X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/9fe9f7d5a182830bf4c71e2c1143cbba9ff12488..11a4aef2d1663b1b3790ad34788227f9d299e1d9:/vcsh?ds=sidebyside diff --git a/vcsh b/vcsh index d0e7b37..2e96300 100755 --- a/vcsh +++ b/vcsh @@ -1,244 +1,590 @@ #!/bin/sh -[ -n "$VCSH_DEBUG" ] && set -x +# This program is licensed under the GNU GPL version 2 or later. +# (c) Richard "RichiH" Hartmann , 2011-2014 +# For details, see LICENSE. To submit patches, you have to agree to +# license your code under the GNU GPL version 2 or later. +# While the following is not legally binding, the author would like to +# explain the choice of GPLv2+ over GPLv3+. +# The author prefers GPLv3+ over GPLv2+ but feels it's better to maintain +# full compatibility's with Git. In case Git ever changes its licensing terms, +# which is admittedly extremely unlikely to the point of being impossible, +# this software will most likely follow suit. + +# This should always be the first line of code to facilitate debugging +[ -n "$VCSH_DEBUG" ] && set -vx + + +# If '.git-HEAD' is appended to the version, you are seeing an unreleased +# version of vcsh; the master branch is supposed to be clean at all times +# so you can most likely just use it nonetheless +VERSION='1.20141009' 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 $check_directory" >&2; exit 2) - fi +fatal() { + echo "$SELF: fatal: $1" >&2 + [ -z $2] && exit 1 + exit $2 +} + +# We need to run getops as soon as possible so we catch -d and other +# options that will modify our behaviour. +# Commands are handled at the end of this script. +while getopts "c:dv" flag; do + if [ x"$1" = x'-d' ] || [ x"$1" = x'--debug' ]; then + set -vx + VCSH_DEBUG=1 + echo "debug mode on" + echo "$SELF $VERSION" + elif [ x"$1" = x'-v' ]; then + VCSH_VERBOSE=1 + echo "verbose mode on" + echo "$SELF $VERSION" + elif [ x"$1" = x'-c' ]; then + VCSH_OPTION_CONFIG=$OPTARG fi + shift 1 done -debug() { - [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $1" +source_all() { + # Source file even if it's in $PWD and does not have any slashes in it + case $1 in + */*) . "$1";; + *) . "$PWD/$1";; + esac; } -verbose() { - if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $1"; fi -} -# use Use this repository -# -# exit Exit vcsh mode" >&2 +# Read configuration and set defaults if anything's not set +[ -n "$VCSH_DEBUG" ] && set -vx +: ${XDG_CONFIG_HOME:="$HOME/.config"} + +# Read configuration files if there are any +[ -r "/etc/vcsh/config" ] && . "/etc/vcsh/config" +[ -r "$XDG_CONFIG_HOME/vcsh/config" ] && . "$XDG_CONFIG_HOME/vcsh/config" +if [ -n "$VCSH_OPTION_CONFIG" ]; then + # Source $VCSH_OPTION_CONFIG if it can be read and is in $PWD of $PATH + if [ -r "$VCSH_OPTION_CONFIG" ]; then + source_all "$VCSH_OPTION_CONFIG" + else + fatal "Can not read configuration file '$VCSH_OPTION_CONFIG'" 1 + fi +fi +[ -n "$VCSH_DEBUG" ] && set -vx + +# Read defaults +: ${VCSH_REPO_D:="$XDG_CONFIG_HOME/vcsh/repo.d"} +: ${VCSH_HOOK_D:="$XDG_CONFIG_HOME/vcsh/hooks-enabled"} +: ${VCSH_OVERLAY_D:="$XDG_CONFIG_HOME/vcsh/overlays-enabled"} +: ${VCSH_BASE:="$HOME"} +: ${VCSH_GITIGNORE:=exact} +: ${VCSH_GITATTRIBUTES:=none} +: ${VCSH_WORKTREE:=absolute} + +if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then + fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1 +fi + +if [ ! "x$VCSH_WORKTREE" = 'xabsolute' ] && [ ! "x$VCSH_WORKTREE" = 'xrelative' ]; then + fatal "'\$VCSH_WORKTREE' must equal 'absolute', or 'relative'" 1 +fi + + help() { - echo "usage: $SELF + echo "usage: $SELF + + options: + -c Source file + -d Enable debug mode + -v Enable verbose mode + commands: clone \\ - [] Clone from an existing repository - help Display this help - delete Delete an existing repository - init Initialize a new repository - list List all repos + [] Clone from an existing repository + commit Commit