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ohmyzsh/lib/cli.zsh
Cai Cooper 6fbad5bf72
fix(update): don't error on upgrade no-op (#9685)
* Don't error on upgrade no-op

No error code is required for a non failure scenario.

* Manually check whether changes were pulled in `omz update`

Co-authored-by: Marc Cornellà <hello@mcornella.com>
2021-03-01 08:17:54 +01:00

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#!/usr/bin/env zsh
function omz {
[[ $# -gt 0 ]] || {
_omz::help
return 1
}
local command="$1"
shift
# Subcommand functions start with _ so that they don't
# appear as completion entries when looking for `omz`
(( $+functions[_omz::$command] )) || {
_omz::help
return 1
}
_omz::$command "$@"
}
function _omz {
local -a cmds subcmds
cmds=(
'changelog:Print the changelog'
'help:Usage information'
'plugin:Manage plugins'
'pr:Manage Oh My Zsh Pull Requests'
'theme:Manage themes'
'update:Update Oh My Zsh'
)
if (( CURRENT == 2 )); then
_describe 'command' cmds
elif (( CURRENT == 3 )); then
case "$words[2]" in
changelog) local -a refs
refs=("${(@f)$(command git for-each-ref --format="%(refname:short):%(subject)" refs/heads refs/tags)}")
_describe 'command' refs ;;
plugin) subcmds=('info:Get plugin information' 'list:List plugins')
_describe 'command' subcmds ;;
pr) subcmds=('test:Test a Pull Request' 'clean:Delete all Pull Request branches')
_describe 'command' subcmds ;;
theme) subcmds=('use:Load a theme' 'list:List themes')
_describe 'command' subcmds ;;
esac
elif (( CURRENT == 4 )); then
case "$words[2]::$words[3]" in
plugin::info) compadd "$ZSH"/plugins/*/README.md(.N:h:t) \
"$ZSH_CUSTOM"/plugins/*/README.md(.N:h:t) ;;
theme::use) compadd "$ZSH"/themes/*.zsh-theme(.N:t:r) \
"$ZSH_CUSTOM"/**/*.zsh-theme(.N:r:gs:"$ZSH_CUSTOM"/themes/:::gs:"$ZSH_CUSTOM"/:::) ;;
esac
fi
return 0
}
compdef _omz omz
## Utility functions
function _omz::confirm {
# If question supplied, ask it before reading the answer
# NOTE: uses the logname of the caller function
if [[ -n "$1" ]]; then
_omz::log prompt "$1" "${${functrace[1]#_}%:*}"
fi
# Read one character
read -r -k 1
# If no newline entered, add a newline
if [[ "$REPLY" != $'\n' ]]; then
echo
fi
}
function _omz::log {
# if promptsubst is set, a message with `` or $()
# will be run even if quoted due to `print -P`
setopt localoptions nopromptsubst
# $1 = info|warn|error|debug
# $2 = text
# $3 = (optional) name of the logger
local logtype=$1
local logname=${3:-${${functrace[1]#_}%:*}}
# Don't print anything if debug is not active
if [[ $logtype = debug && -z $_OMZ_DEBUG ]]; then
return
fi
# Choose coloring based on log type
case "$logtype" in
prompt) print -Pn "%S%F{blue}$logname%f%s: $2" ;;
debug) print -P "%F{white}$logname%f: $2" ;;
info) print -P "%F{green}$logname%f: $2" ;;
warn) print -P "%S%F{yellow}$logname%f%s: $2" ;;
error) print -P "%S%F{red}$logname%f%s: $2" ;;
esac >&2
}
## User-facing commands
function _omz::help {
cat <<EOF
Usage: omz <command> [options]
Available commands:
help Print this help message
changelog Print the changelog
plugin <command> Manage plugins
pr <command> Manage Oh My Zsh Pull Requests
theme <command> Manage themes
update Update Oh My Zsh
EOF
}
function _omz::changelog {
local version=${1:-HEAD} format=${3:-"--text"}
if ! command git -C "$ZSH" show-ref --verify refs/heads/$version &>/dev/null && \
! command git -C "$ZSH" show-ref --verify refs/tags/$version &>/dev/null && \
! command git -C "$ZSH" rev-parse --verify "${version}^{commit}" &>/dev/null; then
cat <<EOF
Usage: omz changelog [version]
NOTE: <version> must be a valid branch, tag or commit.
