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Clean up Dieter's patches
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index c8618f19929af1af3ff9cee296ecad9b3325f251..16bfa53f738e3fd0a80b105c84bd2bc74d02e251 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -5,14 +5,6 @@
 [ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 
 SELF=$(basename $0)
 [ -z "$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() {
        echo "usage: $SELF <args>
 
 help() {
        echo "usage: $SELF <args>
@@ -22,7 +14,6 @@ help() {
    help                 Display this help text
    delete               Delete an existing repository
    enter                Enter repository; spawn new $SHELL
    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 repositories
    run <repo> \\
    init <repo>          Initialize a new repository
    list                 List all repositories
    run <repo> \\
@@ -30,7 +21,7 @@ help() {
 
    seed-gitignore \\
    <repo>               Seed .gitignore.d/<repo> from git ls-files
 
    seed-gitignore \\
    <repo>               Seed .gitignore.d/<repo> from git ls-files
-   use <repo>           Use repository; set ENV
+   setup                Set up repository with recommended settings
 
    <repo> <git command> Special command that allows you to run git commands
                         directly without having to type so much ;)" >&2
 
    <repo> <git command> Special command that allows you to run git commands
                         directly without having to type so much ;)" >&2
@@ -44,41 +35,49 @@ verbose() {
        if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
 }
 
        if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
 }
 
-use() {
-       verbose "use() begin"
-       if [ ! -d "$GIT_DIR" ]; then
-               echo E: no repository found for "$VCSH_REPO_NAME" >&2
-               return 1
-       fi
-       export GIT_DIR
-       export GIT_WORK_TREE="$(git config --get core.worktree)"
-       export VCSH_DIRECTORY="$VCSH_REPO_NAME"
-       verbose "use() end"
+fatal() {
+       echo "$SELF: fatal: $1" >&2
+       exit $2
+}
+
+error() {
+       echo "$SELF: error: $1" >&2
+}
+
+info() {
+       echo "$SELF: info: $1"
+}
+
+setup() {
+       git config core.worktree     "$GIT_WORK_TREE"
+       git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
+       git config vcsh.vcsh         'true'
+       touch   "$HOME/.gitignore.d/$VCSH_REPO_NAME"
+       git add "$HOME/.gitignore.d/$VCSH_REPO_NAME"
 }
 
 init() {
        verbose "init() begin"
 }
 
 init() {
        verbose "init() begin"
-       [ -e "$GIT_DIR" ] &&
-               echo "$SELF: fatal: $GIT_DIR exists" &&
-               return 21
+       [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        export GIT_WORK_TREE="$HOME"
        mkdir -p "$GIT_WORK_TREE"
        export GIT_WORK_TREE="$HOME"
        mkdir -p "$GIT_WORK_TREE"
-       cd "$GIT_WORK_TREE" ||
-               (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
-                return 1) || return $?
+       cd "$GIT_WORK_TREE" || fatal "could not enter '$GIT_WORK_TREE'" 11
        cd "$GIT_WORK_TREE"
        git init
        cd "$GIT_WORK_TREE"
        git init
-       git config core.worktree     "$GIT_WORK_TREE"
-       git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
-       touch   "$HOME/.gitignore.d/$VCSH_REPO_NAME"
-       git add "$HOME/.gitignore.d/$VCSH_REPO_NAME"
+       setup
        verbose "init() end"
 }
 
        verbose "init() end"
 }
 
-leave() {
-       unset GIT_DIR
-       unset GIT_WORK_TREE
-       unset VCSH_DIRECTORY
+use() {
+       verbose "use() begin"
+       if [ ! -d "$GIT_DIR" ]; then
+               error "no repository found for '$VCSH_REPO_NAME'"
+               return 12
+       fi
+       export GIT_DIR
+       export GIT_WORK_TREE="$(git config --get core.worktree)"
+       export VCSH_DIRECTORY="$VCSH_REPO_NAME"
+       verbose "use() end"
 }
 
