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author | Vincent Ambo <Vincent Ambo> | 2020-01-11T23·36+0000 |
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committer | Vincent Ambo <Vincent Ambo> | 2020-01-11T23·36+0000 |
commit | 1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 (patch) | |
tree | e3accb9beed5c4c1b5a05c99db71ab2841f0ed04 /Documentation/config.txt |
Squashed 'third_party/git/' content from commit cb71568594
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diff --git a/Documentation/config.txt b/Documentation/config.txt new file mode 100644 index 000000000000..e3f5bc3396d0 --- /dev/null +++ b/Documentation/config.txt @@ -0,0 +1,460 @@ +CONFIGURATION FILE +------------------ + +The Git configuration file contains a number of variables that affect +the Git commands' behavior. The files `.git/config` and optionally +`config.worktree` (see `extensions.worktreeConfig` below) in each +repository are used to store the configuration for that repository, and +`$HOME/.gitconfig` is used to store a per-user configuration as +fallback values for the `.git/config` file. The file `/etc/gitconfig` +can be used to store a system-wide default configuration. + +The configuration variables are used by both the Git plumbing +and the porcelains. The variables are divided into sections, wherein +the fully qualified variable name of the variable itself is the last +dot-separated segment and the section name is everything before the last +dot. The variable names are case-insensitive, allow only alphanumeric +characters and `-`, and must start with an alphabetic character. Some +variables may appear multiple times; we say then that the variable is +multivalued. + +Syntax +~~~~~~ + +The syntax is fairly flexible and permissive; whitespaces are mostly +ignored. The '#' and ';' characters begin comments to the end of line, +blank lines are ignored. + +The file consists of sections and variables. A section begins with +the name of the section in square brackets and continues until the next +section begins. Section names are case-insensitive. Only alphanumeric +characters, `-` and `.` are allowed in section names. Each variable +must belong to some section, which means that there must be a section +header before the first setting of a variable. + +Sections can be further divided into subsections. To begin a subsection +put its name in double quotes, separated by space from the section name, +in the section header, like in the example below: + +-------- + [section "subsection"] + +-------- + +Subsection names are case sensitive and can contain any characters except +newline and the null byte. Doublequote `"` and backslash can be included +by escaping them as `\"` and `\\`, respectively. Backslashes preceding +other characters are dropped when reading; for example, `\t` is read as +`t` and `\0` is read as `0` Section headers cannot span multiple lines. +Variables may belong directly to a section or to a given subsection. You +can have `[section]` if you have `[section "subsection"]`, but you don't +need to. + +There is also a deprecated `[section.subsection]` syntax. With this +syntax, the subsection name is converted to lower-case and is also +compared case sensitively. These subsection names follow the same +restrictions as section names. + +All the other lines (and the remainder of the line after the section +header) are recognized as setting variables, in the form +'name = value' (or just 'name', which is a short-hand to say that +the variable is the boolean "true"). +The variable names are case-insensitive, allow only alphanumeric characters +and `-`, and must start with an alphabetic character. + +A line that defines a value can be continued to the next line by +ending it with a `\`; the backquote and the end-of-line are +stripped. Leading whitespaces after 'name =', the remainder of the +line after the first comment character '#' or ';', and trailing +whitespaces of the line are discarded unless they are enclosed in +double quotes. Internal whitespaces within the value are retained +verbatim. + +Inside double quotes, double quote `"` and backslash `\` characters +must be escaped: use `\"` for `"` and `\\` for `\`. + +The following escape sequences (beside `\"` and `\\`) are recognized: +`\n` for newline character (NL), `\t` for horizontal tabulation (HT, TAB) +and `\b` for backspace (BS). Other char escape sequences (including octal +escape sequences) are invalid. + + +Includes +~~~~~~~~ + +The `include` and `includeIf` sections allow you to include config +directives from another source. These sections behave identically to +each other with the exception that `includeIf` sections may be ignored +if their condition does not evaluate to true; see "Conditional includes" +below. + +You can include a config file from another by setting the special +`include.path` (or `includeIf.