EOF
return 1
fi
"$ZSH/tools/changelog.sh" "$version" "${2:-}" "$format"
}
function _omz::plugin {
(( $# > 0 && $+functions[_omz::plugin::$1] )) || {
cat <<EOF
Usage: omz plugin <command> [options]
Available commands:
info <plugin> Get information of a plugin
list List all available Oh My Zsh plugins
EOF
return 1
}
local command="$1"
shift
_omz::plugin::$command "$@"
}
function _omz::plugin::info {
if [[ -z "$1" ]]; then
echo >&2 "Usage: omz plugin info <plugin>"
return 1
fi
local readme
for readme in "$ZSH_CUSTOM/plugins/$1/README.md" "$ZSH/plugins/$1/README.md"; do
if [[ -f "$readme" ]]; then
(( ${+commands[less]} )) && less "$readme" || cat "$readme"
return 0
fi
done
if [[ -d "$ZSH_CUSTOM/plugins/$1" || -d "$ZSH/plugins/$1" ]]; then
_omz::log error "the '$1' plugin doesn't have a README file"
else
_omz::log error "'$1' plugin not found"
fi
return 1
}
function _omz::plugin::list {
local -a custom_plugins builtin_plugins
custom_plugins=("$ZSH_CUSTOM"/plugins/*(-/N:t))
builtin_plugins=("$ZSH"/plugins/*(-/N:t))
# If the command is being piped, print all found line by line
if [[ ! -t 1 ]]; then
print -l ${(q-)custom_plugins} ${(q-)builtin_plugins}
return
fi
if (( ${#custom_plugins} )); then
print -P "%U%BCustom plugins%b%u:"
print -l ${(q-)custom_plugins} | column
fi
if (( ${#builtin_plugins} )); then
(( ${#custom_plugins} )) && echo # add a line of separation
print -P "%U%BBuilt-in plugins%b%u:"
print -l ${(q-)builtin_plugins} | column
fi
}
function _omz::pr {
(( $# > 0 && $+functions[_omz::pr::$1] )) || {
cat <<EOF
Usage: omz pr <command> [options]
Available commands:
clean Delete all PR branches (ohmyzsh/pull-*)
test <PR_number_or_URL> Fetch PR #NUMBER and rebase against master
EOF
return 1
}
local command="$1"
shift
_omz::pr::$command "$@"
}
function _omz::pr::clean {
(
set -e
builtin cd -q "$ZSH"
# Check if there are PR branches
local fmt branches
fmt="%(color:bold blue)%(align:18,right)%(refname:short)%(end)%(color:reset) %(color:dim bold red)%(objectname:short)%(color:reset) %(color:yellow)%(contents:subject)"
branches="$(command git for-each-ref --sort=-committerdate --color --format="$fmt" "refs/heads/ohmyzsh/pull-*")"
# Exit if there are no PR branches
if [[ -z "$branches" ]]; then
_omz::log info "there are no Pull Request branches to remove."
return
fi
# Print found PR branches
echo "$branches\n"
# Confirm before removing the branches
_omz::confirm "do you want remove these Pull Request branches? [Y/n] "
# Only proceed if the answer is a valid yes option
[[ "$REPLY" != [yY$'\n'] ]] && return
_omz::log info "removing all Oh My Zsh Pull Request branches..."
command git branch --list 'ohmyzsh/pull-*' | while read branch; do
command git branch -D "$branch"
done
)
}
function _omz::pr::test {
# Allow $1 to be a URL to the pull request
if [[ "$1" = https://* ]]; then
1="${1:t}"
fi
# Check the input
if ! [[ -n "$1" && "$1" =~ ^[[:digit:]]+$ ]]; then
echo >&2 "Usage: omz pr test <PR_NUMBER_or_URL>"
return 1
fi
# Save current git HEAD
local branch
branch=$(builtin cd -q "$ZSH"; git symbolic-ref --short HEAD) || {
_omz::log error "error when getting the current git branch. Aborting..."
return 1
}
# Fetch PR onto ohmyzsh/pull-<PR_NUMBER> branch and rebase against master
# If any of these operations fail, undo the changes made
(
set -e
builtin cd -q "$ZSH"
# Get the ohmyzsh git remote
command git remote -v | while read remote url _; do
case "$url" in
https://github.com/ohmyzsh/ohmyzsh(|.git)) found=1; break ;;
git@github.com:ohmyzsh/ohmyzsh(|.git)) found=1; break ;;
esac
done
(( $found )) || {
_omz::log error "could not found the ohmyzsh git remote. Aborting..."
return 1
}
# Fetch pull request head
_omz::log info "fetching PR #$1 to ohmyzsh/pull-$1..."
command git fetch -f "$remote" refs/pull/$1/head:ohmyzsh/pull-$1 || {
_omz::log error "error when trying to fetch PR #$1."
return 1
}
# Rebase pull request branch against the current master
_omz::log info "rebasing PR #$1..."
command git rebase master ohmyzsh/pull-$1 || {
command git rebase --abort &>/dev/null
_omz::log warn "could not rebase PR #$1 on top of master."
