`vcsh init` without repo name prints help, now

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 8fedc09426938f4ef5b31d3769676fb4fc436adb..38c1e0d7da477981e8ad8e1380e1b59f8cd0d742 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,30 +1,52 @@
 #!/bin/sh
 
-#set -x
+[ "$VCSH_DEBUG" = '1' ] && set -x
 
 SELF=$(basename $0)
-[ -z $XDG_CONFIG_HOME ] && XDG_CONFIG_HOME="$HOME/.config"
+
+[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
+for check_directory in $XDG_CONFIG_HOME $XDG_CONFIG_HOME/vcsh $XDG_CONFIG_HOME/vcsh/repo.d
+do
+       if [ ! -d "$check_directory" ]; then
+               if [ -e "$check_directory" ]; then
+                       echo "$SELF: error: $check_directory exists but is not a directory" >&2
+                       exit 2
+               else
+                       mkdir $check_directory || (echo "$SELF: error: could not create $check_directory" >&2; exit 2)
+               fi
+       fi
+done
+
 VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 
+debug() {
+       [ "$VCSH_DEBUG" = '1' ] && echo "$SELF: debug: $1"
+}
+
+verbose() {
+       if [ "$VCSH_DEBUG" = '1' ] || [ "$VCSH_VERBOSE" = '1' ]; then echo "$SELF: verbose: $1"; fi
+}
+
+#   use <repo>     Use this repository
 help() {
        echo "usage: $SELF <args>
 
-   help           Display this help
+   help              Display this help
 
-   list           List all repos
+   list              List all repos
 
-   use <repo>     Use this repository
-   run <repo>
-       <command>  Use this repository
+   run <repo> \\
+       <command>     Use this repository
 
-   init           Initialize a new repository
-   clone <remote>
-         [<repo>] Clone from an existing repository
+   init <repo>       Initialize a new repository
+   clone <remote> \\
+         [<repo>]    Clone from an existing repository
 
-   exit           Exit vcsh mode" >&2
+   exit              Exit vcsh mode" >&2
 }
 
 use() {
+       verbose "use() begin"
        REPO_NAME="$1"
        GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
 
@@ -36,20 +58,23 @@ use() {
        export GIT_DIR
        export GIT_WORK_TREE="$(git config --get core.worktree)"
        export VCSH_DIRECTORY="$REPO_NAME"
+       verbose "use() end"
 }
 
 init() {
-       [[ -e $GIT_DIR ]] &&
-               echo "$(basename $0): fatal: $GIT_DIR exists" &&
+       verbose "init() begin"
+       [ -e "$GIT_DIR" ] &&
+               echo "$SELF: fatal: $GIT_DIR exists" &&
                return 21
        export GIT_WORK_TREE="$HOME"
        mkdir -p $GIT_WORK_TREE
        cd $GIT_WORK_TREE ||
-               (echo "$(basename $0): fatal: could not enter $GIT_WORK_TREE" &&
+               (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
                 exit 20) || exit 20
        cd $GIT_WORK_TREE
        git init
        git config core.worktree $GIT_WORK_TREE
+       verbose "init() end"
 }
 
 leave() {
@@ -58,40 +83,52 @@ leave() {
        unset VCSH_DIRECTORY
 }
 
-if [ "$1" = 'help' ] || [ $# -eq 0 ]; then
+if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then
        help
        [ "$1" = 'help' ]
-       return $?
+       exit $?
 
 elif [ "$1" = 'list' ]; then
+       verbose "list begin"
        for i in $VCSH_BASE/*.git; do
                echo $(basename $i .git)
        done
-       return 0
+       verbose "list end"
+       exit 0
 
 elif [ "$1" = 'run' ]; then
+       verbose "run begin"
        use $2
        shift 2
        "$@"
        leave
-       return 0
-
-elif [ "$1" = 'use' ]; then
-       if [[ -o NO_IGNORE_EOF ]]; then
-               export VCSH_NO_IGNORE_EOF=1
-               setopt IGNORE_EOF
-               vcsh_exit() {vcsh exit; zle reset-prompt}
-               zle -N vcsh_exit
-               bindkey '^d' 'vcsh_exit'
-       fi
-       use $2
-       buildPS1
-       return 0
+       verbose "run end"
+       exit 0
+
+#elif [ "$1" = 'use' ]; then
+#      verbose "use begin"
+#      if [ -n "$ZSH_VERSION" ]; then
+#              if [ -o NO_IGNORE_EOF ]; then
+#                      export VCSH_NO_IGNORE_EOF=1
+#                      setopt IGNORE_EOF
+#              fi
+#              vcsh_exit() {
+#                      vcsh exit;
+#                      zle reset-prompt;
+#              }
+#              zle -N vcsh_exit
+#              bindkey '^d' 'vcsh_exit'
+#      fi
+#      use $2
+#      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+#      verbose "use end"
+#      exit 0
 
 elif [ "$1" = 'clone' ]; then
+       verbose "clone begin"
        GIT_REMOTE="$2"
        REPO_NAME="$3"
-       [[ -z $REPO_NAME ]] && REPO_NAME=$(basename $GIT_REMOTE .git)
+       [ -z "$REPO_NAME" ] && REPO_NAME=$(basename $GIT_REMOTE .git)
        export REPO_NAME
        export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init
@@ -100,35 +137,42 @@ elif [ "$1" = 'clone' ]; then
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
        git fetch
-       for i in $(git ls-tree -r origin/master | awk '{print $4}'); do
-       [[ -e $i ]] &&
-               echo "$(basename $0): error: $i exists." &&
-               CONFLICT=1;
+       for object in $(git ls-tree -r origin/master | awk '{print $4}'); do
+               [ -e "$object" ] &&
+                       echo "$SELF: error: $object exists." &&
+                       VCSH_CONFLICT=1;
        done
-       [[ -n $CONFLICT ]] &&
-               echo "$(basename $0): fatal: will stop after fetching and not try to merge!\n" &&
+       [ "$VCSH_CONFLICT" = '1' ] &&
+               echo "$SELF: fatal: will stop after fetching and not try to merge!\n" &&
                exit 3
        git merge origin/master
-       vcsh use $REPO_NAME
+#      vcsh use $REPO_NAME
+       verbose "clone end"
 
 elif [ "$1" = 'init' ]; then
+       verbose "init begin"
+       [ -z $2 ] && help; return 0
        export REPO_NAME="$2"
        export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init
-       vcsh use $REPO_NAME
+#      vcsh use $REPO_NAME
+       verbose "init end"
 
 elif [ "$1" = 'exit' ]; then
-       if [[ $VCSH_NO_IGNORE_EOF -gt 0 ]]; then
+       verbose "exit begin"
+       if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
                unset VCSH_NO_IGNORE_EOF
                setopt NO_IGNORE_EOF
        fi
        leave
-       buildPS1
-       return 0
+       [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+       verbose "exit end"
+       exit 0
 
 else
+       verbose "defaulting to calling help()"
        help
-       return 3
+       exit 3
 
 fi