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Merge branch 'master' of github.com:RichiH/vcsh
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index 82a98a1829cca5df22cfd88dc6cd36cc166a8f0a..6fa6644aaed8b2462fe7070f53451ae12197675b 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,65 +1,50 @@
 #!/bin/sh
 
 #!/bin/sh
 
-[ -n "$VCSH_DEBUG" ] && set -x
-
-SELF=$(basename $0)
-
+[ -n "$VCSH_DEBUG" ]      && set -x
 [ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
 [ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
 [ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
 [ -z "$VCSH_BASE" ]       && VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
-for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d"
-do
-       if [ ! -d "$check_directory" ]; then
-               if [ -e "$check_directory" ]; then
-                       echo "$SELF: error: $check_directory exists but is not a directory" >&2
-                       exit 2
-               else
-                       echo "$SELF: info: attempting to create $check_directory"
-                       mkdir -p "$check_directory" || (echo "$SELF: error: could not create $check_directory" >&2; exit 2)
-               fi
-       fi
-done
 
 
-debug() {
-       [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $1"
-}
+SELF=$(basename $0)
 
 
-verbose() {
-       if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $1"; fi
-}
 
 
-#   use <repo>     Use this repository
-#
-#   exit              Exit vcsh mode" >&2
 help() {
        echo "usage: $SELF <args>
 
 help() {
        echo "usage: $SELF <args>
 
-   help              Display this help
-
-   list              List all repos
-
+   clone <remote> \\
+         [<repo>]       Clone from an existing repository
+   help                 Display this help text
+   delete               Delete an existing repository
+   exit                 Exit repository; unset ENV
+   init <repo>          Initialize a new repository
+   list                 List all repositories
    run <repo> \\
    run <repo> \\
-       <command>     Use this repository
+       <command>        Use this repository
 
 
-   init <repo>       Initialize a new repository
-   clone <remote> \\
-         [<repo>]    Clone from an existing repository
    seed-gitignore \\
    seed-gitignore \\
-   <repo>            Seed .gitignore.d/<repo> from git ls-files" >&2
+   <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
+}
+
+debug() {
+       [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@"
+}
+
+verbose() {
+       if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
 }
 
 use() {
        verbose "use() begin"
 }
 
 use() {
        verbose "use() begin"
-       REPO_NAME="$1"
-       GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
-
        if [ ! -d "$GIT_DIR" ]; then
        if [ ! -d "$GIT_DIR" ]; then
-               echo E: no repository found for "$REPO_NAME" >&2
-               return 2
+               echo E: no repository found for "$VCSH_REPO_NAME" >&2
+               return 1
        fi
        fi
-
        export GIT_DIR
        export GIT_WORK_TREE="$(git config --get core.worktree)"
        export GIT_DIR
        export GIT_WORK_TREE="$(git config --get core.worktree)"
-       export VCSH_DIRECTORY="$REPO_NAME"
+       export VCSH_DIRECTORY="$VCSH_REPO_NAME"
        verbose "use() end"
 }
 
        verbose "use() end"
 }
 
@@ -72,11 +57,13 @@ init() {
        mkdir -p "$GIT_WORK_TREE"
        cd "$GIT_WORK_TREE" ||
                (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
        mkdir -p "$GIT_WORK_TREE"
        cd "$GIT_WORK_TREE" ||
                (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
-                exit 20) || exit 20
+                return 1) || return $?
        cd "$GIT_WORK_TREE"
        git init
        git config core.worktree     "$GIT_WORK_TREE"
        cd "$GIT_WORK_TREE"
        git init
        git config core.worktree     "$GIT_WORK_TREE"
-       git config core.excludesfile ".gitignore.d/$REPO_NAME"
+       git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
+       touch   "$HOME/.gitignore.d/$VCSH_REPO_NAME"
+       git add "$HOME/.gitignore.d/$VCSH_REPO_NAME"
        verbose "init() end"
 }
 
        verbose "init() end"
 }
 
@@ -86,60 +73,63 @@ leave() {
        unset VCSH_DIRECTORY
 }
 
        unset VCSH_DIRECTORY
 }
 
-if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then
-       help
-       [ "$1" = 'help' ]
-       exit $?
-
-elif [ "$1" = 'list' ]; then
-       verbose "list begin"
-       for i in "$VCSH_BASE"/*.git; do
-               echo $(basename "$i" .git)
-       done
-       verbose "list end"
-       exit 0
 
