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 url="$(config_get baseurl)"
  94 mail="$(config_get owner || :)"
  95 statusok="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
  96 mailaddrs=''
  97 [ "$statusok" = "false" -o -z "$mail" ] || mailaddrs="$mail"
  98 [ -z "$cfg_admincc" -o "$cfg_admincc" = "0" -o -z "$cfg_admin" ] || \
  99 if [ -z "$mailaddrs" ]; then mailaddrs="$cfg_admin"; else mailaddrs="$mailaddrs,$cfg_admin"; fi
 100
 101 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
 102 bang_eval "sort -k1b,1 <.refs-temp >.refs-before"
 103
 104 case "$url" in
 105         svn://* | svn+http://* | svn+https://*)
 106                 [ -n "$cfg_mirror_svn" ] || { echo "Mirroring svn is disabled" >&2; exit 0; }
 107                 # Update the git svn url to match baseurl but be cognizant of any
 108                 # needed prefix changes.  See the comments in taskd/clone.sh about
 109                 # why we need to put up with a prefix in the first place.
 110                 svnurl="${url#svn+}"
 111                 svnurl="${svnurl%/}"
 112                 svnurlold="$(config_get svnurl || :)"
 113                 if [ "$svnurl" != "$svnurlold" ]; then
 114                         # We better already have an svn-remote.svn.fetch setting
 115                         bang test -n "$(git config --get-all svn-remote.svn.fetch || :)"
 116                         # the only way to truly know what the proper prefix is
 117                         # is to attempt a fresh git-svn init -s on the new url
 118                         rm -rf svn-new-url || :
 119                         # We require svn info to succeed on the URL otherwise it's
 120                         # simply not a valid URL and without using -s on the init it
 121                         # will not otherwise be tested until the fetch
 122                         bang eval 'svn --non-interactive info "$svnurl" > /dev/null'
 123                         bang mkdir svn-new-url
 124                         GIT_DIR=svn-new-url bang git init --bare --quiet
 125                         # We initially use -s for the init which will possibly shorten
 126                         # the URL.  However, the shortening can fail if a password is
 127                         # not required for the longer version but is for the shorter,
 128                         # so try again without -s if the -s version fails.
 129                         cmdstr='git svn init --prefix= -s "$svnurl" < /dev/null > /dev/null 2>&1 || '
 130                         cmdstr="$cmdstr"'git svn init --prefix= "$svnurl" < /dev/null > /dev/null 2>&1'
 131                         GIT_DIR=svn-new-url bang eval "$cmdstr"
 132                         gitsvnurl="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.url || :)"
 133                         gitsvnfetch="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.fetch || :)"
 134                         gitsvnprefixnew="${gitsvnfetch%%:*}"
 135                         gitsvnsuffixnew="${gitsvnprefixnew##*/}"
 136                         gitsvnprefixnew="${gitsvnprefixnew%$gitsvnsuffixnew}"
 137                         rm -rf svn-new-url || :
 138                         # Using GIT_DIR= with bang leaves it set to svn-new-url, so reset it to .
 139                         GIT_DIR=.
 140                         if [ "$gitsvnurl" != "$(git config --get svn-remote.svn.url || :)" ]; then
 141                                 # The url has been changed.
 142                                 # We must update the url and replace the prefix on all config items
 143                                 gitsvnfetch="$(git config --get-all svn-remote.svn.fetch | head -1 || :)"
 144                                 gitsvnprefixold="${gitsvnfetch%%:*}"
 145                                 gitsvnsuffixold="${gitsvnprefixold##*/}"
 146                                 gitsvnprefixold="${gitsvnprefixold%$gitsvnsuffixold}"
 147                                 git config --remove-section 'svn-remote.svnnew' 2>/dev/null || :
 148                                 git config 'svn-remote.svnnew.url' "$gitsvnurl"
 149                                 { git config --get-regexp '^svn-remote\.svn\.' || :; } | \
 150                                 { while read sname sval; do
 151                                         case "$sname" in
 152                                         svn-remote.svn.fetch|svn-remote.svn.branches|svn-remote.svn.tags)
 153                                                 sname="${sname#svn-remote.svn.}"
 154                                                 sval="${sval#$gitsvnprefixold}"
 155                                                 bang git config --add "svn-remote.svnnew.$sname" "${gitsvnprefixnew}$sval"
 156                                         esac
 157                                 done; }
 158                                 bang git config -f svn/.metadata svn-remote.svn.reposRoot "$gitsvnurl"
 159                                 bang git config --remove-section svn-remote.svn
 160                                 bang git config --rename-section svn-remote.svnnew svn-remote.svn
 161                         fi
 162                         bang config_set svnurl "$svnurl"
 163                 fi
