| 1 | #!/usr/bin/env bash
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| 2 | # $FreeWRT$
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| 3 | # $MirOS: ports/infrastructure/scripts/update-patches,v 1.5 2006/06/15 19:18:43 tg Exp $
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| 4 | #-
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| 5 | # Copyright (c) 2006
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| 6 | # Thorsten Glaser <tg@freewrt.org>
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| 7 | # Copyright (c) 2003, 2004, 2005
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| 8 | # Thorsten "mirabile" Glaser <tg@MirBSD.de>
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| 9 | # Based upon code and idea (c) 2000
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| 10 | # Marc Espie for the OpenBSD project. All rights reserved.
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| 11 | #
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| 12 | # Licensee is hereby permitted to deal in this work without restric-
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| 13 | # tion, including unlimited rights to use, publicly perform, modify,
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| 14 | # merge, distribute, sell, give away or sublicence, provided all co-
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| 15 | # pyright notices above, these terms and the disclaimer are retained
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| 16 | # in all redistributions or reproduced in accompanying documentation
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| 17 | # or other materials provided with binary redistributions.
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| 18 | #
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| 19 | # Licensor offers the work "AS IS" and WITHOUT WARRANTY of any kind,
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| 20 | # express, or implied, to the maximum extent permitted by applicable
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| 21 | # law, without malicious intent or gross negligence; in no event may
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| 22 | # licensor, an author or contributor be held liable for any indirect
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| 23 | # or other damage, or direct damage except proven a consequence of a
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| 24 | # direct error of said person and intended use of this work, loss or
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| 25 | # other issues arising in any way out of its use, even if advised of
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| 26 | # the possibility of such damage or existence of a nontrivial bug.
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| 27 |
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| 28 | shopt -s extglob
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| 29 |
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| 30 | TRANSFORM='sed s/[.+]/\\\\&/g'
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| 31 | tfile=$(echo "$PATCHORIG" | $TRANSFORM)
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| 32 | DIFF_FLAGS="-adu -I \"^--- @@$(echo "$tfile") \""
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| 33 | DIFF_FLAGS="${DIFF_FLAGS} -I \"^\+\+\+ @@ \""
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| 34 |
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| 35 | mkdir -p $PATCHDIR
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| 36 |
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| 37 |
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| 38 | # Find out all $PATCHORIG files and strip the name to what diff will use
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| 39 | ( cd $WRKDIST && find . -type f -name "*${PATCHORIG}" \
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| 40 | | fgrep -v $DISTORIG | sed -e "s#^./\(.*\)\.${PATCHORIG#.*}\$#\1#" \
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| 41 | ) |&
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| 42 |
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| 43 | while read -p file; do
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| 44 | if cmp -s "$WRKDIST/$file" "$WRKDIST/$file$PATCHORIG"; then
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| 45 | echo "$file and $file$PATCHORIG are identical" >&2
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| 46 | continue
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| 47 | fi
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| 48 | if [[ ! -f $WRKDIST/$file ]]; then
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| 49 | echo "$file does not exist" >&2
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| 50 | continue
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| 51 | fi
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| 52 | echo "Processing ${file}..." >&2
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| 53 | # look in patchdir for an existing patchfile matching this
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| 54 | cd $PATCHDIR
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| 55 | for i in $PATCH_LIST; do
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| 56 | # Ignore non-files, or old backup
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| 57 | [[ ! -f $i || $i = *@(${PATCHORIG}|.rej|~) ]] \
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| 58 | && continue
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| 59 |
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| 60 | # Patch found. Is this the one?
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| 61 | if grep "^--- $file$PATCHORIG" "$i" >/dev/null; then
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| 62 | accounted="$accounted $i"
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| 63 | # found it, copy preamble before comparision
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| 64 | esc="$(echo "$file" | sed -e 's#/#\\/#g')"
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| 65 | ( sed -e "/^--- $esc$PATCHORIG/,\$d" <$i; \
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| 66 | cd $WRKDIST && diff -adup \
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| 67 | ${DIFF_ARGS} "$file$PATCHORIG" "$file" \
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| 68 | ) >"$i.new"
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| 69 | # did it change ? mark it as changed
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| 70 | tfile="$(echo "$file" | $TRANSFORM)"
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| 71 | if eval diff "$(echo "${DIFF_FLAGS}" \
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| 72 | ${DIFF_ARGS} | sed "s#@@#${tfile}#g")" \
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| 73 | "$i" "$i.new" 1>&2; then
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| 74 | rm "$i.new"
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| 75 | else
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| 76 | echo "Patch $i for $file updated" >&2
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| 77 | mv "$i" "$i$PATCHORIG"
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| 78 | mv "$i.new" "$i"
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| 79 | edit="$edit $i"
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| 80 | fi
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| 81 | continue 2
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| 82 | fi
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| 83 | done
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| 84 |
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| 85 | # Build a sensible name for the new patch file
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| 86 | patchname=patch-$(echo "$file" | sed -e 's#[/. ]#_#g')
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| 87 | echo "No patch-* found for $file, creating $patchname" >&2
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| 88 | ( echo '$Free''WRT$'; \
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| 89 | cd $WRKDIST && diff -adup ${DIFF_ARGS} "$file$PATCHORIG" "$file" \
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| 90 | ) >$patchname
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| 91 | edit="$edit $patchname"
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| 92 | accounted="$accounted $patchname"
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| 93 | done
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| 94 |
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| 95 | # Verify all patches accounted for
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| 96 | cd $PATCHDIR
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| 97 | for i in *; do
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| 98 | [[ ! -f $i || $i = *@(${PATCHORIG}|.rej|~) ]] \
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| 99 | && continue
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| 100 | grep '^\\ No newline at end of file' $i >/dev/null \
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| 101 | && echo "*** Patch $i needs manual intervention" >&2
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| 102 | [[ $accounted != *@($i)* ]] \
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| 103 | && echo "*** Patch $i not accounted for" >&2
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| 104 | done
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| 105 |
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| 106 | echo $edit
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| 107 | exit 0
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