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50b26f5612
"git commit-tree" plumbing command required the user to always sign its result when the user sets the commit.gpgsign configuration variable, which was an ancient mistake. Rework "git rebase" that relied on this mistake so that it reads commit.gpgsign and pass (or not pass) the -S option to "git commit-tree" to keep the end-user expectation the same, while teaching "git commit-tree" to ignore the configuration variable. This will stop requiring the users to sign commit objects used internally as an implementation detail of "git stash". * jc/commit-tree-ignore-commit-gpgsign: commit-tree: do not pay attention to commit.gpgsign
130 lines
3 KiB
C
130 lines
3 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[<keyid>]] [-m <message>] [-F <file>] <sha1>";
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static const char *sign_commit;
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static void new_parent(struct commit *parent, struct commit_list **parents_p)
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{
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struct object_id *oid = &parent->object.oid;
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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", oid_to_hex(oid));
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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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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 (skip_prefix(arg, "-S", &sign_commit))
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continue;
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if (!strcmp(arg, "--no-gpg-sign")) {
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sign_commit = NULL;
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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.buf, buffer.len, tree_sha1, parents,
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commit_sha1, 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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