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Major refactoring and one new feature

* Handle and sanitize all input in extra block
* Use exported variables instead of daisy-chaining them through functions
* Improve error detection and handling
* Re-order functions in alphabetical order

New feature:
* `vcsh <repo> <gitcommand>` is synonymous with `vcsh run <repo> git <gitcommand>
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1 parent 9fe9f7d commit d271ecd02b0c3fa8548c588f7e441f76a77420dc @RichiH committed Nov 20, 2011
Showing with 145 additions and 125 deletions.
  1. +1 −0 _vcsh
  2. +7 −2 doc/vcsh.1.ronn
  3. +137 −123 vcsh
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1 _vcsh
@@ -11,4 +11,5 @@ _arguments \
list\:"list all repos"
run\:"run command on repo"
seed-gitignore\:"seed .gitignore.d/foo from git ls-files"
+ \<REPO\>\:"Run git command directly"
))'
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9 doc/vcsh.1.ronn
@@ -9,14 +9,16 @@ vcsh(1) - manage and sync config files via git
`vcsh` delete
-`vcsh` init <foo>
+`vcsh` init <repo>
`vcsh` list
-`vcsh` run <foo> git command
+`vcsh` run <repo> <command>
`vcsh` seed-gitignore
+`vcsh` <repo> <gitcommand>
+
## DESCRIPTION
@@ -60,6 +62,9 @@ A sample configuration for `vcsh` and `mr` can be found at
* seed-gitignore:
Seed .gitignore.d/<repo> from git ls-files.
+* <repo> <gitcommand>:
+ Shortcut to run `vcsh` on a repo. Will prepend `git` to <command> by itself.
+
## ENVIRONMENT
As noted earlier, `vcsh` will set <$GIT_DIR> and <$GIT_WORK_TREE> to the
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260 vcsh
@@ -1,64 +1,51 @@
#!/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"
-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: $SELF <args>
clone <remote> \\
- [<repo>] Clone from an existing repository
- help Display this help
- delete Delete an existing repository
- init <repo> Initialize a new repository
- list List all repos
+ [<repo>] Clone from an existing repository
+ help Display this help text
+ delete Delete an existing repository
+ init <repo> Initialize a new repository
+ list List all repos
run <repo> \\
- <command> Use this repository
+ <command> Use this repository
seed-gitignore \\
- <repo> Seed .gitignore.d/<repo> from git ls-files" >&2
+ <repo> Seed .gitignore.d/<repo> from git ls-files
+
+ <repo> <git command> Special command that allows you to run git commands
+ directly without having to type so much ;)" >&2
+# use <repo> Use this repository
+#
+# exit Exit vcsh mode" >&2
+}
+
+debug() {
+ [ -n "$VCSH_DEBUG" ] && echo "$SELF: debug: $@"
+}
+
+verbose() {
+ if [ -n "$VCSH_DEBUG" ] || [ -n "$VCSH_VERBOSE" ]; then echo "$SELF: verbose: $@"; fi
}
use() {
verbose "use() begin"
- REPO_NAME="$1"
- GIT_DIR="$VCSH_BASE/$REPO_NAME.git"
-
if [ ! -d "$GIT_DIR" ]; then
- echo E: no repository found for "$REPO_NAME" >&2
+ echo E: no repository found for "$VCSH_REPO_NAME" >&2
return 1
fi
-
export GIT_DIR
export GIT_WORK_TREE="$(git config --get core.worktree)"
- export VCSH_DIRECTORY="$REPO_NAME"
+ export VCSH_DIRECTORY="$VCSH_REPO_NAME"
verbose "use() end"
}
@@ -87,60 +74,59 @@ leave() {
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" || return 1
+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' ]; then
+ [ -z $2 ] && echo "$SELF $1: error: please specify repository to work on" && return 1
+ [ -z $3 ] && echo "$SELF $1 $2: error: please specify a command" && return 1
+ export VCSH_COMMAND="$1"
+ export VCSH_REPO_NAME="$2"
+ export GIT_DIR="$VCSH_BASE/$VCSH_REPO_NAME.git"
shift 2
- "$@"
- leave
- verbose "run end"
- exit 0
+ export VCSH_EXTERNAL_COMMAND="$*"
