X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/ab4b010d18cec61ad662c71841f35d0525bf2b99..711b529bdfb0785adae4d10752f5c63afe4814d0:/vcsh diff --git a/vcsh b/vcsh index f4d98ad..fef3bc8 100755 --- a/vcsh +++ b/vcsh @@ -1,221 +1,288 @@ #!/bin/sh -[ -n "$VCSH_DEBUG" ] && set -x +# This program is licensed under the GNU GPL version 2 or later. +# (c) Richard "RichiH" Hartmann , 2011-2012 +# For details, see LICENSE. To submit patches, you have to agree to +# license your code under the GNU GPL version 2 or later. -SELF=$(basename $0) - -[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config" -[ -z "$VCSH_BASE" ] && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d" -for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d" -do - if [ ! -d "$check_directory" ]; then - if [ -e "$check_directory" ]; then - echo "$SELF: error: $check_directory exists but is not a directory" >&2 - exit 2 - else - echo "$SELF: info: attempting to create $check_directory" - mkdir -p "$check_directory" || (echo "$SELF: error: could not create $check_directory" >&2; exit 2) - fi - fi -done -debug() { - [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $1" -} +[ -n "$VCSH_DEBUG" ] && set -vx +[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config" +[ -r "$XDG_CONFIG_HOME/vcsh/config" ] && . "$XDG_CONFIG_HOME/vcsh/config" +[ -n "$VCSH_DEBUG" ] && set -vx +[ -z "$VCSH_REPO_D" ] && VCSH_REPO_D="$XDG_CONFIG_HOME/vcsh/repo.d" +[ -z "$VCSH_HOOK_D" ] && VCSH_HOOK_D="$XDG_CONFIG_HOME/vcsh/hooks-enabled" +[ -z "$VCSH_BASE" ] && VCSH_BASE="$HOME" +[ -z "$VCSH_GITIGNORE" ] && VCSH_GITIGNORE='exact' -verbose() { - if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $1"; fi -} +SELF=$(basename $0) -# use Use this repository -# -# exit Exit vcsh mode" >&2 help() { echo "usage: $SELF - help Display this help - - list List all repos - + clone \\ + [] Clone from an existing repository + help Display this help text + delete Delete an existing repository + enter Enter repository; spawn new instance of \$SHELL + init Initialize a new repository + list List all repositories + list-tracked List all files tracked by vcsh + list-tracked-by \\ + List files tracked by a repository + rename \\ + Rename repository run \\ - Use this repository + Use this repository + setup Set up repository with recommended settings + write-gitignore \\ + Write .gitignore.d/ via git ls-files - init Initialize a new repository - clone \\ - [] Clone from an existing repository - seed-gitignore \\ - Seed .gitignore.d/ from git ls-files" >&2 + Shortcut to run git commands directly + Shortcut to enter repository" >&2 } -use() { - verbose "use() begin" - REPO_NAME="$1" - GIT_DIR="$VCSH_BASE/$REPO_NAME.git" - - if [ ! -d "$GIT_DIR" ]; then - echo E: no repository found for "$REPO_NAME" >&2 - return 2 - fi +debug() { + [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@" +} - export GIT_DIR - export GIT_WORK_TREE="$(git config --get core.worktree)" - export VCSH_DIRECTORY="$REPO_NAME" - verbose "use() end" +verbose() { + if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi } -init() { - verbose "init() begin" - [ -e "$GIT_DIR" ] && - echo "$SELF: fatal: $GIT_DIR exists" && - return 21 - export GIT_WORK_TREE="$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" - git init - git config core.worktree "$GIT_WORK_TREE" - git config core.excludesfile ".gitignore.d/$REPO_NAME" - touch "$HOME/.gitignore.d/$REPO_NAME" - git add "$HOME/.gitignore.d/$REPO_NAME" - verbose "init() end" +fatal() { + echo "$SELF: fatal: $1" >&2 + exit $2 } -leave() { - unset GIT_DIR - unset GIT_WORK_TREE - unset VCSH_DIRECTORY +error() { + echo "$SELF: error: $1" >&2 } -if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then - help - [ "$1" = 'help' ] - exit $? +info() { + echo "$SELF: info: $1" +} -elif [ "$1" = 'list' ]; then - verbose "list begin" - for i in "$VCSH_BASE"/*.git; do - echo $(basename "$i" .git) - done - verbose "list end" - exit 0 - -elif [ "$1" = 'run' ]; then - verbose "run begin" - use "$2" - shift 2 - "$@" - leave - verbose "run end" - exit 0 - -#elif [ "$1" = 'use' ]; then -# verbose "use begin" -# if [ -n "$ZSH_VERSION" ]; then -# if [ -o NO_IGNORE_EOF ]; then -# export