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![Denton Liu](/assets/img/avatar_default.png)
In the codebase, there are many options which use OPTION_CALLBACK in a plain ol' struct definition. However, we have the OPT_CALLBACK and OPT_CALLBACK_F macros which are meant to abstract these plain struct definitions away. These macros are useful as they semantically signal to developers that these are just normal callback option with nothing fancy happening. Replace plain struct definitions of OPTION_CALLBACK with OPT_CALLBACK or OPT_CALLBACK_F where applicable. The heavy lifting was done using the following (disgusting) shell script: #!/bin/sh do_replacement () { tr '\n' '\r' | sed -e 's/{\s*OPTION_CALLBACK,\s*\([^,]*\),\([^,]*\),\([^,]*\),\([^,]*\),\([^,]*\),\s*0,\(\s*[^[:space:]}]*\)\s*}/OPT_CALLBACK(\1,\2,\3,\4,\5,\6)/g' | sed -e 's/{\s*OPTION_CALLBACK,\s*\([^,]*\),\([^,]*\),\([^,]*\),\([^,]*\),\([^,]*\),\([^,]*\),\(\s*[^[:space:]}]*\)\s*}/OPT_CALLBACK_F(\1,\2,\3,\4,\5,\6,\7)/g' | tr '\r' '\n' } for f in $(git ls-files \*.c) do do_replacement <"$f" >"$f.tmp" mv "$f.tmp" "$f" done The result was manually inspected and then reformatted to match the style of the surrounding code. Finally, using `git grep OPTION_CALLBACK \*.c`, leftover results which were not handled by the script were manually transformed. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
153 lines
3.7 KiB
C
153 lines
3.7 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 "config.h"
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#include "object-store.h"
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#include "repository.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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#include "parse-options.h"
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static const char * const commit_tree_usage[] = {
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N_("git commit-tree [(-p <parent>)...] [-S[<keyid>]] [(-m <message>)...] "
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"[(-F <file>)...] <tree>"),
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NULL
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};
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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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static int parse_parent_arg_callback(const struct option *opt,
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const char *arg, int unset)
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{
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struct object_id oid;
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struct commit_list **parents = opt->value;
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BUG_ON_OPT_NEG_NOARG(unset, arg);
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if (get_oid_commit(arg, &oid))
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die(_("not a valid object name %s"), arg);
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assert_oid_type(&oid, OBJ_COMMIT);
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new_parent(lookup_commit(the_repository, &oid), parents);
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return 0;
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}
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static int parse_message_arg_callback(const struct option *opt,
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const char *arg, int unset)
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{
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struct strbuf *buf = opt->value;
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BUG_ON_OPT_NEG_NOARG(unset, arg);
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if (buf->len)
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strbuf_addch(buf, '\n');
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strbuf_addstr(buf, arg);
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strbuf_complete_line(buf);
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return 0;
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}
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static int parse_file_arg_callback(const struct option *opt,
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const char *arg, int unset)
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{
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int fd;
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struct strbuf *buf = opt->value;
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BUG_ON_OPT_NEG_NOARG(unset, arg);
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if (buf->len)
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strbuf_addch(buf, '\n');
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if (!strcmp(arg, "-"))
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fd = 0;
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else {
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fd = open(arg, O_RDONLY);
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if (fd < 0)
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die_errno(_("git commit-tree: failed to open '%s'"), arg);
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}
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if (strbuf_read(buf, fd, 0) < 0)
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die_errno(_("git commit-tree: failed to read '%s'"), arg);
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if (fd && close(fd))
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die_errno(_("git commit-tree: failed to close '%s'"), arg);
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return 0;
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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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static struct strbuf buffer = STRBUF_INIT;
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struct commit_list *parents = NULL;
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struct object_id tree_oid;
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struct object_id commit_oid;
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struct option options[] = {
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OPT_CALLBACK_F('p', NULL, &parents, N_("parent"),
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N_("id of a parent commit object"), PARSE_OPT_NONEG,
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parse_parent_arg_callback),
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OPT_CALLBACK_F('m', NULL, &buffer, N_("message"),
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N_("commit message"), PARSE_OPT_NONEG,
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parse_message_arg_callback),
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OPT_CALLBACK_F('F', NULL, &buffer, N_("file"),
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N_("read commit log message from file"), PARSE_OPT_NONEG,
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parse_file_arg_callback),
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{ OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key-id"),
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N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
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OPT_END()
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};
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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_with_options(commit_tree_usage, options);
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argc = parse_options(argc, argv, prefix, options, commit_tree_usage, 0);
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if (argc != 1)
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die(_("must give exactly one tree"));
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if (get_oid_tree(argv[0], &tree_oid))
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die(_("not a valid object name %s"), argv[0]);
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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_oid, parents, &commit_oid,
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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", oid_to_hex(&commit_oid));
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strbuf_release(&buffer);
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return 0;
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}
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