Scope local variable in anonymous function

so it does not leek into the shell.

Copied from zimfw/git@fea95a765558f8efbb039c8e241938fd2bda8954

modules/git/init.zsh

@@ -16,175 +16,177 @@ _git_log_oneline_medium_format='%C(bold yellow)%h%C(reset) %<(50,trunc)%s %C(bol
 # Aliases
 #
 
-local gprefix
-zstyle -s ':zim:git' aliases-prefix 'gprefix' || gprefix=g
-
-# Git
-alias ${gprefix}='git'
-
-# Branch (b)
-alias ${gprefix}b='git branch'
-alias ${gprefix}bc='git checkout -b'
-alias ${gprefix}bl='git branch -vv'
-alias ${gprefix}bL='git branch --all -vv'
-alias ${gprefix}bm='git branch --move'
-alias ${gprefix}bM='git branch --move --force'
-alias ${gprefix}bs='git show-branch'
-alias ${gprefix}bS='git show-branch --all'
-alias ${gprefix}bx='git-branch-delete-interactive'
-alias ${gprefix}bX='git-branch-delete-interactive --force'
-
-# Commit (c)
-alias ${gprefix}c='git commit --verbose'
-alias ${gprefix}ca='git commit --verbose --all'
-alias ${gprefix}cm='git commit --message'
-alias ${gprefix}co='git checkout'
-alias ${gprefix}cO='git checkout --patch'
-alias ${gprefix}cf='git commit --amend --reuse-message HEAD'
-alias ${gprefix}cF='git commit --verbose --amend'
-alias ${gprefix}cp='git cherry-pick --ff'
-alias ${gprefix}cP='git cherry-pick --no-commit'
-alias ${gprefix}cr='git revert'
-alias ${gprefix}cR='git reset "HEAD^"'
-alias ${gprefix}cs='git show --pretty=format:"${_git_log_fuller_format}"'
-alias ${gprefix}cS='git commit -S'
-alias ${gprefix}cv='git verify-commit'
-
-# Conflict (C)
-alias ${gprefix}Cl='git --no-pager diff --diff-filter=U --name-only'
-alias ${gprefix}Ca='git add $(gCl)'
-alias ${gprefix}Ce='git mergetool $(gCl)'
-alias ${gprefix}Co='git checkout --ours --'
-alias ${gprefix}CO='gCo $(gCl)'
-alias ${gprefix}Ct='git checkout --theirs --'
-alias ${gprefix}CT='gCt $(gCl)'
-
-# Data (d)
-alias ${gprefix}d='git ls-files'
-alias ${gprefix}dc='git ls-files --cached'
-alias ${gprefix}dx='git ls-files --deleted'
-alias ${gprefix}dm='git ls-files --modified'
-alias ${gprefix}du='git ls-files --other --exclude-standard'
-alias ${gprefix}dk='git ls-files --killed'
-alias ${gprefix}di='git status --porcelain --short --ignored | sed -n "s/^!! //p"'
-
-# Fetch (f)
-alias ${gprefix}f='git fetch'
-alias ${gprefix}fc='git clone'
-alias ${gprefix}fm='git pull'
-alias ${gprefix}fr='git pull --rebase'
-alias ${gprefix}fu='git fetch --all --prune && git merge --ff-only @\{u\}'
-
-# Grep (g)
-alias ${gprefix}g='git grep'
-alias ${gprefix}gi='git grep --ignore-case'
-alias ${gprefix}gl='git grep --files-with-matches'
-alias ${gprefix}gL='git grep --files-without-match'
-alias ${gprefix}gv='git grep --invert-match'
-alias ${gprefix}gw='git grep --word-regexp'
-
-# Index (i)
-alias ${gprefix}ia='git add'
-alias ${gprefix}iA='git add --patch'
-alias ${gprefix}iu='git add --update'
-alias ${gprefix}id='git diff --no-ext-diff --cached'
-alias ${gprefix}iD='git diff --no-ext-diff --cached --word-diff'
-alias ${gprefix}ir='git reset'
-alias ${gprefix}iR='git reset --patch'
-alias ${gprefix}ix='git rm --cached -r'
-alias ${gprefix}iX='git rm --cached -rf'
-
-# Log (l)
-alias ${gprefix}l='git log --topo-order --pretty=format:"${_git_log_fuller_format}"'
-alias ${gprefix}ls='git log --topo-order --stat --pretty=format:"${_git_log_fuller_format}"'
-alias ${gprefix}ld='git log --topo-order --stat --patch --full-diff --pretty=format:"${_git_log_fuller_format}"'
-alias ${gprefix}lo='git log --topo-order --pretty=format:"${_git_log_oneline_format}"'
