git.ozlabs.org Git - next-scripts/blob - fetch_trees

   1 #!/bin/bash
   2
   3 tools_dir=$(dirname "$0")
   4 # shellcheck source=/dev/null
   5 . "$tools_dir/common.sh" ''
   6
   7 if [ "$1" = '-n' ]; then
   8         shift
   9         last=$(tail -n1 "$SHA1_FILE" | cut -f1 -d$'\t')
  10         start_from=$(awk -F '\t' '/^[^#]/ && $3 == "'"$last"'" {
  11                 do
  12                         getline;
  13                 while (/^#/ || $2 == "branch");
  14                 print $3;
  15                 exit 0;
  16         }' "$CTRL_FILE")
  17 fi
  18
  19 if [ "$1" = '-s' ]; then
  20         shift
  21         start_from="$1"
  22         if [ -z "$start_from" ]; then
  23                 printf '-s requires a start tree\n' 1>&2
  24                 exit 1
  25         fi
  26         shift
  27 fi
  28
  29 get_field()
  30 {
  31         awk -F '\t' '/^[^#]/ && $3 == "'"$1"'" { print $'"$2"'; }' "$CTRL_FILE"
  32 }
  33
  34 fetch_git()
  35 {
  36         git fetch "$1"
  37 }
  38
  39 fetch_mmotm()
  40 {
  41         (
  42                 if ! cd ../mmotm; then
  43                         printf 'Cannot chdir to ../mmotm\n' 1>&2
  44                         return
  45                 fi
  46                 if ! rsync -az --partial --exclude '.git*' \
  47                                 --exclude broken-out.tar.gz --delete \
  48                                 ozlabs.org::akpm/mmotm/. .; then
  49                         git reset --hard
  50                         printf 'Fetcing mmotm failed\n' 1>&2
  51                         return
  52                 fi
  53                 git add -A .
  54                 if [ "$(git status --porcelain)" ]; then
  55                         git commit -m "$(head -n 1 .DATE)"
  56                 fi
  57         )
  58 }
  59
  60 fetch_quilt()
  61 {
  62         (
  63                 url=$(get_field "$1" 4)
  64                 url=${url%/}    # strip trailing / if necessary
  65
  66                 if ! cd ../quilt; then
  67                         printf 'Cannot chdir to ../quilt\n' 1>&2
  68                         return
  69                 fi
  70                 if ! [ -d "$1" ] && ! mkdir "$1"; then
  71                         printf 'Cannot create quilt directory for %s\n' "$1" 1>&2
  72                         return
  73                 fi
  74                 if ! cd "$1"; then
  75                         printf 'Cannot chdir to quilt directory for %s\n' "$1" 1>&2
  76                         return
  77                 fi
  78                 if ! wget -N -nv --no-cache --no-xattr "$url/series"; then
  79                         printf 'Wget of %s series file failed\n' "$1" 1>&2
  80                         cd ..
  81                         rm -rf "$1"
  82                         git checkout "$1"
  83                         return
  84                 fi
  85                 find . -type f | sed 's,^./,,;/^series$/d' | sort >.series.old
  86                 if grep -q NEXT_PATCHES series; then
  87                         sed -n '/NEXT_PATCHES_START/,/NEXT_PATCHES_END/p' series
  88                 else
  89                         cat series
  90                 fi |
  91                         sed -e 's/[ \t]*#.*$//' -e '/^[ \t]*$/d' |
  92                         sort >.series.next
  93                 if [ -s .series.next ]; then
  94                         if ! wget -N -nv --no-cache --no-xattr -B "$url/" -i .series.next; then
  95                                 printf 'Wget of series %s failed\n' "$1" 1>&2
  96                                 cd ..
  97                                 rm -rf "$1"
  98                                 git checkout "$1"
  99                                 return
 100                         fi
 101                 fi
 102                 comm -23 .series.old .series.next | xargs -r rm -f
 103                 rm -f .series.old .series.next
 104         )
 105 }
 106
 107 trees="$*"
 108 if ! [ "$trees" ]; then
 109         trees=$(awk -F '\t' '/^[^#]/ && $2 != "branch" { print $3 }' "$CTRL_FILE")
 110 fi
 111
 112 for name in $trees; do
 113         if [ -n "$start_from" ]; then
 114                 if [ "$name" = "$start_from" ]; then
 115                         start_from=''
 116                 else
 117                         continue
 118                 fi
 119         fi
 120
 121         type=$(get_field "$name" 2)
 122         if ! [ "$type" ]; then
 123                 printf '%s: unknown tree\n' "$name" 1>&2
 124                 continue
 125         fi
 126
 127         printf '%s: %s\n' "$name" "$type"
 128         fun="fetch_$type"
 129         tfun=$(type -t "$fun")
 130         if [ "$tfun" = 'function' ]; then
 131                 "$fun" "$name"
 132         fi
 133 done
 134
 135 if ! cd ../quilt; then
 136         printf 'hmmm, what happened to the quilt directory?\n' 1>&2
 137         exit 1
 138 fi
 139 git add -A .
 140 if [ "$(git status --porcelain)" ]; then
 141         git commit -v -a -m "$(date '+%F-%H:%M')" -e
 142 fi
 143
 144 exit 0