_omz::log warn "you might not see the latest stable changes."
_omz::log info "run \`zsh\` to test the changes."
return 1
}
_omz::log info "fetch of PR #${1} successful."
)
# If there was an error, abort running zsh to test the PR
[[ $? -eq 0 ]] || return 1
# Run zsh to test the changes
_omz::log info "running \`zsh\` to test the changes. Run \`exit\` to go back."
command zsh -l
# After testing, go back to the previous HEAD if the user wants
_omz::confirm "do you want to go back to the previous branch? [Y/n] "
# Only proceed if the answer is a valid yes option
[[ "$REPLY" != [yY$'\n'] ]] && return
(
set -e
builtin cd -q "$ZSH"
command git checkout "$branch" -- || {
_omz::log error "could not go back to the previous branch ('$branch')."
return 1
}
)
}
function _omz::theme {
(( $# > 0 && $+functions[_omz::theme::$1] )) || {
cat <<EOF
Usage: omz theme <command> [options]
Available commands:
list List all available Oh My Zsh themes
use <theme> Load an Oh My Zsh theme
EOF
return 1
}
local command="$1"
shift
_omz::theme::$command "$@"
}
function _omz::theme::list {
local -a custom_themes builtin_themes
custom_themes=("$ZSH_CUSTOM"/**/*.zsh-theme(-.N:r:gs:"$ZSH_CUSTOM"/themes/:::gs:"$ZSH_CUSTOM"/:::))
builtin_themes=("$ZSH"/themes/*.zsh-theme(-.N:t:r))
# If the command is being piped, print all found line by line
if [[ ! -t 1 ]]; then
print -l ${(q-)custom_themes} ${(q-)builtin_themes}
return
fi
if (( ${#custom_themes} )); then
print -P "%U%BCustom themes%b%u:"
print -l ${(q-)custom_themes} | column
fi
if (( ${#builtin_themes} )); then
(( ${#custom_themes} )) && echo # add a line of separation
print -P "%U%BBuilt-in themes%b%u:"
print -l ${(q-)builtin_themes} | column
fi
}
function _omz::theme::use {
if [[ -z "$1" ]]; then
echo >&2 "Usage: omz theme use <theme>"
return 1
fi
# Respect compatibility with old lookup order
if [[ -f "$ZSH_CUSTOM/$1.zsh-theme" ]]; then
source "$ZSH_CUSTOM/$1.zsh-theme"
elif [[ -f "$ZSH_CUSTOM/themes/$1.zsh-theme" ]]; then
source "$ZSH_CUSTOM/themes/$1.zsh-theme"
elif [[ -f "$ZSH/themes/$1.zsh-theme" ]]; then
source "$ZSH/themes/$1.zsh-theme"
else
_omz::log error "theme '$1' not found"
return 1
fi
}
function _omz::update {
local last_commit=$(cd "$ZSH"; git rev-parse HEAD)
# Run update script
if [[ "$1" != --unattended ]]; then
ZSH="$ZSH" zsh -f "$ZSH/tools/upgrade.sh" --interactive
else
ZSH="$ZSH" zsh -f "$ZSH/tools/upgrade.sh"
fi
# Update last updated file
zmodload zsh/datetime
echo "LAST_EPOCH=$(( EPOCHSECONDS / 60 / 60 / 24 ))" >! "${ZSH_CACHE_DIR}/.zsh-update"
# Remove update lock if it exists
command rm -rf "$ZSH/log/update.lock"
# Restart the zsh session if there were changes
if [[ "$1" != --unattended && "$(cd "$ZSH"; git rev-parse HEAD)" != "$last_commit" ]]; then
# Old zsh versions don't have ZSH_ARGZERO
local zsh="${ZSH_ARGZERO:-${functrace[-1]%:*}}"
# Check whether to run a login shell
[[ "$zsh" = -* || -o login ]] && exec -l "${zsh#-}" || exec "$zsh"
fi
}