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dff79e27d3
The 's' never really made sense, since it's not a "small" object at all, but rather a plain object. As such, it should have a "plain" object name. Signed-off-by: Andreas Ericsson <ae@op5.se> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
98 lines
2.3 KiB
C
98 lines
2.3 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 "git/odb.h"
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struct git_odb {
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/** Path to the "objects" directory. */
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char *path;
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/** Alternate databases to search. */
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git_odb **alternates;
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};
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static int open_alternates(git_odb *db)
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{
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unsigned n = 0;
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db->alternates = malloc(sizeof(*db->alternates) * (n + 1));
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if (!db->alternates)
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return GIT_ERROR;
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db->alternates[n] = NULL;
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return GIT_SUCCESS;
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}
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int git_odb_open(git_odb **out, const char *objects_dir)
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{
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git_odb *db = malloc(sizeof(*db));
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if (!db)
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return GIT_ERROR;
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db->path = strdup(objects_dir);
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if (!db->path) {
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free(db);
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return GIT_ERROR;
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}
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db->alternates = NULL;
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*out = db;
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return GIT_SUCCESS;
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}
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void git_odb_close(git_odb *db)
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{
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if (!db)
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return;
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if (db->alternates) {
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git_odb **alt;
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for (alt = db->alternates; *alt; alt++)
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git_odb_close(*alt);
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free(db->alternates);
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}
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free(db->path);
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free(db);
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}
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int git_odb_read(
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git_obj *out,
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git_odb *db,
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const git_oid *id)
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{
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attempt:
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if (!git_odb__read_packed(out, db, id))
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return GIT_SUCCESS;
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if (!git_odb__read_loose(out, db, id))
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return GIT_SUCCESS;
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if (!db->alternates && !open_alternates(db))
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goto attempt;
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out->data = NULL;
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return GIT_ENOTFOUND;
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}
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