FilesExpand file tree

main

/

cmd_clone.c

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

190 lines (148 loc) · 4.72 KB

main

/

cmd_clone.c

Copy path

Top

File metadata and controls

• Code
• Blame

190 lines (148 loc) · 4.72 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

/*

* 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 <stdio.h>

#include <git2.h>

#include "common.h"

#include "cmd.h"

#include "error.h"

#include "sighandler.h"

#include "progress.h"

#include "fs_path.h"

#include "futils.h"

#define COMMAND_NAME "clone"

static char *branch, *remote_path, *local_path, *depth;

static int quiet, checkout = 1, bare;

static bool local_path_exists;

static cli_progress progress = CLI_PROGRESS_INIT;

static const cli_opt_spec opts[] = {

CLI_COMMON_OPT,

{ CLI_OPT_TYPE_SWITCH, "quiet", 'q', &quiet, 1,

CLI_OPT_USAGE_DEFAULT, NULL, "display the type of the object" },

{ CLI_OPT_TYPE_SWITCH, "no-checkout", 'n', &checkout, 0,

CLI_OPT_USAGE_DEFAULT, NULL, "don't checkout HEAD" },

{ CLI_OPT_TYPE_SWITCH, "bare", 0, &bare, 1,

CLI_OPT_USAGE_DEFAULT, NULL, "don't create a working directory" },

{ CLI_OPT_TYPE_VALUE, "branch", 'b', &branch, 0,

CLI_OPT_USAGE_DEFAULT, "name", "branch to check out" },

{ CLI_OPT_TYPE_VALUE, "depth", 0, &depth, 0,

CLI_OPT_USAGE_DEFAULT, "depth", "commit depth to check out " },

{ CLI_OPT_TYPE_LITERAL },

{ CLI_OPT_TYPE_ARG, "repository", 0, &remote_path, 0,

CLI_OPT_USAGE_REQUIRED, "repository", "repository path" },

{ CLI_OPT_TYPE_ARG, "directory", 0, &local_path, 0,

CLI_OPT_USAGE_DEFAULT, "directory", "directory to clone into" },

{ 0 }

};

static void print_help(void)

{

cli_opt_usage_fprint(stdout, PROGRAM_NAME, COMMAND_NAME, opts, 0);

printf("\n");

printf("Clone a repository into a new directory.\n");

printf("\n");

printf("Options:\n");

cli_opt_help_fprint(stdout, opts);

}

static char *compute_local_path(const char *orig_path)

{

const char *slash;

char *local_path;

if ((slash = strrchr(orig_path, '/')) == NULL &&

(slash = strrchr(orig_path, '\\')) == NULL)

local_path = git__strdup(orig_path);

else

local_path = git__strdup(slash + 1);

return local_path;

}

static int compute_depth(const char *depth)

{

int64_t i;

const char *endptr;

if (!depth)

return 0;

if (git__strntol64(&i, depth, strlen(depth), &endptr, 10) < 0 || i < 0 || i > INT_MAX || *endptr) {

fprintf(stderr, "fatal: depth '%s' is not valid.\n", depth);

exit(128);

}

return (int)i;

}

static bool validate_local_path(const char *path)

{

if (!git_fs_path_exists(path))

return false;

if (!git_fs_path_isdir(path) || !git_fs_path_is_empty_dir(path)) {

fprintf(stderr, "fatal: destination path '%s' already exists and is not an empty directory.\n",

path);

exit(128);

}

return true;

}

static void cleanup(void)

{

int rmdir_flags = GIT_RMDIR_REMOVE_FILES;

cli_progress_abort(&progress);

if (local_path_exists)

rmdir_flags |= GIT_RMDIR_SKIP_ROOT;

if (!git_fs_path_isdir(local_path))

return;

git_futils_rmdir_r(local_path, NULL, rmdir_flags);

}

static void interrupt_cleanup(void)

{

cleanup();

exit(130);

}

int cmd_clone(int argc, char **argv)

{

git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;

git_repository *repo = NULL;

cli_opt invalid_opt;

char *computed_path = NULL;

int ret = 0;

if (cli_opt_parse(&invalid_opt, opts, argv + 1, argc - 1, CLI_OPT_PARSE_GNU))

return cli_opt_usage_error(COMMAND_NAME, opts, &invalid_opt);

if (cli_opt__show_help) {

print_help();

return 0;

}

if (!remote_path) {

ret = cli_error_usage("you must specify a repository to clone");

goto done;

}

clone_opts.bare = !!bare;

clone_opts.checkout_branch = branch;

clone_opts.fetch_opts.depth = compute_depth(depth);

if (!checkout)

clone_opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_NONE;

if (!local_path)

local_path = computed_path = compute_local_path(remote_path);

local_path_exists = validate_local_path(local_path);

cli_sighandler_set_interrupt(interrupt_cleanup);

if (!local_path_exists &&

git_futils_mkdir(local_path, 0777, 0) < 0) {

ret = cli_error_git();

goto done;

}

if (!quiet) {

clone_opts.fetch_opts.callbacks.sideband_progress = cli_progress_fetch_sideband;

clone_opts.fetch_opts.callbacks.transfer_progress = cli_progress_fetch_transfer;

clone_opts.fetch_opts.callbacks.payload = &progress;

clone_opts.checkout_opts.progress_cb = cli_progress_checkout;

clone_opts.checkout_opts.progress_payload = &progress;

printf("Cloning into '%s'...\n", local_path);

}

if (git_clone(&repo, remote_path, local_path, &clone_opts) < 0) {

cleanup();

ret = cli_error_git();

goto done;

}

cli_progress_finish(&progress);

done:

cli_progress_dispose(&progress);

git__free(computed_path);

git_repository_free(repo);

return ret;

}