jobd/update.sh

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