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48435 (tweaked): vcs_info docs: applied-string/unapplied-string: Correct an omission in the documentation and add an example.

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The example code is a reduced version of my function from workers/47519,
with one bug fixed.  (In workers/47519, if $1 doesn't contain spaces -
which is the case under hg mq - then $H and $s will be set to the same
value.)

Tweaked: Extended the contrib.yo hunk with details about mq.
This commit is contained in:
Daniel Shahaf
2021-04-07 20:22:58 +00:00
parent c40a63ab67
commit b110d6d5af
3 changed files with 67 additions and 3 deletions
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51
Misc/vcs_info-examples
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@@ -285,6 +285,54 @@ function +vi-hg-branchhead() {
}
### Show information about patch series
# This is used with with hg mq, quilt, and git rebases and conflicts.
#
# All these cases have a notion of a "series of patches/commits" that is being
# applied. The following shows the information about the most recent patch to
# have been applied:
zstyle ':vcs_info:*+gen-applied-string:*' hooks gen-applied-string
function +vi-gen-applied-string() {
# Separate the patch id from the patch log message.
if [[ $1 == *\ * ]]; then
local patch_name_or_filename="${1%% *}"
local patch_description="${1#* }"
else
local patch_name_or_filename="$1"
local patch_description=""
fi
# Apply escaping; see `Oddities' in the manual.
patch_name_or_filename=${patch_name_or_filename//'%'/%%}
patch_description=${patch_description//'%'/%%}
# Apply different colouring to the patch description.
if [[ -n ${patch_description} ]]; then
patch_description="%F{yellow}${patch_description}%f"
fi
# Re-assemble $1, escaped and coloured.
hook_com[applied-string]="${patch_name_or_filename} ${patch_description}"
ret=1
}
# The value of hook_com[applied-string] is incorporated into the %m expando
# (see the 'patch-format' style for details), which is not included in the
# 'formats' and 'actionformats' style by default, so to actually use this,
# you'll need to add %m (or %Q under quilt in add-on mode) to your 'formats'
# and 'actionformats' styles, as in:
#
# zstyle ':vcs_info:*' actionformats ' (%s)-[%b|%a]%u%c- %m'
# zstyle ':vcs_info:*' formats ' (%s)-[%b]%u%c- %m'
#
# Or you could add it as a new word, as in:
#
# zstyle ':vcs_info:*' actionformats ' (%s)-[%b|%a]%u%c-' '%m'
# zstyle ':vcs_info:*' formats ' (%s)-[%b]%u%c-' '%m'
#
# In the latter case, you will need to arrange to print ${vcs_info_msg_1_} in
# addition to ${vcs_info_msg_0_}; see the top of this file for details.
### Run vcs_info selectively to increase speed in large repos ################
# The following example shows a possible setup for vcs_info which displays
@@ -547,6 +595,9 @@ function +vi-set-quilt-patches() {
# This would take care of all the dedicated-patches-directory-in-${HOME}
# from earlier examples, too.
# Finally, the "Show information about patch series" example above this section
# may also be useful.
### Using vcs_info from CVS ##################################################