*.path`) variable to the name of the file +to be included. The variable takes a pathname as its value, and is +subject to tilde expansion. These variables can be given multiple times. + +The contents of the included file are inserted immediately, as if they +had been found at the location of the include directive. If the value of the +variable is a relative path, the path is considered to +be relative to the configuration file in which the include directive +was found. See below for examples. + +Conditional includes +~~~~~~~~~~~~~~~~~~~~ + +You can include a config file from another conditionally by setting a +`includeIf.<condition>.path` variable to the name of the file to be +included. + +The condition starts with a keyword followed by a colon and some data +whose format and meaning depends on the keyword. Supported keywords +are: + +`gitdir`:: + + The data that follows the keyword `gitdir:` is used as a glob + pattern. If the location of the .git directory matches the + pattern, the include condition is met. ++ +The .git location may be auto-discovered, or come from `$GIT_DIR` +environment variable. If the repository is auto discovered via a .git +file (e.g. from submodules, or a linked worktree), the .git location +would be the final location where the .git directory is, not where the +.git file is. ++ +The pattern can contain standard globbing wildcards and two additional +ones, `**/` and `/**`, that can match multiple path components. Please +refer to linkgit:gitignore[5] for details. For convenience: + + * If the pattern starts with `~/`, `~` will be substituted with the + content of the environment variable `HOME`. + + * If the pattern starts with `./`, it is replaced with the directory + containing the current config file. + + * If the pattern does not start with either `~/`, `./` or `/`, `**/` + will be automatically prepended. For example, the pattern `foo/bar` + becomes `**/foo/bar` and would match `/any/path/to/foo/bar`. + + * If the pattern ends with `/`, `**` will be automatically added. For + example, the pattern `foo/` becomes `foo/**`. In other words, it + matches "foo" and everything inside, recursively. + +`gitdir/i`:: + This is the same as `gitdir` except that matching is done + case-insensitively (e.g. on case-insensitive file sytems) + +`onbranch`:: + The data that follows the keyword `onbranch:` is taken to be a + pattern with standard globbing wildcards and two additional + ones, `**/` and `/**`, that can match multiple path components. + If we are in a worktree where the name of the branch that is + currently checked out matches the pattern, the include condition + is met. ++ +If the pattern ends with `/`, `**` will be automatically added. For +example, the pattern `foo/` becomes `foo/**`. In other words, it matches +all branches that begin with `foo/`. This is useful if your branches are +organized hierarchically and you would like to apply a configuration to +all the branches in that hierarchy. + +A few more notes on matching via `gitdir` and `gitdir/i`: + + * Symlinks in `$GIT_DIR` are not resolved before matching. + + * Both the symlink & realpath versions of paths will be matched + outside of `$GIT_DIR`. E.g. if ~/git is a symlink to + /mnt/storage/git, both `gitdir:~/git` and `gitdir:/mnt/storage/git` + will match. ++ +This was not the case in the initial release of this feature in +v2.13.0, which only matched the realpath version. Configuration that +wants to be compatible with the initial release of this feature needs +to either specify only the realpath version, or both versions. + + * Note that "../" is not special and will match literally, which is + unlikely what you want. + +Example +~~~~~~~ + + # Core variables + [core] + ; Don't trust file modes + filemode = false + + # Our diff algorithm + [diff] + external = /usr/local/bin/diff-wrapper + renames = true + + [branch "devel"] + remote = origin + merge = refs/heads/devel + + # Proxy settings + [core] + gitProxy="ssh" for "kernel.org" + gitProxy=default-proxy ; for the rest + + [include] + path = /path/to/foo.inc ; include by absolute path + path = foo.inc ; find "foo.inc" relative to the current file + path = ~/foo.inc ; find "foo.inc" in your `$HOME` directory + + ; include if $GIT_DIR is /path/to/foo/.git + [includeIf "gitdir:/path/to/foo/.git"] + path = /path/to/foo.inc + + ; include for all repositories inside /path/to/group + [includeIf "gitdir:/path/to/group/"] + path = /path/to/foo.inc + + ; include for all repositories inside $HOME/to/group + [includeIf "gitdir:~/to/group/"] + path = /path/to/foo.inc + + ; relative paths are always relative to the including + ; file (if the condition is true); their location is not + ; affected by the condition + [includeIf "gitdir:/path/to/group/"] + path = foo.inc + + ; include only if we are in a worktree where foo-branch is + ; currently checked out + [includeIf "onbranch:foo-branch"] + path = foo.inc + +Values +~~~~~~ + +Values of many variables are treated as a simple string, but there +are variables that take values of specific types and there are rules +as to how to spell them. + +boolean:: + + When a variable is said to take a boolean value, many + synonyms are accepted for 'true' and 'false'; these are all + case-insensitive. + + true;; Boolean true literals are `yes`, `on`, `true`, + and `1`. Also, a variable defined without `= <value>` + is taken as true. + + false;; Boolean false literals are `no`, `off`, `false`, + `0` and the empty string. ++ +When