mirror of
https://github.com/git/git.git
synced 2024-05-30 19:36:30 +02:00
106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
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/*
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* Builtin "git replace"
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*
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* Copyright (c) 2008 Christian Couder <chriscool@tuxfamily.org>
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*
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* Based on builtin-tag.c by Kristian Høgsberg <krh@redhat.com>
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* and Carlos Rica <jasampler@gmail.com> that was itself based on
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* git-tag.sh and mktag.c by Linus Torvalds.
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "refs.h"
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#include "parse-options.h"
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static const char * const git_replace_usage[] = {
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"git replace -d <object>...",
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"git replace -l [<pattern>]",
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NULL
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};
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static int show_reference(const char *refname, const unsigned char *sha1,
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int flag, void *cb_data)
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{
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const char *pattern = cb_data;
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if (!fnmatch(pattern, refname, 0))
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printf("%s\n", refname);
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return 0;
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}
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static int list_replace_refs(const char *pattern)
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{
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if (pattern == NULL)
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pattern = "*";
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for_each_replace_ref(show_reference, (void *) pattern);
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return 0;
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}
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typedef int (*each_replace_name_fn)(const char *name, const char *ref,
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const unsigned char *sha1);
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static int for_each_replace_name(const char **argv, each_replace_name_fn fn)
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{
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const char **p;
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char ref[PATH_MAX];
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int had_error = 0;
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unsigned char sha1[20];
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for (p = argv; *p; p++) {
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if (snprintf(ref, sizeof(ref), "refs/replace/%s", *p)
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>= sizeof(ref)) {
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error("replace ref name too long: %.*s...", 50, *p);
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had_error = 1;
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continue;
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}
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if (!resolve_ref(ref, sha1, 1, NULL)) {
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error("replace ref '%s' not found.", *p);
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had_error = 1;
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continue;
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}
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if (fn(*p, ref, sha1))
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had_error = 1;
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}
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return had_error;
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}
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static int delete_replace_ref(const char *name, const char *ref,
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const unsigned char *sha1)
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{
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if (delete_ref(ref, sha1, 0))
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return 1;
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printf("Deleted replace ref '%s'\n", name);
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return 0;
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}
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int cmd_replace(int argc, const char **argv, const char *prefix)
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{
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int list = 0, delete = 0;
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struct option options[] = {
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OPT_BOOLEAN('l', NULL, &list, "list replace refs"),
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OPT_BOOLEAN('d', NULL, &delete, "delete replace refs"),
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OPT_END()
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};
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argc = parse_options(argc, argv, options, git_replace_usage, 0);
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if (list && delete)
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usage_with_options(git_replace_usage, options);
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if (delete) {
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if (argc < 1)
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usage_with_options(git_replace_usage, options);
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return for_each_replace_name(argv, delete_replace_ref);
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}
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/* List refs, even if "list" is not set */
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if (argc > 1)
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usage_with_options(git_replace_usage, options);
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return list_replace_refs(argv[0]);
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}
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