6 git-sh-setup - Common git shell script setup code
10 '. "$(git --exec-path)/git-sh-setup"'
15 This is not a command the end user would want to run. Ever.
16 This documentation is meant for people who are studying the
17 Porcelain-ish scripts and/or are writing new ones.
19 The 'git-sh-setup' scriptlet is designed to be sourced (using
20 `.`) by other shell scripts to set up some variables pointing at
21 the normal git directories and a few helper shell functions.
23 Before sourcing it, your script should set up a few variables;
24 `USAGE` (and `LONG_USAGE`, if any) is used to define message
25 given by `usage()` shell function. `SUBDIRECTORY_OK` can be set
26 if the script can run from a subdirectory of the working tree
27 (some commands do not).
29 The scriptlet sets `GIT_DIR` and `GIT_OBJECT_DIRECTORY` shell
30 variables, but does *not* export them to the environment.
36 exit after emitting the supplied error message to the
37 standard error stream.
40 die with the usage message.
43 set the message that will be recorded to describe the
44 end-user action in the reflog, when the script updates a
48 runs an editor of user's choice (GIT_EDITOR, core.editor, VISUAL or
49 EDITOR) on a given file, but error out if no editor is specified
50 and the terminal is dumb.
53 outputs `true` or `false` to the standard output stream
54 to indicate if the repository is a bare repository
55 (i.e. without an associated working tree).
58 runs chdir to the toplevel of the working tree.
61 checks if the repository is a bare repository, and dies
62 if so. Used by scripts that require working tree
65 get_author_ident_from_commit::
66 outputs code for use with eval to set the GIT_AUTHOR_NAME,
67 GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given commit.
72 Written by Linus Torvalds <torvalds@osdl.org>
76 Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
80 Part of the linkgit:git[1] suite