-alias ${gprefix}lO='git log --topo-order --pretty=format:"${_git_log_oneline_medium_format}"'
-alias ${gprefix}lg='git log --graph --pretty=format:"${_git_log_oneline_format}"'
-alias ${gprefix}lG='git log --graph --pretty=format:"${_git_log_oneline_medium_format}"'
-alias ${gprefix}lv='git log --topo-order --show-signature --pretty=format:"${_git_log_fuller_format}"'
-alias ${gprefix}lc='git shortlog --summary --numbered'
-alias ${gprefix}lr='git reflog'
-
-# Merge (m)
-alias ${gprefix}m='git merge'
-alias ${gprefix}ma='git merge --abort'
-alias ${gprefix}mC='git merge --no-commit'
-alias ${gprefix}mF='git merge --no-ff'
-alias ${gprefix}mS='git merge -S'
-alias ${gprefix}mv='git merge --verify-signatures'
-alias ${gprefix}mt='git mergetool'
-
-# Push (p)
-alias ${gprefix}p='git push'
-alias ${gprefix}pf='git push --force-with-lease'
-alias ${gprefix}pF='git push --force'
-alias ${gprefix}pa='git push --all'
-alias ${gprefix}pA='git push --all && git push --tags'
-alias ${gprefix}pt='git push --tags'
-alias ${gprefix}pc='git push --set-upstream origin "$(git-branch-current 2> /dev/null)"'
-alias ${gprefix}pp='git pull origin "$(git-branch-current 2> /dev/null)" && git push origin "$(git-branch-current 2> /dev/null)"'
-
-# Rebase (r)
-alias ${gprefix}r='git rebase'
-alias ${gprefix}ra='git rebase --abort'
-alias ${gprefix}rc='git rebase --continue'
-alias ${gprefix}ri='git rebase --interactive'
-alias ${gprefix}rs='git rebase --skip'
-
-# Remote (R)
-alias ${gprefix}R='git remote'
-alias ${gprefix}Rl='git remote --verbose'
-alias ${gprefix}Ra='git remote add'
-alias ${gprefix}Rx='git remote rm'
-alias ${gprefix}Rm='git remote rename'
-alias ${gprefix}Ru='git remote update'
-alias ${gprefix}Rp='git remote prune'
-alias ${gprefix}Rs='git remote show'
-
-# Stash (s)
-alias ${gprefix}s='git stash'
-alias ${gprefix}sa='git stash apply'
-alias ${gprefix}sx='git stash drop'
-alias ${gprefix}sX='git-stash-clear-interactive'
-alias ${gprefix}sl='git stash list'
-alias ${gprefix}sd='git stash show --patch --stat'
-alias ${gprefix}sp='git stash pop'
-alias ${gprefix}sr='git-stash-recover'
-alias ${gprefix}ss='git stash save --include-untracked'
-alias ${gprefix}sS='git stash save --patch --no-keep-index'
-alias ${gprefix}sw='git stash save --include-untracked --keep-index'
-alias ${gprefix}su='git stash show --patch | git apply --reverse'
-
-# Submodule (S)
-alias ${gprefix}S='git submodule'
-alias ${gprefix}Sa='git submodule add'
-alias ${gprefix}Sf='git submodule foreach'
-alias ${gprefix}Si='git submodule init'
-alias ${gprefix}SI='git submodule update --init --recursive'
-alias ${gprefix}Sl='git submodule status'
-alias ${gprefix}Sm='git-submodule-move'
-alias ${gprefix}Ss='git submodule sync'
-alias ${gprefix}Su='git submodule foreach git pull origin master'
-alias ${gprefix}Sx='git-submodule-remove'
-
-# Tag (t)
-alias ${gprefix}t='git tag'
-alias ${gprefix}ts='git tag --sign'
-alias ${gprefix}tv='git verify-tag'
-alias ${gprefix}tx='git tag --delete'
-
-# Working tree (w)
-alias ${gprefix}ws='git status --short'
-alias ${gprefix}wS='git status'
-alias ${gprefix}wd='git diff --no-ext-diff'
-alias ${gprefix}wD='git diff --no-ext-diff --word-diff'
-alias ${gprefix}wr='git reset --soft'
-alias ${gprefix}wR='git reset --hard'
-alias ${gprefix}wc='git clean --dry-run'
-alias ${gprefix}wC='git clean -d --force'
-alias ${gprefix}wx='git rm -r'
-alias ${gprefix}wX='git rm -rf'
-
-# Misc
-alias ${gprefix}..='cd "$(git-root || print .)"'
