Make git tag a builtin.
This replaces the script "git-tag.sh" with "builtin-tag.c". The existing test suite for "git tag" guarantees the compatibility with the features provided by the script version. There are some minor changes in the behaviour of "git tag" here: "git tag -v" now can get more than one tag to verify, like "git tag -d" does, "git tag" with no arguments prints all tags, more like "git branch" does, and "git tag -n" also prints all tags with annotations (without needing -l). Tests and documentation were also updated to reflect these changes. The program is currently calling the script "git verify-tag" for verify. This can be changed porting it to C and calling its functions directly from builtin-tag.c. Signed-off-by: Carlos Rica <jasampler@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>maint
Carlos Rica
Junio C Hamano
parent
69a9b41c15
commit
62e09ce998
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@ -12,7 +12,7 @@ SYNOPSIS
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'git-tag' [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <name> [<head>]
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'git-tag' -d <name>...
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'git-tag' [-n [<num>]] -l [<pattern>]
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'git-tag' -v <name>
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'git-tag' -v <name>...
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DESCRIPTION
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-----------
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@ -23,7 +23,7 @@ Unless `-f` is given, the tag must not yet exist in
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If one of `-a`, `-s`, or `-u <key-id>` is passed, the command
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creates a 'tag' object, and requires the tag message. Unless
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`-m <msg>` is given, an editor is started for the user to type
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`-m <msg>` or `-F <file>` is given, an editor is started for the user to type
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in the tag message.
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Otherwise just the SHA1 object name of the commit object is
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@ -59,15 +59,17 @@ OPTIONS
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Delete existing tags with the given names.
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-v::
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Verify the gpg signature of given the tag
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Verify the gpg signature of the given tag names.
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-n <num>::
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<num> specifies how many lines from the annotation, if any,
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are printed when using -l.
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The default is not to print any annotation lines.
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If no number is given to `-n`, only the first line is printed.
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-l <pattern>::
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List tags with names that match the given pattern (or all if no pattern is given).
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Typing "git tag" without arguments, also lists all tags.
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-m <msg>::
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Use the given tag message (instead of prompting)
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3
Makefile
3
Makefile
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@ -206,7 +206,7 @@ SCRIPT_SH = \
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git-pull.sh git-rebase.sh git-rebase--interactive.sh \
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git-repack.sh git-request-pull.sh git-reset.sh \
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git-sh-setup.sh \
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git-tag.sh git-verify-tag.sh \
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git-verify-tag.sh \
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git-am.sh \
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git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \
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git-merge-resolve.sh git-merge-ours.sh \
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@ -361,6 +361,7 @@ BUILTIN_OBJS = \
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builtin-show-branch.o \
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builtin-stripspace.o \
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builtin-symbolic-ref.o \
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builtin-tag.o \
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builtin-tar-tree.o \
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builtin-unpack-objects.o \
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builtin-update-index.o \
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@ -0,0 +1,450 @@
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/*
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* Builtin "git tag"
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*
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* Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
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* Carlos Rica <jasampler@gmail.com>
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* Based on 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 "tag.h"
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#include "run-command.h"
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static const char builtin_tag_usage[] =
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"git-tag [-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg> | -F <file>] <tagname> [<head>]";
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static char signingkey[1000];
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static void launch_editor(const char *path, char **buffer, unsigned long *len)
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{
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const char *editor, *terminal;
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struct child_process child;
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const char *args[3];
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int fd;
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editor = getenv("VISUAL");
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if (!editor)
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editor = getenv("EDITOR");
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terminal = getenv("TERM");
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if (!editor && (!terminal || !strcmp(terminal, "dumb"))) {
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fprintf(stderr,
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"Terminal is dumb but no VISUAL nor EDITOR defined.\n"
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"Please supply the message using either -m or -F option.\n");
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exit(1);
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}
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if (!editor)
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editor = "vi";