VCSH_NO_IGNORE_EOF=1 -# setopt IGNORE_EOF -# fi -# vcsh_exit() { -# vcsh exit; -# zle reset-prompt; -# } -# zle -N vcsh_exit -# bindkey '^d' 'vcsh_exit' -# fi -# use $2 -# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1 -# verbose "use end" -# exit 0 - -elif [ "$1" = 'clone' ]; then - verbose "clone begin" - 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" +clone() { init - git remote add origin "$GIT_REMOTE" git config branch.master.remote origin git config branch.master.merge refs/heads/master - git config core.excludesfile ".gitignore.d/$REPO_NAME" + if [ $(git ls-remote origin master 2> /dev/null | wc -l ) -lt 1 ]; then + info "remote is empty, not merging anything" + exit + fi git fetch for object in $(git ls-tree -r origin/master | awk '{print $4}'); do [ -e "$object" ] && - echo "$SELF: error: $object exists." && + error "'$object' exists." && VCSH_CONFLICT=1; done [ "$VCSH_CONFLICT" = '1' ] && - echo "$SELF: fatal: will stop after fetching and not try to merge!\n" && - echo " Once this situation has been resolved, run 'vcsh run git pull' to finish cloning.\n" && - exit 3 + fatal "will stop after fetching and not try to merge! + Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17 git merge origin/master -# vcsh use $REPO_NAME - verbose "clone end" - -elif [ "$1" = 'init' ]; then - verbose "init begin" - [ -z $2 ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0 - export REPO_NAME="$2" - export GIT_DIR="$VCSH_BASE/$REPO_NAME.git" - init -# vcsh use "$REPO_NAME" - verbose "init end" - -#elif [ "$1" = 'exit' ]; then -# verbose "exit begin" -# if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then -# unset VCSH_NO_IGNORE_EOF -# setopt NO_IGNORE_EOF -# fi -# leave -# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1 -# verbose "exit end" -# exit 0 - -elif [ "$1" = 'seed-gitignore' ]; then - verbose "seed-gitignore begin" - [ -z $2 ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0 - use "$2" - # 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 "$HOME" - git config core.excludesfile ".gitignore.d/$REPO_NAME" +} + +delete() { + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 + use + 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 $file || info "could not delete '$file', continuing with deletion" + done + rmdir "$GIT_DIR" || error "could not delete '$GIT_DIR'" +} + +enter() { + hook pre-enter + use + $SHELL + hook post-enter +} + +git_dir_exists() { + [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12 +} + +hook() { + for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do + [ -x "$hook" ] || continue + info "executing '$hook'" + "$hook" + done +} + +init() { + [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10 + export GIT_WORK_TREE="$VCSH_BASE" + mkdir -p "$GIT_WORK_TREE" || fatal "could not create '$GIT_WORK_TREE'" 50 + cd "$GIT_WORK_TREE" || fatal "could not enter '$GIT_WORK_TREE'" 11 + git init + setup +} + +list() { + for i in "$VCSH_REPO_D"/*.git; do + echo $(basename "$i" .git) + done +} + +get_files() { + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + git ls-files +} + +list_tracked() { + for VCSH_REPO_NAME in $(list); do + get_files + done | sort -u +} + +list_tracked_by() { + use + git ls-files | sort -u +} + +rename() { + git_dir_exists + [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54 + mv -f "$GIT_DIR" "$GIT_DIR_NEW" || fatal "Could not mv '$GIT_DIR' '$GIT_DIR_NEW'" 52 + +} + +run() { + hook pre-run + use + $VCSH_EXTERNAL_COMMAND + hook post-run +} + +setup() { + hook pre-setup + use + git config core.worktree "$GIT_WORK_TREE" + git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME" + git config vcsh.vcsh 'true' + [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" + hook post-setup +} + +use() { + git_dir_exists + export GIT_WORK_TREE="$(git config --get core.worktree)" + export VCSH_DIRECTORY="$VCSH_REPO_NAME" +} + +write_gitignore() { + use + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 gitignores=$(for file in $(git ls-files); do while true; do echo $file; new="${file%/*}" [ "$file" = "$new" ] && break file="$new" done; - done | sort -u | sed 's/^/!