Merge branch 'master' of github.com:RichiH/vcsh

diff --combined vcsh
index da71ab894bad3ce2a10e76071a2906feb606db72,3cea66646dc3ec60a87881b03ca1d94c4a9605cb..ed42920f5f29e3a3bdfa7216ff799db08f684f6b
--- 1/vcsh
--- 2/vcsh
+++ b/vcsh
@@@ -24,7 -24,7 +24,7 @@@ basename() 
  }
  
  SELF=$(basename $0)
 -VERSION='1.20130909'
 +VERSION='1.20130909.git-HEAD'
  
  fatal() {
        echo "$SELF: fatal: $1" >&2
@@@ -390,46 -390,68 +390,68 @@@ write_gitignore() 
                fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53
  }
  
- if [ "$1" = 'clone' ]; then
-       [ -z "$2" ] && fatal "$1: please specify a remote" 1
-       export VCSH_COMMAND="$1"
+ debug `git version`
+ 
+ if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then
+       fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1
+ fi
+ 
+ export VCSH_COMMAND="$1"
+ 
+ [ "$VCSH_COMMAND" = 'clon' ]   || [ "$VCSH_COMMAND" = 'clo' ]   || [ "$VCSH_COMMAND" = 'cl' ]                                                                && VCSH_COMMAND='clone'
+ [ "$VCSH_COMMAND" = 'commi' ]  || [ "$VCSH_COMMAND" = 'comm' ]  || [ "$VCSH_COMMAND" = 'com' ]  || [ "$VCSH_COMMAND" = 'co' ]                                && VCSH_COMMAND='commit'
+ [ "$VCSH_COMMAND" = 'delet' ]  || [ "$VCSH_COMMAND" = 'dele' ]  || [ "$VCSH_COMMAND" = 'del' ]  || [ "$VCSH_COMMAND" = 'de' ]                                && VCSH_COMMAND='delete'
+ [ "$VCSH_COMMAND" = 'ente' ]   || [ "$VCSH_COMMAND" = 'ent' ]   || [ "$VCSH_COMMAND" = 'en' ]                                                                && VCSH_COMMAND='enter'
+ [ "$VCSH_COMMAND" = 'hel' ]    || [ "$VCSH_COMMAND" = 'he' ]                                                                                                 && VCSH_COMMAND='help'
+ [ "$VCSH_COMMAND" = 'ini' ]    || [ "$VCSH_COMMAND" = 'in' ]                                                                                                 && VCSH_COMMAND='init'
+ [ "$VCSH_COMMAND" = 'pul' ]                                                                                                                                  && VCSH_COMMAND='pull'
+ [ "$VCSH_COMMAND" = 'pus' ]                                                                                                                                  && VCSH_COMMAND='push'
+ [ "$VCSH_COMMAND" = 'renam' ]  || [ "$VCSH_COMMAND" = 'rena' ]  || [ "$VCSH_COMMAND" = 'ren' ]  || [ "$VCSH_COMMAND" = 're' ]                                && VCSH_COMMAND='rename'
+ [ "$VCSH_COMMAND" = 'ru' ]                                                                                                                                   && VCSH_COMMAND='run'
+ [ "$VCSH_COMMAND" = 'statu' ]  || [ "$VCSH_COMMAND" = 'stat' ]  || [ "$VCSH_COMMAND" = 'sta' ]  || [ "$VCSH_COMMAND" = 'st' ]                                && VCSH_COMMAND='status'
+ [ "$VCSH_COMMAND" = 'upgrad' ] || [ "$VCSH_COMMAND" = 'upgra' ] || [ "$VCSH_COMMAND" = 'upgr' ] || [ "$VCSH_COMMAND" = 'upg' ]                               && VCSH_COMMAND='upgrade'
+ [ "$VCSH_COMMAND" = 'versio' ] || [ "$VCSH_COMMAND" = 'versi' ] || [ "$VCSH_COMMAND" = 'vers' ] || [ "$VCSH_COMMAND" = 'ver' ] || [ "$VCSH_COMMAND" = 've' ] && VCSH_COMMAND='version'
+ [ "$VCSH_COMMAND" = 'whic' ]   || [ "$VCSH_COMMAND" = 'whi' ]   || [ "$VCSH_COMMAND" = 'wh' ]                                                                && VCSH_COMMAND='which'
