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Add diverged context to git-info

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that, when defined, will be set if branch is both ahead and behind of
remote. If not defined, the `ahead` and `behind` contexts will still be
set, as how they worked previously.
This commit is contained in:
Eric Nielsen 2017-03-15 09:29:03 -05:00 committed by Matt Hamilton
parent f97e43a39f
commit 53aef5a05c
2 changed files with 32 additions and 18 deletions
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14
modules/git-info/README.md
View file

@ -48,16 +48,22 @@ a style is:
| action | %s | Special action name (see Special Action Contexts below)
| ahead | %A | Commits ahead of remote count
| behind | %B | Commits behind of remote count
| diverged | %V | Diverged commits (both ahead and behind are yield when it's not defined)
| branch | %b | Branch name
| commit | %c | Commit short hash (when in 'detached HEAD' state)
| clean | %C | Clean state
| dirty | %D | Dirty state (count with untracked files if verbose enabled)
| indexed | %i | Indexed files (count if verbose enabled)
| unindexed | %I | Unindexed files (count if verbose enabled)
| dirty | %D | Dirty state (count with untracked files when verbose mode enabled)
| indexed | %i | Indexed files (count when verbose mode enabled)
| unindexed | %I | Unindexed files (count when verbose mode enabled)
| position | %p | Commits from nearest tag count (when in 'detached HEAD' state)
| remote | %R | Remote name
| stashed | %S | Stashed states count
| untracked | %u | Untracked files count (only if verbose enabled)
| untracked | %u | Untracked files count (only when verbose mode enabled)
While `commit` and `position` are only available when in ['detached HEAD'
state](http://gitfaq.org/articles/what-is-a-detached-head.html), on the other
hand, `ahead`, `behind`, `diverged`, `branch` and `remote` are only available
when an actual branch is checked out (so when **not** in 'detached HEAD' state).
### Special Action Contexts

36
modules/git-info/init.zsh
View file

@ -5,7 +5,7 @@
# Gets the Git special action (am, bisect, cherry, merge, rebase).
# Borrowed from vcs_info and edited.
function _git-action {
_git-action() {
local git_dir=$(git-dir)
local action_dir
for action_dir in \
@ -87,7 +87,7 @@ function _git-action {
}
# Gets the Git status information.
function git-info {
git-info() {
# Extended globbing is needed to parse repository status.
setopt LOCAL_OPTIONS EXTENDED_GLOB
@ -148,6 +148,7 @@ function git-info {
local behind_formatted
local branch_formatted
local commit_formatted
local diverged_formatted
local position_formatted
local remote_formatted
if [[ -n ${branch} ]]; then
@ -172,25 +173,31 @@ function git-info {
local ahead_format
local behind_format
local diverged_format
zstyle -s ':zim:git-info:ahead' format 'ahead_format'
zstyle -s ':zim:git-info:behind' format 'behind_format'
if [[ -n ${ahead_format} || -n ${behind_format} ]]; then
zstyle -s ':zim:git-info:diverged' format 'diverged_format'
if [[ -n ${ahead_format} || -n ${behind_format} || -n ${diverged_format} ]]; then
# Gets the commit difference counts between local and remote.
local ahead_and_behind_cmd='git rev-list --count --left-right HEAD...@{upstream}'
# Get ahead and behind counts.
local ahead_and_behind=$(${(z)ahead_and_behind_cmd} 2>/dev/null)
local ahead=${ahead_and_behind[(w)1]}
local behind=${ahead_and_behind[(w)2]}
# Format ahead.
if [[ -n ${ahead_format} ]]; then
local ahead=${ahead_and_behind[(w)1]}
(( ahead )) && zformat -f ahead_formatted ${ahead_format} "A:${ahead}"
fi
# Format behind.
if [[ -n ${behind_format} ]]; then
local behind=${ahead_and_behind[(w)2]}
(( behind )) && zformat -f behind_formatted ${behind_format} "B:${behind}"
if [[ -n ${diverged_format} && ${ahead} -gt 0 && ${behind} -gt 0 ]]; then
# Format diverged.
diverged_formatted=${diverged_format}
else
# Format ahead.
if [[ -n ${ahead_format} && ${ahead} -gt 0 ]]; then
zformat -f ahead_formatted ${ahead_format} "A:${ahead}"
fi
# Format behind.
if [[ -n ${behind_format} && ${behind} -gt 0 ]]; then
zformat -f behind_formatted ${behind_format} "B:${behind}"
fi
fi
fi
else
@ -328,7 +335,8 @@ function git-info {
"R:${remote_formatted}" \
"s:${action_formatted}" \
"S:${stashed_formatted}" \
"u:${untracked_formatted}"
"u:${untracked_formatted}" \
"V:${diverged_formatted}"
git_info[${info_format}]=${reply}
done