#!/bin/sh
# gitcreate is part of the repo_shell distribution.

eval $([ -f /etc/repo_shell.conf ] && sed -e 's| ||g' < /etc/repo_shell.conf)
if [ -z "$owner" -o -z "$git_root" ]; then
    echo "$0: please configure /etc/repo_shell.conf"
    exit 1
fi
gitacls=.gitacls
gitaclspath="$git_root/$gitacls"
githooks=.githooks
githookspath="$git_root/$githooks"

# If running as root, rerun via sudo as user $owner to ensure proper permissions
if [ "$(whoami)" == "root" ]; then
    sudo -u $owner $0 $*
    exit $?
fi

if [ "$(whoami)" != "$owner" ]; then
    echo "$0: must run as user $owner" >&2
    exit 1
fi

unset yes
if [ "$1" = "-y" ]; then
  yes=y
  shift
fi

if [ $# -lt 1 -o $# -gt 2 ]; then
    echo "usage: $0 <repopath> [\"Short description\"]" >&2
    exit 1
fi

repopath=$1
repodesc=$2

if [ -e $git_root/$repopath ]; then
    echo "$0: repository $repopath already exists" >&2
    exit 1
fi

# Do not create subdirectories without asking first
repodir=$(dirname $repopath)
if [ ! -d "$git_root/$repodir" ]; then
  if [ ! $yes ]; then
    echo -n "Create git subdir '$repodir' (y/N)? "
    read ans
    ans=$(expr "$ans" : '\(.\).*') # works with dash too
    if [ "$ans" != "y" -a "$ans" != "Y" ];then
      echo "repository creation aborted at user request"
      exit 0
    fi
  fi
  mkdir -p "$git_root/$repodir" 2>/dev/null
  if [ ! -d "$git_root/$repodir" ]; then
    echo "$0: repository not created, git subdir '$repodir' create failed" >&2
    exit 1
  fi
fi

# Create the respository
umask 027
git --git-dir "$git_root/$repopath" init --bare
[ $? -ne 0 ] && exit 1

# Update the description
if [ -n "$2" ]; then
    echo $2 > $git_root/$repopath/description
fi

# Create symbolic links to any hook scripts in $githookspath
hooks="pre-receive post-receive update post-update"
backdir=$(echo "$repopath/hooks" | sed -e 's|[^/]*|..|g')
hookscripts=$(cd $githookspath 2>/dev/null && ls -d $hooks 2>/dev/null)
for s in $hookscripts; do
    echo "Linking default hook script $s"
    ln -s $backdir/$githooks/$s $git_root/$repopath/hooks/
done

[ -f "$gitaclspath" ] && echo "Check $gitaclspath for proper access permissions"
echo "Repository created."
[ ! -f "$gitaclspath" ] && echo "WARNING: $gitaclspath DOES NOT EXIST!"
exit 0