+() {
+  local gprefix
+  zstyle -s ':zim:git' aliases-prefix 'gprefix' || gprefix=g
+
+  # Git
+  alias ${gprefix}='git'
+
+  # Branch (b)
+  alias ${gprefix}b='git branch'
+  alias ${gprefix}bc='git checkout -b'
+  alias ${gprefix}bl='git branch -vv'
+  alias ${gprefix}bL='git branch --all -vv'
+  alias ${gprefix}bm='git branch --move'
+  alias ${gprefix}bM='git branch --move --force'
+  alias ${gprefix}bs='git show-branch'
+  alias ${gprefix}bS='git show-branch --all'
+  alias ${gprefix}bx='git-branch-delete-interactive'
+  alias ${gprefix}bX='git-branch-delete-interactive --force'
+
+  # Commit (c)
+  alias ${gprefix}c='git commit --verbose'
+  alias ${gprefix}ca='git commit --verbose --all'
+  alias ${gprefix}cm='git commit --message'
+  alias ${gprefix}co='git checkout'
+  alias ${gprefix}cO='git checkout --patch'
+  alias ${gprefix}cf='git commit --amend --reuse-message HEAD'
+  alias ${gprefix}cF='git commit --verbose --amend'
+  alias ${gprefix}cp='git cherry-pick --ff'
+  alias ${gprefix}cP='git cherry-pick --no-commit'
+  alias ${gprefix}cr='git revert'
+  alias ${gprefix}cR='git reset "HEAD^"'
+  alias ${gprefix}cs='git show --pretty=format:"${_git_log_fuller_format}"'
+  alias ${gprefix}cS='git commit -S'
+  alias ${gprefix}cv='git verify-commit'
+
+  # Conflict (C)
+  alias ${gprefix}Cl='git --no-pager diff --diff-filter=U --name-only'
+  alias ${gprefix}Ca='git add $(gCl)'
+  alias ${gprefix}Ce='git mergetool $(gCl)'
+  alias ${gprefix}Co='git checkout --ours --'
+  alias ${gprefix}CO='gCo $(gCl)'
+  alias ${gprefix}Ct='git checkout --theirs --'
+  alias ${gprefix}CT='gCt $(gCl)'
+
+  # Data (d)
+  alias ${gprefix}d='git ls-files'
+  alias ${gprefix}dc='git ls-files --cached'
+  alias ${gprefix}dx='git ls-files --deleted'
+  alias ${gprefix}dm='git ls-files --modified'
+  alias ${gprefix}du='git ls-files --other --exclude-standard'
+  alias ${gprefix}dk='git ls-files --killed'
+  alias ${gprefix}di='git status --porcelain --short --ignored | sed -n "s/^!! //p"'
+
+  # Fetch (f)
+  alias ${gprefix}f='git fetch'
+  alias ${gprefix}fc='git clone'
+  alias ${gprefix}fm='git pull'
+  alias ${gprefix}fr='git pull --rebase'
+  alias ${gprefix}fu='git fetch --all --prune && git merge --ff-only @\{u\}'
+
+  # Grep (g)
+  alias ${gprefix}g='git grep'
+  alias ${gprefix}gi='git grep --ignore-case'
+  alias ${gprefix}gl='git grep --files-with-matches'
+  alias ${gprefix}gL='git grep --files-without-match'
+  alias ${gprefix}gv='git grep --invert-match'
+  alias ${gprefix}gw='git grep --word-regexp'
+
+  # Index (i)
+  alias ${gprefix}ia='git add'
+  alias ${gprefix}iA='git add --patch'
+  alias ${gprefix}iu='git add --update'
+  alias ${gprefix}id='git diff --no-ext-diff --cached'
+  alias ${gprefix}iD='git diff --no-ext-diff --cached --word-diff'
+  alias ${gprefix}ir='git reset'
+  alias ${gprefix}iR='git reset --patch'
+  alias ${gprefix}ix='git rm --cached -r'
+  alias ${gprefix}iX='git rm --cached -rf'
+
+  # Log (l)
+  alias ${gprefix}l='git log --topo-order --pretty=format:"${_git_log_fuller_format}"'
+  alias ${gprefix}ls='git log --topo-order --stat --pretty=format:"${_git_log_fuller_format}"'
+  alias ${gprefix}ld='git log --topo-order --stat --patch --full-diff --pretty=format:"${_git_log_fuller_format}"'
+  alias ${gprefix}lo='git log --topo-order --pretty=format:"${_git_log_oneline_format}"'
+  alias ${gprefix}lO='git log --topo-order --pretty=format:"${_git_log_oneline_medium_format}"'
+  alias ${gprefix}lg='git log --graph --pretty=format:"${_git_log_oneline_format}"'
