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1 | git-checkout-index(1) | |
2 | ===================== | |
3 | ||
4 | NAME | |
5 | ---- | |
6 | git-checkout-index - Copy files from the index to the working tree | |
7 | ||
8 | ||
9 | SYNOPSIS | |
10 | -------- | |
11 | [verse] | |
12 | 'git checkout-index' [-u] [-q] [-a] [-f] [-n] [--prefix=<string>] | |
13 | [--stage=<number>|all] | |
14 | [--temp] | |
15 | [-z] [--stdin] | |
16 | [--] [<file>...] | |
17 | ||
18 | DESCRIPTION | |
19 | ----------- | |
20 | Will copy all files listed from the index to the working directory | |
21 | (not overwriting existing files). | |
22 | ||
23 | OPTIONS | |
24 | ------- | |
25 | -u:: | |
26 | --index:: | |
27 | update stat information for the checked out entries in | |
28 | the index file. | |
29 | ||
30 | -q:: | |
31 | --quiet:: | |
32 | be quiet if files exist or are not in the index | |
33 | ||
34 | -f:: | |
35 | --force:: | |
36 | forces overwrite of existing files | |
37 | ||
38 | -a:: | |
39 | --all:: | |
40 | checks out all files in the index. Cannot be used | |
41 | together with explicit filenames. | |
42 | ||
43 | -n:: | |
44 | --no-create:: | |
45 | Don't checkout new files, only refresh files already checked | |
46 | out. | |
47 | ||
48 | --prefix=<string>:: | |
49 | When creating files, prepend <string> (usually a directory | |
50 | including a trailing /) | |
51 | ||
52 | --stage=<number>|all:: | |
53 | Instead of checking out unmerged entries, copy out the | |
54 | files from named stage. <number> must be between 1 and 3. | |
55 | Note: --stage=all automatically implies --temp. | |
56 | ||
57 | --temp:: | |
58 | Instead of copying the files to the working directory | |
59 | write the content to temporary files. The temporary name | |
60 | associations will be written to stdout. | |
61 | ||
62 | --stdin:: | |
63 | Instead of taking list of paths from the command line, | |
64 | read list of paths from the standard input. Paths are | |
65 | separated by LF (i.e. one path per line) by default. | |
66 | ||
67 | -z:: | |
68 | Only meaningful with `--stdin`; paths are separated with | |
69 | NUL character instead of LF. | |
70 | ||
71 | \--:: | |
72 | Do not interpret any more arguments as options. | |
73 | ||
74 | The order of the flags used to matter, but not anymore. | |
75 | ||
76 | Just doing `git checkout-index` does nothing. You probably meant | |
77 | `git checkout-index -a`. And if you want to force it, you want | |
78 | `git checkout-index -f -a`. | |
79 | ||
80 | Intuitiveness is not the goal here. Repeatability is. The reason for | |
81 | the "no arguments means no work" behavior is that from scripts you are | |
82 | supposed to be able to do: | |
83 | ||
84 | ---------------- | |
85 | $ find . -name '*.h' -print0 | xargs -0 git checkout-index -f -- | |
86 | ---------------- | |
87 | ||
88 | which will force all existing `*.h` files to be replaced with their | |
89 | cached copies. If an empty command line implied "all", then this would | |
90 | force-refresh everything in the index, which was not the point. But | |
91 | since 'git checkout-index' accepts --stdin it would be faster to use: | |
92 | ||
93 | ---------------- | |
94 | $ find . -name '*.h' -print0 | git checkout-index -f -z --stdin | |
95 | ---------------- | |
96 | ||
97 | The `--` is just a good idea when you know the rest will be filenames; | |
98 | it will prevent problems with a filename of, for example, `-a`. | |
99 | Using `--` is probably a good policy in scripts. | |
100 | ||
101 | ||
102 | Using --temp or --stage=all | |
103 | --------------------------- | |
104 | When `--temp` is used (or implied by `--stage=all`) | |
105 | 'git checkout-index' will create a temporary file for each index | |
106 | entry being checked out. The index will not be updated with stat | |
107 | information. These options can be useful if the caller needs all | |
108 | stages of all unmerged entries so that the unmerged files can be | |
109 | processed by an external merge tool. | |
110 | ||
111 | A listing will be written to stdout providing the association of | |
112 | temporary file names to tracked path names. The listing format | |
113 | has two variations: | |
114 | ||
115 | . tempname TAB path RS | |
116 | + | |
117 | The first format is what gets used when `--stage` is omitted or | |
118 | is not `--stage=all`. The field tempname is the temporary file | |
119 | name holding the file content and path is the tracked path name in | |
120 | the index. Only the requested entries are output. | |
121 | ||
122 | . stage1temp SP stage2temp SP stage3tmp TAB path RS | |
123 | + | |
124 | The second format is what gets used when `--stage=all`. The three | |
125 | stage temporary fields (stage1temp, stage2temp, stage3temp) list the | |
126 | name of the temporary file if there is a stage entry in the index | |
127 | or `.` if there is no stage entry. Paths which only have a stage 0 | |
128 | entry will always be omitted from the output. | |
129 | ||
130 | In both formats RS (the record separator) is newline by default | |
131 | but will be the null byte if -z was passed on the command line. | |
132 | The temporary file names are always safe strings; they will never | |
133 | contain directory separators or whitespace characters. The path | |
134 | field is always relative to the current directory and the temporary | |
135 | file names are always relative to the top level directory. | |
136 | ||
137 | If the object being copied out to a temporary file is a symbolic | |
138 | link the content of the link will be written to a normal file. It is | |
139 | up to the end-user or the Porcelain to make use of this information. | |
140 | ||
141 | ||
142 | EXAMPLES | |
143 | -------- | |
144 | To update and refresh only the files already checked out:: | |
145 | + | |
146 | ---------------- | |
147 | $ git checkout-index -n -f -a && git update-index --ignore-missing --refresh | |
148 | ---------------- | |
149 | ||
150 | Using 'git checkout-index' to "export an entire tree":: | |
151 | The prefix ability basically makes it trivial to use | |
152 | 'git checkout-index' as an "export as tree" function. | |
153 | Just read the desired tree into the index, and do: | |
154 | + | |
155 | ---------------- | |
156 | $ git checkout-index --prefix=git-export-dir/ -a | |
157 | ---------------- | |
158 | + | |
159 | `git checkout-index` will "export" the index into the specified | |
160 | directory. | |
161 | + | |
162 | The final "/" is important. The exported name is literally just | |
163 | prefixed with the specified string. Contrast this with the | |
164 | following example. | |
165 | ||
166 | Export files with a prefix:: | |
167 | + | |
168 | ---------------- | |
169 | $ git checkout-index --prefix=.merged- Makefile | |
170 | ---------------- | |
171 | + | |
172 | This will check out the currently cached copy of `Makefile` | |
173 | into the file `.merged-Makefile`. | |
174 | ||
175 | GIT | |
176 | --- | |
177 | Part of the linkgit:git[1] suite |