active_nr) {
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ce = active_cache[pos++];
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if (ce_namelen(ce) <= len ||
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strncmp(ce->name, path, len) ||
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(ce->name[len] > '/'))
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break; /* path cannot be a prefix */
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if (ce->name[len] == '/')
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return 1;
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}
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return 0;
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}
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static int handle_diff_files_args(struct rev_info *revs,
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int argc, const char **argv,
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unsigned int *options)
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{
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*options = 0;
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/* revs->max_count == -2 means --no-index */
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while (1 < argc && argv[1][0] == '-') {
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if (!strcmp(argv[1], "--base"))
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revs->max_count = 1;
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else if (!strcmp(argv[1], "--ours"))
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revs->max_count = 2;
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else if (!strcmp(argv[1], "--theirs"))
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revs->max_count = 3;
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else if (!strcmp(argv[1], "-n") ||
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!strcmp(argv[1], "--no-index")) {
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revs->max_count = -2;
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DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);
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DIFF_OPT_SET(&revs->diffopt, NO_INDEX);
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}
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else if (!strcmp(argv[1], "-q"))
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*options |= DIFF_SILENT_ON_REMOVED;
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else
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return error("invalid option: %s", argv[1]);
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argv++; argc--;
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}
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if (revs->max_count == -1 && revs->diffopt.nr_paths == 2) {
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/*
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* If two files are specified, and at least one is untracked,
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* default to no-index.
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*/
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read_cache();
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if (!is_in_index(revs->diffopt.paths[0]) ||
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!is_in_index(revs->diffopt.paths[1])) {
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revs->max_count = -2;
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DIFF_OPT_SET(&revs->diffopt, NO_INDEX);
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}
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}
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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 (revs->pending.nr || revs->max_count > 3 ||
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revs->min_age != -1 || revs->max_age != -1)
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return error("no revision allowed with diff-files");
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if (revs->max_count == -1 &&
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(revs->diffopt.output_format & DIFF_FORMAT_PATCH))
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revs->combine_merges = revs->dense_combined_merges = 1;
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return 0;
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}
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static int is_outside_repo(const char *path, int nongit, const char *prefix)
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{
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int i;
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if (nongit || !strcmp(path, "-") || is_absolute_path(path))
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return 1;
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if (prefixcmp(path, "../"))
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return 0;
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if (!prefix)
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return 1;
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for (i = strlen(prefix); !prefixcmp(path, "../"); ) {
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while (i > 0 && prefix[i - 1] != '/')
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i--;
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if (--i < 0)
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return 1;
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path += 3;
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}
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return 0;
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}
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int setup_diff_no_index(struct rev_info *revs,
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int argc, const char ** argv, int nongit, const char *prefix)
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{
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int i;
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for (i = 1; i < argc; i++)
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if (argv[i][0] != '-' || argv[i][1] == '\0')
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break;
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else if (!strcmp(argv[i], "--")) {
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i++;
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break;
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} else if (i < argc - 3 && !strcmp(argv[i], "--no-index")) {
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i = argc - 3;
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DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS);
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break;
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}
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if (argc != i + 2 || (!is_outside_repo(argv[i + 1], nongit, prefix) &&
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!is_outside_repo(argv[i], nongit, prefix)))
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return -1;
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diff_setup(&revs->diffopt);
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for (i = 1; i < argc - 2; )
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if (!strcmp(argv[i], "--no-index"))
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i++;
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else {
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int j = diff_opt_parse(&revs->diffopt,
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argv + i, argc - i);
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if (!j)
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die("invalid diff option/value: %s", argv[i]);
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i += j;
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}
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if (prefix) {
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int len = strlen(prefix);
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revs->diffopt.paths = xcalloc(2, sizeof(char*));
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for (i = 0; i < 2; i++) {
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const char *p = argv[argc - 2 + i];
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/*
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* stdin should be spelled as '-'; if you have
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* path that is '-', spell it as ./-.
