X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/ea6c502d6323699d9027f33c07cd7afae0ab69a7..fe0993a7947fc20b567e3dc6bd57f0eda5c49a01:/vcsh diff --git a/vcsh b/vcsh index c4423fd..59c4237 100755 --- a/vcsh +++ b/vcsh @@ -1,152 +1,242 @@ #!/bin/sh -#set -x +[ -n "$VCSH_DEBUG" ] && set -x +[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config" +[ -z "$VCSH_BASE" ] && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d" SELF=$(basename $0) -[ -z $XDG_CONFIG_HOME ] && XDG_CONFIG_HOME="$HOME/.config" -for check_directory in $XDG_CONFIG_HOME $XDG_CONFIG_HOME/vcsh $XDG_CONFIG_HOME/vcsh/repo.d -do - if [ ! -d $check_directory ]; then - if [ -e $check_directory ]; then - echo "$SELF: error: $check_directory exists but is not a directory" >&2 - exit 2 - else - mkdir $check_directory || (echo "$SELF: error: could not create $check_directory" >&2; exit 2) - fi - fi -done - -VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d" - help() { echo "usage: $SELF - help Display this help - - list List all repos - - use Use this repository - run - Use this repository + clone \\ + [] Clone from an existing repository + help Display this help text + delete Delete an existing repository + enter Enter repository; spawn new $SHELL + init Initialize a new repository + list List all repositories + run \\ + Use this repository + + seed-gitignore \\ + Seed .gitignore.d/ from git ls-files + setup Set up repository with recommended settings + + Special command that allows you to run git commands + directly without having to type so much ;)" >&2 +} - init Initialize a new repository - clone - [] Clone from an existing repository +debug() { + [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@" +} - exit Exit vcsh mode" >&2 +verbose() { + if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi } -use() { - REPO_NAME="$1" - GIT_DIR="$VCSH_BASE/$REPO_NAME.git" +error () { + echo "$SELF: error: $1" >&2 +} - if [ ! -d "$GIT_DIR" ]; then - echo E: no repository found for "$REPO_NAME" >&2 - return 2 - fi +fatal () { + echo "$SELF: fatal error: $1" >&2 + exit $2 +} - export GIT_DIR - export GIT_WORK_TREE="$(git config --get core.worktree)" - export VCSH_DIRECTORY="$REPO_NAME" +setup() { + git config core.worktree "$GIT_WORK_TREE" + git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME" + git config vcsh.vcsh 'true' + touch "$HOME/.gitignore.d/$VCSH_REPO_NAME" + git add "$HOME/.gitignore.d/$VCSH_REPO_NAME" } init() { - [[ -e $GIT_DIR ]] && - echo "$SELF: fatal: $GIT_DIR exists" && - return 21 + verbose "init() begin" + [ ! -e "$GIT_DIR" ] || fatal "$GIT_DIR exists" 10 export GIT_WORK_TREE="$HOME" - mkdir -p $GIT_WORK_TREE - cd $GIT_WORK_TREE || - (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" && - exit 20) || exit 20 - cd $GIT_WORK_TREE + mkdir -p "$GIT_WORK_TREE" + cd "$GIT_WORK_TREE" || fatal "could not enter $GIT_WORK_TREE" 11 + cd "$GIT_WORK_TREE" git init - git config core.worktree $GIT_WORK_TREE + setup + verbose "init() end" } -leave() { - unset GIT_DIR - unset GIT_WORK_TREE - unset VCSH_DIRECTORY +use() { + verbose "use() begin" + if [ ! -d "$GIT_DIR" ]; then + error "no repository found for '$VCSH_REPO_NAME'" + return 12 + fi + export