 164                 # remove any stale *.lock files greater than 1 hour old in case
 165                 # git-svn was killed on the last update because it took too long
 166                 find svn -type f -name '*.lock' -mmin +60 -print0 2>/dev/null | xargs -0 rm -f
 167                 GIT_DIR=. bang git svn fetch --quiet < /dev/null
 168                 # git svn does not preserve group permissions in the svn subdirectory
 169                 chmod -R ug+rw,o+r svn
 170                 # git svn also leaves behind ref turds that end with @nnn
 171                 # We get rid of them now
 172                 git show-ref | \
 173                 { while read sha1 ref; do
 174                         case "$ref" in
 175                         ?*@[1-9]|?*@[1-9][0-9]|?*@[1-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9]|\
 176                         ?*@[1-9][0-9][0-9][0-9][0-9]|?*@[1-9][0-9][0-9][0-9][0-9][0-9]|\
 177                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9]|\
 178                         ?*@[1-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9])
 179                                 git update-ref -d "$ref"
 180                         esac
 181                 done; }
 182                 ;;
 183         darcs://*)
 184                 [ -n "$cfg_mirror_darcs" ] || { echo "Mirroring darcs is disabled" >&2; exit 0; }
 185                 httpurl="http://${url#darcs://}"
 186                 # remove any stale lock files greater than 1 hour old in case
 187                 # darcs_fast_export was killed on the last update because it took too long
 188                 find *.darcs -maxdepth 2 -type f -name 'lock' -mmin +60 -print0 2>/dev/null | xargs -0 rm -f
 189                 bang git_darcs_fetch "$httpurl"
 190                 ;;
 191         bzr://*)
 192                 [ -n "$cfg_mirror_bzr" ] || { echo "Mirroring bzr is disabled" >&2; exit 0; }
 193                 bzrurl="${url#bzr://}"
 194                 bang git_bzr_fetch "$bzrurl"
 195                 ;;
 196         hg+http://* | hg+https://*)
 197                 [ -n "$cfg_mirror_hg" ] || { echo "Mirroring hg is disabled" >&2; exit 0; }
 198                 # We just remove hg+ here, so hg+http://... becomes http://...
 199                 hgurl="${url#hg+}"
 200                 # Fetch any new updates
 201                 bang hg -R "$(pwd)/repo.hg" pull
 202                 # Do the fast-export | fast-import
 203                 bang git_hg_fetch
 204                 ;;
 205         *)
 206                 [ "$url" = "$(git config --get remote.origin.url || :)" ] || bang config_set_raw remote.origin.url "$url"
 207                 GIT_SSL_NO_VERIFY=1 bang git remote update
 208                 GIT_SSL_NO_VERIFY=1 bang git remote prune origin
 209                 ;;
 210 esac
 211
 212 # The objects subdirectories permissions must be updated now.
 213 # In the case of a dumb http clone, the permissions will not be correct
 214 # (missing group write) despite the core.sharedrepository=1 setting!
 215 # The objects themselves seem to have the correct permissions.
 216 # This problem appears to have been fixed in the most recent git versions.
 217 perms=g+w
 218 [ "$cfg_permission_control" != "Hooks" ] || perms=go+w
 219 chmod $perms $(find objects -maxdepth 1 -type d) 2>/dev/null || :
 220
 221 bang git update-server-info
 222 bang config_set lastrefresh "$(date "$datefmt")"
 223
 224 # Look at which refs changed and trigger ref-change for these
 225 bang_eval "git for-each-ref --format '%(refname)        %(objectname)' >.refs-temp"
 226 bang_eval "sort -k1b,1 <.refs-temp >.refs-after"
 227 sockpath="$cfg_chroot/etc/taskd.socket"
 228 if [ -S "$sockpath" ] && ! cmp -s .refs-before .refs-after; then
 229         join -j 1 .refs-before .refs-after |
 230                 while read ref old new; do
 231                         [ "$old" != "$new" ] || continue
 232                         echo "ref-change %$proj% $proj $old $new $ref" | nc_openbsd -w 1 -U "$sockpath"
 233                 done
 234         join -j 1 -v 1 .refs-before .refs-after |
 235                 while read ref old; do
 236                         echo "ref-change %$proj% $proj $old 0000000000000000000000000000000000000000 $ref" | nc_openbsd -w 1 -U "$sockpath"
 237                 done
 238         join -j 1 -v 2 .refs-before .refs-after |
 239                 while read ref new; do
 240                         echo "ref-change %$proj% $proj 0000000000000000000000000000000000000000 $new $ref" | nc_openbsd -w 1 -U "$sockpath"
 241                 done
 242         git config gitweb.lastchange "$(date '+%a, %d %b %Y %T %z')"
 243         git for-each-ref --sort=-committerdate --format='%(committerdate:iso8601)' \
 244                 --count=1 refs/heads > info/lastactivity
 245 fi
 246
 247 rm -f .refs-before .refs-after .refs-temp
 248
 249 if [ -e .banged ]; then
 250         [ -z "$mailaddrs" ] ||
 251         {
 252                 echo "$proj update succeeded - failure recovery"
 253                 echo "this status message may be disabled on the project admin page"
 254         } | mail -s "[$cfg_name] $proj update succeeded" "$mailaddrs" || :
 255         rm .banged
 256 fi
 257
 258 progress "- [$proj] update (`date`)"