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*/
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p = (strcmp(p, "-")
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? xstrdup(prefix_filename(prefix, len, p))
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: p);
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revs->diffopt.paths[i] = p;
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}
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}
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else
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revs->diffopt.paths = argv + argc - 2;
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revs->diffopt.nr_paths = 2;
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DIFF_OPT_SET(&revs->diffopt, NO_INDEX);
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revs->max_count = -2;
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if (diff_setup_done(&revs->diffopt) < 0)
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die("diff_setup_done failed");
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return 0;
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}
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int run_diff_files_cmd(struct rev_info *revs, int argc, const char **argv)
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{
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unsigned int options;
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if (handle_diff_files_args(revs, argc, argv, &options))
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return -1;
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if (DIFF_OPT_TST(&revs->diffopt, NO_INDEX)) {
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if (revs->diffopt.nr_paths != 2)
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return error("need two files/directories with --no-index");
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if (queue_diff(&revs->diffopt, revs->diffopt.paths[0],
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revs->diffopt.paths[1]))
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return -1;
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diffcore_std(&revs->diffopt);
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diff_flush(&revs->diffopt);
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/*
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* The return code for --no-index imitates diff(1):
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* 0 = no changes, 1 = changes, else error
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*/
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return revs->diffopt.found_changes;
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}
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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(revs, options);
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}
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/*
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* See if work tree has an entity that can be staged. Return 0 if so,
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* return 1 if not and return -1 if error.
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*/
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static int check_work_tree_entity(const struct cache_entry *ce, struct stat *st, char *symcache)
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{
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if (lstat(ce->name, st) < 0) {
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if (errno != ENOENT && errno != ENOTDIR)
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return -1;
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return 1;
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}
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if (has_symlink_leading_path(ce->name, symcache))
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return 1;
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if (S_ISDIR(st->st_mode)) {
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unsigned char sub[20];
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if (resolve_gitlink_ref(ce->name, "HEAD", sub))
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return 1;
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}
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return 0;
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}
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int run_diff_files(struct rev_info *revs, unsigned int option)
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{
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int entries, i;
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int diff_unmerged_stage = revs->max_count;
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int silent_on_removed = option & DIFF_SILENT_ON_REMOVED;
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unsigned ce_option = ((option & DIFF_RACY_IS_MODIFIED)
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? CE_MATCH_RACY_IS_DIRTY : 0);
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char symcache[PATH_MAX];
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if (diff_unmerged_stage < 0)
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diff_unmerged_stage = 2;
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entries = active_nr;
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symcache[0] = '\0';
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for (i = 0; i < entries; i++) {
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struct stat st;
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unsigned int oldmode, newmode;
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struct cache_entry *ce = active_cache[i];
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int changed;
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if (DIFF_OPT_TST(&revs->diffopt, QUIET) &&
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DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES))
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break;
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if (!ce_path_match(ce, revs->prune_data))
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continue;
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if (ce_stage(ce)) {
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struct combine_diff_path *dpath;
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int num_compare_stages = 0;
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size_t path_len;
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path_len = ce_namelen(ce);
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dpath = xmalloc(combine_diff_path_size(5, path_len));
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dpath->path = (char *) &(dpath->parent[5]);
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dpath->next = NULL;
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dpath->len = path_len;
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memcpy(dpath->path, ce->name, path_len);
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dpath->path[path_len] = '\0';
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hashclr(dpath->sha1);
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memset(&(dpath->parent[0]), 0,
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sizeof(struct combine_diff_parent)*5);
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changed = check_work_tree_entity(ce, &st, symcache);
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if (!changed)
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dpath->mode = ce_mode_from_stat(ce, st.st_mode);
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else {
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if (changed < 0) {
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perror(ce->name);
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continue;
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}
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if (silent_on_removed)
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continue;
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}
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while (i < entries) {
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struct cache_entry *nce = active_cache[i];
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int stage;
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if (strcmp(ce->name, nce->name))
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break;
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/* Stage #2 (ours) is the first parent,
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* stage #3 (theirs) is the second.
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*/
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stage = ce_stage(nce);
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if (2 <= stage) {
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int mode = nce->ce_mode;
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num_compare_stages++;
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hashcpy(dpath->parent[stage-2].sha1, nce->sha1);
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dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
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dpath->parent[stage-2].status =
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DIFF_STATUS_MODIFIED;
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}
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/* diff against the proper unmerged stage */
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if (stage == diff_unmerged_stage)
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ce = nce;
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i++;
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}
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/*
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* Compensate for loop update
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*/
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i--;
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if (revs->combine_merges && num_compare_stages == 2) {
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show_combined_diff(dpath, 2,
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revs->dense_combined_merges,
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revs);
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free(dpath);
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continue;
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}
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free(dpath);
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dpath = NULL;
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/*
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* Show the diff for the 'ce' if we found the one
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* from the desired stage.