 
 }
 
 
@@ -95,26 +94,25 @@ elif [ "$1" = 'delete' ] ||
      [ "$1" = 'init' ] ||
      [ "$1" = 'run' ] ||
      [ "$1" = 'seed-gitignore' ] ||
      [ "$1" = 'init' ] ||
      [ "$1" = 'run' ] ||
      [ "$1" = 'seed-gitignore' ] ||
-     [ "$1" = 'use' ]; then
-       [ -z $2 ] && echo "$SELF $1: error: please specify repository to work on" && return 1
+     [ "$1" = 'setup' ]; then
+       [ -z $2 ] && fatal "$1: please specify repository to work on" 1
        export VCSH_COMMAND="$1"
        export VCSH_REPO_NAME="$2"
        export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
        shift 2
        export VCSH_EXTERNAL_COMMAND="$*"
        if [ "$VCSH_COMMAND" = 'run' ]; then
        export VCSH_COMMAND="$1"
        export VCSH_REPO_NAME="$2"
        export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
        shift 2
        export VCSH_EXTERNAL_COMMAND="$*"
        if [ "$VCSH_COMMAND" = 'run' ]; then
-               [ -z "$VCSH_EXTERNAL_COMMAND" ] && echo "$SELF $1 $2: error: please specify a command" && return 1
+               [ -z "$VCSH_EXTERNAL_COMMAND" ] && fatal "$1 $2: please specify a command" 1
        fi
        fi
-elif [ "$1" = 'exit' ] ||
-     [ "$1" = 'help' ] ||
+elif [ "$1" = 'help' ] ||
      [ "$1" = 'list' ]; then
        export VCSH_COMMAND="$1"
 else
      [ "$1" = 'list' ]; then
        export VCSH_COMMAND="$1"
 else
-       [ -z $1 ] && help && return 0
+       [ -z $1 ] && help && exit 0
        export VCSH_COMMAND='run'
        export VCSH_REPO_NAME="$1"
        export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
        export VCSH_COMMAND='run'
        export VCSH_REPO_NAME="$1"
        export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
-       [ -d $GIT_DIR ] || (help && return 1) || return 0
+       [ -d $GIT_DIR ] || { help; exit 1; }
        shift 1
        export VCSH_EXTERNAL_COMMAND="git $*"
 fi
        shift 1
        export VCSH_EXTERNAL_COMMAND="git $*"
 fi
@@ -124,11 +122,10 @@ for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d"
 do
        if [ ! -d "$check_directory" ]; then
                if [ -e "$check_directory" ]; then
 do
        if [ ! -d "$check_directory" ]; then
                if [ -e "$check_directory" ]; then
-                       echo "$SELF: error: $check_directory exists but is not a directory" >&2
-                       return 2
+                       fatal "'$check_directory' exists but is not a directory" 13
                else
                else
-                       echo "$SELF: info: attempting to create $check_directory"
-                       mkdir -p "$check_directory" || (echo "$SELF: error: could not create $check_directory" >&2; return 2) || return $?
+                       info "attempting to create '$check_directory'"
+                       mkdir -p "$check_directory" || fatal "could not create '$check_directory'" 50
                fi
        fi
 done
                fi
        fi
 done
@@ -143,15 +140,13 @@ if [ "$VCSH_COMMAND" = 'clone' ]; then
        git fetch
        for object in $(git ls-tree -r origin/master | awk '{print $4}'); do
                [ -e "$object" ] &&
        git fetch
        for object in $(git ls-tree -r origin/master | awk '{print $4}'); do
                [ -e "$object" ] &&
-                       echo "$SELF: error: $object exists." &&
+                       error "'$object' exists." &&
                        VCSH_CONFLICT=1;
        done
        [ "$VCSH_CONFLICT" = '1' ] &&
                        VCSH_CONFLICT=1;
        done
        [ "$VCSH_CONFLICT" = '1' ] &&
-               echo "$SELF: fatal: will stop after fetching and not try to merge!\n" &&
-               echo "  Once this situation has been resolved, run 'vcsh run <foo> git pull' to finish cloning.\n" &&
-               return 3
+               fatal "will stop after fetching and not try to merge!
+  Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17
        git merge origin/master
        git merge origin/master
-#      use || return $?
        verbose "clone end"
 
