jobd/update.sh

   1 #!/bin/bash
   2
   3 . @basedir@/shlib.sh
   4
   5 LC_ALL=C
   6 export LC_ALL
   7
   8 # date -R is linux-only, POSIX equivalent is '+%a, %d %b %Y %T %z'
   9 datefmt='+%a, %d %b %Y %T %z'
  10
  11 # darcs fast-export | git fast-import with error handling
  12 git_darcs_fetch() {
  13         "$cfg_basedir"/bin/darcs-fast-export --export-marks=$(pwd)/dfe-marks --import-marks=$(pwd)/dfe-marks "$1" | \
  14                 git fast-import --export-marks=$(pwd)/gfi-marks --import-marks=$(pwd)/gfi-marks
  15         [ ${PIPESTATUS[0]} = 0 -a ${PIPESTATUS[1]} = 0 ]
  16         return $?
  17 }
  18
  19 # bzr fast-export | git fast-import with error handling
  20 git_bzr_fetch() {
  21         bzr fast-export --export-marks=$(pwd)/dfe-marks --import-marks=$(pwd)/dfe-marks "$1" | \
  22                 git fast-import --export-marks=$(pwd)/gfi-marks --import-marks=$(pwd)/gfi-marks
  23         [ ${PIPESTATUS[0]} = 0 -a ${PIPESTATUS[1]} = 0 ]
  24         return $?
  25 }
  26 set -e
  27 trap 'if [ $? != 0 ]; then echo "update failed dir: $PWD" >&2; fi; rm -f "$bang_log"' EXIT
  28
  29 umask 002
  30 [ "$cfg_permission_control" != "Hooks" ] || umask 000
  31
  32 proj="$1"
  33 cd "$cfg_reporoot/$proj.git"
  34
  35 if check_interval lastrefresh $cfg_min_mirror_interval; then
  36         progress "= [$proj] update skip (last at $(config_get lastrefresh))"
  37         exit 0
  38 fi
  39 progress "+ [$proj] update (`date`)"
  40
  41 bang_setup
  42 bang_once=1
  43 bang_action="update"
  44
  45 url="$(config_get baseurl)"
  46 mail="$(config_get owner || :)"
  47 statusok="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
  48 mailaddrs=''
  49 [ "$statusok" = "false" -o -z "$mail" ] || mailaddrs="$mail"
  50 [ -z "$cfg_admincc" -o "$cfg_admincc" = "0" -o -z "$cfg_admin" ] ||
  51 if [ -z "$mailaddrs" ]; then mailaddrs="$cfg_admin"; else mailaddrs="$mailaddrs,$cfg_admin"; fi
  52
  53 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
  54 bang_eval "sort -k1b,1 <.refs-temp >.refs-before"
  55
  56 case "$url" in
  57         svn://* | svn+http://* | svn+https://*)
  58                 # Update the git svn url to match baseurl but be cognizant of any
  59                 # needed prefix changes.  See the comments in taskd/clone.sh about
  60                 # why we need to put up with a prefix in the first place.
  61                 svnurl="${url#svn+}"
  62                 svnurl="${svnurl%/}"
  63                 svnurlold="$(config_get svnurl || :)"
  64                 if [ "$svnurl" != "$svnurlold" ]; then
  65                         # We better already have an svn-remote.svn.fetch setting
  66                         bang test -n "$(git config --get-all svn-remote.svn.fetch || :)"
  67                         # the only way to truly know what the proper prefix is
  68                         # is to attempt a fresh git-svn init -s on the new url
  69                         rm -rf svn-new-url || :
  70                         # We require svn info to succeed on the URL otherwise it's
  71                         # simply not a valid URL and without using -s on the init it
  72                         # will not otherwise be tested until the fetch
  73                         bang eval 'svn --non-interactive info "$svnurl" > /dev/null'
  74                         bang mkdir svn-new-url
  75                         GIT_DIR=svn-new-url bang git init --bare --quiet
  76                         # We initially use -s for the init which will possibly shorten
  77                         # the URL.  However, the shortening can fail if a password is
  78                         # not required for the longer version but is for the shorter,
  79                         # so try again without -s if the -s version fails.
  80                         cmdstr='git svn init --prefix= -s "$svnurl" < /dev/null > /dev/null 2>&1 || '
  81                         cmdstr="$cmdstr"'git svn init --prefix= "$svnurl" < /dev/null > /dev/null 2>&1'
  82                         GIT_DIR=svn-new-url bang eval "$cmdstr"
  83                         gitsvnurl="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.url || :)"
  84                         gitsvnfetch="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.fetch || :)"
  85                         gitsvnprefixnew="${gitsvnfetch%%:*}"
  86                         gitsvnsuffixnew="${gitsvnprefixnew##*/}"
  87                         gitsvnprefixnew="${gitsvnprefixnew%$gitsvnsuffixnew}"
  88                         rm -rf svn-new-url || :
  89                         # Using GIT_DIR= with bang leaves it set to svn-new-url, so reset it to .
  90                         GIT_DIR=.
  91                         if [ "$gitsvnurl" != "$(git config --get svn-remote.svn.url || :)" ]; then
  92                                 # The url has been changed.