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*/
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diff_unmerge(&revs->diffopt, ce->name, 0, null_sha1);
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if (ce_stage(ce) != diff_unmerged_stage)
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continue;
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}
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if (ce_uptodate(ce))
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continue;
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changed = check_work_tree_entity(ce, &st, symcache);
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if (changed) {
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if (changed < 0) {
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perror(ce->name);
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continue;
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}
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if (silent_on_removed)
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continue;
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diff_addremove(&revs->diffopt, '-', ce->ce_mode,
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ce->sha1, ce->name, NULL);
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continue;
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}
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changed = ce_match_stat(ce, &st, ce_option);
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if (!changed && !DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
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continue;
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oldmode = ce->ce_mode;
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newmode = ce_mode_from_stat(ce, st.st_mode);
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diff_change(&revs->diffopt, oldmode, newmode,
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ce->sha1, (changed ? null_sha1 : ce->sha1),
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ce->name, NULL);
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}
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diffcore_std(&revs->diffopt);
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diff_flush(&revs->diffopt);
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return 0;
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}
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/*
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* diff-index
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*/
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struct oneway_unpack_data {
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struct rev_info *revs;
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char symcache[PATH_MAX];
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};
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|
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/* A file entry went away or appeared */
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static void diff_index_show_file(struct rev_info *revs,
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const char *prefix,
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struct cache_entry *ce,
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const unsigned char *sha1, unsigned int mode)
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{
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diff_addremove(&revs->diffopt, prefix[0], mode,
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sha1, ce->name, NULL);
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}
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static int get_stat_data(struct cache_entry *ce,
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const unsigned char **sha1p,
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unsigned int *modep,
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int cached, int match_missing,
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struct oneway_unpack_data *cbdata)
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{
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const unsigned char *sha1 = ce->sha1;
|
|
unsigned int mode = ce->ce_mode;
|
|
|
|
if (!cached) {
|
|
int changed;
|
|
struct stat st;
|
|
changed = check_work_tree_entity(ce, &st, cbdata->symcache);
|
|
if (changed < 0)
|
|
return -1;
|
|
else if (changed) {
|
|
if (match_missing) {
|
|
*sha1p = sha1;
|
|
*modep = mode;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
changed = ce_match_stat(ce, &st, 0);
|
|
if (changed) {
|
|
mode = ce_mode_from_stat(ce, st.st_mode);
|
|
sha1 = null_sha1;
|
|
}
|
|
}
|
|
|
|
*sha1p = sha1;
|
|
*modep = mode;
|
|
return 0;
|
|
}
|
|
|
|
