hgmerge
author Josef "Jeff" Sipek <jeffpc@optonline.net>
Mon, 12 Dec 2005 01:25:24 -0500
changeset 1578 4a14edbda3ca
parent 1434 696851b1bba9
child 1647 64a1169c927d
permissions -rwxr-xr-x
[hgweb] Remove reference to a non-existing file
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
544
3d4d5f2aba9a Remove bashisms and use /bin/sh instead of /bin/bash.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 306
diff changeset
     1
#!/bin/sh
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     2
#
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     3
# hgmerge - default merge helper for Mercurial
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     4
#
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     5
# This tries to find a way to do three-way merge on the current system.
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     6
# The result ought to end up in $1.
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     7
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     8
set -e # bail out quickly on failure
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
     9
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    10
LOCAL="$1"
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    11
BASE="$2"
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    12
OTHER="$3"
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    13
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    14
if [ -z "$EDITOR" ]; then
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    15
    EDITOR="vi"
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    16
fi
304
38fb7d23b78d Use vi if $EDITOR is unset.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 303
diff changeset
    17
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    18
# find decent versions of our utilities, insisting on the GNU versions where we
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    19
# need to
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    20
DIFF3=gdiff3
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    21
DIFF=gdiff
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    22
PATCH=gpatch
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    23
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    24
type $DIFF3 >/dev/null 2>&1 || DIFF3=diff3
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    25
type $DIFF  >/dev/null 2>&1 || DIFF=diff
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    26
type $PATCH  >/dev/null 2>&1 || PATCH=patch
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    27
$DIFF3 --version >/dev/null 2>&1 || DIFF3=
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    28
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    29
# Back up our file
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    30
cp "$LOCAL" "$LOCAL.orig"
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    31
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    32
# Attempt to do a non-interactive merge
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
    33
if type merge > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    34
    merge "$LOCAL" "$BASE" "$OTHER" 2> /dev/null && exit 0
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    35
    cp "$LOCAL.orig" "$LOCAL"
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    36
elif [ -n "$DIFF3" ]; then
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    37
    echo $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER"
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    38
    $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" && exit 0
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    39
    if [ $? -eq 2 ]; then
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    40
        echo "$DIFF3 failed! Exiting." 1>&2
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    41
        cp "$LOCAL.orig" "$LOCAL"
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    42
        exit 1
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    43
    fi
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    44
    cp "$LOCAL.orig" "$LOCAL"
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    45
fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    46
303
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
    47
if [ -n "$DISPLAY" ]; then
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
    48
    # try using kdiff3, which is fairly nice
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
    49
    if type kdiff3 > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    50
	kdiff3 --auto "$BASE" "$LOCAL" "$OTHER" -o "$LOCAL" || exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    51
	exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    52
    fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    53
303
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
    54
    # try using tkdiff, which is a bit less sophisticated
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
    55
    if type tkdiff > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    56
	tkdiff "$LOCAL" "$OTHER" -a "$BASE" -o "$LOCAL" || exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    57
	exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    58
    fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    59
fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    60
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    61
# Attempt to do a merge with $EDITOR
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
    62
if type merge > /dev/null 2>&1; then
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    63
    echo "conflicts detected in $LOCAL"
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    64
    merge "$LOCAL" "$BASE" "$OTHER" 2>/dev/null || $EDITOR "$LOCAL"
242
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
    65
    exit 0
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
    66
fi
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
    67
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    68
if [ -n "$DIFF3" ]; then
242
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
    69
    echo "conflicts detected in $LOCAL"
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    70
    $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" || {
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    71
        case $? in
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    72
            1)
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    73
                $EDITOR "$LOCAL" ;;
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    74
            2)  echo "$DIFF3 failed! Exiting." 1>&2
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    75
                cp "$LOCAL.orig" "$LOCAL"
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    76
                exit 1 ;;
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    77
        esac
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    78
        exit 0
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    79
    }
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    80
fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    81
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    82
HGTMP=""
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    83
cleanup_exit() {
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    84
    rm -rf "$HGTMP"
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    85
}
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    86
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
    87
# attempt to manually merge with diff and patch
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    88
if [ -n "$DIFF" -a -n "$PATCH" ]; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    89
    # Remove temporary files even if we get interrupted
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
    90
    trap "cleanup_exit" 0 # normal exit
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
    91
    trap "exit 1" 1 2 3 6 15 # HUP INT QUIT ABRT TERM
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    92
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    93
    HGTMP="${TMPDIR-/tmp}/hgmerge.$RANDOM.$RANDOM.$RANDOM.$$"
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    94
    (umask 077 && mkdir "$HGTMP") || {
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    95
	echo "Could not create temporary directory! Exiting." 1>&2
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    96
	exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
    97
    }
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
    98
1434
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
    99
    $DIFF -u "$BASE" "$OTHER" > "$HGTMP/diff" || :
696851b1bba9 Fix use of diff(1) triggered by set -e.
levon@movementarian.org
parents: 839
diff changeset
   100
    if $PATCH "$LOCAL" < "$HGTMP/diff"; then
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
   101
	exit 0
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
   102
    else
830
ca080d28d0af If rejects are empty after using the editor, merge with diff+patch was ok.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 829
diff changeset
   103
	# If rejects are empty after using the editor, merge was ok
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
   104
	$EDITOR "$LOCAL" "$LOCAL.rej" && test -s "$LOCAL.rej" || exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
   105
    fi
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
   106
    exit 1
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
   107
fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
   108
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
   109
echo "hgmerge: unable to find merge, tkdiff, kdiff3, or diff+patch!"
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
   110
exit 1