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https://github.com/dcarrillo/prezto.git
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be61026920
We need to accommodate cases where a submodule local path (or remote) URL can change. Accordingly, update instruction and `zprezto-update` function to synchronizes submodules' remote URL configuration setting to the updated value automatically.
198 lines
5.8 KiB
Bash
198 lines
5.8 KiB
Bash
#
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# Initializes Prezto.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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#
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# Version Check
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#
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# Check for the minimum supported version.
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min_zsh_version='4.3.11'
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if ! autoload -Uz is-at-least || ! is-at-least "$min_zsh_version"; then
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printf "prezto: old shell detected, minimum required: %s\n" "$min_zsh_version" >&2
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return 1
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fi
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unset min_zsh_version
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# zprezto convenience updater
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# The function is surrounded by ( ) instead of { } so it starts in a subshell
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# and won't affect the environment of the calling shell
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function zprezto-update {
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(
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function cannot-fast-forward {
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local STATUS="$1"
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[[ -n "${STATUS}" ]] && printf "%s\n" "${STATUS}"
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printf "Unable to fast-forward the changes. You can fix this by "
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printf "running\ncd '%s' and then\n'git pull' " "${ZPREZTODIR}"
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printf "to manually pull and possibly merge in changes\n"
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}
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cd -q -- "${ZPREZTODIR}" || return 7
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local orig_branch="$(git symbolic-ref HEAD 2> /dev/null | cut -d '/' -f 3)"
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if [[ "$orig_branch" == "master" ]]; then
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git fetch || return "$?"
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local UPSTREAM=$(git rev-parse '@{u}')
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local LOCAL=$(git rev-parse HEAD)
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local REMOTE=$(git rev-parse "$UPSTREAM")
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local BASE=$(git merge-base HEAD "$UPSTREAM")
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if [[ $LOCAL == $REMOTE ]]; then
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printf "There are no updates.\n"
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return 0
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elif [[ $LOCAL == $BASE ]]; then
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printf "There is an update available. Trying to pull.\n\n"
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if git pull --ff-only; then
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printf "Syncing submodules\n"
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git submodule sync --recursive
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git submodule update --init --recursive
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return $?
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else
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cannot-fast-forward
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return 1
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fi
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elif [[ $REMOTE == $BASE ]]; then
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cannot-fast-forward "Commits in master that aren't in upstream."
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return 1
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else
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cannot-fast-forward "Upstream and local have diverged."
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return 1
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fi
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else
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printf "zprezto install at '%s' is not on the master branch " "${ZPREZTODIR}"
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printf "(you're on '%s')\nUnable to automatically update.\n" "${orig_branch}"
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return 1
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fi
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return 1
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)
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}
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#
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# Module Loader
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#
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# Loads Prezto modules.
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function pmodload {
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local -a pmodules
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local -a pmodule_dirs
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local -a locations
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local pmodule
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local pmodule_location
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local pfunction_glob='^([_.]*|prompt_*_setup|README*|*~)(-.N:t)'
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# Load in any additional directories and warn if they don't exist
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zstyle -a ':prezto:load' pmodule-dirs 'user_pmodule_dirs'
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for user_dir in "$user_pmodule_dirs[@]"; do
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if [[ ! -d "$user_dir" ]]; then
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echo "$0: Missing user module dir: $user_dir"
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fi
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done
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pmodule_dirs=("$ZPREZTODIR/modules" "$ZPREZTODIR/contrib" "$user_pmodule_dirs[@]")
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# $argv is overridden in the anonymous function.
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pmodules=("$argv[@]")
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# Load Prezto modules.
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for pmodule in "$pmodules[@]"; do
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if zstyle -t ":prezto:module:$pmodule" loaded 'yes' 'no'; then
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continue
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else
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locations=(${pmodule_dirs:+${^pmodule_dirs}/$pmodule(-/FN)})
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if (( ${#locations} > 1 )); then
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if ! zstyle -t ':prezto:load' pmodule-allow-overrides 'yes'; then
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print "$0: conflicting module locations: $locations"
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continue
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fi
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elif (( ${#locations} < 1 )); then
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print "$0: no such module: $pmodule"
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continue
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fi
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# Grab the full path to this module
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pmodule_location=${locations[-1]}
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# Add functions to $fpath.
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fpath=(${pmodule_location}/functions(-/FN) $fpath)
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function {
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local pfunction
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# Extended globbing is needed for listing autoloadable function directories.
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setopt LOCAL_OPTIONS EXTENDED_GLOB
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# Load Prezto functions.
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for pfunction in ${pmodule_location}/functions/$~pfunction_glob; do
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autoload -Uz "$pfunction"
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done
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}
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if [[ -s "${pmodule_location}/init.zsh" ]]; then
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source "${pmodule_location}/init.zsh"
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elif [[ -s "${pmodule_location}/${pmodule}.plugin.zsh" ]]; then
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source "${pmodule_location}/${pmodule}.plugin.zsh"
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fi
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if (( $? == 0 )); then
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zstyle ":prezto:module:$pmodule" loaded 'yes'
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else
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# Remove the $fpath entry.
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fpath[(r)${pmodule_location}/functions]=()
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function {
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local pfunction
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# Extended globbing is needed for listing autoloadable function
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# directories.
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setopt LOCAL_OPTIONS EXTENDED_GLOB
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# Unload Prezto functions.
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for pfunction in ${pmodule_location}/functions/$~pfunction_glob; do
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unfunction "$pfunction"
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done
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}
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zstyle ":prezto:module:$pmodule" loaded 'no'
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fi
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fi
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done
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}
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#
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# Prezto Initialization
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#
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# This finds the directory prezto is installed to so plugin managers don't need
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# to rely on dirty hacks to force prezto into a directory. Additionally, it
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# needs to be done here because inside the pmodload function ${0:h} evaluates to
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# the current directory of the shell rather than the prezto dir.
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ZPREZTODIR=${0:h}
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# Source the Prezto configuration file.
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if [[ -s "${ZDOTDIR:-$HOME}/.zpreztorc" ]]; then
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source "${ZDOTDIR:-$HOME}/.zpreztorc"
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fi
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# Disable color and theme in dumb terminals.
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if [[ "$TERM" == 'dumb' ]]; then
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zstyle ':prezto:*:*' color 'no'
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zstyle ':prezto:module:prompt' theme 'off'
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fi
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# Load Zsh modules.
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zstyle -a ':prezto:load' zmodule 'zmodules'
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for zmodule ("$zmodules[@]") zmodload "zsh/${(z)zmodule}"
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unset zmodule{s,}
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# Load more specific 'run-help' function from $fpath.
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(( $+aliases[run-help] )) && unalias run-help && autoload -Uz run-help
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# Autoload Zsh functions.
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zstyle -a ':prezto:load' zfunction 'zfunctions'
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for zfunction ("$zfunctions[@]") autoload -Uz "$zfunction"
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unset zfunction{s,}
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# Load Prezto modules.
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zstyle -a ':prezto:load' pmodule 'pmodules'
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pmodload "$pmodules[@]"
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unset pmodules
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