| 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 | #
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| 8 | # Derived from the MirPorts Framework "update-patches" script:
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| 9 | #
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| 10 | # Copyright (c) 2003, 2004, 2005
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| 11 | # Thorsten "mirabile" Glaser <tg@MirBSD.de>
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| 12 | # Based upon code and idea (c) 2000
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| 13 | # Marc Espie for the OpenBSD project. All rights reserved.
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| 14 | #
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| 15 | # Licensee is hereby permitted to deal in this work without restric-
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| 16 | # tion, including unlimited rights to use, publicly perform, modify,
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| 17 | # merge, distribute, sell, give away or sublicence, provided all co-
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| 18 | # pyright notices above, these terms and the disclaimer are retained
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| 19 | # in all redistributions or reproduced in accompanying documentation
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| 20 | # or other materials provided with binary redistributions.
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| 21 | #
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| 22 | # Licensor offers the work "AS IS" and WITHOUT WARRANTY of any kind,
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| 23 | # express, or implied, to the maximum extent permitted by applicable
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| 24 | # law, without malicious intent or gross negligence; in no event may
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| 25 | # licensor, an author or contributor be held liable for any indirect
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| 26 | # or other damage, or direct damage except proven a consequence of a
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| 27 | # direct error of said person and intended use of this work, loss or
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| 28 | # other issues arising in any way out of its use, even if advised of
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| 29 | # the possibility of such damage or existence of a nontrivial bug.
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| 30 |
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| 31 | shopt -s extglob
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| 32 |
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| 33 | TRANSFORM='sed s/[.+]/\\\\&/g'
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| 34 |
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| 35 | mkdir -p $PATCHDIR
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| 36 |
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| 37 | SUBDIST=${WRKDIST##${WRKDIR1}?(/)}
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| 38 | if [[ -n $SUBDIST ]]; then
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| 39 | mv ${WRKDIR1}.orig/${SUBDIST} ${WRKDIR1}/${SUBDIST}.orig
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| 40 | D_BASE=${WRKDIR1}
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| 41 | D_SUB=${SUBDIST}
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| 42 | D_CMP=$D_SUB
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| 43 | else
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| 44 | # WRKSRC == WRKDIR
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| 45 | D_BASE=$(dirname ${WRKDIR1})
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| 46 | D_SUB=$(basename ${WRKDIR1})
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| 47 | D_CMP=
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| 48 | fi
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| 49 | ORGDIST=${D_BASE}/${D_SUB}.orig
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| 50 |
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| 51 | DIFF_FLAGS="-adu -I \"^--- $(echo $D_SUB.orig | $TRANSFORM)@@\""
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| 52 | DIFF_FLAGS="$DIFF_FLAGS -I \"^\+\+\+ $(echo $D_SUB | $TRANSFORM)@@\""
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| 53 |
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| 54 | for file in $(cd ${WRKDIST}; find . -type f | sed 's#^\./##'); do
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| 55 | cmp -s "$ORGDIST/$file" "$WRKDIST/$file" && continue
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| 56 | echo "Processing ${file}..." >&2
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| 57 | # look in patchdir for an existing patchfile matching this
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| 58 | cd $PATCHDIR
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| 59 | for i in $PATCH_LIST; do
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| 60 | # Ignore non-files, or old backup
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| 61 | [[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
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| 62 |
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| 63 | # Patch found. Is this the one?
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| 64 | if grep "^[+-][+-][+-] $D_CMP[^/]*/$file" "$i" >/dev/null; then
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| 65 | # Multiple files in the diff?
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| 66 | if [ $(grep -c "^--- $D_CMP" "$i") -gt 1 -o \
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| 67 | $(grep -c "^\+\+\+ $D_CMP" "$i") -gt 1 ]; then
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| 68 | echo "Cannot process, $i contains patches" >&2
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| 69 | echo "to multiple files! Aborting." >&2
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| 70 | echo FAIL
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| 71 | [[ -n $SUBDIST ]] && mv \
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| 72 | ${WRKDIR1}/${SUBDIST}.orig \
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| 73 | ${WRKDIR1}.orig/${SUBDIST}
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| 74 | exit 0
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| 75 | fi
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| 76 | # Multiple diffs with this file?
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| 77 | let n=0
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| 78 | esc=
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| 79 | for j in $PATCH_LIST; do
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| 80 | [[ ! -f $j || $j = *@(.orig|.rej|~) ]] && \
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| 81 | continue
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| 82 | grep "^[+-][+-][+-] $D_CMP[^/]*/$file" \
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| 83 | "$j" >/dev/null || continue
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| 84 | let n++
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| 85 | esc="$esc '$j'"
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| 86 | done
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| 87 | if (( n != 1 )); then
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| 88 | echo "Cannot process, file $file" >&2
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| 89 | echo "is contained in multiple patches:" >&2
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| 90 | echo "$esc" >&2
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| 91 | echo FAIL
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| 92 | [[ -n $SUBDIST ]] && mv \
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| 93 | ${WRKDIR1}/${SUBDIST}.orig \
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| 94 | ${WRKDIR1}.orig/${SUBDIST}
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| 95 | exit 0
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| 96 | fi
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| 97 | # No, process this patch
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| 98 |
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| 99 | accounted="$accounted $i"
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| 100 | # found it, copy preamble before comparision
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| 101 | esc="$(echo "$file" | sed -e 's#/#\\/#g')"
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| 102 | ( sed -e "/^--- /,\$d" <$i; \
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| 103 | cd $D_BASE && diff -adup \
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| 104 | "$D_SUB.orig/$file" "$D_SUB/$file" \
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| 105 | ) >"$i.new"
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| 106 | # did it change ? mark it as changed
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| 107 | tfile="$(echo "$file" | $TRANSFORM)"
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| 108 | if eval diff "$(echo "${DIFF_FLAGS}" \
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| 109 | | sed "s#@@#${tfile}#g")" \
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| 110 | "$i" "$i.new" 1>&2; then
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| 111 | rm "$i.new"
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| 112 | else
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| 113 | echo "Patch $i for $file updated" >&2
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| 114 | mv "$i" "$i.orig"
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| 115 | mv "$i.new" "$i"
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| 116 | edit="$edit $i"
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| 117 | fi
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| 118 | continue 2
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| 119 | fi
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| 120 | done
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| 121 |
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| 122 | # Build a sensible name for the new patch file
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| 123 | patchname=patch-$(echo "$file" | sed -e 's#[/. ]#_#g')
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| 124 | echo "No patch-* found for $file, creating $patchname" >&2
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| 125 | ( echo '$Free''WRT$'; \
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| 126 | cd $D_BASE && diff -adup "$D_SUB.orig/$file" "$D_SUB/$file" \
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| 127 | ) >$patchname
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| 128 | edit="$edit $patchname"
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| 129 | accounted="$accounted $patchname"
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| 130 | done
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| 131 |
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| 132 | # Verify all patches accounted for
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| 133 | cd $PATCHDIR
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| 134 | for i in *; do
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| 135 | [[ ! -f $i || $i = *@(.orig|.rej|~) ]] && continue
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| 136 | grep '^\\ No newline at end of file' $i >/dev/null \
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| 137 | && echo "*** Patch $i needs manual intervention" >&2
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| 138 | [[ $accounted != *@($i)* ]] \
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| 139 | && echo "*** Patch $i not accounted for" >&2
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| 140 | done
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| 141 |
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| 142 | echo $edit
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| 143 | [[ -n $SUBDIST ]] && mv ${WRKDIR1}/${SUBDIST}.orig ${WRKDIR1}.orig/${SUBDIST}
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| 144 | exit 0
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