taskd/clone.sh

   1 #!/bin/bash
   2 #
   3 # Invoked from taskd/taskd.pl
   4
   5 . @basedir@/shlib.sh
   6
   7 set -e
   8
   9 umask 002
  10 [ "$cfg_permission_control" != "Hooks" ] || umask 000
  11
  12 projdir="$1"
  13 proj="${projdir%.git}"
  14
  15 cd "$cfg_reporoot/$projdir"
  16 trap "echo '@OVER@'; touch .clone_failed" EXIT
  17 url="$(config_get baseurl)"
  18
  19 if [ "$cfg_project_owners" = "source" ]; then
  20         config_set owner "$(stat -c %U "$url" 2>/dev/null)"
  21 fi
  22
  23 mailaddrs="$(config_get owner || :)"
  24 [ -z "$cfg_admin" ] ||
  25 if [ -z "$mailaddrs" ]; then mailaddrs="$cfg_admin"; else mailaddrs="$mailaddrs,$cfg_admin"; fi
  26
  27 # Initial mirror
  28 echo "Initiating mirroring..."
  29 case "$url" in
  30         svn://* | svn+http://* | svn+https://*)
  31                 # We just remove svn+ here, so svn+http://... becomes http://...
  32                 # We also remove a trailing '/' to match what git-svn will do
  33                 svnurl="${url#svn+}"
  34                 svnurl="${svnurl%/}"
  35                 # We require svn info to succeed on the URL otherwise it's
  36                 # simply not a valid URL and without using -s on the init it
  37                 # will not otherwise be tested until the fetch
  38                 svn --non-interactive info "$svnurl" > /dev/null
  39                 # We initially use -s for the init which will possibly shorten
  40                 # the URL.  However, the shortening can fail if a password is
  41                 # not required for the longer version but is for the shorter,
  42                 # so try again without -s if the -s version fails.
  43                 # We must use GIT_DIR=. here or ever so "helpful" git-svn will
  44                 # create a .git subdirectory!
  45                 GIT_DIR=. git svn init -s "$svnurl" < /dev/null ||
  46                 GIT_DIR=. git svn init "$svnurl" < /dev/null
  47                 # We need to remember this url so we can detect changes because
  48                 # ever so "helpful" git-svn may shorten it!
  49                 config_set svnurl "$svnurl"
  50                 # At this point, since we asked for a standard layout (-s) git-svn
  51                 # may have been "helpful" and adjusted our $svnurl to a prefix and
  52                 # then glued the removed suffix onto the front of any svn-remote.svn.*
  53                 # config items.  We could avoid this by not using the '-s' option
  54                 # but then we might not get all the history.  If, for example, we
  55                 # are cloning an http://svn.example.com/repos/public repository that
  56                 # early in its history moved trunk => public/trunk we would miss that
  57                 # earlier history without allowing the funky shorten+prefix behavior.
  58                 # So we read back the svn-remote.svn.fetch configuration and compute
  59                 # the prefix.  This way we are sure to get the correct prefix.
  60                 gitsvnurl="$(git config --get svn-remote.svn.url || :)"
  61                 gitsvnfetch="$(git config --get-all svn-remote.svn.fetch | tail -1 || :)"
  62                 gitsvnprefix="${gitsvnfetch%%:*}"
  63                 gitsvnsuffix="${gitsvnprefix##*/}"
  64                 gitsvnprefix="${gitsvnprefix%$gitsvnsuffix}"
  65                 # Ask git-svn to store everything in the normal non-remote
  66                 # locations being careful to use the correct prefix
  67                 git config --replace-all svn-remote.svn.fetch "${gitsvnprefix}trunk:refs/heads/master"
  68                 git config --replace-all svn-remote.svn.branches "${gitsvnprefix}branches/*:refs/heads/*"
  69                 git config --replace-all svn-remote.svn.tags "${gitsvnprefix}tags/*:refs/tags/*"
  70                 # look for additional non-standard directories to fetch
  71                 # check for standard layout at the same time
  72                 foundstd=
  73                 foundfile=
  74                 { svn --non-interactive ls "$gitsvnurl/${gitsvnprefix}" 2>/dev/null || :; } | \
  75                 { while read file; do case $file in
  76                         # skip the already-handled standard ones and any with a space or tab
  77                         *'      '*|*' '*) :;;
  78                         trunk/|branches/|tags/) foundstd=1;;
  79                         # only fetch extra directories from the $svnurl root (not any files)
  80                         *?/) git config --add svn-remote.svn.fetch \
  81                                 "${gitsvnprefix}${file%/}:refs/heads/${file%/}";;
  82                         *?) foundfile=1;;
  83                 esac; done
  84                 # if files found and no standard directories present use a simpler layout
  85                 if [ -z "$foundstd" ] && [ -n "$foundfile" ]; then
  86                         git config --unset svn-remote.svn.branches
  87                         git config --unset svn-remote.svn.tags
  88                         git config --replace-all svn-remote.svn.fetch ':refs/heads/master'
  89                 fi; }
  90                 # Again, be careful to use GIT_DIR=. here or else new .git subdirectory!