 
-elif [ "$1" = 'run' ]; then
-       verbose "run begin"
-       use "$2"
+if [ "$1" = 'clone' ]; then
+       GIT_REMOTE="$2"
+       export GIT_REMOTE
+       VCSH_REPO_NAME="$3"
+       [ -z "$VCSH_REPO_NAME" ] && VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git)
+       export VCSH_REPO_NAME
+       export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
+elif [ "$1" = 'delete' ] ||
+     [ "$1" = 'init' ] ||
+     [ "$1" = 'run' ] ||
+     [ "$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="$2"
+       export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
        shift 2
        shift 2
-       "$@"
-       leave
-       verbose "run end"
-       exit 0
+       export VCSH_EXTERNAL_COMMAND="$*"
+       if [ "$VCSH_COMMAND" = 'run' ]; then
+               [ -z "$VCSH_EXTERNAL_COMMAND" ] && echo "$SELF $1 $2: error: please specify a command" && return 1
+       fi
+elif [ "$1" = 'exit' ] ||
+     [ "$1" = 'help' ] ||
+     [ "$1" = 'list' ]; then
+       export VCSH_COMMAND="$1"
+else
+       [ -z $1 ] && help && return 0
+       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
+       shift 1
+       export VCSH_EXTERNAL_COMMAND="git $*"
+fi
+
+
+for check_directory in "$VCSH_BASE" "$HOME/.gitignore.d"
+do
+       if [ ! -d "$check_directory" ]; then
+               if [ -e "$check_directory" ]; then
+                       echo "$SELF: error: $check_directory exists but is not a directory" >&2
+                       return 2
+               else
+                       echo "$SELF: info: attempting to create $check_directory"
+                       mkdir -p "$check_directory" || (echo "$SELF: error: could not create $check_directory" >&2; return 2) || return $?
+               fi
+       fi
+done
 
 
-#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 [ "$1" = 'clone' ]; then
+if [ "$VCSH_COMMAND" = 'clone' ]; then
        verbose "clone begin"
        verbose "clone begin"
-       GIT_REMOTE="$2"
-       REPO_NAME="$3"
-       [ -z "$REPO_NAME" ] && REPO_NAME=$(basename "$GIT_REMOTE" .git)
-       export REPO_NAME
-       export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init
        init
-
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
-       git config core.excludesfile    ".gitignore.d/$REPO_NAME"
        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" ] &&
@@ -149,56 +139,126 @@ elif [ "$1" = 'clone' ]; then
        [ "$VCSH_CONFLICT" = '1' ] &&
                echo "$SELF: fatal: will stop after fetching and not try to merge!\n" &&
                echo "  Once this situation has been resolved, run 'vcsh run <foo> git pull' to finish cloning.\n" &&
        [ "$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" &&
-               exit 3
+               return 3
        git merge origin/master
        git merge origin/master
-#      vcsh use $REPO_NAME
+#      use || return $?
        verbose "clone end"
 
        verbose "clone end"
 
-elif [ "$1" = 'init' ]; then
-       verbose "init begin"
-       [ -z $2 ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0
-       export REPO_NAME="$2"
-       export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
-       init
-#      vcsh use "$REPO_NAME"
-       verbose "init end"
+#elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
+elif [ "$VCSH_COMMAND" = 'help' ]; then
+       help
+
+elif [ "$VCSH_COMMAND" = 'delete' ]; then
+       verbose "delete begin"
+       old_dir="$PWD"
+       cd "$HOME"
+       use || return $?
+       echo "$SELF: info: This operation WILL DETROY DATA!"
+       files=$(git ls-files)
+       echo "These files will be deleted:
 