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memset(&child, 0, sizeof(child));
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child.argv = args;
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args[0] = editor;
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args[1] = path;
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args[2] = NULL;
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if (run_command(&child))
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die("There was a problem with the editor %s.", editor);
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fd = open(path, O_RDONLY);
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if (fd < 0)
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die("could not open '%s': %s", path, strerror(errno));
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if (read_fd(fd, buffer, len)) {
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free(*buffer);
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die("could not read message file '%s': %s",
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path, strerror(errno));
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}
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close(fd);
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}
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struct tag_filter {
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const char *pattern;
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int lines;
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};
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#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
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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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struct tag_filter *filter = cb_data;
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if (!fnmatch(filter->pattern, refname, 0)) {
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int i;
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unsigned long size;
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enum object_type type;
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char *buf, *sp, *eol;
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size_t len;
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if (!filter->lines) {
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printf("%s\n", refname);
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return 0;
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}
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printf("%-15s ", refname);
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sp = buf = read_sha1_file(sha1, &type, &size);
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if (!buf || !size)
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return 0;
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/* skip header */
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while (sp + 1 < buf + size &&
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!(sp[0] == '\n' && sp[1] == '\n'))
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sp++;
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/* only take up to "lines" lines, and strip the signature */
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for (i = 0, sp += 2; i < filter->lines && sp < buf + size &&
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prefixcmp(sp, PGP_SIGNATURE "\n");
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i++) {
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if (i)
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printf("\n ");
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eol = memchr(sp, '\n', size - (sp - buf));
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len = eol ? eol - sp : size - (sp - buf);
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fwrite(sp, len, 1, stdout);
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if (!eol)
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break;
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sp = eol + 1;
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}
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putchar('\n');
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free(buf);
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}
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return 0;
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}
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static int list_tags(const char *pattern, int lines)
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{
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struct tag_filter filter;
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char *newpattern;
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if (pattern == NULL)
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pattern = "";
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/* prepend/append * to the shell pattern: */
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newpattern = xmalloc(strlen(pattern) + 3);
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sprintf(newpattern, "*%s*", pattern);
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filter.pattern = newpattern;
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filter.lines = lines;
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for_each_tag_ref(show_reference, (void *) &filter);
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free(newpattern);
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return 0;
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}
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typedef int (*func_tag)(const char *name, const char *ref,
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const unsigned char *sha1);
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static int do_tag_names(const char **argv, func_tag 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/tags/%s", *p)
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>= sizeof(ref)) {
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error("tag 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("tag '%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_tag(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))
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return 1;
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printf("Deleted tag '%s'\n", name);
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return 0;
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}
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static int verify_tag(const char *name, const char *ref,
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const unsigned char *sha1)
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{
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const char *argv_verify_tag[] = {"git-verify-tag",
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"-v", "SHA1_HEX", NULL};
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argv_verify_tag[2] = sha1_to_hex(sha1);
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if (run_command_v_opt(argv_verify_tag, 0))
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return error("could not verify the tag '%s'", name);
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return 0;
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}
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static ssize_t do_sign(char *buffer, size_t size, size_t max)
