X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/5e352846b9d840bf9370f7b5ea9052c82b07f2c6..bd783af3498a856d27eb0aa616dd09f6b2215fda:/vcsh?ds=inline

diff --git a/vcsh b/vcsh
index 0a9e52d..f922cea 100755
--- a/vcsh
+++ b/vcsh
@@ -1,8 +1,19 @@
 #!/bin/sh
 
-[ -n "$VCSH_DEBUG" ]      && set -vx
-[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
-[ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
+# This program is licensed under the GNU GPL version 2 or later.
+# (c) Richard "RichiH" Hartmann <richih.mailinglist@gmail.com>, 2011
+# For details, see LICENSE. To submit patches, you have to agree to
+# license your code under the GNU GPL version 2 or later.
+
+
+[ -n "$VCSH_DEBUG" ]                  && set -vx
+[ -z "$XDG_CONFIG_HOME" ]             && XDG_CONFIG_HOME="$HOME/.config"
+[ -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)
 
@@ -13,7 +24,7 @@ help() {
          [<repo>]       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
    init <repo>          Initialize a new repository
    list                 List all repositories
    list-tracked         List all files tracked by vcsh
@@ -27,9 +38,8 @@ help() {
    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
+   <repo> <git command> Shortcut to run git commands directly
+   <repo>               Shortcut to enter repository" >&2
 }
 
 debug() {
@@ -58,6 +68,10 @@ 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" ] &&
@@ -71,7 +85,7 @@ clone() {
 }
 
 delete() {
-	cd "$HOME" || fatal "could not enter '$HOME'" 11
+	cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
 	use
 	info "This operation WILL DETROY DATA!"
 	files=$(git ls-files)
@@ -90,17 +104,26 @@ To continue, type \"Yes, do as I say\""
 }
 
 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
+		"$hook"
+	done
+}
+
 init() {
 	[ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
-	export GIT_WORK_TREE="$HOME"
+	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
@@ -108,13 +131,13 @@ init() {
 }
 
 list() {
-	for i in "$VCSH_BASE"/*.git; do
+	for i in "$VCSH_REPO_D"/*.git; do
 		echo $(basename "$i" .git)
 	done
 }
 
 get_files() {
-	export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
+	export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
 	git ls-files
 }
 
@@ -137,16 +160,20 @@ rename() {
 }
 
 run() {
+	hook pre-run
 	use
 	$VCSH_EXTERNAL_COMMAND
+	hook post-run
 }
 
 setup() {
+	hook pre-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"
+	[ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME"
+	hook post-setup
 }
 
 use() {
@@ -157,7 +184,7 @@ use() {
 
 write_gitignore() {
 	use
-	cd "$HOME" || fatal "could not enter '$HOME'" 11
+	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%/*}"
@@ -169,28 +196,34 @@ write_gitignore() {
 	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
-		[ -d "$gitignore" ] && { echo "$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 '$tempfile'" 57; }
+		fi
 	done
-	if diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
+	if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
 		rm -f "$tempfile" || error "could not delete '$tempfile'"
 		exit
 	fi
-	if [ -e "$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/$VCSH_REPO_NAME.bak'" 53
+	if [ -e "$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" "$HOME/.gitignore.d/$VCSH_REPO_NAME" ||
-		fatal "could not move '$tempfile' to '$HOME/.gitignore.d/$VCSH_REPO_NAME'" 53
+	mv -f "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ||
+		fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53
 }
 
+if [ ! x$VCSH_GITIGNORE = x'exact' ] && [ ! x$VCSH_GITIGNORE = x'recursive' ]; 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_BASE/$VCSH_REPO_NAME.git"
+	export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
 elif [ "$1" = 'delete' ] ||
      [ "$1" = 'enter' ] ||
      [ "$1" = 'init' ] ||
@@ -204,24 +237,24 @@ elif [ "$1" = 'delete' ] ||
 	[ "$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/$3.git"
+	export GIT_DIR="$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" -a -n "$2" ]; then
+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_BASE/$VCSH_REPO_NAME.git"
+	export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
 	[ -d $GIT_DIR ] || { help; exit 1; }
 else
 	# $1 is empty, or 'help'
@@ -236,7 +269,7 @@ if echo $VCSH_REPO_NAME | grep -q '/'; then
 fi
 
 
-for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d"
+for check_directory in "$VCSH_REPO_D" "$VCSH_BASE/.gitignore.d"
 do
 	if [ ! -d "$check_directory" ]; then
 		if [ -e "$check_directory" ]; then
@@ -250,5 +283,7 @@ 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"