jobd/update.sh

   1 #!/bin/sh
   2
   3 . @basedir@/shlib.sh
   4
   5 # date -R is linux-only, POSIX equivalent is '+%a, %d %b %Y %T %z'
   6 datefmt='+%a, %d %b %Y %T %z'
   7
   8 # darcs fast-export | git fast-import with error handling
   9 git_darcs_fetch() (
  10         set_utf8_locale
  11         _err1=
  12         _err2=
  13         exec 3>&1
  14         { read -r _err1 || :; read -r _err2 || :; } <<-EOT
  15         $(
  16                 exec 4>&3 3>&1 1>&4 4>&-
  17                 {
  18                         _e1=0
  19                         "$cfg_basedir"/bin/darcs-fast-export \
  20                                 --export-marks="$(pwd)/dfe-marks" \
  21                                 --import-marks="$(pwd)/dfe-marks" "$1" 3>&- || _e1=$?
  22                         echo $_e1 >&3
  23                 } | \
  24                 {
  25                         _e2=0
  26                         git fast-import \
  27                                 --export-marks="$(pwd)/gfi-marks" \
  28                                 --export-pack-edges="$(pwd)/gfi-packs" \
  29                                 --import-marks="$(pwd)/gfi-marks" \
  30                                 --force 3>&- || _e2=$?
  31                         echo $_e2 >&3
  32                 }
  33         )
  34         EOT
  35         exec 3>&-
  36         [ "$_err1" = 0 -a "$_err2" = 0 ]
  37         return $?
  38 )
  39
  40 # bzr fast-export | git fast-import with error handling
  41 git_bzr_fetch() (
  42         set_utf8_locale
  43         _err1=
  44         _err2=
  45         exec 3>&1
  46         { read -r _err1 || :; read -r _err2 || :; } <<-EOT
  47         $(
  48                 exec 4>&3 3>&1 1>&4 4>&-
  49                 {
  50                         _e1=0
  51                         bzr fast-export \
  52                                 --export-marks="$(pwd)/dfe-marks" \
  53                                 --import-marks="$(pwd)/dfe-marks" "$1" 3>&- || _e1=$?
  54                         echo $_e1 >&3
  55                 } | \
  56                 {
  57                         _e2=0
  58                         git fast-import \
  59                                 --export-marks="$(pwd)/gfi-marks" \
  60                                 --export-pack-edges="$(pwd)/gfi-packs" \
  61                                 --import-marks="$(pwd)/gfi-marks" \
  62                                 --force 3>&- || _e2=$?
  63                         echo $_e2 >&3
  64                 }
  65         )
  66         EOT
  67         exec 3>&-
  68         [ "$_err1" = 0 -a "$_err2" = 0 ]
  69         return $?
  70 )
  71
  72 set -e
  73 [ -n "$cfg_mirror" ] || { echo "Mirroring is disabled" >&2; exit 0; }
  74 trap 'if [ $? != 0 ]; then echo "update failed dir: $PWD" >&2; fi; rm -f "$bang_log"' EXIT
  75
  76 umask 002
  77 [ "$cfg_permission_control" != "Hooks" ] || umask 000
  78
  79 proj="$1"
  80 cd "$cfg_reporoot/$proj.git"
  81
  82 if check_interval lastrefresh $cfg_min_mirror_interval; then
  83         progress "= [$proj] update skip (last at $(config_get lastrefresh))"
  84         exit 0
  85 fi
  86 progress "+ [$proj] update (`date`)"
  87
  88 bang_setup
  89 bang_once=1
  90 bang_action="update"
  91
  92 mail="$(config_get owner || :)"
  93 url="$(config_get baseurl || :)"
  94 case "$url" in *"       "*|*" "*|"")
  95         bang_eval 'echo "Bad mirror URL (\"$url\")"; ! :'
  96         exit 1
  97 esac
  98 bang echo "Mirroring from URL \"$url\""
  99 bang echo ""
 100 statusok="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
 101 mailaddrs=''
 102 [ "$statusok" = "false" -o -z "$mail" ] || mailaddrs="$mail"
 103 [ -z "$cfg_admincc" -o "$cfg_admincc" = "0" -o -z "$cfg_admin" ] || \
 104 if [ -z "$mailaddrs" ]; then mailaddrs="$cfg_admin"; else mailaddrs="$mailaddrs,$cfg_admin"; fi
 105
 106 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
 107 bang_eval "LC_ALL=C sort -k1b,1 <.refs-temp >.refs-before"
 108
 109 case "$url" in
 110         svn://* | svn+http://* | svn+https://*)
 111                 [ -n "$cfg_mirror_svn" ] || { echo "Mirroring svn is disabled" >&2; exit 0; }
 112                 # Update the git svn url to match baseurl but be cognizant of any
 113                 # needed prefix changes.  See the comments in taskd/clone.sh about
 114                 # why we need to put up with a prefix in the first place.