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{
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struct child_process gpg;
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const char *args[4];
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char *bracket;
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int len;
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if (!*signingkey) {
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if (strlcpy(signingkey, git_committer_info(1),
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sizeof(signingkey)) >= sizeof(signingkey))
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return error("committer info too long.");
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bracket = strchr(signingkey, '>');
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if (bracket)
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bracket[1] = '\0';
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}
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memset(&gpg, 0, sizeof(gpg));
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gpg.argv = args;
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gpg.in = -1;
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gpg.out = -1;
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args[0] = "gpg";
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args[1] = "-bsau";
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args[2] = signingkey;
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args[3] = NULL;
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if (start_command(&gpg))
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return error("could not run gpg.");
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write_or_die(gpg.in, buffer, size);
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close(gpg.in);
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gpg.close_in = 0;
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len = read_in_full(gpg.out, buffer + size, max - size);
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finish_command(&gpg);
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if (len == max - size)
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return error("could not read the entire signature from gpg.");
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return size + len;
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}
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static const char tag_template[] =
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"\n"
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"#\n"
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"# Write a tag message\n"
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"#\n";
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static int git_tag_config(const char *var, const char *value)
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{
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if (!strcmp(var, "user.signingkey")) {
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if (!value)
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die("user.signingkey without value");
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if (strlcpy(signingkey, value, sizeof(signingkey))
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>= sizeof(signingkey))
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die("user.signingkey value too long");
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return 0;
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}
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return git_default_config(var, value);
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}
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#define MAX_SIGNATURE_LENGTH 1024
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/* message must be NULL or allocated, it will be reallocated and freed */
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static void create_tag(const unsigned char *object, const char *tag,
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char *message, int sign, unsigned char *result)
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{
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enum object_type type;
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char header_buf[1024], *buffer;
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int header_len, max_size;
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unsigned long size;
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type = sha1_object_info(object, NULL);
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if (type <= 0)
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die("bad object type.");
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header_len = snprintf(header_buf, sizeof(header_buf),
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"object %s\n"
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"type %s\n"
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"tag %s\n"
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"tagger %s\n\n",
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sha1_to_hex(object),
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typename(type),
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tag,
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git_committer_info(1));
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if (header_len >= sizeof(header_buf))
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die("tag header too big.");
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if (!message) {
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char *path;
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int fd;
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/* write the template message before editing: */
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path = xstrdup(git_path("TAG_EDITMSG"));
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fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
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if (fd < 0)
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die("could not create file '%s': %s",
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path, strerror(errno));
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write_or_die(fd, tag_template, strlen(tag_template));
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close(fd);
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launch_editor(path, &buffer, &size);
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unlink(path);
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free(path);
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}
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else {
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buffer = message;
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size = strlen(message);
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}
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size = stripspace(buffer, size, 1);
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if (!message && !size)
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die("no tag message?");
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/* insert the header and add the '\n' if needed: */
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max_size = header_len + size + (sign ? MAX_SIGNATURE_LENGTH : 0) + 1;
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buffer = xrealloc(buffer, max_size);
