X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/189cb6bd1558c7cb4aabd9fa05624e44ce0afa3d..eb172dd760c077bae0b94756e28b4e7a935b74ca:/vcsh

diff --git a/vcsh b/vcsh
index ba0049e..4fb1c45 100755
--- a/vcsh
+++ b/vcsh
@@ -5,26 +5,81 @@
 # 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 compability with git. In case git ever changes its licensing terms,
+# this software will most likely follow suit.
 
+SELF=$(basename $0)
+
+fatal() {
+	echo "$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
+	elif [ "$1" = '-v' ];then
+		VCSH_VERBOSE=1
+	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'
 
-SELF=$(basename $0)
 
 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 instance of \$SHELL
    init <repo>          Initialize a new repository
    list                 List all repositories
    list-tracked         List all files tracked by vcsh
@@ -34,7 +89,7 @@ help() {
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
-   setup                Set up repository with recommended settings
+   setup <repo>         Set up repository with recommended settings
    which <substring>    Find substring in name of any tracked file
    write-gitignore \\
    <repo>               Write .gitignore.d/<repo> via git ls-files
@@ -51,11 +106,6 @@ verbose() {
 	if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
 }
 
-fatal() {
-	echo "$SELF: fatal: $1" >&2
-	exit $2
-}
-
 error() {
 	echo "$SELF: error: $1" >&2
 }
@@ -133,8 +183,8 @@ init() {
 }
 
 list() {
-	for i in "$VCSH_REPO_D"/*.git; do
-		echo $(basename "$i" .git)
+	for repo in "$VCSH_REPO_D"/*.git; do
+		[ -d "$repo" ] && [ -r "$repo" ] && echo $(basename "$repo" .git)
 	done
 }