X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/935df7b27742bd2677fe8b74586ece85e138de68..47558cb545fbf6e175c75fe04741ffd78754f222:/vcsh diff --git a/vcsh b/vcsh index 7d1f5aa..ce8d385 100755 --- a/vcsh +++ b/vcsh @@ -1,8 +1,24 @@ #!/bin/sh -[ -n "$VCSH_DEBUG" ] && set -x -[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config" -[ -z "$VCSH_BASE" ] && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d" +# This program is licensed under the GNU GPL version 2 or later. +# (c) Richard "RichiH" Hartmann , 2011-2012 +# For details, see LICENSE. To submit patches, you have to agree to +# license your code under the GNU GPL version 2 or later. + +# While the following is not legally binding, the author would like to +# explain the choice of GPLv2+ over GPLv3+. +# The author prefers GPLv3+ over GPLv2+ but feels it's better to maintain +# full compability with git. In case git ever changes its licensing terms, +# this software will most likely follow suit. + +[ -n "$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) @@ -11,22 +27,25 @@ help() { clone \\ [] Clone from an existing repository - help Display this help text delete Delete an existing repository - enter Enter repository; spawn new $SHELL + enter Enter repository; spawn new instance of \$SHELL + help Display this help text init Initialize a new repository list List all repositories + list-tracked List all files tracked by vcsh + list-tracked-by \\ + List files tracked by a repository rename \\ Rename repository run \\ Use this repository - - seed-gitignore \\ - Seed .gitignore.d/ from git ls-files setup Set up repository with recommended settings + which Find substring in name of any tracked file + write-gitignore \\ + Write .gitignore.d/ via git ls-files - Special command that allows you to run git commands - directly without having to type so much ;)" >&2 + Shortcut to run git commands directly + Shortcut to enter repository" >&2 } debug() { @@ -55,6 +74,10 @@ clone() { git remote add origin "$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" ] && @@ -68,8 +91,7 @@ clone() { } delete() { - old_dir="$PWD" - cd "$HOME" + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 use info "This operation WILL DETROY DATA!" files=$(git ls-files) @@ -78,40 +100,65 @@ delete() { $files AGAIN, THIS WILL DELETE YOUR DATA! -To continue, type \"Yes, do as I say\"" +To continue, type 'Yes, do as I say'" read answer - [ "x$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 - rm -rf "$GIT_DIR" || info "could not delete '$GIT_DIR'" - cd "$old_dir" + rm -r "$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="$HOME" - mkdir -p "$GIT_WORK_TREE" + 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_BASE"/*.git; do - echo $(basename "$i" .git) + for repo in "$VCSH_REPO_D"/*.git; do + [ -r "$repo" ] && echo $(basename "$repo" .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 @@ -120,16 +167,39 @@ rename() { } run() { + hook pre-run use $VCSH_EXTERNAL_COMMAND + hook post-run } -seed_gitignore() { +setup() { + hook pre-setup use - # 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 "$HOME" + git config core.worktree "$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" +} + +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: $VCSH_FILE" + done + done | sort -u +} + +write_gitignore() { + use + cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11 gitignores=$(for file in $(git ls-files); do while true; do echo $file; new="${file%/*}" @@ -138,77 +208,88 @@ seed_gitignore() { done; done | sort -u) tempfile=$(mktemp) || fatal "could not create tempfile" 51 - echo '*' > "$tempfile" + echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57 for gitignore in $gitignores; do - echo "$gitignore" | sed 's/^/!/' >> "$tempfile" - [ -d "$gitignore" ] && echo "$gitignore/*" | sed 's/^/!/'>> "$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/$VCSH_REPO_NAME" > /dev/null && - rm -f "$tempfile" && + if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then + rm -f "$tempfile" || error "could not delete '$tempfile'" exit - if [ -e "$HOME/.gitignore.d/$VCSH_REPO_NAME" ]; then - info "'$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/$VCSH_REPO_NAME.bak'" 53 fi - mv -f "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" || - fatal "could not move '$tempfile' to '$HOME/.gitignore.d/$VCSH_REPO_NAME'" 53 - cd "$old_dir" -} - -setup() { - use - 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" + 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 } -use() { - git_dir_exists - export GIT_WORK_TREE="$(git config --get core.worktree)" - export VCSH_DIRECTORY="$VCSH_REPO_NAME" -} +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 + [ -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_BASE/$VCSH_REPO_NAME.git" -elif [ "$1" = 'delete' ] || - [ "$1" = 'enter' ] || - [ "$1" = 'init' ] || - [ "$1" = 'rename' ] || - [ "$1" = 'run' ] || - [ "$1" = 'seed-gitignore' ] || - [ "$1" = 'setup' ]; then + export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git" +elif [ "$1" = 'which' ]; then + [ -z "$2" ] && fatal "$1: please specify a filename" 1 + [ -n "$3" ] && fatal "$1: too many parameters" 1 + export VCSH_COMMAND="$1" + export VCSH_COMMAND_PARAMETER="$2" +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_BASE/$VCSH_REPO_NAME.git" - [ "$VCSH_COMMAND" = 'rename' ] && export GIT_DIR_NEW="$VCSH_BASE/$3.git" - [ "$VCSH_COMMAND" = 'run' ] && shift 2 && export VCSH_EXTERNAL_COMMAND="$@" - [ "$VCSH_COMMAND" = 'seed-gitignore' ] && export VCSH_COMMAND='seed_gitignore' -elif [ "$1" = 'list' ]; then + export GIT_DIR="$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 "$1" ]; then - export VCSH_COMMAND=run +elif [ -n "$2" ]; then + export VCSH_COMMAND='run' export VCSH_REPO_NAME="$1" - export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git" + export GIT_DIR="$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 # $1 is empty, or 'help' help && exit fi -for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d" +# 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 @@ -221,5 +302,8 @@ do done verbose "$VCSH_COMMAND begin" +export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g') +hook pre-command $VCSH_COMMAND +hook post-command verbose "$VCSH_COMMAND end, exiting"