annotate hgmerge @ 1326:76b2c7096d08

Merge with MPM.
author Bryan O'Sullivan <bos@serpentine.com>
date Fri, 23 Sep 2005 00:06:49 -0700
parents 9c918287d10b
children 696851b1bba9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
18 # Back up our file
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
19 cp "$LOCAL" "$LOCAL.orig"
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
20
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
21 # Attempt to do a non-interactive merge
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
22 if type merge > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
23 merge "$LOCAL" "$BASE" "$OTHER" 2> /dev/null && exit 0
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
24 cp "$LOCAL.orig" "$LOCAL"
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
25 elif type diff3 > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
26 diff3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" && exit 0
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
27 cp "$LOCAL.orig" "$LOCAL"
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
28 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
29
303
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
30 if [ -n "$DISPLAY" ]; then
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
31 # try using kdiff3, which is fairly nice
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
32 if type kdiff3 > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
33 kdiff3 --auto "$BASE" "$LOCAL" "$OTHER" -o "$LOCAL" || exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
34 exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
35 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
36
303
15a9e55e7ea5 Check if $DISPLAY is set before using tkdiff or kdiff3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 280
diff changeset
37 # try using tkdiff, which is a bit less sophisticated
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
38 if type tkdiff > /dev/null 2>&1; then
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
39 tkdiff "$LOCAL" "$OTHER" -a "$BASE" -o "$LOCAL" || exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
40 exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
41 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
42 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
43
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
44 # 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
45 if type merge > /dev/null 2>&1; then
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
46 echo "conflicts detected in $LOCAL"
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
47 merge "$LOCAL" "$BASE" "$OTHER" 2>/dev/null || $EDITOR "$LOCAL"
242
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
48 exit 0
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
49 fi
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
50
828
7a6acd56cd5a Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 814
diff changeset
51 if type diff3 > /dev/null 2>&1; then
242
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
52 echo "conflicts detected in $LOCAL"
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
53 diff3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" || $EDITOR "$LOCAL"
242
a2edb4481f19 hgmerge: use diff3 if available
mpm@selenic.com
parents: 240
diff changeset
54 exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
55 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
56
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
57 HGTMP=""
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
58 cleanup_exit() {
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
59 rm -rf "$HGTMP"
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
60 }
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
61
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
62 # attempt to manually merge with diff and patch
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
63 if type diff > /dev/null 2>&1 && type patch > /dev/null 2>&1; then
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
64 # Remove temporary files even if we get interrupted
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
65 trap "cleanup_exit" 0 # normal exit
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
66 trap "exit 1" 1 2 3 6 15 # HUP INT QUIT ABRT TERM
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
67
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
68 HGTMP="${TMPDIR-/tmp}/hgmerge.$RANDOM.$RANDOM.$RANDOM.$$"
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
69 (umask 077 && mkdir "$HGTMP") || {
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
70 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
71 exit 1
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
72 }
795
cd0ad12d9e42 Remove usage of ${par:-word}, which and mktemp. Quote filenames.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 547
diff changeset
73
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
74 diff -u "$BASE" "$OTHER" > "$HGTMP/diff"
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
75 if patch "$LOCAL" < "$HGTMP/diff"; then
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
76 exit 0
829
764b0350acb8 Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 828
diff changeset
77 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
78 # 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
79 $EDITOR "$LOCAL" "$LOCAL.rej" && test -s "$LOCAL.rej" || exit 0
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
80 fi
831
232d0616a80a Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 830
diff changeset
81 exit 1
240
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
82 fi
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
83
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
84 echo "hgmerge: unable to find merge, tkdiff, kdiff3, or diff+patch!"
737c66b68290 Replace tkmerge with hgmerge
mpm@selenic.com
parents:
diff changeset
85 exit 1