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/*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "git2/errors.h"
#include "common.h"
#include "refspec.h"
#include "util.h"
int git_refspec_parse(git_refspec *refspec, const char *str)
{
char *delim;
memset(refspec, 0x0, sizeof(git_refspec));
if (*str == '+') {
refspec->force = 1;
str++;
}
delim = strchr(str, ':');
if (delim == NULL)
return git__throw(GIT_EOBJCORRUPTED, "Failed to parse refspec. No ':'");
refspec->src = git__strndup(str, delim - str);
if (refspec->src == NULL)
return GIT_ENOMEM;
refspec->dst = git__strdup(delim + 1);
if (refspec->dst == NULL) {
free(refspec->src);
refspec->src = NULL;
return GIT_ENOMEM;
}
return GIT_SUCCESS;
}
const char *git_refspec_src(const git_refspec *refspec)
{
return refspec->src;
}
const char *git_refspec_dst(const git_refspec *refspec)
{
return refspec->dst;
}
int git_refspec_src_match(const git_refspec *refspec, const char *refname)
{
return git__fnmatch(refspec->src, refname, 0);
}
int git_refspec_transform(char *out, size_t outlen, const git_refspec *spec, const char *name)
{
size_t baselen, namelen;
baselen = strlen(spec->dst);
if (outlen <= baselen)
return git__throw(GIT_EINVALIDREFNAME, "Reference name too long");
/*
* No '*' at the end means that it's mapped to one specific local
* branch, so no actual transformation is needed.
*/
if (spec->dst[baselen - 1] != '*') {
memcpy(out, spec->dst, baselen + 1); /* include '\0' */
return GIT_SUCCESS;
}
/* There's a '*' at the end, so remove its length */
baselen--;
/* skip the prefix, -1 is for the '*' */
name += strlen(spec->src) - 1;
namelen = strlen(name);
if (outlen <= baselen + namelen)
return git__throw(GIT_EINVALIDREFNAME, "Reference name too long");
memcpy(out, spec->dst, baselen);
memcpy(out + baselen, name, namelen + 1);
return GIT_SUCCESS;
}
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