in all repositories + delete Delete an existing repository + enter Enter repository; spawn new instance of \$SHELL + help Display this help text + init Initialize a new repository + list List all repositories + list-tracked \\ + [] List all files tracked all or one repositories + list-untracked \\ + [<-r>] [] List all files not tracked by all or one repositories + pull Pull from all vcsh remotes + push Push to vcsh remotes + rename \\ + Rename repository run \\ - Use this repository + Use this repository + status [] Show statuses of all/one vcsh repositories + upgrade Upgrade repository to currently recommended settings + version Print version information + which Find substring in name of any tracked file + write-gitignore \\ + Write .gitignore.d/ via git ls-files - 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 "$REPO_NAME" >&2 - return 1 - fi - - export GIT_DIR - export GIT_WORK_TREE="$(git config --get core.worktree)" - export VCSH_DIRECTORY="$REPO_NAME" - verbose "use() end" +debug() { + [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@" } -init() { - verbose "init() begin" - [ -e "$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" -} - -leave() { - unset GIT_DIR - unset GIT_WORK_TREE - unset VCSH_DIRECTORY +verbose() { + if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi } -if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then - help - [ "$1" = 'help' ] - exit $? +error() { + echo "$SELF: error: $1" >&2 +} -elif [ "$1" = 'list' ]; then - verbose "list begin" - for i in "$VCSH_BASE"/*.git; do - echo $(basename "$i" .git) - done - verbose "list end" - exit 0 +info() { + echo "$SELF: info: $1" +} -elif [ "$1" = 'run' ]; then - verbose "run begin" - use "$2" || return 1 - shift 2 - "$@" - 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 "$2" || return 1 -# [ -n "$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() { + hook pre-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" + VCSH_CLONE_ERROR=$(git ls-remote origin master 2>&1) + if [ -n "$VCSH_CLONE_ERROR" ]; then + rm -rf "$GIT_DIR" + fatal "$VCSH_CLONE_ERROR" 1 + fi git fetch - for object in $(git ls-tree -r origin/master | awk '{print $4}'); do + hook pre-merge + git ls-tree -r --name-only origin/master | (while read object; do [ -e "$object" ] && - echo "$SELF: error: $object exists." && - VCSH_CONFLICT=1; + error "'$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 + [ x"$VCSH_CONFLICT" = x'1' ]) && + fatal "will stop after fetching and not try to merge! + Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17 git merge origin/master -# use $REPO_NAME || return 1 - 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/$REPO_NAME.git" - init -# use "$REPO_NAME" || return 1 - 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 || return 1 - # 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" - 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" - for gitignore in $gitignores; do - echo "$gitignore" >> "$tempfile" + hook post-merge + hook post-clone + retire + hook post-clone-retired +} + +commit() { + hook pre-commit + for VCSH_REPO_NAME in $(list); do + echo "$VCSH_REPO_NAME: " + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + use + git commit --untracked-files=no --quiet + VCSH_COMMAND_RETURN_CODE=$? + echo done - diff -N "$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/$2.bak" && exit 1) - fi - mv -f "$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" - -elif [ "$1" = 'delete' ]; then - verbose "delete begin" - REPO_NAME=$2 - [ -z $REPO_NAME ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0 - old_dir="$PWD" - cd "$HOME" - use $REPO_NAME || return 1 - echo "$SELF: info: This operation WILL DETROY DATA!" + hook post-commit +} + +delete() { + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 + use + info "This operation WILL DESTROY