prepare_news.sh

   1 #!/bin/bash
   2 #
   3
   4 SAVE_LC_ALL="${LC_ALL}"
   5 SAVE_LANG="${LANG}"
   6 SAVE_LANGUAGE="${LANGUAGE}"
   7
   8 LC_ALL=C
   9 export LC_ALL
  10 LANG=C
  11 export LANG
  12 LANGUAGE=C
  13 export LANGUAGE
  14
  15 set -u
  16 set -e
  17 umask 0022
  18
  19 test -d ".git" || {
  20         echo "Run this script from the top-level directory in the"
  21         echo "repository"
  22         exit 1
  23 }
  24
  25 usage() {
  26         echo "usage: $0 <NAME> <HEADLINE>"
  27         echo ""
  28         echo "This will open \$EDITOR in order to fill in the body content"
  29         echo ""
  30 }
  31
  32 test -n "${EDITOR-}" || {
  33         usage
  34         exit 1
  35 }
  36
  37 NAME=${1-}
  38 test -n "${NAME}" || {
  39         usage
  40         exit 1
  41 }
  42 shift 1
  43 HEADLINE=$(echo "$@" | xargs)
  44 test -n "${HEADLINE}" || {
  45         usage
  46         exit 1
  47 }
  48
  49 grep -q "<a name=\"${NAME}\"" posted_news/*.body.html && {
  50         echo "NAME[${NAME}] is not unique, choose another name"
  51         grep "<a name=\"${NAME}\"" posted_news/*.body.html
  52         exit 1
  53 }
  54
  55 nd=$(git diff -p --stat HEAD | wc -l)
  56 test x"${nd}" = x"0" || {
  57         echo "You have uncommited changes your working tree"
  58         git status
  59         exit 1
  60 }
  61
  62 trap_handler() {
  63         echo ""
  64         echo "ERROR: cleaning up"
  65         echo ""
  66
  67         for f in ${CLEANUP_FILES}; do
  68                 echo "Removing file[${f}]"
  69                 test -f "${f}" && {
  70                         rm "${f}" || {
  71                                 echo "failed to remove ${f}"
  72                         }
  73                 }
  74         done
  75
  76         test -n "${CLEANUP_RESET_COMMIT}" && {
  77                 echo "Reverting to commit[${CLEANUP_RESET_COMMIT}]"
  78                 git reset "${CLEANUP_RESET_COMMIT}"
  79         }
  80 }
  81
  82 CLEANUP_FILES=""
  83 trap trap_handler INT QUIT TERM EXIT
  84
  85 href="#${NAME}"
  86 utcdate=$(date --utc +"%d %B %Y")
  87 utctime=$(date --utc +"%Y%m%d-%H%M%S")
  88
  89 headlinefile="posted_news/${utctime}.${NAME}.headline.html"
  90 bodyfile="posted_news/${utctime}.${NAME}.body.html"
  91 snipfile=""
  92 echo "generating ${headlinefile}"
  93 CLEANUP_FILES="${CLEANUP_FILES} ${headlinefile}"
  94 {
  95         echo "<!-- BEGIN: ${headlinefile} -->"
  96         echo "<li> ${utcdate} <a href=\"${href}\">${HEADLINE}</a></li>"
  97         echo "<!-- END: ${headlinefile} -->"
  98 } > ${headlinefile}
  99
 100 echo "generating ${bodyfile}"
 101 CLEANUP_FILES="${CLEANUP_FILES} ${bodyfile}"
 102 {
 103         echo "<!-- BEGIN: ${bodyfile} -->"
 104         echo "<h5><a name=\"${NAME}\">${utcdate}</a></h5>"
 105         echo "<p class=headline>${HEADLINE}</p>"
 106         echo "<p>"
 107         echo "<!-- TODO: add your content here -->"
 108         echo "</p>"
 109         echo "<p>"
 110         echo "<!-- TODO: add more content here -->"
 111         echo "</p>"
 112         echo "<!-- SNIP -->"
 113         echo "<!-- TODO: remove the above line or move it to where you want the front-page preview to end, also remove this comment -->"
 114         echo "<!-- END: ${bodyfile} -->"
 115 } > ${bodyfile}
 116
 117 LC_ALL="${SAVE_LC_ALL}" \
 118 LANG="${SAVE_LANG}" \
 119 LANGUAGE="${SAVE_LANGUAGE}" \
 120 ${EDITOR} ${bodyfile}
 121
 122 if grep -q "<!-- SNIP -->" $bodyfile; then
 123         snipfile="posted_news/${utctime}.${NAME}.snip.html"
 124         echo "generating ${snipfile}"
 125         CLEANUP_FILES="${CLEANUP_FILES} ${snipfile}"
 126         {
 127                 echo "<!-- BEGIN: ${snipfile} -->"
 128                 while read -r line || [[ -n "$line" ]]; do
 129                         if [[ $line == *"<!-- BEGIN"* ]]; then
 130                                 continue
 131                         elif [[ $line == *"<!-- SNIP -->"* || $line == *"<!-- END"* ]]; then
 132                                 echo ${line%%<!--*}"<p><a href=\"/samba/latest_news.html#${NAME}\">(Read more)</a></p>"
 133                                 break
 134                         else
 135                                 echo $line
 136                         fi
 137                 done <"${bodyfile}"
 138                 echo "<!-- END: ${snipfile} -->"
 139         } > ${snipfile}
 140 fi
 141
 142 CLEANUP_FILES=""
 143 CLEANUP_RESET_COMMIT="HEAD"
 144 git add ${headlinefile} ${bodyfile} ${snipfile}
 145 git commit --signoff --message "NEWS[${NAME}]: ${HEADLINE}"
 146 CLEANUP_RESET_COMMIT="HEAD^"
 147
 148 echo ""
 149 echo "Once you have pushed the commit a cronjob updates"
 150 echo "the webserver content every 5-10 mins."
 151 echo ""
 152 echo "Please verify the commit carefully before pushing:"
 153 echo ""
 154 echo "  git show -p --stat HEAD"
 155 echo "  git push ..."
 156 echo ""
 157
 158 trap - INT QUIT TERM EXIT
 159 exit 0