GIT_DIR + export GIT_WORK_TREE="$(git config --get core.worktree)" + export VCSH_DIRECTORY="$VCSH_REPO_NAME" + verbose "use() end" } -if [ "$1" = 'help' ] || [ $# -eq 0 ]; then - help - [ "$1" = 'help' ] - exit $? - -elif [ "$1" = 'list' ]; then - for i in $VCSH_BASE/*.git; do - echo $(basename $i .git) - done - exit 0 -elif [ "$1" = 'run' ]; then - use $2 +if [ "$1" = 'clone' ]; then + export VCSH_COMMAND="$1" + GIT_REMOTE="$2" + export GIT_REMOTE + VCSH_REPO_NAME="$3" + [ -z "$VCSH_REPO_NAME" ] && VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git) + export VCSH_REPO_NAME + export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git" +elif [ "$1" = 'delete' ] || + [ "$1" = 'enter' ] || + [ "$1" = 'init' ] || + [ "$1" = 'run' ] || + [ "$1" = 'seed-gitignore' ] || + [ "$1" = 'setup' ]; then + [ -z $2 ] && fatal "$1: please specify repository to work on" 1 + export VCSH_COMMAND="$1" + export VCSH_REPO_NAME="$2" + export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git" shift 2 - "$@" - leave - exit 0 - -elif [ "$1" = 'use' ]; then - if [[ -o NO_IGNORE_EOF ]]; then - export VCSH_NO_IGNORE_EOF=1 - setopt IGNORE_EOF - if [[ -n $ZSH_VERSION ]]; then - vcsh_exit() { - vcsh exit; - zle reset-prompt; - } + export VCSH_EXTERNAL_COMMAND="$*" + if [ "$VCSH_COMMAND" = 'run' ]; then + [ -z "$VCSH_EXTERNAL_COMMAND" ] && fatal "$1 $2: please specify a command" 1 + fi +elif [ "$1" = 'help' ] || + [ "$1" = 'list' ]; then + export VCSH_COMMAND="$1" +else + [ -z $1 ] && help && exit 0 + export VCSH_COMMAND='run' + export VCSH_REPO_NAME="$1" + export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git" + [ -d $GIT_DIR ] || { help; exit 1; } + shift 1 + export VCSH_EXTERNAL_COMMAND="git $*" +fi + + +for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d" +do + if [ ! -d "$check_directory" ]; then + if [ -e "$check_directory" ]; then + fatal "$check_directory exists but is not a directory" 13 + else + echo "$SELF: info: attempting to create $check_directory" + mkdir -p "$check_directory" || fatal "could not create $check_directory" 50 fi - zle -N vcsh_exit - bindkey '^d' 'vcsh_exit' fi - use $2 - buildPS1 - exit 0 +done -elif [ "$1" = 'clone' ]; then - GIT_REMOTE="$2" - REPO_NAME="$3" - [[ -z $REPO_NAME ]] && REPO_NAME=$(basename $GIT_REMOTE .git) - export REPO_NAME - export GIT_DIR="$VCSH_BASE/$REPO_NAME.git" - init - git remote add origin $GIT_REMOTE +if [ "$VCSH_COMMAND" = 'clone' ]; then + verbose "clone begin" + init + git remote add origin "$GIT_REMOTE" git config branch.master.remote origin git config branch.master.merge refs/heads/master git fetch - for i in $(git ls-tree -r origin/master | awk '{print $4}'); do - [[ -e $i ]] && - echo "$SELF: error: $i exists." && - CONFLICT=1; + for object in $(git ls-tree -r origin/master | awk '{print $4}'); do + [ -e "$object" ] && + error "$object exists." && + VCSH_CONFLICT=1; done - [[ -n $CONFLICT ]] && - echo "$SELF: fatal: will stop after fetching and not try to merge!\n" && - exit 3 + [ "$VCSH_CONFLICT" = '1' ] && + fatal "will stop after fetching and not try to merge! + Once this situation has been resolved, run 'vcsh run git pull' to finish cloning.