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Merge branch 'master' of github.com:RichiH/vcsh
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index e3612b72520aeaac75bbd8e5073f3b6546f53415..6fa6644aaed8b2462fe7070f53451ae12197675b 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,68 +1,70 @@
 #!/bin/sh
 
 #!/bin/sh
 
-#set -x
+[ -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"
 
 SELF=$(basename $0)
 
 
 SELF=$(basename $0)
 
-[ -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"
 
 help() {
        echo "usage: $SELF <args>
 
 
 help() {
        echo "usage: $SELF <args>
 
-   help           Display this help
+   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> \\
+       <command>        Use this repository
 
 
-   list           List all repos
+   seed-gitignore \\
+   <repo>               Seed .gitignore.d/<repo> from git ls-files
+   use <repo>           Use repository; set ENV
 
 
-   use <repo>     Use this repository
-   run <repo>
-       <command>  Use this repository
+   <repo> <git command> Special command that allows you to run git commands
+                        directly without having to type so much ;)" >&2
+}
 
 
-   init           Initialize a new repository
-   clone <remote>
-         [<repo>] Clone from an existing repository
+debug() {
+       [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@"
+}
 
 
-   exit           Exit vcsh mode" >&2
+verbose() {
+       if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
 }
 
 use() {
 }
 
 use() {
-       REPO_NAME="$1"
-       GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
-
+       verbose "use() begin"
        if [ ! -d "$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"
 }
 
 init() {
 }
 
 init() {
-       [[ -e $GIT_DIR ]] &&
+       verbose "init() begin"
+       [ -e "$GIT_DIR" ] &&
                echo "$SELF: fatal: $GIT_DIR exists" &&
                return 21
        export GIT_WORK_TREE="$HOME"
                echo "$SELF: fatal: $GIT_DIR exists" &&
                return 21
        export GIT_WORK_TREE="$HOME"
-       mkdir -p $GIT_WORK_TREE
-       cd $GIT_WORK_TREE ||
+       mkdir -p "$GIT_WORK_TREE"
+       cd "$GIT_WORK_TREE" ||
                (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
                (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
-                exit 20) || exit 20
-       cd $GIT_WORK_TREE
+                return 1) || return $?
+       cd "$GIT_WORK_TREE"
        git init
        git init
-       git config core.worktree $GIT_WORK_TREE
+       git config core.worktree     "$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"
+       verbose "init() end"
 }
 
 leave() {
 }
 
 leave() {
@@ -71,82 +73,192 @@ leave() {
        unset VCSH_DIRECTORY
 }
 
        unset VCSH_DIRECTORY
 }
 
-if [ "$1" = 'help' ] || [ $# -eq 0 ]; then
-       help
-       [ "$1" = 'help' ]
-       return $?
-
-elif [ "$1" = 'list' ]; then
-       for i in $VCSH_BASE/*.git; do
-               echo $(basename $i .git)
-       done
-       return 0
 
 
-elif [ "$1" = 'run' ]; then
-       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
-       return 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
 
 
-elif [ "$1" = 'use' ]; then
-       if [[ -o NO_IGNORE_EOF ]]; then
-               export VCSH_NO_IGNORE_EOF=1
-               setopt IGNORE_EOF
-               if [[ -n $ZSH_VERSION ]]; then
-                       vcsh_exit() {
-                               vcsh exit;
-                               zle reset-prompt;
-                       }
+
+for check_directory in "$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
-               zle -N vcsh_exit
-               bindkey '^d' 'vcsh_exit'
        fi
        fi
-       use $2
-       buildPS1
-       return 0
+done
 
 
-elif [ "$1" = 'clone' ]; then
-       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
 
 
-       git remote add origin $GIT_REMOTE
+if [ "$VCSH_COMMAND" = 'clone' ]; then
+       verbose "clone begin"
+       init
+       git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
        git fetch
        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 $i ]] &&
-               echo "$SELF: 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
        done
-       [[ -n $CONFLICT ]] &&
+       [ "$VCSH_CONFLICT" = '1' ] &&
                echo "$SELF: fatal: will stop after fetching and not try to merge!\n" &&
                echo "$SELF: fatal: will stop after fetching and not try to merge!\n" &&
-               exit 3
+               echo "  Once this situation has been resolved, run 'vcsh run <foo> git pull' to finish cloning.\n" &&
+               return 3
        git merge origin/master
        git merge origin/master
-       vcsh use $REPO_NAME
+#      use || return $?
+       verbose "clone end"
 
 
-elif [ "$1" = 'init' ]; then
-       export REPO_NAME="$2"
-       export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
-       init
-       vcsh use $REPO_NAME
+#elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
+elif [ "$VCSH_COMMAND" = 'help' ]; then
+       help
 
 
-elif [ "$1" = 'exit' ]; then
-       if [[ $VCSH_NO_IGNORE_EOF -gt 0 ]]; then
-               unset VCSH_NO_IGNORE_EOF
-               setopt NO_IGNORE_EOF
-       fi
+elif [ "$VCSH_COMMAND" = 'delete' ]; then
+       verbose "delete begin"
+       old_dir="$PWD"
+       cd "$HOME"
+       use || return $?
+       echo "$SELF: info: This operation WILL DETROY DATA!"
+       files=$(git ls-files)
+       echo "These files will be deleted:
+
+$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
        leave
        leave
-       buildPS1
+#      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+       verbose "exit end"
        return 0
 
        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 [ "$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"
+       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="$new"
+               done;
+       done | sort -u)
+       tempfile=$(mktemp) ||
+               (echo "$SELF: fatal: could not create tempfile" && return 1) || return $?
+       echo '*' > "$tempfile"
+       for gitignore in $gitignores; do
+               echo "$gitignore" | sed 's/^/!/' >> "$tempfile"
+               [ -d "$gitignore" ] && echo "$gitignore/*" | sed 's/^/!/'>> "$tempfile"
+       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" ] && [ "$USER" = richih ] && buildPS1
+       verbose "use end"
+
 else
 else
+       verbose "defaulting to calling help()"
        help
        help
-       return 3
+       echo "$SELF: fatal: You should never reach this code. File a bug, please."
+       return 99
 
 fi
 
 fi
-
version controlled RC files

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.