X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/4e015a2e8ec5c3d8e3d6b266f883ea72b7011896..d5c11e43b9e6e8fb25206af2a56da6381a4a00e4:/vcsh

diff --git a/vcsh b/vcsh
index 200cab2..8bfafab 100755
--- a/vcsh
+++ b/vcsh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # This program is licensed under the GNU GPL version 2 or later.
-# (c) Richard "RichiH" Hartmann <richih@debian.org>, 2011-2014
+# (c) Richard "RichiH" Hartmann <richih@debian.org>, 2011-2015
 # For details, see LICENSE. To submit patches, you have to agree to
 # license your code under the GNU GPL version 2 or later.
 
@@ -19,11 +19,12 @@
 # If '.git-HEAD' is appended to the version, you are seeing an unreleased
 # version of vcsh; the master branch is supposed to be clean at all times
 # so you can most likely just use it nonetheless
-VERSION='1.20140508'
+VERSION='1.20141026'
 SELF=$(basename $0)
 
 fatal() {
 	echo "$SELF: fatal: $1" >&2
+	[ -z $2 ] && exit 1
 	exit $2
 }
 
@@ -75,6 +76,7 @@ fi
 # Read defaults
 : ${VCSH_REPO_D:="$XDG_CONFIG_HOME/vcsh/repo.d"}
 : ${VCSH_HOOK_D:="$XDG_CONFIG_HOME/vcsh/hooks-enabled"}
+: ${VCSH_OVERLAY_D:="$XDG_CONFIG_HOME/vcsh/overlays-enabled"}
 : ${VCSH_BASE:="$HOME"}
 : ${VCSH_GITIGNORE:=exact}
 : ${VCSH_GITATTRIBUTES:=none}
@@ -107,16 +109,18 @@ help() {
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
-   list-tracked         List all files tracked by vcsh
-   list-tracked-by \\
-        <repo>          List files tracked by a repository
+   list-tracked \\
+        [<repo>]        List all files tracked all or one repositories
+   list-untracked \\
+        [<-r>] [<repo>] List all files not tracked by all or one repositories
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
-   status [<repo>]      Show statuses of all/one vcsh repositories
+   status \\
+     [--terse] [<repo>] Show statuses of all/one vcsh repositories
    upgrade <repo>       Upgrade repository to currently recommended settings
    version              Print version information
    which <substring>    Find substring in name of any tracked file
@@ -151,7 +155,8 @@ clone() {
 	git config branch."$VCSH_BRANCH".remote origin
 	git config branch."$VCSH_BRANCH".merge  refs/heads/"$VCSH_BRANCH"
 	if [ $(git ls-remote origin "$VCSH_BRANCH" 2> /dev/null | wc -l ) -lt 1 ]; then
-		info "remote is empty, not merging anything"
+		info "remote is empty, not merging anything.
+  You should add files to your new repository."
 		exit
 	fi
 	git fetch origin "$VCSH_BRANCH"
@@ -244,16 +249,71 @@ get_files() {
 }
 
 list_tracked() {
-	for VCSH_REPO_NAME in $(list); do
-		get_files
-	done | sed "s,^,$(printf '%s\n' "$VCSH_BASE/" | \
-	    sed 's/[,\&]/\\&/g')," | sort -u
+	VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
+	if [ -n "$VCSH_REPO_NAME" ]; then
+		get_files | list_tracked_helper
+	else
+		for VCSH_REPO_NAME in $(list); do
+			get_files
+		done | list_tracked_helper
+	fi
+}
+
+list_tracked_helper() {
+	sed "s,^,$(printf '%s\n' "$VCSH_BASE/" | sed 's/[,\&]/\\&/g')," | sort -u
 }
 
 list_tracked_by() {
-	use
-	git ls-files | sed "s,^,$(printf '%s\n' "$VCSH_BASE/" | \
-	    sed 's/[,\&]/\\&/g')," | sort -u
+	list_tracked $2
+}
+
+list_untracked() {
+	command -v 'comm' >/dev/null 2>&1 || fatal "Could not find 'comm'"
+
+	temp_file_others=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+	temp_file_untracked=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+	temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+
+	# Hack in support for `vcsh list-untracked -r`...
+	directory_opt="--directory"
+	shift 1
+	while getopts "r" flag; do
+		if [ x"$1" = x'-r' ]; then
+			unset directory_opt
+		fi
+		shift 1
+	done
+	# ...and parse for a potential parameter afterwards. As we shifted things out of $* in during getops, we need to look at $1
+	VCSH_REPO_NAME=$1; export VCSH_REPO_NAME
+
+	if [ -n "$VCSH_REPO_NAME" ]; then
+		list_untracked_helper $VCSH_REPO_NAME
+	else
+		for VCSH_REPO_NAME in $(list); do
+			list_untracked_helper $VCSH_REPO_NAME
+		done
+	fi
+	cat $temp_file_untracked
+
+	unset directory_opt directory_component
+	rm -f $temp_file_others $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not delete temp files'
+}
+
+list_untracked_helper() {
+	export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+	git ls-files --others "$directory_opt" | (
+		while read line; do
+			echo "$line"
+			directory_component=${line%%/*}
+			[ -d "$directory_component" ] && printf '%s/\n' "$directory_component"
+		done
+		) | sort -u > $temp_file_others
+	if [ -z "$ran_once" ]; then
+		ran_once=1
+		cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file'
+	fi
+	cp $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not copy temp file'
+	comm -12 $temp_file_others $temp_file_untracked_copy > $temp_file_untracked
 }
 
