#!/bin/sh
-[ -n "$VCSH_DEBUG" ] && set -x
-[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
-[ -z "$VCSH_BASE" ] && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
+# This program is licensed under the GNU GPL version 2 or later.
+# (c) Richard "RichiH" Hartmann <richih.mailinglist@gmail.com>, 2011-2013
+# For details, see LICENSE. To submit patches, you have to agree to
+# license your code under the GNU GPL version 2 or later.
+
+# While the following is not legally binding, the author would like to
+# explain the choice of GPLv2+ over GPLv3+.
+# The author prefers GPLv3+ over GPLv2+ but feels it's better to maintain
+# full compatibility's with git. In case git ever changes its licensing terms,
+# which is admittedly extremely unlikely to the point of being impossible,
+# this software will most likely follow suit.
+
+# This should always be the first line of code to facilitate debugging
+[ -n "$VCSH_DEBUG" ] && set -vx
+
+basename() {
+ # Implemented in shell to avoid spawning another process
+ local file
+ file="${1##*/}"
+ [ -z "$2" ] || file="${file%$2}"
+ echo "$file"
+}
SELF=$(basename $0)
+VERSION='1.20130614'
+
+fatal() {
+ echo "$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' ] || [ "$1" = '--debug' ]; then
+ set -vx
+ VCSH_DEBUG=1
+ echo "$SELF $VERSION"
+ elif [ "$1" = '-v' ];then
+ VCSH_VERBOSE=1
+ echo "$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"
+
+# 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 "$VCSH_DEBUG" ] && set -vx
+
+# Read defaults
+[ -z "$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'
+
help() {
- echo "usage: $SELF <args>
+ echo "usage: $SELF <options> <command>
+ options:
+ -c <file> Source file
+ -d Enable debug mode
+ -v Enable verbose mode
+
+ commands:
clone <remote> \\
[<repo>] Clone from an existing repository
+ delete <repo> Delete an existing repository
+ enter <repo> Enter repository; spawn new instance of \$SHELL
help Display this help text
- delete Delete an existing repository
- enter Enter repository; spawn new $SHELL
init <repo> Initialize a new repository
list List all repositories
+ list-tracked List all files tracked by vcsh
+ list-tracked-by \\
+ <repo> List files tracked by a repository
+ rename <repo> \\
+ <newname> Rename repository
run <repo> \\
<command> Use this repository
+ upgrade <repo> Upgrade repository to currently recommended settings
+ version Print version information
+ which <substring> Find substring in name of any tracked file
+ write-gitignore \\
+ <repo> Write .gitignore.d/<repo> via git ls-files
- seed-gitignore \\
- <repo> Seed .gitignore.d/<repo> from git ls-files
- setup Set up repository with recommended settings
-
- <repo> <git command> Special command that allows you to run git commands
- directly without having to type so much ;)" >&2
+ <repo> <git command> Shortcut to run git commands directly
+ <repo> Shortcut to enter repository" >&2
}
debug() {
if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
}
-error () {
+error() {
echo "$SELF: error: $1" >&2
}
-fatal () {
- echo "$SELF: fatal error: $1" >&2
- exit $2
+info() {
+ echo "$SELF: info: $1"
}
-setup() {
- git config core.worktree "$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/$VCSH_REPO_NAME"
-}
-
-init() {
- verbose "init() begin"
- [ ! -e "$GIT_DIR" ] || fatal "$GIT_DIR exists" 10
- export GIT_WORK_TREE="$HOME"
- mkdir -p "$GIT_WORK_TREE"
- cd "$GIT_WORK_TREE" || fatal "could not enter $GIT_WORK_TREE" 11
- cd "$GIT_WORK_TREE"
- git init
- setup
- verbose "init() end"
-}
-
-use() {
- verbose "use() begin"
- if [ ! -d "$GIT_DIR" ]; then
- error "no repository found for '$VCSH_REPO_NAME'"
- return 12
- fi
- export GIT_DIR
- export GIT_WORK_TREE="$(git config --get core.worktree)"
- export VCSH_DIRECTORY="$VCSH_REPO_NAME"
- verbose "use() end"
-}
-
-
-if [ "$1" = 'clone' ]; then
- export VCSH_COMMAND="$1"
- GIT_REMOTE="$2"
- export GIT_REMOTE
- VCSH_REPO_NAME="$3"
- [ -z "$VCSH_REPO_NAME" ] && 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" = 'run' ] ||
- [ "$1" = 'seed-gitignore' ] ||
- [ "$1" = 'setup' ]; then
- [ -z $2 ] && fatal "$1: please specify repository to work on" 1
- export VCSH_COMMAND="$1"
- export VCSH_REPO_NAME="$2"
- export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
- shift 2
- export VCSH_EXTERNAL_COMMAND="$*"
- if [ "$VCSH_COMMAND" = 'run' ]; then
- [ -z "$VCSH_EXTERNAL_COMMAND" ] && fatal "$1 $2: please specify a command" 1
- fi
-elif [ "$1" = 'help' ] ||
- [ "$1" = 'list' ]; then
- export VCSH_COMMAND="$1"
-else
- [ -z $1 ] && help && exit 0
- export VCSH_COMMAND='run'
- export VCSH_REPO_NAME="$1"
- export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
- [ -d $GIT_DIR ] || { help; exit 1; }
- shift 1
- export VCSH_EXTERNAL_COMMAND="git $*"
-fi
-
-
-for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d"
-do
- if [ ! -d "$check_directory" ]; then
- if [ -e "$check_directory" ]; then
- fatal "$check_directory exists but is not a directory" 13
- else
- echo "$SELF: info: attempting to create $check_directory"
- mkdir -p "$check_directory" || fatal "could not create $check_directory" 50
- fi
- fi
-done
-
-
-if [ "$VCSH_COMMAND" = 'clone' ]; then
- verbose "clone begin"
+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
+ 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 "$object exists." &&
+ error "'$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 <foo> git pull' to finish cloning.\n" 17
+ Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17
git merge origin/master
- verbose "clone end"
-
-#elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
-elif [ "$VCSH_COMMAND" = 'help' ]; then
- help
-
-elif [ "$VCSH_COMMAND" = 'delete' ]; then
- verbose "delete begin"
- old_dir="$PWD"
- cd "$HOME"
- use || exit $?
