upd: avoid pulling the same repo twice, support arguments
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1 changed files with 169 additions and 48 deletions
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@ -1,33 +1,23 @@
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#!/bin/bash
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# updates some important repositories in my home folder (and elsewhere) that exist on multiple devices
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#!/bin/sh
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# Update dotfiles and some other common repositories.
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# This script accepts no arguments, but accepts additional repositories through the REPOS_TO_UPDATE environment variable
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set -eu
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# Check for git
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if ! command -v git > /dev/null; then
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echo "git is not installed, please install git and try again"
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exit 1
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fi
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#
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# Setup functions and variables
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#
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# Set colors
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if command -v tput > /dev/null; then
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YELLOW="$(tput setaf 3)"
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GREEN="$(tput setaf 2)"
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NC="$(tput sgr0)"
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elif [ -n "$TERMUX_VERSION" ]; then
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YELLOW="[33m"
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GREEN="[32m"
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NC="(B[m"
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fi
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# global name of script
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script="${0##*/}"
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# Avoiding copy pasting this over and over
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g() { git -C "$REPO" "$@"; }
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cleanup() {
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exit
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}
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REPOS_TO_UPDATE="${REPOS_TO_UPDATE:-}"
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# path_append from https://superuser.com/questions/39751/add-directory-to-path-if-its-not-already-there
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# update_list_append from https://superuser.com/questions/39751/add-directory-to-path-if-its-not-already-there
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# checks if a path is already in the PATH and if it exists
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path_append() {
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update_list_append() {
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if [ -d "$1" ]; then
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# shellcheck disable=SC3010
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if command '[[' > /dev/null 2>&1 && [[ ":$REPOS_TO_UPDATE:" != *":$1:"* ]]; then
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@ -38,31 +28,162 @@ path_append() {
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fi
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}
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# shellcheck disable=SC2016
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REPO_ABBR='echo ${REPO/"$HOME"/"~"}'
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# Do the arguments contain a search?
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# Usage: contains search "${array[@]}"
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contains() {
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search="$1"; shift
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split="$1"; shift
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array="$1"; shift
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path_append "${DOCS_DIR:-}"
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path_append "$HOME/bin"
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path_append "${NIXOS_DIR:-}"
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path_append "$HOME/code/faust-ideas"
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path_append "$HOME/code/nixvim-config"
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path_append "$HOME/.config/nvim"
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ifs="$IFS"
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IFS="$split"
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for str in $array; do
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if [ "$str" = "$search" ]; then
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IFS="$ifs"
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return 0
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fi
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done
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IFS="$ifs"
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return 1
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}
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# `git pull` everything mentioned in the REPOS_TO_UPDATE variable
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IFS=: read -ra REPOS_TO_UPDATE_ARR <<< "${REPOS_TO_UPDATE:-}"
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for REPO in "${REPOS_TO_UPDATE_ARR[@]}"; do
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if [ -n "$REPO" ]; then
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if g rev-parse > /dev/null 2>&1; then
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echo " ${GREEN}Pulling $(eval "$REPO_ABBR")‥${NC}"
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g pull
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g diff --quiet || echo "${YELLOW}Warning: Working tree for $(eval "$REPO_ABBR") is dirty${NC}"
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# Shorten the repo name to use a ~ for the home dir instead of the absolute path
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pretty_path() {
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arg="$1"
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case "$arg" in
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# If the arg starts with our home dir,
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"$HOME"*)
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# replace the home dir part with a ~
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printf '~%s' "$(printf '%s' "$arg" | sed -E 's/^.{'"${#HOME}"'}//')"
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;;
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# Otherwise,
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*)
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# Just print the arg
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printf '%s' "${arg}"
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;;
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esac | # Pass through some other filters
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sed -E 's_/+$__' | # Remove trailing slash
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tr -s '/' # Remove duplicate slashes
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}
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# Warn about incomplete changes to a repository
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do_checks() {
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repo_pretty="$1"
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shift
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# Uncommitted changes
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if ! "$@" diff --quiet; then
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echo "${yellow}Warning: Working tree for $repo_pretty is dirty${nc}"
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fi
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# Unpushed changes
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unpushed="$("$@" for-each-ref --format=" %(refname:short) %(push:track)" refs/heads)"
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if echo "$unpushed" | grep -Fq ahead; then
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printf '%s' "${yellow}Warning: Unpushed commits in $repo_pretty on branches:"
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printf '%s' "$unpushed" | tr '\n' ','
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echo "${nc}"
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fi
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}
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do_pull() {
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update_dotfiles="${update_dotfiles:-false}"
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# Which repos have we updated so far
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updated=''
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#
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# Main loop: `git pull` everything mentioned in the REPOS_TO_UPDATE variable
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#
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repo=''
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for repo in "$@"; do
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if [ -n "$repo" ]; then
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repo_pretty="$(pretty_path "$repo")"
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repo="$(realpath "$repo" 2>/dev/null)"
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repo="$(git -C "$repo" rev-parse --show-toplevel 2> /dev/null || true)"
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if [ -n "$repo" ]; then
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if ! contains "$repo" ':' "$updated"; then
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# Pull the repository
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echo " Pulling ${green}$repo_pretty${nc}‥"
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if ! timeout 10 git -C "$repo" pull; then
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exit=$#
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if [ "$ignore_git_errors" != true ]; then
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return "$exit"
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fi
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fi
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UPDATED_STUFF=true
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done
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# check for dotfiles updates
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${UPDATED_STUFF:-false} && echo
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echo " ${GREEN}Updating dotfiles…${NC}"
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dotfiles pull
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dotfiles diff --quiet || echo "${YELLOW}Warning: Working tree for dotfiles is dirty${NC}"
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updated="$repo:$updated"
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# Warn about incomplete changes to a repository
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do_checks "$repo_pretty" git -C "$repo"
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did_updates=true
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if [ "$update_dotfiles" = 'false' ]; then
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echo
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fi
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fi
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fi
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fi
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done
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# update dotfiles repo separately bc it's a bare repo
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if [ "$update_dotfiles" = true ]; then
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# check for dotfiles updates
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${did_updates:-false} && echo
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echo " Updating ${green}dotfiles${nc}…"
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dotfiles pull
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do_checks "$(dotfiles rev-parse --git-dir)" dotfiles
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fi
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}
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main() {
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trap cleanup INT
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# Check for git
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if ! command -v git > /dev/null; then
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echo "$script: git is not installed, please install git and try again" >&2
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exit 1
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fi
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# Set colors
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if command -v tput > /dev/null; then
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yellow="$(tput setaf 3)"
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green="$(tput setaf 2)"
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nc="$(tput sgr0)"
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elif [ -n "$TERMUX_VERSION" ]; then
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yellow="[33m"
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green="[32m"
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nc="(B[m"
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fi
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# Default repos to update
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ignore_git_errors=false
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if [ $# = 0 ]; then
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# Default paths to check
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REPOS_TO_UPDATE="${REPOS_TO_UPDATE:-}"
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set -- "$@" \
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"${DOCS_DIR:-}" \
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"$HOME/bin" \
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"${NIXOS_DIR:-}" \
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"$HOME/code/faust-ideas" \
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"$HOME/code/nixvim-config" \
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"$HOME/.config/nvim"
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split="$IFS"
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IFS=':'
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for dir in $REPOS_TO_UPDATE; do
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set -- "$dir" "$@"
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done
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IFS="$split"
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update_dotfiles=true
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else
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ignore_git_errors="${IGNORE_GIT_ERRORS:-true}"
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fi
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do_pull "$@"
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}
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main "$@"
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