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[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index 5acd515dc422ab8b0dc0ef2d42611dc7db2f67c2..82a98a1829cca5df22cfd88dc6cd36cc166a8f0a 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,43 +1,54 @@
 #!/bin/sh
 
 #!/bin/sh
 
-#set -x
+[ -n "$VCSH_DEBUG" ] && set -x
 
 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 $XDG_CONFIG_HOME/vcsh/repo.d
+[ -z "$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
 do
-       if [ ! -d $check_directory ]; then
-               if [ -e $check_directory ]; then
+       if [ ! -d "$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: error: $check_directory exists but is not a directory" >&2
                        exit 2
                else
-                       mkdir $check_directory || (echo "$SELF: error: could not create $check_directory" >&2; exit 2)
+                       echo "$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
 
                fi
        fi
 done
 
-VCSH_BASE="$XDG_CONFIG_HOME/vcsh/repo.d"
+debug() {
+       [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $1"
+}
+
+verbose() {
+       if [ -n "$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
+   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
-
-   exit           Exit vcsh mode" >&2
+   init <repo>       Initialize a new repository
+   clone <remote> \\
+         [<repo>]    Clone from an existing repository
+   seed-gitignore \\
+   <repo>            Seed .gitignore.d/<repo> from git ls-files" >&2
 }
 
 use() {
 }
 
 use() {
+       verbose "use() begin"
        REPO_NAME="$1"
        GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
 
        REPO_NAME="$1"
        GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
 
@@ -49,20 +60,24 @@ use() {
        export GIT_DIR
        export GIT_WORK_TREE="$(git config --get core.worktree)"
        export VCSH_DIRECTORY="$REPO_NAME"
        export GIT_DIR
        export GIT_WORK_TREE="$(git config --get core.worktree)"
        export VCSH_DIRECTORY="$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 $GIT_WORK_TREE" &&
                 exit 20) || exit 20
                (echo "$SELF: fatal: could not enter $GIT_WORK_TREE" &&
                 exit 20) || exit 20
-       cd $GIT_WORK_TREE
+       cd "$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/$REPO_NAME"
+       verbose "init() end"
 }
 
 leave() {
 }
 
 leave() {
@@ -71,77 +86,119 @@ leave() {
        unset VCSH_DIRECTORY
 }
 
        unset VCSH_DIRECTORY
 }
 
-if [ "$1" = 'help' ] || [ $# -eq 0 ]; then
+if [ "$1" = 'help' ] || [ "$#" -eq 0 ]; then
        help
        [ "$1" = 'help' ]
        help
        [ "$1" = 'help' ]
-       return $?
+       exit $?
 
 elif [ "$1" = 'list' ]; then
 
 elif [ "$1" = 'list' ]; then
-       for i in $VCSH_BASE/*.git; do
-               echo $(basename $i .git)
+       verbose "list begin"
+       for i in "$VCSH_BASE"/*.git; do
+               echo $(basename "$i" .git)
        done
        done
-       return 0
+       verbose "list end"
+       exit 0
 
 elif [ "$1" = 'run' ]; then
 
 elif [ "$1" = 'run' ]; then
-       use $2
+       verbose "run begin"
+       use "$2"
        shift 2
        "$@"
        leave
        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
 
 elif [ "$1" = 'clone' ]; then
+       verbose "clone begin"
        GIT_REMOTE="$2"
        REPO_NAME="$3"
        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
 
        export REPO_NAME
        export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init
 
-       git remote add origin $GIT_REMOTE
+       git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
+       git config core.excludesfile    ".gitignore.d/$REPO_NAME"
        git fetch
        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" &&
+               echo "  Once this situation has been resolved, run 'vcsh run <foo> git pull' to finish cloning.\n" &&
                exit 3
        git merge origin/master
                exit 3
        git merge origin/master
-       vcsh use $REPO_NAME
+#      vcsh use $REPO_NAME
+       verbose "clone end"
 
 elif [ "$1" = 'init' ]; then
 
 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
        export REPO_NAME="$2"
        export GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
        init
-       vcsh use $REPO_NAME
-
-elif [ "$1" = 'exit' ]; then
-       if [[ $VCSH_NO_IGNORE_EOF -gt 0 ]]; then
-               unset VCSH_NO_IGNORE_EOF
-               setopt NO_IGNORE_EOF
-       fi
-       leave
-       buildPS1
-       return 0
+#      vcsh use "$REPO_NAME"
+       verbose "init end"
+
+#elif [ "$1" = 'exit' ]; then
+#      verbose "exit begin"
+#      if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
+#              unset VCSH_NO_IGNORE_EOF
+#              setopt NO_IGNORE_EOF
+#      fi
+#      leave
+#      [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+#      verbose "exit end"
+#      exit 0
+
+elif [ "$1" = 'seed-gitignore' ]; then
+       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=$(git ls-files)
+       gitignores=$(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
+       for gitignore in $gitignores; do
+               echo $gitignore >> .gitignore.d/$2
+       done
 
 else
 
 else
+       verbose "defaulting to calling help()"
        help
        help
-       return 3
+       exit 3
 
 fi
 
 
 fi