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Handle local file:/// paths on Windows

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Windows can't handle a path like `/c:/foo`; when turning file:///
URIs into local paths, we must strip the leading slash.
This commit is contained in:
Edward Thomson 2014-07-08 15:45:50 -04:00
parent 356b891e3e
commit 529fd30d1f
4 changed files with 94 additions and 61 deletions
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40
src/clone.c
View File

@ -371,27 +371,30 @@ cleanup:
return error;
}
int git_clone__should_clone_local(const char *url, git_clone_local_t local)
int git_clone__should_clone_local(const char *url_or_path, git_clone_local_t local)
{
const char *path;
int is_url;
git_buf fromurl = GIT_BUF_INIT;
const char *path = url_or_path;
bool is_url, is_local;
if (local == GIT_CLONE_NO_LOCAL)
return false;
return 0;
is_url = !git__prefixcmp(url, "file://");
if (is_url = git_path_is_local_file_url(url_or_path)) {
if (git_path_fromurl(&fromurl, url_or_path) < 0) {
is_local = -1;
goto done;
}
if (is_url && local != GIT_CLONE_LOCAL && local != GIT_CLONE_LOCAL_NO_LINKS )
return false;
path = fromurl.ptr;
}
path = url;
if (is_url)
path = url + strlen("file://");
is_local = (!is_url || local != GIT_CLONE_LOCAL_AUTO) &&
git_path_isdir(path);
if ((git_path_exists(path) && git_path_isdir(path)) && local != GIT_CLONE_NO_LOCAL)
return true;
return false;
done:
git_buf_free(&fromurl);
return is_local;
}
int git_clone(
@ -434,16 +437,19 @@ int git_clone(
return error;
if (!(error = create_and_configure_origin(&origin, repo, url, &options))) {
if (git_clone__should_clone_local(url, options.local)) {
int should_clone = git_clone__should_clone_local(url, options.local);
int link = options.local != GIT_CLONE_LOCAL_NO_LINKS;
if (should_clone == 1)
error = clone_local_into(
repo, origin, &options.checkout_opts,
options.checkout_branch, link, options.signature);
} else {
else if (should_clone == 0)
error = clone_into(
repo, origin, &options.checkout_opts,
options.checkout_branch, options.signature);
}
else
error = -1;
git_remote_free(origin);
}

56
src/path.c
View File

@ -377,26 +377,33 @@ static int error_invalid_local_file_uri(const char *uri)
return -1;
}
static int local_file_url_prefixlen(const char *file_url)
{
int len = -1;
if (git__prefixcmp(file_url, "file://") == 0) {
if (file_url[7] == '/')
len = 8;
else if (git__prefixcmp(file_url + 7, "localhost/") == 0)
len = 17;
}
return len;
}
bool git_path_is_local_file_url(const char *file_url)
{
return (local_file_url_prefixlen(file_url) > 0);
}
int git_path_fromurl(git_buf *local_path_out, const char *file_url)
{
int offset = 0, len;
int offset;
assert(local_path_out && file_url);
if (git__prefixcmp(file_url, "file://") != 0)
return error_invalid_local_file_uri(file_url);
offset += 7;
len = (int)strlen(file_url);
if (offset < len && file_url[offset] == '/')
offset++;
else if (offset < len && git__prefixcmp(file_url + offset, "localhost/") == 0)
offset += 10;
else
return error_invalid_local_file_uri(file_url);
if (offset >= len || file_url[offset] == '/')
if ((offset = local_file_url_prefixlen(file_url)) < 0 ||
file_url[offset] == '\0' || file_url[offset] == '/')
return error_invalid_local_file_uri(file_url);
#ifndef GIT_WIN32
@ -404,7 +411,6 @@ int git_path_fromurl(git_buf *local_path_out, const char *file_url)
#endif
git_buf_clear(local_path_out);
return git__percent_decode(local_path_out, file_url + offset);
}
@ -1130,18 +1136,8 @@ int git_path_dirload_with_stat(
int git_path_from_url_or_path(git_buf *local_path_out, const char *url_or_path)
{
int error;
/* If url_or_path begins with file:// treat it as a URL */
if (!git__prefixcmp(url_or_path, "file://")) {
if ((error = git_path_fromurl(local_path_out, url_or_path)) < 0) {
return error;
}
} else { /* We assume url_or_path is already a path */
if ((error = git_buf_sets(local_path_out, url_or_path)) < 0) {
return error;
}
}
return 0;
if (git_path_is_local_file_url(url_or_path))
return git_path_fromurl(local_path_out, url_or_path);
else
return git_buf_sets(local_path_out, url_or_path);
}

1
src/path.h
View File

@ -439,6 +439,7 @@ extern int git_path_iconv(git_path_iconv_t *ic, char **in, size_t *inlen);
extern bool git_path_does_fs_decompose_unicode(const char *root);
/* Used for paths to repositories on the filesystem */
extern bool git_path_is_local_file_url(const char *file_url);
extern int git_path_from_url_or_path(git_buf *local_path_out, const char *url_or_path);
#endif

54
tests/clone/local.c
View File

@ -7,25 +7,55 @@
#include "posix.h"
#include "fileops.h"
static int file_url(git_buf *buf, const char *host, const char *path)
{
if (path[0] == '/')
path++;
git_buf_clear(buf);
return git_buf_printf(buf, "file://%s/%s", host, path);
}
void test_clone_local__should_clone_local(void)
{
git_buf buf = GIT_BUF_INIT;
const char *path;
/* we use a fixture path because it needs to exist for us to want to clone */
const char *path = cl_fixture("testrepo.git");
cl_git_pass(file_url(&buf, "", path));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_NO_LOCAL));
cl_git_pass(file_url(&buf, "localhost", path));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_NO_LOCAL));
cl_git_pass(file_url(&buf, "other-host.mycompany.com", path));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_NO_LOCAL));
/* Ensure that file:/// urls are percent decoded: .git == %2e%67%69%74 */
cl_git_pass(file_url(&buf, "", path));
git_buf_shorten(&buf, 4);
cl_git_pass(git_buf_puts(&buf, "%2e%67%69%74"));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL));
cl_assert_equal_i(1, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(0, git_clone__should_clone_local(buf.ptr, GIT_CLONE_NO_LOCAL));
cl_assert_equal_i(1, git_clone__should_clone_local(path, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(1, git_clone__should_clone_local(path, GIT_CLONE_LOCAL));
cl_assert_equal_i(1, git_clone__should_clone_local(path, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(0, git_clone__should_clone_local(path, GIT_CLONE_NO_LOCAL));
cl_git_pass(git_buf_printf(&buf, "file://%s", cl_fixture("testrepo.git")));
cl_assert_equal_i(false, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(true, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL));
cl_assert_equal_i(true, git_clone__should_clone_local(buf.ptr, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(false, git_clone__should_clone_local(buf.ptr, GIT_CLONE_NO_LOCAL));
git_buf_free(&buf);
path = cl_fixture("testrepo.git");
cl_assert_equal_i(true, git_clone__should_clone_local(path, GIT_CLONE_LOCAL_AUTO));
cl_assert_equal_i(true, git_clone__should_clone_local(path, GIT_CLONE_LOCAL));
cl_assert_equal_i(true, git_clone__should_clone_local(path, GIT_CLONE_LOCAL_NO_LINKS));
cl_assert_equal_i(false, git_clone__should_clone_local(path, GIT_CLONE_NO_LOCAL));
}
void test_clone_local__hardlinks(void)