X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/68c93dceb42ee275b339d421bbf77eaf62363d31..0fc1e7e01746a38690ce58be1598b3861366b21b:/vcsh

diff --git a/vcsh b/vcsh
index cfcb42a..0a9e52d 100755
--- a/vcsh
+++ b/vcsh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-[ -n "$VCSH_DEBUG" ]      && set -x
+[ -n "$VCSH_DEBUG" ]      && set -vx
 [ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
 [ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 
@@ -16,15 +16,20 @@ help() {
    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
-
-   seed-gitignore \\
-   <repo>               Seed .gitignore.d/<repo> from git ls-files
    setup                Set up repository with recommended settings
+   write-gitignore \\
+   <repo>               Write .gitignore.d/<repo> via git ls-files
 
    <repo> <git command> Special command that allows you to run git commands
                         directly without having to type so much ;)" >&2
+   <repo>               Special command that enters a repository
 }
 
 debug() {
@@ -66,8 +71,7 @@ clone() {
 }
 
 delete() {
-	old_dir="$PWD"
-	cd "$HOME"
+	cd "$HOME" || fatal "could not enter '$HOME'" 11
 	use
 	info "This operation WILL DETROY DATA!"
 	files=$(git ls-files)
@@ -82,8 +86,7 @@ To continue, type \"Yes, do as I say\""
 	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 "$old_dir"
+	rmdir "$GIT_DIR" || error "could not delete '$GIT_DIR'"
 }
 
 enter() {
@@ -91,10 +94,14 @@ enter() {
 	$SHELL
 }
 
+git_dir_exists() {
+	[ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
+}
+
 init() {
 	[ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
 	export GIT_WORK_TREE="$HOME"
-	mkdir -p "$GIT_WORK_TREE"
+	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
@@ -106,17 +113,51 @@ list() {
 	done
 }
 
+get_files() {
+	export GIT_DIR="$VCSH_BASE/$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() {
 	use
 	$VCSH_EXTERNAL_COMMAND
 }
 
-seed_gitignore() {
+setup() {
+	use
+	git config core.worktree     "$GIT_WORK_TREE"
+	git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
+	git config vcsh.vcsh         'true'
+	[ -e "$HOME/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$HOME/.gitignore.d/$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
-	# 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 "$HOME"
+	cd "$HOME" || fatal "could not enter '$HOME'" 11
 	gitignores=$(for file in $(git ls-files); do
 		while true; do
 			echo $file; new="${file%/*}"
@@ -125,14 +166,15 @@ 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 '$tempfile'" 57
+		[ -d "$gitignore" ] && { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
 	done
-	diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null &&
-		rm -f "$tempfile" &&
+	if diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
+		rm -f "$tempfile" || error "could not delete '$tempfile'"
 		exit
+	fi
 	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" ||
@@ -140,24 +182,6 @@ seed_gitignore() {
 	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/$VCSH_REPO_NAME"
-}
-
-use() {
-	if [ ! -d "$GIT_DIR" ]; then
-		fatal "no repository found for '$VCSH_REPO_NAME'" 12
-	fi
-	export GIT_WORK_TREE="$(git config --get core.worktree)"
-	export VCSH_DIRECTORY="$VCSH_REPO_NAME"
 }
 
 if [ "$1" = 'clone' ]; then
@@ -170,30 +194,48 @@ if [ "$1" = 'clone' ]; then
 elif [ "$1" = 'delete' ] ||
      [ "$1" = 'enter' ] ||
      [ "$1" = 'init' ] ||
+     [ "$1" = 'list-tracked-by' ] ||
+     [ "$1" = 'rename' ] ||
      [ "$1" = 'run' ] ||
-     [ "$1" = 'seed-gitignore' ] ||
-     [ "$1" = 'setup' ]; then
-	[ -z $2 ] && fatal "$1: please specify repository to work on" 1
-	[ "$1" = 'run' -a -z "$3" ] && fatal "$1: please specify a command" 1
+     [ "$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" = 'run' ] && shift 2 && export VCSH_EXTERNAL_COMMAND="$@"
-	[ "$VCSH_COMMAND" = 'seed-gitignore' ] && export VCSH_COMMAND='seed_gitignore'
-elif [ "$1" = 'list' ]; then
+	[ "$VCSH_COMMAND" = 'rename' ]         && export GIT_DIR_NEW="$VCSH_BASE/$3.git"
+	[ "$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 "$1" -a -n "$2" ]; then
+	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 $*"
+elif [ -n "$1" ]; then
+	export VCSH_COMMAND='enter'
+	export VCSH_REPO_NAME="$1"
+	export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
+	[ -d $GIT_DIR ] || { help; exit 1; }
 else
 	# $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_BASE" "$HOME/.gitignore.d"
 do
 	if [ ! -d "$check_directory" ]; then
@@ -207,5 +249,6 @@ do
 done
 
 verbose "$VCSH_COMMAND begin"
+export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g')
 $VCSH_COMMAND
 verbose "$VCSH_COMMAND end, exiting"