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if (size)
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buffer[size++] = '\n';
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memmove(buffer + header_len, buffer, size);
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memcpy(buffer, header_buf, header_len);
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size += header_len;
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if (sign) {
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size = do_sign(buffer, size, max_size);
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if (size < 0)
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die("unable to sign the tag");
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}
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if (write_sha1_file(buffer, size, tag_type, result) < 0)
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die("unable to write tag file");
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free(buffer);
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}
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int cmd_tag(int argc, const char **argv, const char *prefix)
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{
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unsigned char object[20], prev[20];
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int annotate = 0, sign = 0, force = 0, lines = 0;
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char *message = NULL;
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char ref[PATH_MAX];
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const char *object_ref, *tag;
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int i;
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struct ref_lock *lock;
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git_config(git_tag_config);
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (arg[0] != '-')
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break;
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if (!strcmp(arg, "-a")) {
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annotate = 1;
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continue;
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}
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if (!strcmp(arg, "-s")) {
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annotate = 1;
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sign = 1;
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continue;
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}
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if (!strcmp(arg, "-f")) {
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force = 1;
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continue;
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}
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if (!strcmp(arg, "-n")) {
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if (i + 1 == argc || *argv[i + 1] == '-')
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/* no argument */
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lines = 1;
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else
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lines = isdigit(*argv[++i]) ?
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atoi(argv[i]) : 1;
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continue;
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}
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if (!strcmp(arg, "-m")) {
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annotate = 1;
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i++;
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if (i == argc)
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die("option -m needs an argument.");
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message = xstrdup(argv[i]);
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continue;
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}
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if (!strcmp(arg, "-F")) {
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unsigned long len;
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int fd;
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annotate = 1;
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i++;
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if (i == argc)
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die("option -F needs an argument.");
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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("could not open '%s': %s",
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argv[i], strerror(errno));
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}
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len = 1024;
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message = xmalloc(len);
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if (read_fd(fd, &message, &len)) {
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free(message);
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die("cannot read %s", argv[i]);
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}
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continue;
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}
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if (!strcmp(arg, "-u")) {
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annotate = 1;
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sign = 1;
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i++;
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if (i == argc)
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die("option -u needs an argument.");
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if (strlcpy(signingkey, argv[i], sizeof(signingkey))
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>= sizeof(signingkey))
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die("argument to option -u too long");
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continue;
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}
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if (!strcmp(arg, "-l")) {
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return list_tags(argv[i + 1], lines);
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}
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if (!strcmp(arg, "-d")) {
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return do_tag_names(argv + i + 1, delete_tag);
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}
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if (!strcmp(arg, "-v")) {
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return do_tag_names(argv + i + 1, verify_tag);
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}
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usage(builtin_tag_usage);
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}
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if (i == argc) {
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if (annotate)
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usage(builtin_tag_usage);
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return list_tags(NULL, lines);
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}
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tag = argv[i++];
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object_ref = i < argc ? argv[i] : "HEAD";
