Ticket #28247: gen_macports_patches.sh

File gen_macports_patches.sh, 3.6 KB (added by carsomyr@…, 14 years ago)

The patch archive generation script.

Line 
1#!/bin/bash
2#
3# Copyright (C) 2009-2011 Roy Liu
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are met:
8#
9#   * Redistributions of source code must retain the above copyright notice,
10#     this list of conditions and the following disclaimer.
11#   * Redistributions in binary form must reproduce the above copyright notice,
12#     this list of conditions and the following disclaimer in the documentation
13#     and/or other materials provided with the distribution.
14#   * Neither the name of the author nor the names of any contributors may be
15#     used to endorse or promote products derived from this software without
16#     specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29
30if [[ ! -d "$1" ]] || [[ ! -d "$2" ]]; then
31
32    echo "Please specify two directories." >&2
33    exit 1
34fi
35
36WORK_DIR="patch"
37
38if [[ -d "$WORK_DIR" ]]; then
39
40    echo "Directory '$WORK_DIR' already exists. Exiting ..."
41    exit 1
42fi
43
44SRC_DIR=$1
45DST_DIR=$2
46
47FILES_PATCH=()
48FILES_ADD=()
49
50rm -f patch.tgz
51
52mkdir -p "$WORK_DIR/files-patch"
53mkdir -p "$WORK_DIR/files-add"
54
55while read RSYNC_CHANGE; do
56
57    case "${RSYNC_CHANGE:0:1}" in
58
59        ">")
60            # Consider a file as patched if it's being transferred and changed.
61            if [[ "${RSYNC_CHANGE:3:1}" == "s" ]]; then
62                FILES_PATCH=("${FILES_PATCH[@]}" "${RSYNC_CHANGE:13}")
63            fi
64            ;;
65
66        "*")
67            # Consider a file as added if it's being deleted by the receiver and not a directory.
68            if [[ "${RSYNC_CHANGE:1:8}" == "deleting" ]] && [[ ! -d "$DST_DIR/${RSYNC_CHANGE:12}" ]]; then
69                FILES_ADD=("${FILES_ADD[@]}" "${RSYNC_CHANGE:12}")
70            fi
71            ;;
72
73        *)
74            ;;
75    esac
76
77done < <(rsync -r -i -n --delete --exclude=.DS_Store --exclude=.svn --exclude=/.git "$SRC_DIR"/ "$DST_DIR")
78
79#
80
81TMP_DIR=$(mktemp -d /tmp/gen_macports_patches.XXXXXX)
82
83for FILE in "${FILES_PATCH[@]}"; do
84
85    mkdir -p "$(dirname -- "$TMP_DIR/$FILE")"
86
87    cp "$SRC_DIR/$FILE" "$TMP_DIR/$FILE.orig"
88    cp "$DST_DIR/$FILE" "$TMP_DIR/$FILE"
89
90    (cd "$TMP_DIR" && diff -u "$FILE.orig" "$FILE") >> "$WORK_DIR/files-patch/patch-$(basename -- "$FILE").diff"
91done
92
93rm -rf "$TMP_DIR"
94
95#
96
97for FILE in "${FILES_ADD[@]}"; do
98
99    FILE_ADD_DIR=$(dirname -- "$WORK_DIR/files-add/$FILE")
100    mkdir -p "$FILE_ADD_DIR"
101
102    cp "$DST_DIR/$FILE" "$FILE_ADD_DIR"
103done
104
105# Create the patch archive.
106
107cat <<EOF > "$WORK_DIR/README"
108This is an autogenerated MacPorts patch archive. In the 'files-patch'
109directory, you will find the directory hierarchy of files that require
110patching. Analogously, the 'files-add' directory contains files not found in
111the original package that may have to be added.
112EOF
113
114tar -C "$WORK_DIR/.." -c -z -f patch.tgz "$(basename -- "$WORK_DIR")"
115
116rm -rf "$WORK_DIR"