- echo "$SELF: info: This operation WILL DETROY DATA!"
+ hook post-clone
+}
+
+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 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 $file || echo "$SELF: info: could not delete '$file', continuing with deletion"
+ rm -f $file || info "could not delete '$file', continuing with deletion"
done
- rm -rf "$GIT_DIR" || echo "$SELF: info: could not delete '$GIT_DIR'"
- cd "$old_dir"
- verbose "delete end"
+ rm -rf "$GIT_DIR" || error "could not delete '$GIT_DIR'"
+}
-elif [ "$VCSH_COMMAND" = 'enter' ]; then
- verbose "enter begin"
- use || exit $?
+enter() {
+ hook pre-enter
+ use
$SHELL
- verbose "enter end"
+ hook post-enter
+}
-elif [ "$VCSH_COMMAND" = 'init' ]; then
- verbose "init begin"
- init
- verbose "init end"
+git_dir_exists() {
+ [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
+}
-elif [ "$VCSH_COMMAND" = 'list' ]; then
- verbose "list begin"
- for i in "$VCSH_BASE"/*.git; do
- echo $(basename "$i" .git)
+hook() {
+ for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do
+ [ -x "$hook" ] || continue
+ verbose "executing '$hook'"
+ "$hook"
done
- verbose "list end"
-
-elif [ "$VCSH_COMMAND" = 'run' ]; then
- verbose "run begin"
- use || exit $?
- $VCSH_EXTERNAL_COMMAND
- verbose "run end"
-
-elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
- verbose "seed-gitignore begin"
- use || exit $?
- # 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 "$HOME"
+}
+
+init() {
+ [ ! -e "$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
+ upgrade
+}
+
+list() {
+ for repo in "$VCSH_REPO_D"/*.git; do
+ [ -d "$repo" ] && [ -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 "'$GIT_DIR_NEW' exists" 54
+ mv -f "$GIT_DIR" "$GIT_DIR_NEW" || fatal "Could not mv '$GIT_DIR' '$GIT_DIR_NEW'" 52
+
+}
+
+run() {
+ hook pre-run
+ use
+ "$@"
+ hook post-run
+}
+
+upgrade() {
+ hook pre-upgrade
+ 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-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: $VCSH_FILE"
+ done
+ done | sort -u
+}
+
+write_gitignore() {
+ use
+ cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
gitignores=$(for file in $(git ls-files); do
while true; do
echo $file; new="${file%/*}"
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/$VCSH_REPO_NAME" ]; then
- echo "$SELF: 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 "$old_dir"
- verbose "seed-gitignore end"
+ if [ -e "$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/$VCSH_REPO_NAME'" 53
+}
-elif [ "$VCSH_COMMAND" = 'setup' ]; then
- verbose "seed-gitignore begin"
- use || exit $?
- setup || exit $?
- verbose "seed-gitignore end"
+if [ ! "x$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 [ "$1" = 'version' ]; then
+ echo "$SELF $VERSION"
+ exit
+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" = 'upgrade' ] ||
+ [ "$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
+ [ "$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 $GIT_DIR ] || { help; exit 1; }
+ shift 1
+ set -- "git" "$@"
+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
- fatal "You should never reach this code. File a bug, please." 99
+ # $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 $VCSH_COMMAND | sed 's/-/_/g')
+hook pre-command
+$VCSH_COMMAND "$@"
+hook post-command
+verbose "$VCSH_COMMAND end, exiting"
projects / code / vcsh.git / blobdiff