+elif [ "$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 [ "$1" = 'use' ]; then
-# verbose "use begin"
-# if [ -n "$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 "$2" || return 1
-# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
-# verbose "use end"
-# exit 0
-elif [ "$1" = 'clone' ]; then
+for check_directory in "$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 $check_directory" >&2; exit 2)
+ fi
+ fi
+done
+
+
+if [ "$VCSH_COMMAND" = 'clone' ]; then
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
-
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" ] &&
@@ -152,19 +138,35 @@ elif [ "$1" = 'clone' ]; then
echo " Once this situation has been resolved, run 'vcsh run <foo> git pull' to finish cloning.\n" &&
exit 3
git merge origin/master
-# use $REPO_NAME || return 1
+# use || return 1
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/$REPO_NAME.git"
- init
-# use "$REPO_NAME" || return 1
- verbose "init end"
+elif [ "$VCSH_COMMAND" = 'help' ] || [ "$#" -eq 0 ]; then
+ help
+
+elif [ "$VCSH_COMMAND" = 'delete' ]; then
+ verbose "delete begin"
+ old_dir="$PWD"
+ cd "$HOME"
+ use || return 1
+ echo "$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" ] || exit
+ 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 [ "$1" = 'exit' ]; then
+#elif [ "$VCSH_COMMAND" = 'exit' ]; then
# verbose "exit begin"
# if [ -n "$ZSH_VERSION" ] && [ "$VCSH_NO_IGNORE_EOF" = '1' ]; then
# unset VCSH_NO_IGNORE_EOF
@@ -175,15 +177,34 @@ elif [ "$1" = 'init' ]; then
# verbose "exit end"
# exit 0
-elif [ "$1" = 'seed-gitignore' ]; then
+elif [ "$VCSH_COMMAND" = 'init' ]; then
+ verbose "init begin"
+ init
+# use || return 1
+ 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 1
+ $VCSH_EXTERNAL_COMMAND
+ leave
+ verbose "run end"
+
+elif [ "$VCSH_COMMAND" = '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 || return 1
+ use || return 1
# 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 "$HOME"
- git config core.excludesfile ".gitignore.d/$REPO_NAME"
+ git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
gitignores=$(for file in $(git ls-files); do
while true; do
echo $file; new="${file%/*}"
@@ -210,35 +231,28 @@ elif [ "$1" = 'seed-gitignore' ]; then
cd "$old_dir"
verbose "seed-gitignore end"
-elif [ "$1" = 'delete' ]; then
- verbose "delete begin"
- REPO_NAME=$2
- [ -z $REPO_NAME ] && help && echo && echo "$SELF $1: error: please specify repository to work on" && return 0
- old_dir="$PWD"
- cd "$HOME"
- use $REPO_NAME || return 1
- echo "$SELF: info: This operation WILL DETROY DATA!"
- files=$(git ls-files)
- echo "These files would be deleted:
-
-$files
-
-AGAIN, THIS WILL DELETE YOUR DATA!
-To continue, type \"Yes, do as I say\""
- read answer
- [ "x$answer" = "xYes, do as I say" ] || exit
- for file in $files; do
- rm -f $file || echo "$SELF: info: could not delete '$file', continuing with deletion"
- done
- rm -rf "$VCSH_BASE/$REPO_NAME.git" || echo "$SELF: info: could not delete '$VCSH_BASE/$REPO_NAME.git'"
- cd "$old_dir"
- verbose "delete end"
-
+#elif [ "$VCSH_COMMAND" = 'use' ]; then
+# verbose "use begin"
+# if [ -n "$ZSH_VERSION" ]; then
+# if [ -o NO_IGNORE_EOF ]; then
+# export VCSH_NO_IGNORE_EOF=1
+# setopt IGNORE_EOF
+# fi
+# vcsh_exit() {
+# vcsh exit;
+# zle reset-prompt;
+# }
+# zle -N vcsh_exit
+# bindkey '^d' 'vcsh_exit'
+# fi
+# use || return 1
+# [ -n "$ZSH_VERSION" ] && [ "$USER" = richih ] && buildPS1
+# verbose "use end"
else
verbose "defaulting to calling help()"
help
- exit 3
+ echo "$SELF: fatal: You should never reach this code. File a bug, please."
+ exit 99
fi
-

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