is not detected to lie in a Git repository or work tree
print a message to stderr and exit with nonzero status.
+--git-common-dir::
+ Show `$GIT_COMMON_DIR` if defined, else `$GIT_DIR`.
+
--is-inside-git-dir::
When the current working directory is below the repository
directory print "true", otherwise "false".
repository. If <path> is a gitfile then the resolved path
to the real repository is printed.
+--git-path <path>::
+ Resolve "$GIT_DIR/<path>" and takes other path relocation
+ variables such as $GIT_OBJECT_DIRECTORY,
+ $GIT_INDEX_FILE... into account. For example, if
+ $GIT_OBJECT_DIRECTORY is set to /foo/bar then "git rev-parse
+ --git-path objects/abc" returns /foo/bar/abc.
+
--show-cdup::
When the command is invoked from a subdirectory, show the
path of the top-level directory relative to the current
`<opt-spec>`::
its format is the short option character, then the long option name
separated by a comma. Both parts are not required, though at least one
- is necessary. `h,help`, `dry-run` and `f` are all three correct
- `<opt-spec>`.
+ is necessary. May not contain any of the `<flags>` characters.
+ `h,help`, `dry-run` and `f` are examples of correct `<opt-spec>`.
`<flags>`::
`<flags>` are of `*`, `=`, `?` or `!`.