static void show_new_file(struct oneway_unpack_data *cbdata,
|
|
struct cache_entry *new,
|
|
int cached, int match_missing)
|
|
{
|
|
const unsigned char *sha1;
|
|
unsigned int mode;
|
|
struct rev_info *revs = cbdata->revs;
|
|
|
|
/*
|
|
* New file in the index: it might actually be different in
|
|
* the working copy.
|
|
*/
|
|
if (get_stat_data(new, &sha1, &mode, cached, match_missing, cbdata) < 0)
|
|
return;
|
|
|
|
diff_index_show_file(revs, "+", new, sha1, mode);
|
|
}
|
|
|
|
static int show_modified(struct oneway_unpack_data *cbdata,
|
|
struct cache_entry *old,
|
|
struct cache_entry *new,
|
|
int report_missing,
|
|
int cached, int match_missing)
|
|
{
|
|
unsigned int mode, oldmode;
|
|
const unsigned char *sha1;
|
|
struct rev_info *revs = cbdata->revs;
|
|
|
|
if (get_stat_data(new, &sha1, &mode, cached, match_missing, cbdata) < 0) {
|
|
if (report_missing)
|
|
diff_index_show_file(revs, "-", old,
|
|
old->sha1, old->ce_mode);
|
|
return -1;
|
|
}
|
|
|
|
if (revs->combine_merges && !cached &&
|
|
(hashcmp(sha1, old->sha1) || hashcmp(old->sha1, new->sha1))) {
|
|
struct combine_diff_path *p;
|
|
int pathlen = ce_namelen(new);
|
|
|
|
p = xmalloc(combine_diff_path_size(2, pathlen));
|
|
p->path = (char *) &p->parent[2];
|
|
p->next = NULL;
|
|
p->len = pathlen;
|
|
memcpy(p->path, new->name, pathlen);
|
|
p->path[pathlen] = 0;
|
|
p->mode = mode;
|
|
hashclr(p->sha1);
|
|
memset(p->parent, 0, 2 * sizeof(struct combine_diff_parent));
|
|
p->parent[0].status = DIFF_STATUS_MODIFIED;
|
|
p->parent[0].mode = new->ce_mode;
|
|
hashcpy(p->parent[0].sha1, new->sha1);
|
|
p->parent[1].status = DIFF_STATUS_MODIFIED;
|
|
p->parent[1].mode = old->ce_mode;
|
|
hashcpy(p->parent[1].sha1, old->sha1);
|
|
show_combined_diff(p, 2, revs->dense_combined_merges, revs);
|
|
free(p);
|
|
return 0;
|
|
}
|
|
|
|
oldmode = old->ce_mode;
|
|
if (mode == oldmode && !hashcmp(sha1, old->sha1) &&
|
|
!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
|
|
return 0;
|
|
|
|
diff_change(&revs->diffopt, oldmode, mode,
|
|
old->sha1, sha1, old->name, NULL);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This turns all merge entries into "stage 3". That guarantees that
|
|
* when we read in the new tree (into "stage 1"), we won't lose sight
|
|
* of the fact that we had unmerged entries.
|
|
*/
|
|
static void mark_merge_entries(void)
|
|
{
|
|
int i;
|
|
for (i = 0; i < active_nr; i++) {
|
|
struct cache_entry *ce = active_cache[i];
|
|
if (!ce_stage(ce))
|
|
continue;
|
|
ce->ce_flags |= CE_STAGEMASK;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This gets a mix of an existing index and a tree, one pathname entry
|
|
* at a time. The index entry may be a single stage-0 one, but it could
|
|
* also be multiple unmerged entries (in which case idx_pos/idx_nr will
|
|
* give you the position and number of entries in the index).
|
|
*/
|
|
static void do_oneway_diff(struct unpack_trees_options *o,
|
|
struct cache_entry *idx,
|
|
struct cache_entry *tree)
|
|
{
|
|
struct oneway_unpack_data *cbdata = o->unpack_data;
|
|
struct rev_info *revs = cbdata->revs;
|
|
int match_missing, cached;
|
|
|
|
/*
|
|
* Backward compatibility wart - "diff-index -m" does
|
|
* not mean "do not ignore merges", but "match_missing".
|
|
*
|
|
* But with the revision flag parsing, that's found in
|
|
* "!revs->ignore_merges".
|
|
*/
|
|
cached = o->index_only;
|
|
match_missing = !revs->ignore_merges;
|
|
|
|
if (cached && idx && ce_stage(idx)) {
|
|
if (tree)
|
|
diff_unmerge(&revs->diffopt, idx->name, idx->ce_mode, idx->sha1);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Something added to the tree?
|
|
*/
|
|
if (!tree) {
|
|
show_new_file(cbdata, idx, cached, match_missing);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Something removed from the tree?
|
|
*/
|
|
if (!idx) {
|
|
diff_index_show_file(revs, "-", tree, tree->sha1, tree->ce_mode);
|
|
return;
|
|
}
|
|
|
|
/* Show difference between old and new */
|
|
show_modified(cbdata, tree, idx, 1, cached, match_missing);
|
|
}
|
|
|
|
static inline void skip_same_name(struct cache_entry *ce, struct unpack_trees_options *o)
|
|
{
|
|
int len = ce_namelen(ce);
|
|
const struct index_state *index = o->src_index;
|
|
|
|
while (o->pos < index->cache_nr) {
|
|
struct cache_entry *next = index->cache[o->pos];
|
|
if (len != ce_namelen(next))
|
|
break;
|
|
if (memcmp(ce->name, next->name, len))
|
|
break;
|
|
o->pos++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The unpack_trees() interface is designed for merging, so
|
|
* the different source entries are designed primarily for
|
|
* the source trees, with the old index being really mainly
|
|
* used for being replaced by the result.
|
|
*
|
|
* For diffing, the index is more important, and we only have a
|
|
* single tree.
|
|
*
|
|
* We're supposed to return how many index entries we want to skip.