converting a value to its canonical form using the `--type=bool` type +specifier, 'git config' will ensure that the output is "true" or +"false" (spelled in lowercase). + +integer:: + The value for many variables that specify various sizes can + be suffixed with `k`, `M`,... to mean "scale the number by + 1024", "by 1024x1024", etc. + +color:: + The value for a variable that takes a color is a list of + colors (at most two, one for foreground and one for background) + and attributes (as many as you want), separated by spaces. ++ +The basic colors accepted are `normal`, `black`, `red`, `green`, `yellow`, +`blue`, `magenta`, `cyan` and `white`. The first color given is the +foreground; the second is the background. ++ +Colors may also be given as numbers between 0 and 255; these use ANSI +256-color mode (but note that not all terminals may support this). If +your terminal supports it, you may also specify 24-bit RGB values as +hex, like `#ff0ab3`. ++ +The accepted attributes are `bold`, `dim`, `ul`, `blink`, `reverse`, +`italic`, and `strike` (for crossed-out or "strikethrough" letters). +The position of any attributes with respect to the colors +(before, after, or in between), doesn't matter. Specific attributes may +be turned off by prefixing them with `no` or `no-` (e.g., `noreverse`, +`no-ul`, etc). ++ +An empty color string produces no color effect at all. This can be used +to avoid coloring specific elements without disabling color entirely. ++ +For git's pre-defined color slots, the attributes are meant to be reset +at the beginning of each item in the colored output. So setting +`color.decorate.branch` to `black` will paint that branch name in a +plain `black`, even if the previous thing on the same output line (e.g. +opening parenthesis before the list of branch names in `log --decorate` +output) is set to be painted with `bold` or some other attribute. +However, custom log formats may do more complicated and layered +coloring, and the negated forms may be useful there. + +pathname:: + A variable that takes a pathname value can be given a + string that begins with "`~/`" or "`~user/`", and the usual + tilde expansion happens to such a string: `~/` + is expanded to the value of `$HOME`, and `~user/` to the + specified user's home directory. + + +Variables +~~~~~~~~~ + +Note that this list is non-comprehensive and not necessarily complete. +For command-specific variables, you will find a more detailed description +in the appropriate manual page. + +Other git-related tools may and do use their own variables. When +inventing new variables for use in your own tool, make sure their +names do not conflict with those that are used by Git itself and +other popular tools, and describe them in your documentation. + +include::config/advice.txt[] + +include::config/core.txt[] + +include::config/add.txt[] + +include::config/alias.txt[] + +include::config/am.txt[] + +include::config/apply.txt[] + +include::config/blame.txt[] + +include::config/branch.txt[] + +include::config/browser.txt[] + +include::config/checkout.txt[] + +include::config/clean.txt[] + +include::config/color.txt[] + +include::config/column.txt[] + +include::config/commit.txt[] + +include::config/credential.txt[] + +include::config/completion.txt[] + +include::config/diff.txt[] + +include::config/difftool.txt[] + +include::config/fastimport.txt[] + +include::config/fetch.txt[] + +include::config/format.txt[] + +include::config/filter.txt[] + +include::config/fsck.txt[] + +include::config/gc.txt[] + +include::config/gitcvs.txt[] + +include::config/gitweb.txt[] + +include::config/grep.txt[] + +include::config/gpg.txt[] + +include::config/gui.txt[] + +include::config/guitool.txt[] + +include::config/help.txt[] + +include::config/http.txt[] + +include::config/i18n.txt[] + +include::config/imap.txt[] + +include::config/index.txt[] + +include::config/init.txt[] + +include::config/instaweb.txt[] + +include::config/interactive.txt[] + +include::config/log.txt[] + +include::config/mailinfo.txt[] + +include::config/mailmap.txt[] + +include::config/man.txt[] + +include::config/merge.txt[] + +include::config/mergetool.txt[] + +include::config/notes.txt[] + +include::config/pack.txt[] + +include::config/pager.txt[] + +include::config/pretty.txt[] + +include::config/protocol.txt[] + +include::config/pull.txt[] + +include::config/push.txt[] + +include::config/rebase.txt[] + +include::config/receive.txt[] + +include::config/remote.txt[] + +include::config/remotes.txt[] + +include::config/repack.txt[] + +include::config/rerere.txt[] + +include::config/reset.txt[] + +include::config/sendemail.txt[] + +include::config/sequencer.txt[] + +include::config/showbranch.txt[] + +include::config/splitindex.txt[] + +include::config/ssh.txt[] + +include::config/status.txt[] + +include::config/stash.txt[] + +include::config/submodule.txt[] + +include::config/tag.txt[] + +include::config/trace2.txt[] + +include::config/transfer.txt[] + +include::config/uploadarchive.txt[] + +include::config/uploadpack.txt[] + +include::config/url.txt[] + +include::config/user.txt[] + +include::config/versionsort.txt[] + +include::config/web.txt[] + +include::config/worktree.txt[] |