 #elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
        verbose "clone end"
 
 #elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
@@ -162,8 +157,8 @@ elif [ "$VCSH_COMMAND" = 'delete' ]; then
        verbose "delete begin"
        old_dir="$PWD"
        cd "$HOME"
        verbose "delete begin"
        old_dir="$PWD"
        cd "$HOME"
-       use || return $?
-       echo "$SELF: info: This operation WILL DETROY DATA!"
+       use || exit $?
+       info "This operation WILL DETROY DATA!"
        files=$(git ls-files)
        echo "These files will be deleted:
 
        files=$(git ls-files)
        echo "These files will be deleted:
 
@@ -172,37 +167,23 @@ $files
 AGAIN, THIS WILL DELETE YOUR DATA!
 To continue, type \"Yes, do as I say\""
        read answer
 AGAIN, THIS WILL DELETE YOUR DATA!
 To continue, type \"Yes, do as I say\""
        read answer
-       [ "x$answer" = "xYes, do as I say" ] || return 1
+       [ "x$answer" = "xYes, do as I say" ] || exit 16
        for file in $files; do
        for file in $files; do
-               rm -f $file || echo "$SELF: info: could not delete '$file', continuing with deletion"
+               rm -f $file || info "could not delete '$file', continuing with deletion"
        done
        done
-       rm -rf "$GIT_DIR" || echo "$SELF: info: could not delete '$GIT_DIR'"
+       rm -rf "$GIT_DIR" || info "could not delete '$GIT_DIR'"
        cd "$old_dir"
        verbose "delete end"
 
 elif [ "$VCSH_COMMAND" = 'enter' ]; then
        verbose "enter begin"
        cd "$old_dir"
        verbose "delete end"
 
 elif [ "$VCSH_COMMAND" = 'enter' ]; then
        verbose "enter begin"
-       use || return $?
+       use || exit $?
        $SHELL
        $SHELL
-       leave
        verbose "enter end"
 
        verbose "enter end"
 
-elif [ "$VCSH_COMMAND" = 'exit' ]; then
-       verbose "exit begin"
-#      if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
-#              unset VCSH_NO_IGNORE_EOF
-#              setopt NO_IGNORE_EOF
-#      fi
-       [ -z "$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" ] && [ "$USER" = richih ] && buildPS1
-       verbose "exit end"
-       return 0
-
 elif [ "$VCSH_COMMAND" = 'init' ]; then
        verbose "init begin"
        init
 elif [ "$VCSH_COMMAND" = 'init' ]; then
        verbose "init begin"
        init
-#      use || return $?
        verbose "init end"
 
 elif [ "$VCSH_COMMAND" = 'list' ]; then
        verbose "init end"
 
 elif [ "$VCSH_COMMAND" = 'list' ]; then
@@ -214,19 +195,17 @@ elif [ "$VCSH_COMMAND" = 'list' ]; then
 
 elif [ "$VCSH_COMMAND" = 'run' ]; then
        verbose "run begin"
 
 elif [ "$VCSH_COMMAND" = 'run' ]; then
        verbose "run begin"
-       use || return $?
+       use || exit $?
        $VCSH_EXTERNAL_COMMAND
        $VCSH_EXTERNAL_COMMAND
-       leave
        verbose "run end"
 
 elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
        verbose "seed-gitignore begin"
        verbose "run end"
 
 elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
        verbose "seed-gitignore begin"
-       use || return $?
+       use || exit $?
        # Switching directory as this has to be executed from $HOME to be of any use.
        # Going back into old directory at the end in case `vcsh use` is reactivated.
        old_dir="$PWD"
        cd "$HOME"
        # Switching directory as this has to be executed from $HOME to be of any use.
        # Going back into old directory at the end in case `vcsh use` is reactivated.
        old_dir="$PWD"
        cd "$HOME"
-       git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
        gitignores=$(for file in $(git ls-files); do
                while true; do
                        echo $file; new="${file%/*}"
        gitignores=$(for file in $(git ls-files); do
                while true; do
                        echo $file; new="${file%/*}"
@@ -234,8 +213,7 @@ elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
                        file="$new"
                done;
        done | sort -u)
                        file="$new"
                done;
        done | sort -u)
-       tempfile=$(mktemp) ||
-               (echo "$SELF: fatal: could not create tempfile" && return 1) || return $?
+       tempfile=$(mktemp) || fatal "could not create tempfile" 51
        echo '*' > "$tempfile"
        for gitignore in $gitignores; do
                echo "$gitignore" | sed 's/^/!/' >> "$tempfile"
        echo '*' > "$tempfile"
        for gitignore in $gitignores; do
                echo "$gitignore" | sed 's/^/!/' >> "$tempfile"
@@ -243,41 +221,26 @@ elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
        done
        diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null &&
                rm -f "$tempfile" &&
        done
        diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null &&
                rm -f "$tempfile" &&
-               return
+               exit
        if [ -e "$HOME/.gitignore.d/$VCSH_REPO_NAME" ]; then
        if [ -e "$HOME/.gitignore.d/$VCSH_REPO_NAME" ]; then
-               echo "$SELF: info: $HOME/.gitignore.d/$VCSH_REPO_NAME differs from new data, moving it to $HOME/.gitignore.d/$VCSH_REPO_NAME.bak"
+               info "'$HOME/.gitignore.d/$VCSH_REPO_NAME' differs from new data, moving it to '$HOME/.gitignore.d/$VCSH_REPO_NAME.bak'"
                mv -f "$HOME/.gitignore.d/$VCSH_REPO_NAME" "$HOME/.gitignore.d/$VCSH_REPO_NAME.bak" ||
                mv -f "$HOME/.gitignore.d/$VCSH_REPO_NAME" "$HOME/.gitignore.d/$VCSH_REPO_NAME.bak" ||
-                       (echo "$SELF: fatal: could not move $HOME/.gitignore.d/$VCSH_REPO_NAME to $HOME/.gitignore.d/$VCSH_REPO_NAME.bak" &&
-                        return 1) || return $?
+                       fatal "could not move '$HOME/.gitignore.d/$VCSH_REPO_NAME' to '$HOME/.gitignore.d/$VCSH_REPO_NAME.bak'" 53
        fi
        mv -f "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" ||
        fi
        mv -f "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" ||
-               (echo "$SELF: fatal: could not move $tempfile to $HOME/.gitignore.d/$VCSH_REPO_NAME" && return 1) || return $?
+               fatal "could not move '$tempfile' to '$HOME/.gitignore.d/$VCSH_REPO_NAME'" 53
        cd "$old_dir"
        verbose "seed-gitignore end"
 
        cd "$old_dir"
        verbose "seed-gitignore end"
 
-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
-#                      setopt IGNORE_EOF
-#              fi
-#              vcsh_exit() {
-#                      vcsh exit;
-#                      zle reset-prompt;
-#              }
-#              zle -N vcsh_exit
-#              bindkey '^d' 'vcsh_exit'
-#      fi
-       [ -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" ] && [ "$USER" = richih ] && buildPS1
-       verbose "use end"
+elif [ "$VCSH_COMMAND" = 'setup' ]; then
+       verbose "seed-gitignore begin"
+       use   || exit $?
+       setup || exit $?
+       verbose "seed-gitignore end"
 
 else
        verbose "defaulting to calling help()"
        help
 
 else
        verbose "defaulting to calling help()"
        help
-       echo "$SELF: fatal: You should never reach this code. File a bug, please."
-       return 99
+       fatal "You should never reach this code. File a bug, please." 99
 
 fi
 
 fi
version controlled RC files

Legalese

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