|
|
*
|
|
* This wrapper makes it all more readable, and takes care of all
|
|
* the fairly complex unpack_trees() semantic requirements, including
|
|
* the skipping, the path matching, the type conflict cases etc.
|
|
*/
|
|
static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o)
|
|
{
|
|
struct cache_entry *idx = src[0];
|
|
struct cache_entry *tree = src[1];
|
|
struct oneway_unpack_data *cbdata = o->unpack_data;
|
|
struct rev_info *revs = cbdata->revs;
|
|
|
|
if (idx && ce_stage(idx))
|
|
skip_same_name(idx, o);
|
|
|
|
/*
|
|
* Unpack-trees generates a DF/conflict entry if
|
|
* there was a directory in the index and a tree
|
|
* in the tree. From a diff standpoint, that's a
|
|
* delete of the tree and a create of the file.
|
|
*/
|
|
if (tree == o->df_conflict_entry)
|
|
tree = NULL;
|
|
|
|
if (ce_path_match(idx ? idx : tree, revs->prune_data))
|
|
do_oneway_diff(o, idx, tree);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int run_diff_index(struct rev_info *revs, int cached)
|
|
{
|
|
struct object *ent;
|
|
struct tree *tree;
|
|
const char *tree_name;
|
|
struct unpack_trees_options opts;
|
|
struct tree_desc t;
|
|
struct oneway_unpack_data unpack_cb;
|
|
|
|
mark_merge_entries();
|
|
|
|
ent = revs->pending.objects[0].item;
|
|
tree_name = revs->pending.objects[0].name;
|
|
tree = parse_tree_indirect(ent->sha1);
|
|
if (!tree)
|
|
return error("bad tree object %s", tree_name);
|
|
|
|
unpack_cb.revs = revs;
|
|
unpack_cb.symcache[0] = '\0';
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.head_idx = 1;
|
|
opts.index_only = cached;
|
|
opts.merge = 1;
|
|
opts.fn = oneway_diff;
|
|
opts.unpack_data = &unpack_cb;
|
|
opts.src_index = &the_index;
|
|
opts.dst_index = NULL;
|
|
|
|
init_tree_desc(&t, tree->buffer, tree->size);
|
|
if (unpack_trees(1, &t, &opts))
|
|
exit(128);
|
|
|
|
diffcore_std(&revs->diffopt);
|
|
diff_flush(&revs->diffopt);
|
|
return 0;
|
|
}
|
|
|
|
int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
|
|
{
|
|
struct tree *tree;
|
|
struct rev_info revs;
|
|
int i;
|
|
struct cache_entry **dst;
|
|
struct cache_entry *last = NULL;
|
|
struct unpack_trees_options opts;
|
|
struct tree_desc t;
|
|
struct oneway_unpack_data unpack_cb;
|
|
|
|
/*
|
|
* This is used by git-blame to run diff-cache internally;
|
|
* it potentially needs to repeatedly run this, so we will
|
|
* start by removing the higher order entries the last round
|
|
* left behind.
|
|
*/
|
|
dst = active_cache;
|
|
for (i = 0; i < active_nr; i++) {
|
|
struct cache_entry *ce = active_cache[i];
|
|
if (ce_stage(ce)) {
|
|
if (last && !strcmp(ce->name, last->name))
|
|
continue;
|
|
cache_tree_invalidate_path(active_cache_tree,
|
|
ce->name);
|
|
last = ce;
|
|
ce->ce_flags |= CE_REMOVE;
|
|
}
|
|
*dst++ = ce;
|
|
}
|
|
active_nr = dst - active_cache;
|
|
|
|
init_revisions(&revs, NULL);
|
|
revs.prune_data = opt->paths;
|
|
tree = parse_tree_indirect(tree_sha1);
|
|
if (!tree)
|
|
die("bad tree object %s", sha1_to_hex(tree_sha1));
|
|
|
|
unpack_cb.revs = &revs;
|
|
unpack_cb.symcache[0] = '\0';
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.head_idx = 1;
|
|
opts.index_only = 1;
|
|
opts.merge = 1;
|
|
opts.fn = oneway_diff;
|
|
opts.unpack_data = &unpack_cb;
|
|
opts.src_index = &the_index;
|
|
opts.dst_index = &the_index;
|
|
|
|
init_tree_desc(&t, tree->buffer, tree->size);
|
|
if (unpack_trees(1, &t, &opts))
|
|
exit(128);
|
|
return 0;
|
|
}
|