From fec98a13fdb28a5b8ceced9630516ef9e7f25694 Mon Sep 17 00:00:00 2001 From: Daniel Shahaf Date: Sat, 21 Dec 2019 15:58:24 +0000 Subject: 45116: vcs_info examples: Add an example of showing Git environment variables. --- Misc/vcs_info-examples | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'Misc/vcs_info-examples') diff --git a/Misc/vcs_info-examples b/Misc/vcs_info-examples index c46fad93a..028fe62b0 100644 --- a/Misc/vcs_info-examples +++ b/Misc/vcs_info-examples @@ -222,6 +222,31 @@ zstyle -e ':vcs_info:git+set-message:*' hooks 'reply=( ${${(k)functions[(I)[+]vi # Both of these functions would be called, even if they are defined after the zstyle is set. +## git: Display pertinent environment variables +# If environment variables such as $GIT_DIR, $GIT_WORK_TREE, etc are set in the +# environment, they'll be shown in the value of the %m expando. +# +# Note that the %m expando is not used by default. To see a change, either change +# `[misc]' to `[branch]', or set the `formats` style to a value that includes `%m'. +zstyle ':vcs_info:git+post-backend:*' hooks git-post-backend-envvars ++vi-git-post-backend-envvars() { + local param + # This uses the ${parameters} special variable (provided by the zsh/parameter + # module), in conjunction with the parameter expansion flags ${(k)foo} and + # ${(M)foo:#pattern} (documented in "Parameter Expansion" in zshexpn(1)) + # and the (R) subscript flag (documented in "Subscript Flags" in zshparam(1)), + # to iterate over the names of all environment variables named "GIT_*". Then + # it uses the ${(P)foo} parameter expansion flag to show the values of those + # parameters. + # + # The value of ${hook_com[misc]} is substituted for %m in the values of the + # 'formats' and 'actionformats' styles. + for param in ${(Mk)parameters[(R)*export*]:#GIT_*}; do + hook_com[misc]+=";%U${param//'%'/%%}%u=%F{white}${${(P)param}//'%'/%%}%f" + done +} + + ### hg: Show marker when the working directory is not on a branch head # This may indicate that running `hg up` will do something # NOTE: the branchheads.cache file is not updated with every Mercurial -- cgit 1.4.1