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-rw-r--r--src/ident.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/src/ident.c b/src/ident.c
deleted file mode 100644
index e5aab80ed..000000000
--- a/src/ident.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-
-#include "common.h"
-
-#include "git2/sys/filter.h"
-#include "filter.h"
-#include "buffer.h"
-
-static int ident_find_id(
- const char **id_start, const char **id_end, const char *start, size_t len)
-{
- const char *end = start + len, *found = NULL;
-
- while (len > 3 && (found = memchr(start, '$', len)) != NULL) {
- size_t remaining = (size_t)(end - found) - 1;
- if (remaining < 3)
- return GIT_ENOTFOUND;
-
- start = found + 1;
- len = remaining;
-
- if (start[0] == 'I' && start[1] == 'd')
- break;
- }
-
- if (len < 3 || !found)
- return GIT_ENOTFOUND;
- *id_start = found;
-
- if ((found = memchr(start + 2, '$', len - 2)) == NULL)
- return GIT_ENOTFOUND;
-
- *id_end = found + 1;
- return 0;
-}
-
-static int ident_insert_id(
- git_buf *to, const git_buf *from, const git_filter_source *src)
-{
- char oid[GIT_OID_HEXSZ+1];
- const char *id_start, *id_end, *from_end = from->ptr + from->size;
- size_t need_size;
-
- /* replace $Id$ with blob id */
-
- if (!git_filter_source_id(src))
- return GIT_PASSTHROUGH;
-
- git_oid_tostr(oid, sizeof(oid), git_filter_source_id(src));
-
- if (ident_find_id(&id_start, &id_end, from->ptr, from->size) < 0)
- return GIT_PASSTHROUGH;
-
- need_size = (size_t)(id_start - from->ptr) +
- 5 /* "$Id: " */ + GIT_OID_HEXSZ + 2 /* " $" */ +
- (size_t)(from_end - id_end);
-
- if (git_buf_grow(to, need_size) < 0)
- return -1;
-
- git_buf_set(to, from->ptr, (size_t)(id_start - from->ptr));
- git_buf_put(to, "$Id: ", 5);
- git_buf_put(to, oid, GIT_OID_HEXSZ);
- git_buf_put(to, " $", 2);
- git_buf_put(to, id_end, (size_t)(from_end - id_end));
-
- return git_buf_oom(to) ? -1 : 0;
-}
-
-static int ident_remove_id(
- git_buf *to, const git_buf *from)
-{
- const char *id_start, *id_end, *from_end = from->ptr + from->size;
- size_t need_size;
-
- if (ident_find_id(&id_start, &id_end, from->ptr, from->size) < 0)
- return GIT_PASSTHROUGH;
-
- need_size = (size_t)(id_start - from->ptr) +
- 4 /* "$Id$" */ + (size_t)(from_end - id_end);
-
- if (git_buf_grow(to, need_size) < 0)
- return -1;
-
- git_buf_set(to, from->ptr, (size_t)(id_start - from->ptr));
- git_buf_put(to, "$Id$", 4);
- git_buf_put(to, id_end, (size_t)(from_end - id_end));
-
- return git_buf_oom(to) ? -1 : 0;
-}
-
-static int ident_apply(
- git_filter *self,
- void **payload,
- git_buf *to,
- const git_buf *from,
- const git_filter_source *src)
-{
- GIT_UNUSED(self); GIT_UNUSED(payload);
-
- /* Don't filter binary files */
- if (git_buf_is_binary(from))
- return GIT_PASSTHROUGH;
-
- if (git_filter_source_mode(src) == GIT_FILTER_SMUDGE)
- return ident_insert_id(to, from, src);
- else
- return ident_remove_id(to, from);
-}
-
-static int ident_stream(
- git_writestream **out,
- git_filter *self,
- void **payload,
- const git_filter_source *src,
- git_writestream *next)
-{
- return git_filter_buffered_stream_new(out,
- self, ident_apply, NULL, payload, src, next);
-}
-
-git_filter *git_ident_filter_new(void)
-{
- git_filter *f = git__calloc(1, sizeof(git_filter));
- if (f == NULL)
- return NULL;
-
- f->version = GIT_FILTER_VERSION;
- f->attributes = "+ident"; /* apply to files with ident attribute set */
- f->shutdown = git_filter_free;
- f->stream = ident_stream;
-
- return f;
-}