+ [ "$VCSH_COMMAND" = 'write' ]  || [ "$VCSH_COMMAND" = 'writ' ]  || [ "$VCSH_COMMAND" = 'wri' ]  || [ "$VCSH_COMMAND" = 'wr' ]                                && VCSH_COMMAND='write-gitignore'
+ 
+ 
+ if [ "$VCSH_COMMAND" = 'clone' ]; then
+       [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1
        GIT_REMOTE="$2"
        [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git)
        export VCSH_REPO_NAME
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
- elif [ "$1" = 'version' ]; then
+ elif [ "$VCSH_COMMAND" = 'version' ]; then
        echo "$SELF $VERSION"
+       git version
        exit
- elif [ "$1" = 'which' ]; then
-       [ -z "$2" ] && fatal "$1: please specify a filename" 1
-       [ -n "$3" ] && fatal "$1: too many parameters" 1
-       export VCSH_COMMAND="$1"
+ elif [ "$VCSH_COMMAND" = 'which' ]; then
+       [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a filename" 1
+       [ -n "$3" ] && fatal "$VCSH_COMMAND: too many parameters" 1
        export VCSH_COMMAND_PARAMETER="$2"
- elif [ "$1" = 'delete' ]           ||
-      [ "$1" = 'enter' ]            ||
-      [ "$1" = 'init' ]             ||
-      [ "$1" = 'list-tracked-by' ]  ||
-      [ "$1" = 'rename' ]           ||
-      [ "$1" = 'run' ]              ||
-      [ "$1" = 'upgrade' ]          ||
-      [ "$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="$1"
+ elif [ "$VCSH_COMMAND" = 'delete' ]           ||
+      [ "$VCSH_COMMAND" = 'enter' ]            ||
+      [ "$VCSH_COMMAND" = 'init' ]             ||
+      [ "$VCSH_COMMAND" = 'list-tracked-by' ]  ||
+      [ "$VCSH_COMMAND" = 'rename' ]           ||
+      [ "$VCSH_COMMAND" = 'run' ]              ||
+      [ "$VCSH_COMMAND" = 'upgrade' ]          ||
+      [ "$VCSH_COMMAND" = 'write-gitignore' ]; then
+       [ -z $2 ]                                 && fatal "$VCSH_COMMAND: please specify repository to work on" 1
+       [ "$VCSH_COMMAND" = 'rename' -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a target name" 1
+       [ "$VCSH_COMMAND" = 'run'    -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a command" 1
        export VCSH_REPO_NAME="$2"
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
        [ "$VCSH_COMMAND" = 'rename' ] && { export VCSH_REPO_NAME_NEW="$3";
                                            export GIT_DIR_NEW="$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git"; }
        [ "$VCSH_COMMAND" = 'run' ]    && shift 2
- elif [ "$1" = 'commit' ] ||
-      [ "$1" = 'list' ] ||
-      [ "$1" = 'list-tracked' ] ||
-      [ "$1" = 'pull' ] ||
-      [ "$1" = 'push' ]; then
-       export VCSH_COMMAND="$1"
- elif [ "$1" = 'status' ]; then
-       export VCSH_COMMAND="$1"
+ elif [ "$VCSH_COMMAND" = 'commit' ] ||
+      [ "$VCSH_COMMAND" = 'list' ] ||
+      [ "$VCSH_COMMAND" = 'list-tracked' ] ||
+      [ "$VCSH_COMMAND" = 'pull' ] ||
+      [ "$VCSH_COMMAND" = 'push' ]; then
+       :
+ elif [ "$VCSH_COMMAND" = 'status' ]; then
        export VCSH_REPO_NAME="$2"
  elif [ -n "$2" ]; then
        export VCSH_COMMAND='run'
@@@ -438,7 -460,7 +460,7 @@@
        [ -d $GIT_DIR ] || { help; exit 1; }
        shift 1
        set -- "git" "$@"
- elif [ -n "$1" ]; then
+ elif [ -n "$VCSH_COMMAND" ]; then
        export VCSH_COMMAND='enter'
        export VCSH_REPO_NAME="$1"
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"