 115                 svnurl="${url#svn+}"
 116                 svnurl="${svnurl%/}"
 117                 svnurlold="$(config_get svnurl || :)"
 118                 if [ "$svnurl" != "$svnurlold" ]; then
 119                         # We better already have an svn-remote.svn.fetch setting
 120                         bang test -n "$(git config --get-all svn-remote.svn.fetch || :)"
 121                         # the only way to truly know what the proper prefix is
 122                         # is to attempt a fresh git-svn init -s on the new url
 123                         rm -rf svn-new-url || :
 124                         # We require svn info to succeed on the URL otherwise it's
 125                         # simply not a valid URL and without using -s on the init it
 126                         # will not otherwise be tested until the fetch
 127                         bang eval 'svn --non-interactive info "$svnurl" > /dev/null'
 128                         bang mkdir svn-new-url
 129                         GIT_DIR=svn-new-url bang git init --bare --quiet
 130                         # We initially use -s for the init which will possibly shorten
 131                         # the URL.  However, the shortening can fail if a password is
 132                         # not required for the longer version but is for the shorter,
 133                         # so try again without -s if the -s version fails.
 134                         cmdstr='git svn init --prefix "" -s "$svnurl" < /dev/null > /dev/null 2>&1 || '
 135                         cmdstr="$cmdstr"'git svn init --prefix "" "$svnurl" < /dev/null > /dev/null 2>&1'
 136                         GIT_DIR=svn-new-url bang eval "$cmdstr"
 137                         gitsvnurl="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.url || :)"
 138                         gitsvnfetch="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.fetch || :)"
 139                         gitsvnprefixnew="${gitsvnfetch%%:*}"
 140                         gitsvnsuffixnew="${gitsvnprefixnew##*/}"
 141                         gitsvnprefixnew="${gitsvnprefixnew%$gitsvnsuffixnew}"
 142                         rm -rf svn-new-url || :
 143                         # Using GIT_DIR= with bang leaves it set to svn-new-url, so reset it to .
 144                         GIT_DIR=.
 145                         if [ "$gitsvnurl" != "$(git config --get svn-remote.svn.url || :)" ]; then
 146                                 # The url has been changed.
 147                                 # We must update the url and replace the prefix on all config items
 148                                 gitsvnfetch="$(git config --get-all svn-remote.svn.fetch | head -1 || :)"
 149                                 gitsvnprefixold="${gitsvnfetch%%:*}"
 150                                 gitsvnsuffixold="${gitsvnprefixold##*/}"
 151                                 gitsvnprefixold="${gitsvnprefixold%$gitsvnsuffixold}"
 152                                 git config --remove-section 'svn-remote.svnnew' 2>/dev/null || :
 153                                 git config 'svn-remote.svnnew.url' "$gitsvnurl"
 154                                 { git config --get-regexp '^svn-remote\.svn\.' || :; } | \
 155                                 { while read sname sval; do
 156                                         case "$sname" in
 157                                         svn-remote.svn.fetch|svn-remote.svn.branches|svn-remote.svn.tags)
 158                                                 sname="${sname#svn-remote.svn.}"
 159                                                 sval="${sval#$gitsvnprefixold}"
 160                                                 bang git config --add "svn-remote.svnnew.$sname" "${gitsvnprefixnew}$sval"
 161                                         esac
 162                                 done; }
 163                                 bang git config -f svn/.metadata svn-remote.svn.reposRoot "$gitsvnurl"
 164                                 bang git config --remove-section svn-remote.svn
 165                                 bang git config --rename-section svn-remote.svnnew svn-remote.svn
 166                         fi
 167                         bang config_set svnurl "$svnurl"
 168                 fi
 169                 # remove any stale *.lock files greater than 1 hour old in case
 170                 # git-svn was killed on the last update because it took too long
 171                 find svn -type f -name '*.lock' -mmin +60 -print0 2>/dev/null | xargs -0 rm -f
 172                 GIT_DIR=. bang git svn fetch --quiet < /dev/null
 173                 # git svn does not preserve group permissions in the svn subdirectory
 174                 chmod -R ug+rw,o+r svn
 175                 # git svn also leaves behind ref turds that end with @nnn
 176                 # We get rid of them now
 177                 git show-ref | \
 178                 { while read sha1 ref; do
 179                         case "$ref" in
 180                         ?*@[1-9]|?*@[1-9][0-9]|?*@[1-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9]|\
 181                         ?*@[1-9][0-9][0-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9][0-9][0-9]|\
 182                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9]|\
 183                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9])
 184                                 git update-ref -d "$ref"
 185                         esac
 186                 done; }
 187                 # handle old-style svn setup if it exists
 188                 if [ -n "$(git config --get remote.origin.url || :)" ]; then
 189                         GIT_DIR=. bang git fetch
 190                 fi
 191                 ;;
 192         darcs://*)
 193                 [ -n "$cfg_mirror_darcs" ] || { echo "Mirroring darcs is disabled" >&2; exit 0; }
 194                 httpurl="http://${url#darcs://}"
 195                 # remove any stale lock files greater than 1 hour old in case
 196                 # darcs_fast_export was killed on the last update because it took too long
 197                 find *.darcs -maxdepth 2 -type f -name 'lock' -mmin +60 -print0 2>/dev/null | xargs -0 rm -f
 198                 bang git_darcs_fetch "$httpurl"
 199                 ;;
 200         bzr://*)
 201                 [ -n "$cfg_mirror_bzr" ] || { echo "Mirroring bzr is disabled" >&2; exit 0; }
 202                 bzrurl="${url#bzr://}"
 203                 bang git_bzr_fetch "$bzrurl"
 204                 ;;
 205         hg+http://* | hg+https://*)
 206                 [ -n "$cfg_mirror_hg" ] || { echo "Mirroring hg is disabled" >&2; exit 0; }
 207                 # We just remove hg+ here, so hg+http://... becomes http://...