\n" 17 git merge origin/master - vcsh use $REPO_NAME + verbose "clone end" + +#elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then +elif [ "$VCSH_COMMAND" = 'help' ]; then + help -elif [ "$1" = 'init' ]; then - export REPO_NAME="$2" - export GIT_DIR="$VCSH_BASE/$REPO_NAME.git" +elif [ "$VCSH_COMMAND" = 'delete' ]; then + verbose "delete begin" + old_dir="$PWD" + cd "$HOME" + use || exit $? + echo "$SELF: info: This operation WILL DETROY DATA!" + files=$(git ls-files) + echo "These files will be deleted: + +$files + +AGAIN, THIS WILL DELETE YOUR DATA! +To continue, type \"Yes, do as I say\"" + read answer + [ "x$answer" = "xYes, do as I say" ] || exit 16 + for file in $files; do + rm -f $file || echo "$SELF: info: could not delete '$file', continuing with deletion" + done + rm -rf "$GIT_DIR" || echo "$SELF: info: could not delete '$GIT_DIR'" + cd "$old_dir" + verbose "delete end" + +elif [ "$VCSH_COMMAND" = 'enter' ]; then + verbose "enter begin" + use || exit $? + $SHELL + verbose "enter end" + +elif [ "$VCSH_COMMAND" = 'init' ]; then + verbose "init begin" init - vcsh use $REPO_NAME + verbose "init end" -elif [ "$1" = 'exit' ]; then - if [[ $VCSH_NO_IGNORE_EOF -gt 0 ]]; then - unset VCSH_NO_IGNORE_EOF - setopt NO_IGNORE_EOF +elif [ "$VCSH_COMMAND" = 'list' ]; then + verbose "list begin" + for i in "$VCSH_BASE"/*.git; do + echo $(basename "$i" .git) + done + verbose "list end" + +elif [ "$VCSH_COMMAND" = 'run' ]; then + verbose "run begin" + use || exit $? + $VCSH_EXTERNAL_COMMAND + verbose "run end" + +elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then + verbose "seed-gitignore begin" + use || exit $? + # Switching directory as this has to be executed from $HOME to be of any use. + # Going back into old directory at the end in case `vcsh use` is reactivated. + old_dir="$PWD" + cd "$HOME" + gitignores=$(for file in $(git ls-files); do + while true; do + echo $file; new="${file%/*}" + [ "$file" = "$new" ] && break + file="$new" + done; + done | sort -u) + tempfile=$(mktemp) || fatal "could not create tempfile" 51 + echo '*' > "$tempfile" + for gitignore in $gitignores; do + echo "$gitignore" | sed 's/^/!/' >> "$tempfile" + [ -d "$gitignore" ] && echo "$gitignore/*" | sed 's/^/!/'>> "$tempfile" + done + diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null && + rm -f "$tempfile" && + exit + if [ -e "$HOME/.gitignore.d/$VCSH_REPO_NAME" ]; then + echo "$SELF: info: $HOME/.gitignore.d/$VCSH_REPO_NAME differs from new data, moving it to $HOME/.gitignore.d/$VCSH_REPO_NAME.bak" + mv -f "$HOME/.gitignore.d/$VCSH_REPO_NAME" "$HOME/.gitignore.d/$VCSH_REPO_NAME.bak" || + fatal "could not move $HOME/.gitignore.d/$VCSH_REPO_NAME to $HOME/.gitignore.d/$VCSH_REPO_NAME.bak" 53 fi - leave - buildPS1 - exit 0 + mv -f "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" || + fatal "could not move $tempfile to $HOME/.gitignore.d/$VCSH_REPO_NAME" 53 + cd "$old_dir" + verbose "seed-gitignore end" + +elif [ "$VCSH_COMMAND" = 'setup' ]; then + verbose "seed-gitignore begin" + use || exit $? + setup || exit $? + verbose "seed-gitignore end" else + verbose "defaulting to calling help()" help - exit 3 + fatal "You should never reach this code. File a bug, please." 99 fi -