X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/2448eecb5bee6131a84c688007eee74cc2f97ea7..efcfc29cb4b7327752231687ed4052b11532022f:/vcsh?ds=sidebyside diff --git a/vcsh b/vcsh index ba601b4..18e9dfd 100755 --- a/vcsh +++ b/vcsh @@ -1,177 +1,287 @@ #!/bin/sh -[ "$VCSH_DEBUG" = '1' ] && set -x +# This program is licensed under the GNU GPL version 2 or later. +# (c) Richard "RichiH" Hartmann , 2011-2012 +# For details, see LICENSE. To submit patches, you have to agree to +# license your code under the GNU GPL version 2 or later. + + +[ -n "$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' 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 +help() { + echo "usage: $SELF -VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d" + 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 + setup Set up repository with recommended settings + write-gitignore \\ + Write .gitignore.d/ via git ls-files + + Shortcut to run git commands directly + Shortcut to enter repository" >&2 +} debug() { - [ "$VCSH_DEBUG" = '1' ] && echo "$SELF: debug: $1" + [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@" } verbose() { - if [ "$VCSH_DEBUG" = '1' ] || [ "$VCSH_VERBOSE" = '1' ]; then echo "$SELF: verbose: $1"; fi + if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi } -# use Use this repository -help() { - echo "usage: $SELF +fatal() { + echo "$SELF: fatal: $1" >&2 + exit $2 +} - help Display this help +error() { + echo "$SELF: error: $1" >&2 +} + +info() { + echo "$SELF: info: $1" +} - list List all repos +clone() { + init + git remote add origin "$GIT_REMOTE" + git config branch.master.remote origin + git config branch.master.merge refs/heads/master + 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" ] && + error "'$object' exists." && + VCSH_CONFLICT=1; + done + [ "$VCSH_CONFLICT" = '1' ] && + fatal "will stop after fetching and not try to merge! + Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17 + git merge origin/master +} - run - Use this repository +delete() { + cd "$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: - init Initialize a new repository - clone - [] Clone from an existing repository +$files - exit Exit vcsh mode" >&2 +AGAIN, THIS WILL DELETE YOUR DATA! +To continue, type \"Yes, do as I say\"" + read answer + [ "x$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'" } -use() { - verbose "use() begin" - REPO_NAME="$1" - GIT_DIR="$VCSH_BASE/$REPO_NAME.git" +enter() { + hook pre-enter + use + $SHELL + hook post-enter +} - if [ ! -d "$GIT_DIR" ]; then - echo E: no repository found for "$REPO_NAME" >&2 - return 2 - fi +git_dir_exists() { + [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12 +} - export GIT_DIR - export GIT_WORK_TREE="$(git config --get core.worktree)" - export VCSH_DIRECTORY="$REPO_NAME" - verbose "use() end" +hook() { + for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do + [ -x "$hook" ] || continue + "$hook" + done } init() { - verbose "init() begin" - [ -e "$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 $GIT_WORK_TREE + [ ! -e "$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 - git config core.worktree $GIT_WORK_TREE - verbose "init() end" + setup } -leave() { - unset GIT_DIR - unset GIT_WORK_TREE - unset VCSH_DIRECTORY +list() { + for i in "$VCSH_REPO_D"/*.git; do + echo $(basename "$i" .git) + done } -if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then - help - [ "$1" = 'help' ] - exit $? +get_files() { + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + git ls-files +} -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" - init +list_tracked() { + for VCSH_REPO_NAME in $(list); do + get_files + done | sort -u +} - git remote add origin $GIT_REMOTE - git config branch.master.remote origin - git config branch.master.merge refs/heads/master - git fetch - for object in $(git ls-tree -r origin/master | awk '{print $4}'); do - [ -e "$object" ] && - echo "$SELF: error: $object exists." && - VCSH_CONFLICT=1; - done - [ "$VCSH_CONFLICT" = '1' ] && - echo "$SELF: fatal: will stop after fetching and not try to merge!\n" && - exit 3 - git merge origin/master - vcsh use $REPO_NAME - verbose "clone end" +list_tracked_by() { + use + git ls-files | sort -u +} -elif [ "$1" = 'init' ]; then - verbose "init begin" - 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" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then - unset VCSH_NO_IGNORE_EOF - setopt NO_IGNORE_EOF +rename() { + git_dir_exists + [ -d "$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="$new" + done; + done | sort -u) + tempfile=$(mktemp) || fatal "could not create tempfile" 51 + echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57 + for gitignore in $gitignores; do + echo "$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 '$tempfile'" 57; } + fi + done + if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then + rm -f "$tempfile" || error "could not delete '$tempfile'" + exit fi - leave - [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1 - verbose "exit end" - exit 0 + 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 "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" || + fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53 +} +if [ ! x$VCSH_GITIGNORE = x'exact' ] && [ ! x$VCSH_GITIGNORE = x'recursive' ]; 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"