Make INSTALL easy to use by way of templating

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index c12ee740b565282156f22a812134b7a7a5a27e3c..0df962b0b6cc48def7ef63e95243c8e91d92ab35 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-[ "$VCSH_DEBUG" = '1' ] && set -x
+[ -n "$VCSH_DEBUG" ] && set -x
 
 SELF=$(basename $0)
 
@@ -20,11 +20,11 @@ done
 VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 
 debug() {
-       [ "$VCSH_DEBUG" = '1' ] && echo "$SELF: debug: $1"
+       [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $1"
 }
 
 verbose() {
-       if [ "$VCSH_DEBUG" = '1' ] || [ "$VCSH_VERBOSE" = '1' ]; then echo "$SELF: verbose: $1"; fi
+       if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $1"; fi
 }
 
 #   use <repo>     Use this repository
@@ -42,7 +42,7 @@ help() {
 
    init <repo>       Initialize a new repository
    clone <remote> \\
-         [<repo>]    Clone from an existing repository
+         [<repo>]    Clone from an existing repository" >&2
 }
 
 use() {
@@ -151,7 +151,7 @@ elif [ "$1" = 'clone' ]; then
 
 elif [ "$1" = 'init' ]; then
        verbose "init begin"
-       [ -z $2 ] && help; return 0
+       [ -z $2 ] && help && return 0
        export REPO_NAME="$2"
        export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init