зеркало из https://github.com/microsoft/git.git
126 строки
3.0 KiB
C
126 строки
3.0 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 "commit.h"
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#include "tree.h"
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#include "builtin.h"
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#include "utf8.h"
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#include "gpg-interface.h"
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static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-S<signer>] [-m <message>] [-F <file>] <sha1> <changelog";
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static void new_parent(struct commit *parent, struct commit_list **parents_p)
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{
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unsigned char *sha1 = parent->object.sha1;
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struct commit_list *parents;
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for (parents = *parents_p; parents; parents = parents->next) {
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if (parents->item == parent) {
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error("duplicate parent %s ignored", sha1_to_hex(sha1));
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return;
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}
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parents_p = &parents->next;
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}
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commit_list_insert(parent, parents_p);
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}
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static int commit_tree_config(const char *var, const char *value, void *cb)
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{
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int status = git_gpg_config(var, value, NULL);
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if (status)
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return status;
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return git_default_config(var, value, cb);
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}
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int cmd_commit_tree(int argc, const char **argv, const char *prefix)
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{
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int i, got_tree = 0;
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struct commit_list *parents = NULL;
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unsigned char tree_sha1[20];
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unsigned char commit_sha1[20];
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struct strbuf buffer = STRBUF_INIT;
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const char *sign_commit = NULL;
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git_config(commit_tree_config, NULL);
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if (argc < 2 || !strcmp(argv[1], "-h"))
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usage(commit_tree_usage);
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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, "-p")) {
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unsigned char sha1[20];
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if (argc <= ++i)
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usage(commit_tree_usage);
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if (get_sha1_commit(argv[i], sha1))
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die("Not a valid object name %s", argv[i]);
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assert_sha1_type(sha1, OBJ_COMMIT);
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new_parent(lookup_commit(sha1), &parents);
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continue;
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}
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if (!memcmp(arg, "-S", 2)) {
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sign_commit = arg + 2;
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continue;
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}
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if (!strcmp(arg, "-m")) {
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if (argc <= ++i)
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usage(commit_tree_usage);
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if (buffer.len)
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strbuf_addch(&buffer, '\n');
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strbuf_addstr(&buffer, argv[i]);
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strbuf_complete_line(&buffer);
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continue;
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}
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if (!strcmp(arg, "-F")) {
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int fd;
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if (argc <= ++i)
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usage(commit_tree_usage);
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if (buffer.len)
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strbuf_addch(&buffer, '\n');
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if (!strcmp(argv[i], "-"))
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fd = 0;
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else {
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fd = open(argv[i], O_RDONLY);
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if (fd < 0)
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die_errno("git commit-tree: failed to open '%s'",
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argv[i]);
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}
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if (strbuf_read(&buffer, fd, 0) < 0)
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die_errno("git commit-tree: failed to read '%s'",
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argv[i]);
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if (fd && close(fd))
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die_errno("git commit-tree: failed to close '%s'",
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argv[i]);
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strbuf_complete_line(&buffer);
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continue;
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}
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if (get_sha1_tree(arg, tree_sha1))
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die("Not a valid object name %s", arg);
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if (got_tree)
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die("Cannot give more than one trees");
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got_tree = 1;
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}
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if (!buffer.len) {
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if (strbuf_read(&buffer, 0, 0) < 0)
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die_errno("git commit-tree: failed to read");
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}
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if (commit_tree(&buffer, tree_sha1, parents, commit_sha1,
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NULL, sign_commit)) {
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strbuf_release(&buffer);
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return 1;
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}
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printf("%s\n", sha1_to_hex(commit_sha1));
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strbuf_release(&buffer);
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return 0;
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}
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