author | Thomas Arendsen Hein <thomas@intevation.de> |
Wed, 21 Sep 2005 08:25:46 +0200 | |
changeset 1310 | 7e8a55c9ee5c |
parent 839 | 9c918287d10b |
child 1434 | 696851b1bba9 |
permissions | -rwxr-xr-x |
544
3d4d5f2aba9a
Remove bashisms and use /bin/sh instead of /bin/bash.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
306
diff
changeset
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1 |
#!/bin/sh |
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# |
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# hgmerge - default merge helper for Mercurial |
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# |
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# This tries to find a way to do three-way merge on the current system. |
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# The result ought to end up in $1. |
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set -e # bail out quickly on failure |
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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 | 13 |
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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
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17 |
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240 | 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" "$LOCAL.orig" |
240 | 20 |
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21 |
# Attempt to do a non-interactive merge |
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828
7a6acd56cd5a
Hide error message of type command.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
814
diff
changeset
|
22 |
if type merge > /dev/null 2>&1; then |
829
764b0350acb8
Shortened hgmerge a little bit.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
828
diff
changeset
|
23 |
merge "$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 | 28 |
fi |
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 | 35 |
fi |
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 | 41 |
fi |
42 |
fi |
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43 |
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44 |
# Attempt to do a merge with $EDITOR |
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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 | 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 | 48 |
exit 0 |
49 |
fi |
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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 | 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 | 54 |
exit 0 |
240 | 55 |
fi |
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 | 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 | 80 |
fi |
831
232d0616a80a
Cleaned up trap handling:
Thomas Arendsen Hein <thomas@intevation.de>
parents:
830
diff
changeset
|
81 |
exit 1 |
240 | 82 |
fi |
83 |
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echo "hgmerge: unable to find merge, tkdiff, kdiff3, or diff+patch!" |
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exit 1 |