 
-#elif [ "$1" = 'exit' ]; then
-#      verbose "exit begin"
+$files
+
+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
+       for file in $files; do
+               rm -f $file || echo "$SELF: info: could not delete '$file', continuing with deletion"
+       done
+       rm -rf "$GIT_DIR" || echo "$SELF: info: could not delete '$GIT_DIR'"
+       cd "$old_dir"
+       verbose "delete end"
+
+elif [ "$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
 #      if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
 #              unset VCSH_NO_IGNORE_EOF
 #              setopt NO_IGNORE_EOF
 #      fi
-#      leave
+       leave
 #      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
 #      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-#      verbose "exit end"
-#      exit 0
+       verbose "exit end"
+       return 0
+
+elif [ "$VCSH_COMMAND" = 'init' ]; then
+       verbose "init begin"
+       init
+#      use || return $?
+       verbose "init end"
+
+elif [ "$VCSH_COMMAND" = 'list' ]; then
+       verbose "list begin"
+       for i in "$VCSH_BASE"/*.git; do
+               echo $(basename "$i" .git)
+       done
+       verbose "list end"
 
 
-elif [ "$1" = 'seed-gitignore' ]; then
+elif [ "$VCSH_COMMAND" = 'run' ]; then
+       verbose "run begin"
+       use || return $?
+       $VCSH_EXTERNAL_COMMAND
+       leave
+       verbose "run end"
+
+elif [ "$VCSH_COMMAND" = 'seed-gitignore' ]; then
        verbose "seed-gitignore begin"
        verbose "seed-gitignore begin"
-       [ -z $2 ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0
-       use "$2"
-       git config core.excludesfile ".gitignore.d/$REPO_NAME"
-       files=$(git ls-files)
+       use || return $?
+       # 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%/*}"
                        [ "$file" = "$new" ] && break
                        file="$new"
                done;
        gitignores=$(for file in $(git ls-files); do
                while true; do
                        echo $file; new="${file%/*}"
                        [ "$file" = "$new" ] && break
                        file="$new"
                done;
-       done | sort -u | sed 's/^/!/')
-       [ -e .gitignore.d/$2 ] &&
-       echo "$SELF: info: .gitignore.d/$2 exists, moving it to .gitignore.d/$2.bak" &&
-       mv -f .gitignore.d/$2 .gitignore.d/$2.bak
-       echo '*' > .gitignore.d/$2
+       done | sort -u)
+       tempfile=$(mktemp) ||
+               (echo "$SELF: fatal: could not create tempfile" && return 1) || return $?
+       echo '*' > "$tempfile"
        for gitignore in $gitignores; do
        for gitignore in $gitignores; do
-               echo $gitignore >> .gitignore.d/$2
+               echo "$gitignore" | sed 's/^/!/' >> "$tempfile"
+               [ -d "$gitignore" ] && echo "$gitignore/*" | sed 's/^/!/'>> "$tempfile"
        done
        done
+       diff -N "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" > /dev/null &&
+               rm -f "$tempfile" &&
+               return
+       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"
+               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 $?
+       fi
+       mv -f "$tempfile" "$HOME/.gitignore.d/$VCSH_REPO_NAME" ||
+               (echo "$SELF: fatal: could not move $tempfile to $HOME/.gitignore.d/$VCSH_REPO_NAME" && return 1) || return $?
+       cd "$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
+       use || return $?
+#      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+       verbose "use end"
 
 else
        verbose "defaulting to calling help()"
        help
 
 else
        verbose "defaulting to calling help()"
        help
-       exit 3
+       echo "$SELF: fatal: You should never reach this code. File a bug, please."
+       return 99
 
 fi
 
 fi
-
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Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.