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if (i + 1 < argc)
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die("too many params");
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if (get_sha1(object_ref, object))
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die("Failed to resolve '%s' as a valid ref.", object_ref);
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if (snprintf(ref, sizeof(ref), "refs/tags/%s", tag) >= sizeof(ref))
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die("tag name too long: %.*s...", 50, tag);
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if (check_ref_format(ref))
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die("'%s' is not a valid tag name.", tag);
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|
||||
if (!resolve_ref(ref, prev, 1, NULL))
|
||||
hashclr(prev);
|
||||
else if (!force)
|
||||
die("tag '%s' already exists", tag);
|
||||
|
||||
if (annotate)
|
||||
create_tag(object, tag, message, sign, object);
|
||||
|
||||
lock = lock_any_ref_for_update(ref, prev, 0);
|
||||
if (!lock)
|
||||
die("%s: cannot lock the ref", ref);
|
||||
if (write_ref_sha1(lock, object, NULL) < 0)
|
||||
die("%s: cannot update the ref", ref);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -70,6 +70,7 @@ extern int cmd_show(int argc, const char **argv, const char *prefix);
|
|||
extern int cmd_show_branch(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_stripspace(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_symbolic_ref(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_tag(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_tar_tree(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_unpack_objects(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_update_index(int argc, const char **argv, const char *prefix);
|
||||
|
|
|
|||
1
git.c
1
git.c
|
|
@ -363,6 +363,7 @@ static void handle_internal_command(int argc, const char **argv)
|
|||
{ "show", cmd_show, RUN_SETUP | USE_PAGER },
|
||||
{ "stripspace", cmd_stripspace },
|
||||
{ "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
|
||||
{ "tag", cmd_tag, RUN_SETUP },
|
||||
{ "tar-tree", cmd_tar_tree },
|
||||
{ "unpack-objects", cmd_unpack_objects, RUN_SETUP },
|
||||
{ "update-index", cmd_update_index, RUN_SETUP },
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@
|
|||
|
||||
test_description='git-tag
|
||||
|
||||
Basic tests for operations with tags.'
|
||||
Tests for operations with tags.'
|
||||
|
||||
. ./test-lib.sh
|
||||
|
||||
|
|
@ -16,11 +16,15 @@ tag_exists () {
|
|||
}
|
||||
|
||||
# todo: git tag -l now returns always zero, when fixed, change this test
|
||||
test_expect_success 'listing all tags in an empty tree should succeed' \
|
||||
'git tag -l'
|
||||
test_expect_success 'listing all tags in an empty tree should succeed' '
|
||||
git tag -l &&
|
||||
git tag
|
||||
'
|
||||
|
||||
test_expect_success 'listing all tags in an empty tree should output nothing' \
|
||||
'test `git-tag -l | wc -l` -eq 0'
|
||||
test_expect_success 'listing all tags in an empty tree should output nothing' '
|
||||
test `git-tag -l | wc -l` -eq 0 &&
|
||||
test `git-tag | wc -l` -eq 0
|
||||
'
|
||||
|
||||
test_expect_failure 'looking for a tag in an empty tree should fail' \
|
||||
'tag_exists mytag'
|
||||
|
|
@ -49,11 +53,15 @@ test_expect_success 'creating a tag using default HEAD should succeed' '
|
|||
git tag mytag
|
||||
'
|
||||
|
||||
test_expect_success 'listing all tags if one exists should succeed' \
|
||||
'git-tag -l'
|
||||
test_expect_success 'listing all tags if one exists should succeed' '
|
||||
git-tag -l &&
|
||||
git-tag
|
||||
'
|
||||
|
||||
test_expect_success 'listing all tags if one exists should output that tag' \
|
||||
'test `git-tag -l` = mytag'
|
||||
test_expect_success 'listing all tags if one exists should output that tag' '
|
||||
test `git-tag -l` = mytag &&
|
||||
test `git-tag` = mytag
|
||||
'
|
||||
|
||||
# pattern matching:
|
||||
|
||||
|
|
@ -165,6 +173,8 @@ test_expect_success 'listing all tags should print them ordered' '
|
|||
git tag v1.0 &&
|
||||
git tag t210 &&
|
||||
git tag -l > actual &&
|
||||
git diff expect actual &&
|
||||
git tag > actual &&
|
||||
git diff expect actual
|
||||
'
|
||||
|
||||
|
|
@ -264,6 +274,10 @@ test_expect_failure \
|
|||
'trying to verify a non-annotated and non-signed tag should fail' \
|
||||
'git-tag -v non-annotated-tag'
|
||||
|
||||
test_expect_failure \
|
||||
'trying to verify many non-annotated or unknown tags, should fail' \
|
||||
'git-tag -v unknown-tag1 non-annotated-tag unknown-tag2'
|
||||
|
||||
# creating annotated tags:
|
||||
|
||||
get_tag_msg () {
|
||||
|
|
@ -306,6 +320,18 @@ test_expect_success \
|
|||
git diff expect actual
|
||||
'
|
||||
|
||||
cat >inputmsg <<EOF
|
||||
A message from the
|
||||
standard input
|
||||
EOF
|
||||
get_tag_header stdin-annotated-tag $commit commit $time >expect
|
||||
cat inputmsg >>expect
|
||||
test_expect_success 'creating an annotated tag with -F - should succeed' '
|
||||
git-tag -F - stdin-annotated-tag <inputmsg &&
|
||||
get_tag_msg stdin-annotated-tag >actual &&
|
||||
git diff expect actual
|
||||
'
|
||||
|
||||
# blank and empty messages:
|
||||
|
||||
get_tag_header empty-annotated-tag $commit commit $time >expect
|
||||
|
|
@ -551,6 +577,12 @@ test_expect_success \
|
|||
! git-tag -v file-annotated-tag
|
||||
'
|
||||
|
||||
test_expect_success \
|
||||
'trying to verify two annotated non-signed tags should fail' '
|
||||
tag_exists annotated-tag file-annotated-tag &&
|
||||
! git-tag -v annotated-tag file-annotated-tag
|
||||
'
|
||||
|
||||
# creating and verifying signed tags:
|
||||
|
||||
gpg --version >/dev/null
|
||||
|
|
@ -589,9 +621,47 @@ test_expect_success 'creating a signed tag with -m message should succeed' '
|
|||
git diff expect actual
|
||||
'
|
||||
|
||||
cat >sigmsgfile <<EOF
|
||||
Another signed tag
|
||||
message in a file.
|
||||
EOF
|
||||
get_tag_header file-signed-tag $commit commit $time >expect
|
||||
cat sigmsgfile >>expect
|
||||
echo '-----BEGIN PGP SIGNATURE-----' >>expect
|
||||
test_expect_success \
|
||||
'creating a signed tag with -F messagefile should succeed' '
|
||||
git-tag -s -F sigmsgfile file-signed-tag &&
|
||||
get_tag_msg file-signed-tag >actual &&
|
||||
git diff expect actual
|
||||
'
|
||||
|
||||
cat >siginputmsg <<EOF
|
||||
A signed tag message from
|
||||
the standard input
|
||||
EOF
|
||||
get_tag_header stdin-signed-tag $commit commit $time >expect
|
||||
cat siginputmsg >>expect
|
||||
echo '-----BEGIN PGP SIGNATURE-----' >>expect
|
||||
test_expect_success 'creating a signed tag with -F - should succeed' '
|
||||
git-tag -s -F - stdin-signed-tag <siginputmsg &&
|
||||
get_tag_msg stdin-signed-tag >actual &&
|
||||
git diff expect actual
|
||||
'
|
||||
|
||||
test_expect_success 'verifying a signed tag should succeed' \
|
||||
'git-tag -v signed-tag'
|
||||
|
||||
test_expect_success 'verifying two signed tags in one command should succeed' \
|
||||
'git-tag -v signed-tag file-signed-tag'
|
||||
|
||||
test_expect_success \
|
||||
'verifying many signed and non-signed tags should fail' '
|
||||
! git-tag -v signed-tag annotated-tag &&
|
||||
! git-tag -v file-annotated-tag file-signed-tag &&
|
||||
! git-tag -v annotated-tag file-signed-tag file-annotated-tag &&
|
||||
! git-tag -v signed-tag annotated-tag file-signed-tag
|
||||
'
|
||||
|
||||
test_expect_success 'verifying a forged tag should fail' '
|
||||
forged=$(git cat-file tag signed-tag |
|
||||
sed -e "s/signed-tag/forged-tag/" |
|
||||
|
|
|
|||
Loading…
Reference in New Issue