 pull() {
@@ -308,23 +368,35 @@ run() {
 }
 
 status() {
+	if [ -t 1 ]; then
+		COLORING="-c color.status=always"
+	fi
 	if [ -n "$VCSH_REPO_NAME" ]; then
-		GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
-		use
-		git status --short --untracked-files='no'
-		VCSH_COMMAND_RETURN_CODE=$?
+		status_helper $VCSH_REPO_NAME
 	else
 		for VCSH_REPO_NAME in $(list); do
-			echo "$VCSH_REPO_NAME:"
-			GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
-			use
-			git status --short --untracked-files='no'
-			VCSH_COMMAND_RETURN_CODE=$?
-			echo
+			STATUS=$(status_helper $VCSH_REPO_NAME "$COLORING")
+			[ -n "$STATUS" -o -z "$VCSH_STATUS_TERSE" ] && echo "$VCSH_REPO_NAME:"
+			[ -n "$STATUS" ]            && echo "$STATUS"
+			[ -z "$VCSH_STATUS_TERSE" ] && echo
 		done
 	fi
 }
 
+status_helper() {
+	GIT_DIR=$VCSH_REPO_D/$1.git; export GIT_DIR
+	VCSH_GIT_OPTIONS=$2
+	use
+	remote_tracking_branch=$(git rev-parse --abbrev-ref --symbolic-full-name @{u} 2> /dev/null) && {
+		commits_behind=$(git log ..${remote_tracking_branch} --oneline | wc -l)
+		commits_ahead=$(git log ${remote_tracking_branch}.. --oneline | wc -l)
+		[ ${commits_behind} -ne 0 ] && echo "Behind $remote_tracking_branch by $commits_behind commits"
+		[ ${commits_ahead} -ne 0 ] && echo "Ahead of $remote_tracking_branch by $commits_ahead commits"
+	}
+	git ${VCSH_GIT_OPTIONS} status --short --untracked-files='no'
+	VCSH_COMMAND_RETURN_CODE=$?
+}
+
 upgrade() {
 	hook pre-upgrade
 	# fake-bare repositories are not bare, actually. Set this to false
@@ -353,6 +425,7 @@ use() {
 }
 
 which() {
+	[ -e "$VCSH_COMMAND_PARAMETER" ] || fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
 	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"
@@ -432,18 +505,28 @@ case $VCSH_COMMAND in
 esac    
 
 if [ x"$VCSH_COMMAND" = x'clone' ]; then
+	VCSH_BRANCH=
 	if [ "$2" = -b ]; then
-		VCSH_BRANCH="$3"
+		VCSH_BRANCH=$3
 		shift
 		shift
-	else
-		VCSH_BRANCH=master
 	fi
 	[ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1
 	GIT_REMOTE="$2"
-	[ -n "$3" ] && VCSH_REPO_NAME=$3 || VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git)
+	[ -n "$VCSH_BRANCH" ] || if [ "$3" = -b ]; then
+		VCSH_BRANCH=$4
+		shift
+		shift
+	fi
+	if [ -n "$3" ]; then
+		VCSH_REPO_NAME=$3
+		[ -z "$VCSH_BRANCH" ] && [ "$4" = -b ] && VCSH_BRANCH=$5
+	else
+		VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git)
+	fi
 	[ -z "$VCSH_REPO_NAME" ] && fatal "$VCSH_COMMAND: could not determine repository name" 1
 	export VCSH_REPO_NAME
+	[ -n "$VCSH_BRANCH" ] || VCSH_BRANCH=master
 	GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
 elif [ "$VCSH_COMMAND" = 'version' ]; then
 	echo "$SELF $VERSION"
@@ -472,10 +555,15 @@ elif [ x"$VCSH_COMMAND" = x'delete' ]           ||
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||
+     [ x"$VCSH_COMMAND" = x'list-untracked' ] ||
      [ x"$VCSH_COMMAND" = x'pull'   ] ||
      [ x"$VCSH_COMMAND" = x'push'   ]; then
 	:
 elif [ x"$VCSH_COMMAND" = x'status' ]; then
+	if [ x"$2" = x'--terse' ]; then
+		VCSH_STATUS_TERSE=1; export VCSH_STATUS_TERSE
+		shift
+	fi
 	VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
 elif [ -n "$2" ]; then
 	VCSH_COMMAND='run'; export VCSH_COMMAND
@@ -519,6 +607,17 @@ check_dir "$VCSH_REPO_D"
 
 verbose "$VCSH_COMMAND begin"
 VCSH_COMMAND=$(echo "$VCSH_COMMAND" | sed 's/-/_/g'); export VCSH_COMMAND
+
+# Source repo-specific configuration file
+[ -r "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME" ] && . "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME"
+
+# source overlay functions
+for overlay in "$VCSH_OVERLAY_D/$VCSH_COMMAND"* "$VCSH_OVERLAY_D/$VCSH_REPO_NAME.$VCSH_COMMAND"*; do
+	[ -r "$overlay" ] || continue
+	info "sourcing '$overlay'"
+	. "$overlay"
+done
+
 hook pre-command
 $VCSH_COMMAND "$@"
 hook post-command