DATA!" files=$(git ls-files) - echo "These files would be deleted: + echo "These files will be deleted: $files AGAIN, THIS WILL DELETE YOUR DATA! -To continue, type \"Yes, do as I say\"" +To continue, type 'Yes, do as I say'" read answer - [ "x$answer" = "xYes, do as I say" ] || exit + [ "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" + rm -f $file || info "could not delete '$file', continuing with deletion" + done + rm -rf "$GIT_DIR" || error "could not delete '$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 + verbose "executing '$hook'" + "$hook" done - rm -rf "$VCSH_BASE/$REPO_NAME.git" || echo "$SELF: info: could not delete '$VCSH_BASE/$REPO_NAME.git'" - cd "$old_dir" - verbose "delete end" +} + +init() { + hook pre-init + [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10 + mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50 + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 + git init --shared=0600 + upgrade + hook post-init +} + +list() { + for repo in "$VCSH_REPO_D"/*.git; do + [ -d "$repo" ] && [ -r "$repo" ] && echo "$(basename "$repo" .git)" + done +} + +get_files() { + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + git ls-files +} + +list_tracked() { + VCSH_REPO_NAME=$2; export VCSH_REPO_NAME + if [ -n "$VCSH_REPO_NAME" ]; then + get_files | list_tracked_helper + else + for VCSH_REPO_NAME in $(list); do + get_files + done | list_tracked_helper + fi +} + +list_tracked_helper() { + sed "s,^,$(printf '%s\n' "$VCSH_BASE/" | sed 's/[,\&]/\\&/g')," | sort -u +} + +list_tracked_by() { + list_tracked $2 +} + +list_untracked() { + command -v 'comm' >/dev/null 2>&1 || fatal "Could not find 'comm'" + temp_file_others=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file' + temp_file_untracked=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file' + temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file' + # Hack in support for `vcsh list-untracked -r`... + directory_opt="--directory" + shift 1 + while getopts "r" flag; do + if [ x"$1" = x'-r' ]; then + unset directory_opt + fi + shift 1 + done + # ...and parse for a potential parameter afterwards. As we shifted things out of $* in during getops, we need to look at $1 + VCSH_REPO_NAME=$1; export VCSH_REPO_NAME + + if [ -n "$VCSH_REPO_NAME" ]; then + list_untracked_helper $VCSH_REPO_NAME + else + for VCSH_REPO_NAME in $(list); do + list_untracked_helper $VCSH_REPO_NAME + done + fi + cat $temp_file_untracked + + unset directory_opt directory_component + rm -f $temp_file_others $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not delete temp files' +} + +list_untracked_helper() { + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + git ls-files --others "$directory_opt" | ( + while read line; do + echo "$line" + directory_component=${line%%/*} + [ -d "$directory_component" ] && printf '%s/\n' "$directory_component" + done + ) | sort -u > $temp_file_others + if [ -z "$ran_once" ]; then + ran_once=1 + cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file' + fi + cp $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not copy temp file' + comm -12 --nocheck-order $temp_file_others $temp_file_untracked_copy > $temp_file_untracked +} + +pull() { + hook pre-pull + for VCSH_REPO_NAME in $(list); do + printf '%s: ' "$VCSH_REPO_NAME" + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + use + git pull + VCSH_COMMAND_RETURN_CODE=$? + echo + done + hook post-pull +} + +push() { + hook pre-push + for VCSH_REPO_NAME in $(list); do + printf '%s: ' "$VCSH_REPO_NAME" + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + use + git push + VCSH_COMMAND_RETURN_CODE=$? + echo + done + hook post-push +} + +retire() { + unset VCSH_DIRECTORY +} + +rename() { + git_dir_exists + [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54 + mv -f "$GIT_DIR" "$GIT_DIR_NEW" || fatal "Could not mv '$GIT_DIR' '$GIT_DIR_NEW'" 52 + + # Now that the repository has been renamed, we need to fix up its configuration + # Overwrite old name.. + GIT_DIR=$GIT_DIR_NEW + VCSH_REPO_NAME=$VCSH_REPO_NAME_NEW + # ..and clobber all old configuration + upgrade +} + +run() { + hook pre-run + use + "$@" + VCSH_COMMAND_RETURN_CODE=$? + hook post-run +} + +status() { + if [ -n "$VCSH_REPO_NAME" ]; then + status_helper $VCSH_REPO_NAME + else + for VCSH_REPO_NAME in $(list); do + echo "$VCSH_REPO_NAME:" + status_helper $VCSH_REPO_NAME + echo + done + fi +} + +status_helper() { + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + use + git status --short --untracked-files='no' + VCSH_COMMAND_RETURN_CODE=$? +} + +upgrade() { + hook pre-upgrade + # fake-bare repositories are not bare, actually. Set this to false + # because otherwise Git complains "fatal: core.bare and core.worktree + # do not make sense" + git config core.bare false + # core.worktree may be absolute or relative to $GIT_DIR, depending on + # user preference + if [ ! "x$VCSH_WORKTREE" = 'xabsolute' ]; then + git config core.worktree "$(cd "$GIT_DIR" && GIT_WORK_TREE=$VCSH_BASE git rev-parse --show-cdup)" + elif [ ! "x$VCSH_WORKTREE" = 'xrelative' ]; then + git config core.worktree "$VCSH_BASE" + fi + [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME" + [ ! "x$VCSH_GITATTRIBUTES" = 'xnone' ] && git config core.attributesfile ".gitattributes.d/$VCSH_REPO_NAME" + git config vcsh.vcsh 'true' + use + [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" + [ -e "$VCSH_BASE/.gitattributes.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitattributes.d/$VCSH_REPO_NAME" + hook post-upgrade +} + +use() { + git_dir_exists + VCSH_DIRECTORY=$VCSH_REPO_NAME; export VCSH_DIRECTORY +} + +which() { + [ -e "$VCSH_COMMAND_PARAMETER" ] || fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1 + for VCSH_REPO_NAME in $(list); do + for VCSH_FILE in $(get_files); do + echo "$VCSH_FILE" | grep -q "$VCSH_COMMAND_PARAMETER" && echo "$VCSH_REPO_NAME: $VCSH_FILE" + done + done | sort -u +} + +write_gitignore() { + # Don't do anything if the user does not want to write gitignore + if [ "x$VCSH_GITIGNORE" = 'xnone' ]; then + info "Not writing gitignore as '\$VCSH_GITIGNORE' is set to 'none'" + exit + fi + + use + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 + OLDIFS=$IFS + IFS=$(printf '\n\t') + gitignores=$(for file in $(git ls-files); do + while true; do + echo "$file"; new=${file%/*} + [ x"$file" = x"$new" ] && break + file=$new + done; + done | sort -u) + + # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files + # Using a template makes GNU mktemp default to $PWD and not #TMPDIR for tempfile location + # To make every OS happy, set full path explicitly + tempfile=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal "could not create tempfile: '${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$VCSH_GITIGNORE" = 'xrecursive' ] && [ -d "$gitignore" ]; then + { echo "$gitignore/*" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; } + fi + done + IFS=$OLDIFS + 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" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" || + fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53 +} + +debug $(git version) + +if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then + fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1 +fi + +VCSH_COMMAND=$1; export VCSH_COMMAND + +case $VCSH_COMMAND in + clon|clo|cl) VCSH_COMMAND=clone;; + commi|comm|com|co) VCSH_COMMAND=commit;; + delet|dele|del|de) VCSH_COMMAND=delete;; + ente|ent|en) VCSH_COMMAND=enter;; + hel|he) VCSH_COMMAND=help;; + ini|in) VCSH_COMMAND=init;; + pul) VCSH_COMMAND=pull;; + pus) VCSH_COMMAND=push;; + renam|rena|ren|re) VCSH_COMMAND=rename;; + ru) VCSH_COMMAND=run;; + statu|stat|sta|st) VCSH_COMMAND=status;; + upgrad|upgra|upgr|up) VCSH_COMMAND=upgrade;; + versio|versi|vers|ver|ve) VCSH_COMMAND=version;; + which|whi|wh) VCSH_COMMAND=which;; + write|writ|wri|wr) VCSH_COMMAND=write-gitignore;; +esac + +if [ x"$VCSH_COMMAND" = x'clone' ]; then + [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1 + GIT_REMOTE="$2" + [ -n "$3" ] && VCSH_REPO_NAME=$3 || VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git) + [ -z "$VCSH_REPO_NAME" ] && fatal "$VCSH_COMMAND: could not determine repository name" 1 + export VCSH_REPO_NAME + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR +elif [ "$VCSH_COMMAND" = 'version' ]; then + echo "$SELF $VERSION" + git version + exit +elif [ x"$VCSH_COMMAND" = x'which' ]; then + [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a filename" 1 + [ -n "$3" ] && fatal "$VCSH_COMMAND: too many parameters" 1 + VCSH_COMMAND_PARAMETER=$2; export VCSH_COMMAND_PARAMETER +elif [ x"$VCSH_COMMAND" = x'delete' ] || + [ x"$VCSH_COMMAND" = x'enter' ] || + [ x"$VCSH_COMMAND" = x'init' ] || + [ x"$VCSH_COMMAND" = x'list-tracked-by' ] || + [ x"$VCSH_COMMAND" = x'rename' ] || + [ x"$VCSH_COMMAND" = x'run' ] || + [ x"$VCSH_COMMAND" = x'upgrade' ] || + [ x"$VCSH_COMMAND" = x'write-gitignore' ]; then + [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify repository to work on" 1 + [ x"$VCSH_COMMAND" = x'rename' ] && [ -z "$3" ] && fatal "$VCSH_COMMAND: please specify a target name" 1 + [ x"$VCSH_COMMAND" = x'run' ] && [ -z "$3" ] && fatal "$VCSH_COMMAND: please specify a command" 1 + VCSH_REPO_NAME=$2; export VCSH_REPO_NAME + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + [ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW; + GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; } + [ x"$VCSH_COMMAND" = x'run' ] && shift 2 +elif [ x"$VCSH_COMMAND" = x'commit' ] || + [ x"$VCSH_COMMAND" = x'list' ] || + [ x"$VCSH_COMMAND" = x'list-tracked' ] || + [ x"$VCSH_COMMAND" = x'list-untracked' ] || + [ x"$VCSH_COMMAND" = x'pull' ] || + [ x"$VCSH_COMMAND" = x'push' ]; then + : +elif [ x"$VCSH_COMMAND" = x'status' ]; then + VCSH_REPO_NAME=$2; export VCSH_REPO_NAME +elif [ -n "$2" ]; then + VCSH_COMMAND='run'; export VCSH_COMMAND + VCSH_REPO_NAME=$1; export VCSH_REPO_NAME + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + [ -d "$GIT_DIR" ] || { help; exit 1; } + shift 1 + set -- "git" "$@" +elif [ -n "$VCSH_COMMAND" ]; then + VCSH_COMMAND='enter'; export VCSH_COMMAND + VCSH_REPO_NAME=$1; export VCSH_REPO_NAME + GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR + [ -d "$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 + GIT_DIR=$VCSH_REPO_NAME; export GIT_DIR + VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git); export VCSH_REPO_NAME fi +check_dir() { + check_directory="$1" + if [ ! -d "$check_directory" ]; then + if [ -e "$check_directory" ]; then + fatal "'$check_directory' exists but is not a directory" 13 + else + verbose "attempting to create '$check_directory'" + mkdir -p "$check_directory" || fatal "could not create '$check_directory'" 50 + fi + fi +} + +check_dir "$VCSH_REPO_D" +[ ! "x$VCSH_GITIGNORE" = 'xnone' ] && check_dir "$VCSH_BASE/.gitignore.d" +[ ! "x$VCSH_GITATTRIBUTES" = 'xnone' ] && check_dir "$VCSH_BASE/.gitattributes.d" + +verbose "$VCSH_COMMAND begin" +VCSH_COMMAND=$(echo "$VCSH_COMMAND" | sed 's/-/_/g'); export VCSH_COMMAND + +# Source repo-specific configuration file +[ -r "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME" ] && . "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME" + +# source overlay functions +for overlay in "$VCSH_OVERLAY_D/$VCSH_COMMAND"* "$VCSH_OVERLAY_D/$VCSH_REPO_NAME.$VCSH_COMMAND"*; do + [ -r "$overlay" ] || continue + info "sourcing '$overlay'" + . "$overlay" +done + +hook pre-command +$VCSH_COMMAND "$@" +hook post-command +verbose "$VCSH_COMMAND end, exiting" +exit $VCSH_COMMAND_RETURN_CODE