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diff: on win32, treat fake "symlinks" specially

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On platforms that lack `core.symlinks`, we should not go looking for
symbolic links and `p_readlink` their target.  Instead, we should
examine the file's contents.
This commit is contained in:
Edward Thomson 2015-11-03 09:43:18 -05:00
parent f20480ab0c
commit 6b0fc6abc1
1 changed files with 25 additions and 0 deletions
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25
src/diff_file.c
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@ -259,10 +259,35 @@ static int diff_file_content_load_blob(
return error; return error;
} }
static int diff_file_content_load_workdir_symlink_fake(
git_diff_file_content *fc, git_buf *path)
{
git_buf target = GIT_BUF_INIT;
int error;
if ((error = git_futils_readbuffer(&target, path->ptr)) < 0)
return error;
fc->map.len = git_buf_len(&target);
fc->map.data = git_buf_detach(&target);
fc->flags |= GIT_DIFF_FLAG__FREE_DATA;
git_buf_free(&target);
return error;
}
static int diff_file_content_load_workdir_symlink( static int diff_file_content_load_workdir_symlink(
git_diff_file_content *fc, git_buf *path) git_diff_file_content *fc, git_buf *path)
{ {
ssize_t alloc_len, read_len; ssize_t alloc_len, read_len;
int symlink_supported, error;
if ((error = git_repository__cvar(
&symlink_supported, fc->repo, GIT_CVAR_SYMLINKS)) < 0)
return -1;
if (!symlink_supported)
return diff_file_content_load_workdir_symlink_fake(fc, path);
/* link path on disk could be UTF-16, so prepare a buffer that is /* link path on disk could be UTF-16, so prepare a buffer that is
* big enough to handle some UTF-8 data expansion * big enough to handle some UTF-8 data expansion