  91                 GIT_DIR=. git svn fetch --quiet < /dev/null
  92                 # git svn does not preserve group permissions in the svn subdirectory
  93                 chmod -R ug+rw,o+r svn
  94                 # git svn also leaves behind ref turds that end with @nnn
  95                 # We get rid of them now
  96                 git show-ref | \
  97                 { while read sha1 ref; do
  98                         case "$ref" in
  99                         ?*@[1-9]|?*@[1-9][0-9]|?*@[1-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9]|\
 100                         ?*@[1-9][0-9][0-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9][0-9][0-9]|\
 101                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9]|\
 102                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9])
 103                                 git update-ref -d "$ref"
 104                         esac
 105                 done; }
 106                 ;;
 107         darcs://*)
 108                 httpurl="${url/darcs:\/\//http://}"
 109                 "$cfg_basedir"/bin/darcs-fast-export --export-marks=$(pwd)/dfe-marks "$httpurl" | \
 110                         git fast-import --export-marks=$(pwd)/gfi-marks
 111                 # This is here because by default only the exit code of
 112                 # git fast-import is checked
 113                 [ ${PIPESTATUS[0]} = 0 -a ${PIPESTATUS[1]} = 0 ]
 114                 ;;
 115         bzr://*)
 116                 # we just remove bzr:// here, a typical bzr url is just
 117                 # "lp:foo"
 118                 bzrurl="${url#bzr://}"
 119                 bzr fast-export --export-marks=$(pwd)/bfe-marks "$bzrurl" | \
 120                         git fast-import --export-marks=$(pwd)/gfi-marks
 121                 [ ${PIPESTATUS[0]} = 0 -a ${PIPESTATUS[1]} = 0 ]
 122                 ;;
 123         *)
 124                 git remote rm origin >/dev/null 2>&1 || :
 125                 git remote add --mirror origin "$url"
 126                 GIT_SSL_NO_VERIFY=1 git remote update
 127                 GIT_SSL_NO_VERIFY=1 git remote prune origin
 128                 ;;
 129 esac
 130
 131 # The objects subdirectories permissions must be updated now.
 132 # In the case of a dumb http clone, the permissions will not be correct
 133 # (missing group write) despite the core.sharedrepository=1 setting!
 134 # The objects themselves seem to have the correct permissions.
 135 # This problem appears to have been fixed in the most recent git versions.
 136 perms=g+w
 137 [ "$cfg_permission_control" != "Hooks" ] || perms=go+w
 138 chmod $perms $(find objects -maxdepth 1 -type d) 2>/dev/null || :
 139
 140 # Initialize gitweb.lastchange and info/lastactivity
 141 git config gitweb.lastchange "$(date '+%a, %d %b %Y %T %z')"
 142 git for-each-ref --sort=-committerdate --format='%(committerdate:iso8601)' \
 143         --count=1 refs/heads > info/lastactivity
 144 [ -s info/lastactivity ] || rm -f info/lastactivity
 145
 146 # The rest
 147 echo "Final touches..."
 148 git update-server-info
 149 trap "" EXIT
 150
 151 [ -z "$mailaddrs" ] ||
 152 mail -s "[$cfg_name] $proj clone completed" "$mailaddrs" <<EOT || :
 153 Congratulations! The clone of project $proj just completed.
 154
 155         * Source URL: $url
 156         * GitWeb interface: $cfg_gitweburl/$projdir
 157         * Project settings: $cfg_webadmurl/editproj.cgi?name=$proj
 158
 159 Have a lot of fun.
 160 EOT
 161
 162 echo "Mirroring finished successfuly!"
 163 # In case this is a re-mirror, lastgc could have been set already so clear it now
 164 git config --unset gitweb.lastgc || :
 165 rm .clone_in_progress
 166 echo "@OVER@"