 208                 hgurl="${url#hg+}"
 209                 # Fetch any new updates
 210                 bang hg -R "$(pwd)/repo.hg" pull
 211                 # Do the fast-export | fast-import
 212                 bang git_hg_fetch
 213                 ;;
 214         *)
 215                 [ "$url" = "$(git config --get remote.origin.url || :)" ] || bang config_set_raw remote.origin.url "$url"
 216                 GIT_SSL_NO_VERIFY=1 bang git remote update
 217                 GIT_SSL_NO_VERIFY=1 bang git remote prune origin
 218                 ;;
 219 esac
 220
 221 # The objects subdirectories permissions must be updated now.
 222 # In the case of a dumb http clone, the permissions will not be correct
 223 # (missing group write) despite the core.sharedrepository=1 setting!
 224 # The objects themselves seem to have the correct permissions.
 225 # This problem appears to have been fixed in the most recent git versions.
 226 perms=g+w
 227 [ "$cfg_permission_control" != "Hooks" ] || perms=go+w
 228 chmod $perms $(find objects -maxdepth 1 -type d) 2>/dev/null || :
 229
 230 bang git update-server-info
 231 bang config_set lastrefresh "$(date "$datefmt")"
 232
 233 # Look at which refs changed and trigger ref-change for these
 234 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
 235 bang_eval "LC_ALL=C sort -k1b,1 <.refs-temp >.refs-after"
 236 sockpath="$cfg_chroot/etc/taskd.socket"
 237 if ! cmp -s .refs-before .refs-after; then
 238         bang config_set lastreceive "$(date '+%a, %d %b %Y %T %z')"
 239         if [ -S "$sockpath" ]; then
 240                 LC_ALL=C join -j 1 .refs-before .refs-after |
 241                         while read ref old new; do
 242                                 [ "$old" != "$new" ] || continue
 243                                 echo "ref-change %$proj% $proj $old $new $ref" | nc_openbsd -w 1 -U "$sockpath"
 244                         done
 245                 LC_ALL=C join -j 1 -v 1 .refs-before .refs-after |
 246                         while read ref old; do
 247                                 echo "ref-change %$proj% $proj $old 0000000000000000000000000000000000000000 $ref" | \
 248                                 nc_openbsd -w 1 -U "$sockpath"
 249                         done
 250                 LC_ALL=C join -j 1 -v 2 .refs-before .refs-after |
 251                         while read ref new; do
 252                                 echo "ref-change %$proj% $proj 0000000000000000000000000000000000000000 $new $ref" | \
 253                                 nc_openbsd -w 1 -U "$sockpath"
 254                         done
 255         fi
 256         bang config_set lastchange "$(date '+%a, %d %b %Y %T %z')"
 257         bang_eval "git for-each-ref --sort=-committerdate --format='%(committerdate:iso8601)' \
 258                 --count=1 refs/heads > info/lastactivity"
 259 fi
 260
 261 rm -f .refs-before .refs-after .refs-temp
 262
 263 if [ -e .banged ]; then
 264         [ -z "$mailaddrs" ] ||
 265         {
 266                 echo "$proj update succeeded - failure recovery"
 267                 echo "this status message may be disabled on the project admin page"
 268         } | mail -s "[$cfg_name] $proj update succeeded" "$mailaddrs" || :
 269         rm -f .banged .bangagain
 270 fi
 271
 272 progress "- [$proj] update (`date`)"