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Fix git_commits_{ahead,before} when no upstream branch is defined (#6658)

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If @{u} is not defined, git rev-list will give an error; redirect
to stderr the error and deal with this case in what follows.
This commit is contained in:
Jacopo De Simoi 2018-04-15 12:44:48 -04:00 committed by Marc Cornellà
parent 2fce6a0faf
commit ccd02866f6
1 changed files with 4 additions and 4 deletions
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8
lib/git.zsh
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@ -77,8 +77,8 @@ function git_current_branch() {
# Gets the number of commits ahead from remote
function git_commits_ahead() {
if command git rev-parse --git-dir &>/dev/null; then
local commits="$(git rev-list --count @{upstream}..HEAD)"
if [[ "$commits" != 0 ]]; then
local commits="$(git rev-list --count @{upstream}..HEAD 2>/dev/null)"
if [[ -n "$commits" && "$commits" != 0 ]]; then
echo "$ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX$commits$ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX"
fi
fi
@ -87,8 +87,8 @@ function git_commits_ahead() {
# Gets the number of commits behind remote
function git_commits_behind() {
if command git rev-parse --git-dir &>/dev/null; then
local commits="$(git rev-list --count HEAD..@{upstream})"
if [[ "$commits" != 0 ]]; then
local commits="$(git rev-list --count HEAD..@{upstream} 2>/dev/null)"
if [[ -n "$commits" && "$commits" != 0 ]]; then
echo "$ZSH_THEME_GIT_COMMITS_BEHIND_PREFIX$commits$ZSH_THEME_GIT_COMMITS_BEHIND_SUFFIX"
fi
fi