This is my personal mirror of https://github.com/sorin-ionescu/prezto
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

197 lines
5.8 KiB

#
# Initializes Prezto.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
#
# Version Check
#
# Check for the minimum supported version.
min_zsh_version='4.3.11'
if ! autoload -Uz is-at-least || ! is-at-least "$min_zsh_version"; then
printf "prezto: old shell detected, minimum required: %s\n" "$min_zsh_version" >&2
return 1
fi
unset min_zsh_version
# zprezto convenience updater
# The function is surrounded by ( ) instead of { } so it starts in a subshell
# and won't affect the environment of the calling shell
function zprezto-update {
(
function cannot-fast-forward {
local STATUS="$1"
[[ -n "${STATUS}" ]] && printf "%s\n" "${STATUS}"
printf "Unable to fast-forward the changes. You can fix this by "
printf "running\ncd '%s' and then\n'git pull' " "${ZPREZTODIR}"
printf "to manually pull and possibly merge in changes\n"
}
cd -q -- "${ZPREZTODIR}" || return 7
local orig_branch="$(git symbolic-ref HEAD 2> /dev/null | cut -d '/' -f 3)"
if [[ "$orig_branch" == "master" ]]; then
git fetch || return "$?"
local UPSTREAM=$(git rev-parse '@{u}')
local LOCAL=$(git rev-parse HEAD)
local REMOTE=$(git rev-parse "$UPSTREAM")
local BASE=$(git merge-base HEAD "$UPSTREAM")
if [[ $LOCAL == $REMOTE ]]; then
printf "There are no updates.\n"
return 0
elif [[ $LOCAL == $BASE ]]; then
printf "There is an update available. Trying to pull.\n\n"
if git pull --ff-only; then
printf "Syncing submodules\n"
git submodule sync --recursive
git submodule update --init --recursive
return $?
else
cannot-fast-forward
return 1
fi
elif [[ $REMOTE == $BASE ]]; then
cannot-fast-forward "Commits in master that aren't in upstream."
return 1
else
cannot-fast-forward "Upstream and local have diverged."
return 1
fi
else
printf "zprezto install at '%s' is not on the master branch " "${ZPREZTODIR}"
printf "(you're on '%s')\nUnable to automatically update.\n" "${orig_branch}"
return 1
fi
return 1
)
}
#
# Module Loader
#
# Loads Prezto modules.
function pmodload {
local -a pmodules
local -a pmodule_dirs
local -a locations
local pmodule
local pmodule_location
local pfunction_glob='^([_.]*|prompt_*_setup|README*|*~)(-.N:t)'
# Load in any additional directories and warn if they don't exist
zstyle -a ':prezto:load' pmodule-dirs 'user_pmodule_dirs'
for user_dir in "$user_pmodule_dirs[@]"; do
if [[ ! -d "$user_dir" ]]; then
echo "$0: Missing user module dir: $user_dir"
fi
done
pmodule_dirs=("$ZPREZTODIR/modules" "$ZPREZTODIR/contrib" "$user_pmodule_dirs[@]")
# $argv is overridden in the anonymous function.
pmodules=("$argv[@]")
# Load Prezto modules.
for pmodule in "$pmodules[@]"; do
if zstyle -t ":prezto:module:$pmodule" loaded 'yes' 'no'; then
continue
else
locations=(${pmodule_dirs:+${^pmodule_dirs}/$pmodule(-/FN)})
if (( ${#locations} > 1 )); then
if ! zstyle -t ':prezto:load' pmodule-allow-overrides 'yes'; then
print "$0: conflicting module locations: $locations"
continue
fi
elif (( ${#locations} < 1 )); then
print "$0: no such module: $pmodule"
continue
fi
# Grab the full path to this module
pmodule_location=${locations[-1]}
# Add functions to $fpath.
fpath=(${pmodule_location}/functions(-/FN) $fpath)
function {
local pfunction
# Extended globbing is needed for listing autoloadable function directories.
setopt LOCAL_OPTIONS EXTENDED_GLOB
# Load Prezto functions.
for pfunction in ${pmodule_location}/functions/$~pfunction_glob; do
autoload -Uz "$pfunction"
done
}
if [[ -s "${pmodule_location}/init.zsh" ]]; then
source "${pmodule_location}/init.zsh"
elif [[ -s "${pmodule_location}/${pmodule}.plugin.zsh" ]]; then
source "${pmodule_location}/${pmodule}.plugin.zsh"
fi
if (( $? == 0 )); then
zstyle ":prezto:module:$pmodule" loaded 'yes'
else
# Remove the $fpath entry.
fpath[(r)${pmodule_location}/functions]=()
function {
local pfunction
# Extended globbing is needed for listing autoloadable function
# directories.
setopt LOCAL_OPTIONS EXTENDED_GLOB
# Unload Prezto functions.
for pfunction in ${pmodule_location}/functions/$~pfunction_glob; do
unfunction "$pfunction"
done
}
zstyle ":prezto:module:$pmodule" loaded 'no'
fi
fi
done
}
#
# Prezto Initialization
#
# This finds the directory prezto is installed to so plugin managers don't need
# to rely on dirty hacks to force prezto into a directory. Additionally, it
# needs to be done here because inside the pmodload function ${0:h} evaluates to
# the current directory of the shell rather than the prezto dir.
ZPREZTODIR=${0:h}
# Source the Prezto configuration file.
if [[ -s "${ZDOTDIR:-$HOME}/.zpreztorc" ]]; then
source "${ZDOTDIR:-$HOME}/.zpreztorc"
fi
# Disable color and theme in dumb terminals.
if [[ "$TERM" == 'dumb' ]]; then
zstyle ':prezto:*:*' color 'no'
zstyle ':prezto:module:prompt' theme 'off'
fi
# Load Zsh modules.
zstyle -a ':prezto:load' zmodule 'zmodules'
for zmodule ("$zmodules[@]") zmodload "zsh/${(z)zmodule}"
unset zmodule{s,}
# Load more specific 'run-help' function from $fpath.
(( $+aliases[run-help] )) && unalias run-help && autoload -Uz run-help
# Autoload Zsh functions.
zstyle -a ':prezto:load' zfunction 'zfunctions'
for zfunction ("$zfunctions[@]") autoload -Uz "$zfunction"
unset zfunction{s,}
# Load Prezto modules.
zstyle -a ':prezto:load' pmodule 'pmodules'
pmodload "$pmodules[@]"
unset pmodules