/') - tempfile=$(mktemp) || - (echo "$SELF: fatal: could not create tempfile" && exit 1) - echo '*' > "$tempfile" + done | sort -u) + tempfile=$(mktemp) || fatal "could not create tempfile" 51 + echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57 for gitignore in $gitignores; do - echo "$gitignore" >> "$tempfile" + echo "$gitignore" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57 + if [ x$VCSH_GITIGNORE = x'recursive' ] && [ -d "$gitignore" ]; then + { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; } + fi done - diff -N "$tempfile" "$HOME/.gitignore.d/$2" > /dev/null && - rm -f "$tempfile" && - return - if [ -e "$HOME/.gitignore.d/$2" ]; then - echo "$SELF: info: $HOME/.gitignore.d/$2 differs from new data, moving it to $HOME/.gitignore.d/$2.bak" - mv -f "$HOME/.gitignore.d/$2" "$HOME/.gitignore.d/$2.bak" || - (echo "$SELF: fatal: could not move $HOME/.gitignore.d/$2 to $HOME/.gitignore.d/$2.bak" && exit 1) + if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then + rm -f "$tempfile" || error "could not delete '$tempfile'" + exit + fi + if [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ]; then + info "'$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME' differs from new data, moving it to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME.bak'" + mv -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME.bak" || + fatal "could not move '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME.bak'" 53 fi - mv -f "$tempfile" "$HOME/.gitignore.d/$2" || - (echo "$SELF: fatal: could not move $tempfile to $HOME/.gitignore.d/$2" && exit 1) - cd "$old_dir" - verbose "seed-gitignore end" + mv -f "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" || + fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53 +} + +if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then + fatal "'\$VCSH_GITIGNORE' must be either 'exact' or 'recursive'" 1 +fi +if [ "$1" = 'clone' ]; then + [ -z $2 ] && fatal "$1: please specify a remote" 1 + export VCSH_COMMAND="$1" + GIT_REMOTE="$2" + [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git) + export VCSH_REPO_NAME + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" +elif [ "$1" = 'delete' ] || + [ "$1" = 'enter' ] || + [ "$1" = 'init' ] || + [ "$1" = 'list-tracked-by' ] || + [ "$1" = 'rename' ] || + [ "$1" = 'run' ] || + [ "$1" = 'setup' ] || + [ "$1" = 'write-gitignore' ]; then + [ -z $2 ] && fatal "$1: please specify repository to work on" 1 + [ "$1" = 'rename' -a -z "$3" ] && fatal "$1: please specify a target name" 1 + [ "$1" = 'run' -a -z "$3" ] && fatal "$1: please specify a command" 1 + export VCSH_COMMAND="$1" + export VCSH_REPO_NAME="$2" + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + [ "$VCSH_COMMAND" = 'rename' ] && export GIT_DIR_NEW="$VCSH_REPO_D/$3.git" + [ "$VCSH_COMMAND" = 'run' ] && shift 2 && export VCSH_EXTERNAL_COMMAND="$*" + [ "$VCSH_COMMAND" = 'write-gitignore' ] +elif [ "$1" = 'list' ] || + [ "$1" = 'list-tracked' ]; then + export VCSH_COMMAND="$1" +elif [ -n "$2" ]; then + export VCSH_COMMAND='run' + export VCSH_REPO_NAME="$1" + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + [ -d $GIT_DIR ] || { help; exit 1; } + shift 1 + export VCSH_EXTERNAL_COMMAND="git $*" +elif [ -n "$1" ]; then + export VCSH_COMMAND='enter' + export VCSH_REPO_NAME="$1" + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + [ -d $GIT_DIR ] || { help; exit 1; } else - verbose "defaulting to calling help()" - help - exit 3 + # $1 is empty, or 'help' + help && exit +fi +# Did we receive a directory instead of a name? +# Mangle the input to fit normal operation. +if echo $VCSH_REPO_NAME | grep -q '/'; then + export GIT_DIR=$VCSH_REPO_NAME + export VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git) fi + +for check_directory in "$VCSH_REPO_D" "$VCSH_BASE/.gitignore.d" +do + if [ ! -d "$check_directory" ]; then + if [ -e "$check_directory" ]; then + fatal "'$check_directory' exists but is not a directory" 13 + else + info "attempting to create '$check_directory'" + mkdir -p "$check_directory" || fatal "could not create '$check_directory'" 50 + fi + fi +done + +verbose "$VCSH_COMMAND begin" +export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g') +$VCSH_COMMAND +verbose "$VCSH_COMMAND end, exiting"