+  alias ${gprefix}lG='git log --graph --pretty=format:"${_git_log_oneline_medium_format}"'
+  alias ${gprefix}lv='git log --topo-order --show-signature --pretty=format:"${_git_log_fuller_format}"'
+  alias ${gprefix}lc='git shortlog --summary --numbered'
+  alias ${gprefix}lr='git reflog'
+
+  # Merge (m)
+  alias ${gprefix}m='git merge'
+  alias ${gprefix}ma='git merge --abort'
+  alias ${gprefix}mC='git merge --no-commit'
+  alias ${gprefix}mF='git merge --no-ff'
+  alias ${gprefix}mS='git merge -S'
+  alias ${gprefix}mv='git merge --verify-signatures'
+  alias ${gprefix}mt='git mergetool'
+
+  # Push (p)
+  alias ${gprefix}p='git push'
+  alias ${gprefix}pf='git push --force-with-lease'
+  alias ${gprefix}pF='git push --force'
+  alias ${gprefix}pa='git push --all'
+  alias ${gprefix}pA='git push --all && git push --tags'
+  alias ${gprefix}pt='git push --tags'
+  alias ${gprefix}pc='git push --set-upstream origin "$(git-branch-current 2> /dev/null)"'
+  alias ${gprefix}pp='git pull origin "$(git-branch-current 2> /dev/null)" && git push origin "$(git-branch-current 2> /dev/null)"'
+
+  # Rebase (r)
+  alias ${gprefix}r='git rebase'
+  alias ${gprefix}ra='git rebase --abort'
+  alias ${gprefix}rc='git rebase --continue'
+  alias ${gprefix}ri='git rebase --interactive'
+  alias ${gprefix}rs='git rebase --skip'
+
+  # Remote (R)
+  alias ${gprefix}R='git remote'
+  alias ${gprefix}Rl='git remote --verbose'
+  alias ${gprefix}Ra='git remote add'
+  alias ${gprefix}Rx='git remote rm'
+  alias ${gprefix}Rm='git remote rename'
+  alias ${gprefix}Ru='git remote update'
+  alias ${gprefix}Rp='git remote prune'
+  alias ${gprefix}Rs='git remote show'
+
+  # Stash (s)
+  alias ${gprefix}s='git stash'
+  alias ${gprefix}sa='git stash apply'
+  alias ${gprefix}sx='git stash drop'
+  alias ${gprefix}sX='git-stash-clear-interactive'
+  alias ${gprefix}sl='git stash list'
+  alias ${gprefix}sd='git stash show --patch --stat'
+  alias ${gprefix}sp='git stash pop'
+  alias ${gprefix}sr='git-stash-recover'
+  alias ${gprefix}ss='git stash save --include-untracked'
+  alias ${gprefix}sS='git stash save --patch --no-keep-index'
+  alias ${gprefix}sw='git stash save --include-untracked --keep-index'
+  alias ${gprefix}su='git stash show --patch | git apply --reverse'
+
+  # Submodule (S)
+  alias ${gprefix}S='git submodule'
+  alias ${gprefix}Sa='git submodule add'
+  alias ${gprefix}Sf='git submodule foreach'
+  alias ${gprefix}Si='git submodule init'
+  alias ${gprefix}SI='git submodule update --init --recursive'
+  alias ${gprefix}Sl='git submodule status'
+  alias ${gprefix}Sm='git-submodule-move'
+  alias ${gprefix}Ss='git submodule sync'
+  alias ${gprefix}Su='git submodule foreach git pull origin master'
+  alias ${gprefix}Sx='git-submodule-remove'
+
+  # Tag (t)
+  alias ${gprefix}t='git tag'
+  alias ${gprefix}ts='git tag --sign'
+  alias ${gprefix}tv='git verify-tag'
+  alias ${gprefix}tx='git tag --delete'
+
+  # Working tree (w)
+  alias ${gprefix}ws='git status --short'
+  alias ${gprefix}wS='git status'
+  alias ${gprefix}wd='git diff --no-ext-diff'
+  alias ${gprefix}wD='git diff --no-ext-diff --word-diff'
+  alias ${gprefix}wr='git reset --soft'
+  alias ${gprefix}wR='git reset --hard'
+  alias ${gprefix}wc='git clean --dry-run'
+  alias ${gprefix}wC='git clean -d --force'
+  alias ${gprefix}wx='git rm -r'
+  alias ${gprefix}wX='git rm -rf'
+
+  # Misc
+  alias ${gprefix}..='cd "$(git-root || print .)"'
+}