diff options
Diffstat (limited to 'Documentation/git-submodule.txt')
| -rw-r--r-- | Documentation/git-submodule.txt | 81 |
1 files changed, 45 insertions, 36 deletions
diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index 2c25916f8f..9226c4380c 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -13,10 +13,10 @@ SYNOPSIS [--reference <repository>] [--depth <depth>] [--] <repository> [<path>] 'git submodule' [--quiet] status [--cached] [--recursive] [--] [<path>...] 'git submodule' [--quiet] init [--] [<path>...] -'git submodule' [--quiet] deinit [-f|--force] [--] <path>... +'git submodule' [--quiet] deinit [-f|--force] (--all|[--] <path>...) 'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--rebase|--merge] [--reference <repository>] - [--depth <depth>] [--recursive] [--] [<path>...] + [--depth <depth>] [--recursive] [--jobs <n>] [--] [<path>...] 'git submodule' [--quiet] summary [--cached|--files] [(-n|--summary-limit) <n>] [commit] [--] [<path>...] 'git submodule' [--quiet] foreach [--recursive] <command> @@ -25,22 +25,17 @@ SYNOPSIS DESCRIPTION ----------- -Submodules allow foreign repositories to be embedded within -a dedicated subdirectory of the source tree, always pointed -at a particular commit. +Inspects, updates and manages submodules. -They are not to be confused with remotes, which are meant mainly -for branches of the same project; submodules are meant for -different projects you would like to make part of your source tree, -while the history of the two projects still stays completely -independent and you cannot modify the contents of the submodule -from within the main project. -If you want to merge the project histories and want to treat the -aggregated whole as a single project from then on, you may want to -add a remote for the other project and use the 'subtree' merge strategy, -instead of treating the other project as a submodule. Directories -that come from both projects can be cloned and checked out as a whole -if you choose to go that route. +A submodule allows you to keep another Git repository in a subdirectory +of your repository. The other repository has its own history, which does not +interfere with the history of the current repository. This can be used to +have external dependencies such as third party libraries for example. + +When cloning or pulling a repository containing submodules however, +these will not be checked out by default; the 'init' and 'update' +subcommands will maintain submodules checked out and at +appropriate revision in your working tree. Submodules are composed from a so-called `gitlink` tree entry in the main repository that refers to a particular commit object @@ -51,19 +46,18 @@ describes the default URL the submodule shall be cloned from. The logical name can be used for overriding this URL within your local repository configuration (see 'submodule init'). -This command will manage the tree entries and contents of the -gitmodules file for you, as well as inspect the status of your -submodules and update them. -When adding a new submodule to the tree, the 'add' subcommand -is to be used. However, when pulling a tree containing submodules, -these will not be checked out by default; -the 'init' and 'update' subcommands will maintain submodules -checked out and at appropriate revision in your working tree. -You can briefly inspect the up-to-date status of your submodules -using the 'status' subcommand and get a detailed overview of the -difference between the index and checkouts using the 'summary' -subcommand. - +Submodules are not to be confused with remotes, which are other +repositories of the same project; submodules are meant for +different projects you would like to make part of your source tree, +while the history of the two projects still stays completely +independent and you cannot modify the contents of the submodule +from within the main project. +If you want to merge the project histories and want to treat the +aggregated whole as a single project from then on, you may want to +add a remote for the other project and use the 'subtree' merge strategy, +instead of treating the other project as a submodule. Directories +that come from both projects can be cloned and checked out as a whole +if you choose to go that route. COMMANDS -------- @@ -146,12 +140,15 @@ deinit:: tree. Further calls to `git submodule update`, `git submodule foreach` and `git submodule sync` will skip any unregistered submodules until they are initialized again, so use this command if you don't want to - have a local checkout of the submodule in your work tree anymore. If + have a local checkout of the submodule in your working tree anymore. If you really want to remove a submodule from the repository and commit that use linkgit:git-rm[1] instead. + -If `--force` is specified, the submodule's work tree will be removed even if -it contains local modifications. +When the command is run without pathspec, it errors out, +instead of deinit-ing everything, to prevent mistakes. ++ +If `--force` is specified, the submodule's working tree will +be removed even if it contains local modifications. update:: + @@ -243,6 +240,9 @@ sync:: + "git submodule sync" synchronizes all submodules while "git submodule sync \-- A" synchronizes submodule "A" only. ++ +If `--recursive` is specified, this command will recurse into the +registered submodules, and sync any nested submodules within. OPTIONS ------- @@ -250,6 +250,10 @@ OPTIONS --quiet:: Only print error messages. +--all:: + This option is only valid for the deinit command. Unregister all + submodules in the working tree. + -b:: --branch:: Branch of repository to add as submodule. @@ -260,8 +264,8 @@ OPTIONS --force:: This option is only valid for add, deinit and update commands. When running add, allow adding an otherwise ignored submodule path. - When running deinit the submodule work trees will be removed even if - they contain local changes. + When running deinit the submodule working trees will be removed even + if they contain local changes. When running update (only effective with the checkout procedure), throw away local changes in submodules when switching to a different commit; and always run a checkout operation in the @@ -370,7 +374,7 @@ the submodule itself. for linkgit:git-clone[1]'s `--reference` and `--shared` options carefully. --recursive:: - This option is only valid for foreach, update and status commands. + This option is only valid for foreach, update, status and sync commands. Traverse submodules recursively. The operation is performed not only in the submodules of the current repo, but also in any nested submodules inside those submodules (and so on). @@ -380,6 +384,11 @@ for linkgit:git-clone[1]'s `--reference` and `--shared` options carefully. clone with a history truncated to the specified number of revisions. See linkgit:git-clone[1] +-j <n>:: +--jobs <n>:: + This option is only valid for the update command. + Clone new submodules in parallel with as many jobs. + Defaults to the `submodule.fetchJobs` option. <path>...:: Paths to submodule(s). When specified this will restrict the command |