X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/efcfc29cb4b7327752231687ed4052b11532022f..2affcef3491c37e99361b3748aa6bee7bfb3f972:/vcsh?ds=sidebyside diff --git a/vcsh b/vcsh index 18e9dfd..029a2b2 100755 --- a/vcsh +++ b/vcsh @@ -1,40 +1,123 @@ #!/bin/sh # This program is licensed under the GNU GPL version 2 or later. -# (c) Richard "RichiH" Hartmann , 2011-2012 +# (c) Richard "RichiH" Hartmann , 2011-2013 # 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 "$VCSH_DEBUG" ] && set -vx + + +# If '.git-HEAD' is appended to the version, you are seeing an unreleased +# version of vcsh; the master branch is supposed to be clean at all times +# so you can most likely just use it nonetheless +VERSION='1.20131229.git-HEAD' +SELF=$(basename $0) + +fatal() { + echo "$SELF: fatal: $1" >&2 + 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 [ "$1" = '-d' ] || [ "$1" = '--debug' ]; then + set -vx + VCSH_DEBUG=1 + echo "debug mode on" + echo "$SELF $VERSION" + elif [ "$1" = '-v' ]; then + VCSH_VERBOSE=1 + echo "verbose mode on" + echo "$SELF $VERSION" + elif [ "$1" = '-c' ]; then + VCSH_OPTION_CONFIG=$OPTARG + fi + shift 1 +done + +source_all() { + # Source file even if it's in $PWD and does not have any slashes in it + case "$1" in + */*) . "$1";; + *) . "$PWD/$1";; + esac; +} + + +# Read configuration and set defaults if anything's not set [ -n "$VCSH_DEBUG" ] && set -vx -[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config" +: ${XDG_CONFIG_HOME:=$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 "$VCSH_DEBUG" ] && set -vx -[ -z "$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) +# Read defaults +: ${VCSH_REPO_D:=$XDG_CONFIG_HOME/vcsh/repo.d} +: ${VCSH_HOOK_D:=$XDG_CONFIG_HOME/vcsh/hooks-enabled} +: ${VCSH_BASE:=$HOME} +: ${VCSH_GITIGNORE:=exact} +: ${VCSH_WORKTREE:=absolute} + +if [ ! "x$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: $SELF + options: + -c Source file + -d Enable debug mode + -v Enable verbose mode + + commands: clone \\ [] Clone from an existing repository + commit Commit in all repositories + delete Delete an existing repository + enter Enter repository; spawn new instance of \$SHELL help Display this help text - delete Delete an existing repository - enter Enter repository; spawn new instance of \$SHELL init Initialize a new repository list List all repositories list-tracked List all files tracked by vcsh list-tracked-by \\ List files tracked by a repository + pull Pull from all vcsh remotes + push Push to vcsh remotes rename \\ Rename repository run \\ Use this repository - setup Set up repository with recommended settings + status [] Show statuses of all/one vcsh repositories + upgrade Upgrade repository to currently recommended settings + version Print version information + which Find substring in name of any tracked file write-gitignore \\ Write .gitignore.d/ via git ls-files @@ -50,11 +133,6 @@ verbose() { if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi } -fatal() { - echo "$SELF: fatal: $1" >&2 - exit $2 -} - error() { echo "$SELF: error: $1" >&2 } @@ -64,6 +142,7 @@ info() { } clone() { + hook pre-clone init git remote add origin "$GIT_REMOTE" git config branch.master.remote origin @@ -73,34 +152,52 @@ clone() { exit 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" ] && error "'$object' exists." && - VCSH_CONFLICT=1; + VCSH_CONFLICT=1 done - [ "$VCSH_CONFLICT" = '1' ] && + [ "$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 + Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning." 17 git merge origin/master + 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: " + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + use + git commit --untracked-files=no --quiet + VCSH_COMMAND_RETURN_CODE=$? + echo + done + hook post-commit } delete() { cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 use - info "This operation WILL DETROY DATA!" + info "This operation WILL DESTROY DATA!" files=$(git ls-files) echo "These files will be deleted: $files AGAIN, THIS WILL DELETE YOUR DATA! -To continue, type \"Yes, do as I say\"" +To continue, type 'Yes, do as I say'" read answer - [ "x$answer" = "xYes, do as I say" ] || exit 16 + [ "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'" + rm -rf "$GIT_DIR" || error "could not delete '$GIT_DIR'" } enter() { @@ -117,22 +214,24 @@ git_dir_exists() { hook() { for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do [ -x "$hook" ] || continue + verbose "executing '$hook'" "$hook" done } init() { + hook pre-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 '$GIT_WORK_TREE'" 11 - git init - setup + mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50 + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 + git init --shared=0600 + upgrade + hook post-init } list() { - for i in "$VCSH_REPO_D"/*.git; do - echo $(basename "$i" .git) + for repo in "$VCSH_REPO_D"/*.git; do + [ -d "$repo" ] && [ -r "$repo" ] && echo $(basename "$repo" .git) done } @@ -152,39 +251,121 @@ list_tracked_by() { git ls-files | sort -u } +pull() { + hook pre-pull + for VCSH_REPO_NAME in $(list); do + printf "$VCSH_REPO_NAME: " + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + use + git pull + VCSH_COMMAND_RETURN_CODE=$? + echo + done + hook post-pull +} + +push() { + hook pre-push + for VCSH_REPO_NAME in $(list); do + printf "$VCSH_REPO_NAME: " + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + 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 - $VCSH_EXTERNAL_COMMAND + "$@" + VCSH_COMMAND_RETURN_CODE=$? hook post-run } -setup() { - hook pre-setup +status() { + if [ ! "x$VCSH_REPO_NAME" = "x" ]; then + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + use + git status --short --untracked-files='no' + VCSH_COMMAND_RETURN_CODE=$? + else + for VCSH_REPO_NAME in $(list); do + echo "$VCSH_REPO_NAME:" + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" + use + git status --short --untracked-files='no' + VCSH_COMMAND_RETURN_CODE=$? + echo + done + fi +} + +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" + git config core.attributesfile ".gitattributes.d/$VCSH_REPO_NAME" + git config vcsh.vcsh 'true' use - git config core.worktree "$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/$VCSH_REPO_NAME" - hook post-setup + [ -e "$VCSH_BASE/.gitattributes.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitattributes.d/$VCSH_REPO_NAME" + hook post-upgrade } use() { git_dir_exists - export GIT_WORK_TREE="$(git config --get core.worktree)" export VCSH_DIRECTORY="$VCSH_REPO_NAME" } +which() { + 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%/*}" @@ -192,14 +373,20 @@ write_gitignore() { file="$new" done; done | sort -u) - tempfile=$(mktemp) || fatal "could not create tempfile" 51 + + # 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$VCSH_GITIGNORE = x'recursive' ] && [ -d "$gitignore" ]; then - { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; } + echo "$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 '$tempfile'" exit @@ -213,45 +400,79 @@ write_gitignore() { fatal "could not move '$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 +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 -if [ "$1" = 'clone' ]; then - [ -z $2 ] && fatal "$1: please specify a remote" 1 - export VCSH_COMMAND="$1" +export VCSH_COMMAND="$1" + +case "$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 [ "$VCSH_COMMAND" = '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) + [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git) + [ -z "$VCSH_REPO_NAME" ] && fatal "$VCSH_COMMAND: could not determine repository name" 1 export VCSH_REPO_NAME export GIT_DIR="$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="$1" +elif [ "$VCSH_COMMAND" = 'version' ]; then + echo "$SELF $VERSION" + git version + exit +elif [ "$VCSH_COMMAND" = 'which' ]; then + [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a filename" 1 + [ -n "$3" ] && fatal "$VCSH_COMMAND: too many parameters" 1 + export VCSH_COMMAND_PARAMETER="$2" +elif [ "$VCSH_COMMAND" = 'delete' ] || + [ "$VCSH_COMMAND" = 'enter' ] || + [ "$VCSH_COMMAND" = 'init' ] || + [ "$VCSH_COMMAND" = 'list-tracked-by' ] || + [ "$VCSH_COMMAND" = 'rename' ] || + [ "$VCSH_COMMAND" = 'run' ] || + [ "$VCSH_COMMAND" = 'upgrade' ] || + [ "$VCSH_COMMAND" = 'write-gitignore' ]; then + [ -z $2 ] && fatal "$VCSH_COMMAND: please specify repository to work on" 1 + [ "$VCSH_COMMAND" = 'rename' -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a target name" 1 + [ "$VCSH_COMMAND" = 'run' -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a 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="$1" + [ "$VCSH_COMMAND" = 'rename' ] && { export VCSH_REPO_NAME_NEW="$3"; + export GIT_DIR_NEW="$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git"; } + [ "$VCSH_COMMAND" = 'run' ] && shift 2 +elif [ "$VCSH_COMMAND" = 'commit' ] || + [ "$VCSH_COMMAND" = 'list' ] || + [ "$VCSH_COMMAND" = 'list-tracked' ] || + [ "$VCSH_COMMAND" = 'pull' ] || + [ "$VCSH_COMMAND" = 'push' ]; then + : +elif [ "$VCSH_COMMAND" = 'status' ]; then + export VCSH_REPO_NAME="$2" 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 "$1" ]; then + set -- "git" "$@" +elif [ -n "$VCSH_COMMAND" ]; then export VCSH_COMMAND='enter' export VCSH_REPO_NAME="$1" export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" @@ -265,23 +486,29 @@ fi # 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 $VCSH_REPO_NAME .git) + export VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git) fi - -for check_directory in "$VCSH_REPO_D" "$VCSH_BASE/.gitignore.d" -do +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 - info "attempting to create '$check_directory'" + verbose "attempting to create '$check_directory'" mkdir -p "$check_directory" || fatal "could not create '$check_directory'" 50 fi fi -done +} + +check_dir "$VCSH_REPO_D" +[ ! "x$VCSH_GITIGNORE" = 'xnone' ] && check_dir "$VCSH_BASE/.gitignore.d" +check_dir "$VCSH_BASE/.gitattributes.d" verbose "$VCSH_COMMAND begin" export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g') -$VCSH_COMMAND +hook pre-command +$VCSH_COMMAND "$@" +hook post-command verbose "$VCSH_COMMAND end, exiting" +exit $VCSH_COMMAND_RETURN_CODE