mirror of
https://git.proxmox.com/git/libgit2
synced 2025-05-07 14:15:54 +00:00
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "git2/errors.h"
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#include "common.h"
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#include "refspec.h"
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#include "util.h"
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int git_refspec_parse(git_refspec *refspec, const char *str)
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{
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char *delim;
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memset(refspec, 0x0, sizeof(git_refspec));
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if (*str == '+') {
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refspec->force = 1;
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str++;
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}
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delim = strchr(str, ':');
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if (delim == NULL)
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return git__throw(GIT_EOBJCORRUPTED, "Failed to parse refspec. No ':'");
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refspec->src = git__strndup(str, delim - str);
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if (refspec->src == NULL)
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return GIT_ENOMEM;
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refspec->dst = git__strdup(delim + 1);
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if (refspec->dst == NULL) {
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free(refspec->src);
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refspec->src = NULL;
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return GIT_ENOMEM;
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}
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return GIT_SUCCESS;
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}
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const char *git_refspec_src(const git_refspec *refspec)
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{
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return refspec->src;
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}
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const char *git_refspec_dst(const git_refspec *refspec)
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{
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return refspec->dst;
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}
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int git_refspec_src_match(const git_refspec *refspec, const char *refname)
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{
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return git__fnmatch(refspec->src, refname, 0);
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}
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int git_refspec_transform(char *out, size_t outlen, const git_refspec *spec, const char *name)
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{
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size_t baselen, namelen;
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baselen = strlen(spec->dst);
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if (outlen <= baselen)
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return git__throw(GIT_EINVALIDREFNAME, "Reference name too long");
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/*
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* No '*' at the end means that it's mapped to one specific local
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* branch, so no actual transformation is needed.
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*/
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if (spec->dst[baselen - 1] != '*') {
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memcpy(out, spec->dst, baselen + 1); /* include '\0' */
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return GIT_SUCCESS;
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}
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/* There's a '*' at the end, so remove its length */
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baselen--;
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/* skip the prefix, -1 is for the '*' */
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name += strlen(spec->src) - 1;
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namelen = strlen(name);
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if (outlen <= baselen + namelen)
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return git__throw(GIT_EINVALIDREFNAME, "Reference name too long");
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memcpy(out, spec->dst, baselen);
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memcpy(out + baselen, name, namelen + 1);
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return GIT_SUCCESS;
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}
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