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-rw-r--r--.zsh/functions/update_current_git_vars30
1 files changed, 30 insertions, 0 deletions
diff --git a/.zsh/functions/update_current_git_vars b/.zsh/functions/update_current_git_vars
new file mode 100644
index 0000000..71f37e7
--- /dev/null
+++ b/.zsh/functions/update_current_git_vars
@@ -0,0 +1,30 @@
+# -*- mode: Shell-script -*-
+unset __CURRENT_GIT_BRANCH
+unset __CURRENT_GIT_BRANCH_STATUS
+unset __CURRENT_GIT_BRANCH_IS_DIRTY
+
+local st="$(git status 2>/dev/null)"
+if [[ -n "$st" ]]; then
+ local -a arr
+ arr=(${(f)st})
+
+ if [[ $arr[1] =~ 'Not currently on any branch.' ]]; then
+ __CURRENT_GIT_BRANCH='no-branch'
+ else
+ __CURRENT_GIT_BRANCH="${arr[1][(w)4]}"
+ fi
+
+ if [[ $arr[2] =~ 'Your branch is' ]]; then
+ if [[ $arr[2] =~ 'ahead' ]]; then
+ __CURRENT_GIT_BRANCH_STATUS='ahead'
+ elif [[ $arr[2] =~ 'devirged' ]]; then
+ __CURRENT_GIT_BRANCH_STATUS='diverged'
+ else
+ __CURRENT_GIT_BRANCH_STATUS='behind'
+ fi
+ fi
+
+ if [[ ! $st =~ 'nothing to commit' ]]; then
+ __CURRENT_GIT_BRANCH_IS_DIRTY='1'
+ fi
+fi