git-sh-i18n--envsubst: our own envsubst(1) for eval_gettext()

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 0c0f54c30e4db1db326aa468bbef90a379f478ad..c96aec10d8124f77f558e4ee5fa0f277ccb7b3d3 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -587,6 +587,8 @@ it will be treated as a shell command.  For example, defining
 "gitk --all --not ORIG_HEAD".  Note that shell commands will be
 executed from the top-level directory of a repository, which may
 not necessarily be the current directory.
+'GIT_PREFIX' is set as returned by running 'git rev-parse --show-prefix'
+from the original current directory. See linkgit:git-rev-parse[1].
 
 am.keepcr::
        If true, git-am will call git-mailsplit for patches in mbox format