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| 1 | +#!/bin/sh |
| 2 | + |
| 3 | +# Run this script from time to time to update revision.txt. |
| 4 | + |
| 5 | +outfile="revision.txt~" |
| 6 | +tempfile="${outfile}~" |
| 7 | + |
| 8 | +# first, generate a list of version tags |
| 9 | +releases=`git log --decorate --date=short --pretty=format:"%d" HEAD | sed -n 's/^.*tag: \(v3[.][^,)]*\).*$/\1/p'` |
| 10 | +# strip any experimental versions |
| 11 | +releases=`echo "${releases}" | sed 's/^v[0-9.]*-x.*$//g'` |
| 12 | + |
| 13 | +# generate list of relevant commits |
| 14 | +echo -n "Fetching revision data from Git repo" |
| 15 | +current="HEAD" |
| 16 | +rm "${outfile}" |
| 17 | +for prev in $releases |
| 18 | +do |
| 19 | + echo -n "." |
| 20 | + git log --decorate --date=short --topo-order --pretty=tformat:"%d%n%nCommit %h on %cd by %an %n%n%n%w(0,4,4)%B%n" "$current" "^$prev" >> "${outfile}" |
| 21 | + current="$prev" |
| 22 | +done |
| 23 | +git log --decorate --date=short --topo-order --pretty=tformat:"%d%n%nCommit %h on %cd by %an %n%n%n%w(0,4,4)%B%n" "$current" >> "${outfile}" |
| 24 | +echo "Done." |
| 25 | + |
| 26 | +# split up ref name lists into single lines |
| 27 | +echo -n "Isolating ref names" |
| 28 | +while grep -e '^ ([^,)]*,' "${outfile}" >/dev/null |
| 29 | +do |
| 30 | + echo -n "." |
| 31 | + sed 's/^ (\([^,)]*\),\s/ (\1)\n (/g' "${outfile}" > "${tempfile}" |
| 32 | + mv -f "${tempfile}" "${outfile}" |
| 33 | +done |
| 34 | +echo "Done." |
| 35 | + |
| 36 | +# eliminate any tags indicating experimental versions |
| 37 | +sed 's/^ (tag:\sv[0-9.]*-x[^)]*)$//g' "${outfile}" > "${tempfile}" |
| 38 | +mv -f "${tempfile}" "${outfile}" |
| 39 | + |
| 40 | +# prettify the tag ref names |
| 41 | +divider='------------------------------------------------------------------------------' |
| 42 | +sed 's/^ (tag:\s\(v3\.[^)+]*\)[^)]*)/'$divider'\nPOV-Ray \1\n'$divider'/g' "${outfile}" > "${tempfile}" |
| 43 | +mv -f "${tempfile}" "${outfile}" |
| 44 | +sed 's/^ (tag:\s\([^)+]*\)[^)]*)/'$divider'\n??? \1\n'$divider'/g' "${outfile}" > "${tempfile}" |
| 45 | +mv -f "${tempfile}" "${outfile}" |
| 46 | + |
| 47 | +# eliminate any other ref names |
| 48 | +sed 's/^ ([^)]*)$//g' "${outfile}" > "${tempfile}" |
| 49 | +mv -f "${tempfile}" "${outfile}" |
| 50 | + |
| 51 | +# collapse consecutive empty lines |
| 52 | +sed -r ':a; /^\s*$/ {N;ba}; s/( *\n){2,}/\n/' "${outfile}" > "${tempfile}" |
| 53 | +mv -f "${tempfile}" "${outfile}" |
| 54 | + |
| 55 | +# remove trailing whitespace |
| 56 | +sed 's/\s*$//g' "${outfile}" > "${tempfile}" |
| 57 | +mv -f "${tempfile}" "${outfile}" |
| 58 | + |
| 59 | +# identify known authors |
| 60 | +sed 's/by chris20$/by Chris Cason (chris20)/g' "${outfile}" > "${tempfile}" |
| 61 | +mv -f "${tempfile}" "${outfile}" |
| 62 | +sed 's/by c-lipka$/by Christoph Lipka (c-lipka)/g' "${outfile}" > "${tempfile}" |
| 63 | +mv -f "${tempfile}" "${outfile}" |
| 64 | +sed 's/by wfpokorny$/by William F. Pokorny (wfpokorny)/g' "${outfile}" > "${tempfile}" |
| 65 | +mv -f "${tempfile}" "${outfile}" |
| 66 | +sed 's/by BentSm$/by Ben Small (BentSm)/g' "${outfile}" > "${tempfile}" |
| 67 | +mv -f "${tempfile}" "${outfile}" |
| 68 | + |
| 69 | +# word wrap after 79 characters |
| 70 | +fmt -w79 -s "${outfile}" > "${tempfile}" |
| 71 | +mv -f "${tempfile}" "${outfile}" |
| 72 | + |
| 73 | +# add header |
| 74 | +( |
| 75 | + echo $divider |
| 76 | + echo "POV-Ray Revision History" |
| 77 | + echo $divider |
| 78 | + echo "NOTE: This auto-generated revision history needs manual postprocessing." |
| 79 | + echo "DO NOT COMMIT THIS FILE TO THE REPOSITORY!" |
| 80 | + echo $divider |
| 81 | + echo "" |
| 82 | + echo $divider |
| 83 | + echo "POV-Ray v???" |
| 84 | + echo $divider |
| 85 | + cat "${outfile}" |
| 86 | +) > "${tempfile}" |
| 87 | +mv -f "${tempfile}" "${outfile}" |
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