  93                                 # We must update the url and replace the prefix on all config items
  94                                 gitsvnfetch="$(git config --get-all svn-remote.svn.fetch | head -1 || :)"
  95                                 gitsvnprefixold="${gitsvnfetch%%:*}"
  96                                 gitsvnsuffixold="${gitsvnprefixold##*/}"
  97                                 gitsvnprefixold="${gitsvnprefixold%$gitsvnsuffixold}"
  98                                 git config --remove-section 'svn-remote.svnnew' 2>/dev/null || :
  99                                 git config 'svn-remote.svnnew.url' "$gitsvnurl"
 100                                 { git config --get-regexp '^svn-remote\.svn\.' || :; } | \
 101                                 { while read sname sval; do
 102                                         case "$sname" in
 103                                         svn-remote.svn.fetch|svn-remote.svn.branches|svn-remote.svn.tags)
 104                                                 sname="${sname#svn-remote.svn.}"
 105                                                 sval="${sval#$gitsvnprefixold}"
 106                                                 bang git config --add "svn-remote.svnnew.$sname" "${gitsvnprefixnew}$sval"
 107                                         esac
 108                                 done; }
 109                                 bang git config -f svn/.metadata svn-remote.svn.reposRoot "$gitsvnurl"
 110                                 bang git config --remove-section svn-remote.svn
 111                                 bang git config --rename-section svn-remote.svnnew svn-remote.svn
 112                         fi
 113                         bang config_set svnurl "$svnurl"
 114                 fi
 115                 # remove any stale *.lock files greater than 1 hour old in case
 116                 # git-svn was killed on the last update because it took too long
 117                 find svn -type f -name '*.lock' -mmin +60 -print0 | xargs -0 rm -f
 118                 GIT_DIR=. bang git svn fetch --quiet < /dev/null
 119                 # git svn does not preserve group permissions in the svn subdirectory
 120                 chmod -R ug+rw,o+r svn
 121                 # git svn also leaves behind ref turds that end with @nnn
 122                 # We get rid of them now
 123                 git show-ref | \
 124                 { while read sha1 ref; do
 125                         case "$ref" in
 126                         ?*@[1-9]|?*@[1-9][0-9]|?*@[1-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9]|\
 127                         ?*@[1-9][0-9][0-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9][0-9][0-9]|\
 128                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9]|\
 129                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9])
 130                                 git update-ref -d "$ref"
 131                         esac
 132                 done; }
 133                 ;;
 134         darcs://*)
 135                 httpurl="${url/darcs:\/\//http://}"
 136                 bang git_darcs_fetch "$httpurl"
 137                 ;;
 138         bzr://*)
 139                 bzrurl="${url#bzr://}"
 140                 bang git_bzr_fetch "$bzrurl"
 141                 ;;
 142         *)
 143                 [ "$url" = "$(git config --get remote.origin.url || :)" ] || bang config_set_raw remote.origin.url "$url"
 144                 GIT_SSL_NO_VERIFY=1 bang git remote update
 145                 GIT_SSL_NO_VERIFY=1 bang git remote prune origin
 146                 ;;
 147 esac
 148
 149 # The objects subdirectories permissions must be updated now.
 150 # In the case of a dumb http clone, the permissions will not be correct
 151 # (missing group write) despite the core.sharedrepository=1 setting!
 152 # The objects themselves seem to have the correct permissions.
 153 # This problem appears to have been fixed in the most recent git versions.
 154 perms=g+w
 155 [ "$cfg_permission_control" != "Hooks" ] || perms=go+w
 156 chmod $perms $(find objects -maxdepth 1 -type d) 2>/dev/null || :
 157
 158 bang git update-server-info
 159 bang config_set lastrefresh "$(date "$datefmt")"
 160
 161 # Look at which refs changed and trigger ref-change for these
 162 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
 163 bang_eval "sort -k1b,1 <.refs-temp >.refs-after"
 164 sockpath="$cfg_chroot/etc/taskd.socket"
 165 if [ -S "$sockpath" ] && ! cmp -s .refs-before .refs-after; then
 166         join -j 1 .refs-before .refs-after |
 167                 while read ref old new; do
 168                         [ "$old" != "$new" ] || continue
 169                         echo "ref-change %$proj% $proj $old $new $ref" | nc.openbsd -w 1 -U "$sockpath"
 170                 done
 171         join -j 1 -v 1 .refs-before .refs-after |
 172                 while read ref old; do
 173                         echo "ref-change %$proj% $proj $old 0000000000000000000000000000000000000000 $ref" | nc.openbsd -w 1 -U "$sockpath"
 174                 done
 175         join -j 1 -v 2 .refs-before .refs-after |
 176                 while read ref new; do
 177                         echo "ref-change %$proj% $proj 0000000000000000000000000000000000000000 $new $ref" | nc.openbsd -w 1 -U "$sockpath"
 178                 done
 179         git config gitweb.lastchange "$(date '+%a, %d %b %Y %T %z')"
 180         git for-each-ref --sort=-committerdate --format='%(committerdate:iso8601)' \
 181                 --count=1 refs/heads > info/lastactivity
 182 fi
 183
 184 rm -f .refs-before .refs-after .refs-temp
 185
 186 if [ -e .banged ]; then
 187         [ -z "$mailaddrs" ] ||
 188         {
 189                 echo "$proj update succeeded - failure recovery"
 190                 echo "this status message may be disabled on the project admin page"
 191         } | mail -s "[$cfg_name] $proj update succeeded" "$mailaddrs" || :
 192         rm .banged
 193 fi
 194
 195 progress "- [$proj] update (`date`)"