Introduce `vcsh enter`

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index daf8893cc0ad617b27b69b3e8e509627c2041361..b5e703eddc9f0a03ecae035c9ef3a93411471aaf 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -5,6 +5,13 @@
 [ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 
 SELF=$(basename $0)
+if [ "$SELF" = 'bash' ] ||
+   [ "$SELF" = 'dash' ] ||
+   [ "$SELF" = 'sh' ] ||
+   [ "$SELF" = 'zsh' ]; then
+       SELF='vcsh'
+       VCSH_SOURCED=1
+fi
 
 
 help() {
@@ -14,19 +21,19 @@ help() {
          [<repo>]       Clone from an existing repository
    help                 Display this help text
    delete               Delete an existing repository
+   enter                Enter repository; spawn new $SHELL
+   exit                 Exit repository; unset ENV
    init <repo>          Initialize a new repository
-   list                 List all repos
+   list                 List all repositories
    run <repo> \\
        <command>        Use this repository
 
    seed-gitignore \\
    <repo>               Seed .gitignore.d/<repo> from git ls-files
+   use <repo>           Use repository; set ENV
 
    <repo> <git command> Special command that allows you to run git commands
                         directly without having to type so much ;)" >&2
-#   use <repo>     Use this repository
-#
-#   exit              Exit vcsh mode" >&2
 }
 
 debug() {
@@ -83,9 +90,11 @@ if [ "$1" = 'clone' ]; then
        export VCSH_REPO_NAME
        export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
 elif [ "$1" = 'delete' ] ||
+     [ "$1" = 'enter' ] ||
      [ "$1" = 'init' ] ||
      [ "$1" = 'run' ] ||
-     [ "$1" = 'seed-gitignore' ]; then
+     [ "$1" = 'seed-gitignore' ] ||
+     [ "$1" = 'use' ]; then
        [ -z $2 ] && echo "$SELF $1: error: please specify repository to work on" && return 1
        export VCSH_COMMAND="$1"
        export VCSH_REPO_NAME="$2"
@@ -95,7 +104,8 @@ elif [ "$1" = 'delete' ] ||
        if [ "$VCSH_COMMAND" = 'run' ]; then
                [ -z "$VCSH_EXTERNAL_COMMAND" ] && echo "$SELF $1 $2: error: please specify a command" && return 1
        fi
-elif [ "$1" = 'help' ] ||
+elif [ "$1" = 'exit' ] ||
+     [ "$1" = 'help' ] ||
      [ "$1" = 'list' ]; then
        export VCSH_COMMAND="$1"
 else
@@ -169,16 +179,24 @@ To continue, type \"Yes, do as I say\""
        cd "$old_dir"
        verbose "delete end"
 
-#elif [ "$VCSH_COMMAND" = 'exit' ]; then
-#      verbose "exit begin"
+elif [ "$VCSH_COMMAND" = 'enter' ]; then
+       verbose "enter begin"
+       use || return $?
+       $SHELL
+       leave
+       verbose "enter end"
+
+elif [ "$VCSH_COMMAND" = 'exit' ]; then
+       verbose "exit begin"
 #      if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
 #              unset VCSH_NO_IGNORE_EOF
 #              setopt NO_IGNORE_EOF
 #      fi
-#      leave
+       [ -z "$VCSH_SOURCED" ] && echo "$SELF $VCSH_COMMAND: You need to source vcsh if you want to run in this mode" && return 10
+       leave
 #      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-#      verbose "exit end"
-#      exit 0
+       verbose "exit end"
+       return 0
 
 elif [ "$VCSH_COMMAND" = 'init' ]; then
        verbose "init begin"
@@ -236,8 +254,8 @@ elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
        cd "$old_dir"
        verbose "seed-gitignore end"
 
-#elif [ "$VCSH_COMMAND" = 'use' ]; then
-#      verbose "use begin"
+elif [ "$VCSH_COMMAND" = 'use' ]; then
+       verbose "use begin"
 #      if [ -n "$ZSH_VERSION" ]; then
 #              if [ -o NO_IGNORE_EOF ]; then
 #                      export VCSH_NO_IGNORE_EOF=1
@@ -250,9 +268,10 @@ elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
 #              zle -N vcsh_exit
 #              bindkey '^d' 'vcsh_exit'
 #      fi
-#      use || return $?
+       [ -z "$VCSH_SOURCED" ] && echo "$SELF $VCSH_COMMAND: You need to source vcsh if you want to run in this mode" && return 10
+       use || return $?
 #      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-#      verbose "use end"
+       verbose "use end"
 
 else
        verbose "defaulting to calling help()"