#!/bin/sh
-[ -n "$VCSH_DEBUG" ] && set -x
+# This program is licensed under the GNU GPL version 2 or later.
+# (c) Richard "RichiH" Hartmann, 2011
+# For details, see LICENSE. To submit patches, you have to agree to
+# license your code under the GNU GPL version 2 or later.
+
+
+[ -n "$VCSH_DEBUG" ] && set -vx
[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
-[ -z "$VCSH_BASE" ] && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
+[ -z "$VCSH_REPO_D" ] && VCSH_REPO_D="$XDG_CONFIG_HOME/vcsh/repo.d"
+[ -z "$VCSH_BASE" ] && VCSH_BASE="$HOME"
SELF=$(basename $0)
-
help() {
echo "usage: $SELF <args>
[<repo>] Clone from an existing repository
help Display this help text
delete Delete an existing repository
+ enter Enter repository; spawn new instance of \$SHELL
init <repo> Initialize a new repository
- list List all repos
+ list List all repositories
+ list-tracked List all files tracked by vcsh
+ list-tracked-by \\
+ <repo> List files tracked by a repository
+ rename <repo> \\
+ <newname> Rename repository
run <repo> \\
<command> Use this repository
+ setup Set up repository with recommended settings
+ write-gitignore \\
+ <repo> Write .gitignore.d/<repo> via git ls-files
- seed-gitignore \\
- <repo> Seed .gitignore.d/<repo> from git ls-files
-
- <repo> <git command> Special command that allows you to run git commands
- directly without having to type so much ;)" >&2
-# use <repo> Use this repository
-#
-# exit Exit vcsh mode" >&2
+ <repo> <git command> Shortcut to run git commands directly
+ <repo> Shortcut to enter repository" >&2
}
debug() {
if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
}
-use() {
- verbose "use() begin"
- if [ ! -d "$GIT_DIR" ]; then
- echo E: no repository found for "$VCSH_REPO_NAME" >&2
- return 1
- fi
- export GIT_DIR
- export GIT_WORK_TREE="$(git config --get core.worktree)"
- export VCSH_DIRECTORY="$VCSH_REPO_NAME"
- verbose "use() end"
+fatal() {
+ echo "$SELF: fatal: $1" >&2
+ exit $2
}
-init() {
- verbose "init() begin"
- [ -e "$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"
+error() {
+ echo "$SELF: error: $1" >&2
}
-leave() {
- unset GIT_DIR
- unset GIT_WORK_TREE
- unset VCSH_DIRECTORY
+info() {
+ echo "$SELF: info: $1"
}
-
-if [ "$1" = 'clone' ]; then
- 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" = 'init' ] ||
- [ "$1" = 'run' ] ||
- [ "$1" = 'seed-gitignore' ]; then
- [ -z $2 ] && echo "$SELF $1: error: please specify repository to work on" && return 1
- [ -z $3 ] && echo "$SELF $1 $2: error: please specify a command" && return 1
- export VCSH_COMMAND="$1"
- export VCSH_REPO_NAME="$2"
- export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
- shift 2
- export VCSH_EXTERNAL_COMMAND="$*"
-elif [ "$1" = 'help' ] ||
- [ "$1" = 'list' ]; then
- export VCSH_COMMAND="$1"
-else
- [ -z $1 ] && help && return 0
- export VCSH_COMMAND='run'
- export VCSH_REPO_NAME="$1"
- export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
- [ -d $GIT_DIR ] || (help && return 1) || return 0
- 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 "$check_directory" ]; then
- echo "$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 $check_directory" >&2; exit 2)
- fi
- fi
-done
-
-
-if [ "$VCSH_COMMAND" = 'clone' ]; then
- verbose "clone begin"
+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" ] &&
- echo "$SELF: error: $object exists." &&
+ error "'$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 <foo> git pull' to finish cloning.\n" &&
- exit 3
+ fatal "will stop after fetching and not try to merge!
+ Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17
git merge origin/master
-# use || return 1
- verbose "clone end"
-
-elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
- help
-
-elif [ "$VCSH_COMMAND" = 'delete' ]; then
- verbose "delete begin"
- old_dir="$PWD"
- cd "$HOME"
- use || return 1
- echo "$SELF: info: This operation WILL DETROY DATA!"
+}
+
+delete() {
+ cd "$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:
AGAIN, THIS WILL DELETE YOUR DATA!
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 "$GIT_DIR" || echo "$SELF: info: could not delete '$GIT_DIR'"
- cd "$old_dir"
- verbose "delete end"
-
-#elif [ "$VCSH_COMMAND" = 'exit' ]; then
-# verbose "exit begin"
-# if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
-# unset VCSH_NO_IGNORE_EOF
-# setopt NO_IGNORE_EOF
-# fi
-# leave
-# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-# verbose "exit end"
-# exit 0
-
-elif [ "$VCSH_COMMAND" = 'init' ]; then
- verbose "init begin"
- init
-# use || return 1
- verbose "init end"
+ rmdir "$GIT_DIR" || error "could not delete '$GIT_DIR'"
+}
+
+enter() {
+ use
+ $SHELL
+}
+
+git_dir_exists() {
+ [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
+}
-elif [ "$VCSH_COMMAND" = 'list' ]; then
- verbose "list begin"
- for i in "$VCSH_BASE"/*.git; do
+init() {
+ [ ! -e "$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
+}
+
+list() {
+ for i in "$VCSH_REPO_D"/*.git; do
echo $(basename "$i" .git)
done
- verbose "list end"
+}
+
+get_files() {
+ export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+ git ls-files
+}
-elif [ "$VCSH_COMMAND" = 'run' ]; then
- verbose "run begin"
- use || return 1
+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() {
+ use
$VCSH_EXTERNAL_COMMAND
- leave
- verbose "run end"
-
-elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
- verbose "seed-gitignore begin"
- use || 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 "$HOME"
+}
+
+setup() {
+ use
+ git config core.worktree "$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/$VCSH_REPO_NAME"
+}
+
+use() {
+ git_dir_exists
+ export GIT_WORK_TREE="$(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="$new"
done;
- done | sort -u | sed 's/^/!/')
- tempfile=$(mktemp) ||
- (echo "$SELF: fatal: could not create tempfile" && exit 1)
- echo '*' > "$tempfile"
+ 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" >> "$tempfile"
+ echo "$gitignore" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57
+ [ -d "$gitignore" ] && { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
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/$2.bak" && exit 1)
+ if diff -N "$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 "$tempfile" "$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 [ "$VCSH_COMMAND" = 'use' ]; then
-# verbose "use begin"
-# if [ -n "$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 || return 1
-# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-# verbose "use end"
+ 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 [ "$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 $GIT_DIR ] || { help; exit 1; }
else
- verbose "defaulting to calling help()"
- help
- echo "$SELF: fatal: You should never reach this code. File a bug, please."
- exit 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 $VCSH_COMMAND | sed 's/-/_/g')
+$VCSH_COMMAND
+verbose "$VCSH_COMMAND end, exiting"
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