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45116: vcs_info examples: Add an example of showing Git environment variables.

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Daniel Shahaf 2019-12-21 15:58:24 +00:00
parent fa7e3146fa
commit fec98a13fd
2 changed files with 28 additions and 0 deletions
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@ -1,5 +1,8 @@
2019-12-22 Daniel Shahaf <danielsh@apache.org>
* 45116: Misc/vcs_info-examples: vcs_info examples: Add an
example of showing Git environment variables.
* 45107: Test/ztst.vim: Highlight some more special variables
* 45108: Test/ztst.vim: Conceal the '>' or '?' on pattern

25
Misc/vcs_info-examples
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@ -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