Mercurial > hg
annotate hgmerge @ 1639:dbfc04a55607
_hg_status improvements in bash_completion:
- Use "hg status -n" option instead of cut command.
- Sort status flags accoring to "hg status --help"
- Show deleted files instead of "hg remove"d for "hg remove"
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Thu, 26 Jan 2006 15:07:46 +0100 |
parents | 696851b1bba9 |
children | 64a1169c927d |
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1 #!/bin/sh |
240 | 2 # |
3 # hgmerge - default merge helper for Mercurial | |
4 # | |
5 # This tries to find a way to do three-way merge on the current system. | |
6 # The result ought to end up in $1. | |
7 | |
8 set -e # bail out quickly on failure | |
9 | |
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10 LOCAL="$1" |
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11 BASE="$2" |
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12 OTHER="$3" |
240 | 13 |
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14 if [ -z "$EDITOR" ]; then |
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15 EDITOR="vi" |
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16 fi |
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17 |
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18 # find decent versions of our utilities, insisting on the GNU versions where we |
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19 # need to |
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20 DIFF3=gdiff3 |
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21 DIFF=gdiff |
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22 PATCH=gpatch |
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23 |
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24 type $DIFF3 >/dev/null 2>&1 || DIFF3=diff3 |
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25 type $DIFF >/dev/null 2>&1 || DIFF=diff |
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26 type $PATCH >/dev/null 2>&1 || PATCH=patch |
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27 $DIFF3 --version >/dev/null 2>&1 || DIFF3= |
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28 |
240 | 29 # Back up our file |
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30 cp "$LOCAL" "$LOCAL.orig" |
240 | 31 |
32 # Attempt to do a non-interactive merge | |
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33 if type merge > /dev/null 2>&1; then |
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34 merge "$LOCAL" "$BASE" "$OTHER" 2> /dev/null && exit 0 |
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35 cp "$LOCAL.orig" "$LOCAL" |
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36 elif [ -n "$DIFF3" ]; then |
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37 echo $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER" |
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38 $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" && exit 0 |
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39 if [ $? -eq 2 ]; then |
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40 echo "$DIFF3 failed! Exiting." 1>&2 |
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41 cp "$LOCAL.orig" "$LOCAL" |
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42 exit 1 |
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43 fi |
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44 cp "$LOCAL.orig" "$LOCAL" |
240 | 45 fi |
46 | |
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47 if [ -n "$DISPLAY" ]; then |
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48 # try using kdiff3, which is fairly nice |
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49 if type kdiff3 > /dev/null 2>&1; then |
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50 kdiff3 --auto "$BASE" "$LOCAL" "$OTHER" -o "$LOCAL" || exit 1 |
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51 exit 0 |
240 | 52 fi |
53 | |
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54 # try using tkdiff, which is a bit less sophisticated |
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55 if type tkdiff > /dev/null 2>&1; then |
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56 tkdiff "$LOCAL" "$OTHER" -a "$BASE" -o "$LOCAL" || exit 1 |
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57 exit 0 |
240 | 58 fi |
59 fi | |
60 | |
61 # Attempt to do a merge with $EDITOR | |
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62 if type merge > /dev/null 2>&1; then |
240 | 63 echo "conflicts detected in $LOCAL" |
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64 merge "$LOCAL" "$BASE" "$OTHER" 2>/dev/null || $EDITOR "$LOCAL" |
242 | 65 exit 0 |
66 fi | |
67 | |
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68 if [ -n "$DIFF3" ]; then |
242 | 69 echo "conflicts detected in $LOCAL" |
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70 $DIFF3 -m "$LOCAL.orig" "$BASE" "$OTHER" > "$LOCAL" || { |
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71 case $? in |
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72 1) |
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73 $EDITOR "$LOCAL" ;; |
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74 2) echo "$DIFF3 failed! Exiting." 1>&2 |
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75 cp "$LOCAL.orig" "$LOCAL" |
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76 exit 1 ;; |
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77 esac |
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78 exit 0 |
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79 } |
240 | 80 fi |
81 | |
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82 HGTMP="" |
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83 cleanup_exit() { |
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84 rm -rf "$HGTMP" |
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85 } |
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86 |
240 | 87 # attempt to manually merge with diff and patch |
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88 if [ -n "$DIFF" -a -n "$PATCH" ]; then |
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89 # Remove temporary files even if we get interrupted |
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90 trap "cleanup_exit" 0 # normal exit |
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91 trap "exit 1" 1 2 3 6 15 # HUP INT QUIT ABRT TERM |
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92 |
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93 HGTMP="${TMPDIR-/tmp}/hgmerge.$RANDOM.$RANDOM.$RANDOM.$$" |
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94 (umask 077 && mkdir "$HGTMP") || { |
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95 echo "Could not create temporary directory! Exiting." 1>&2 |
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96 exit 1 |
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97 } |
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98 |
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99 $DIFF -u "$BASE" "$OTHER" > "$HGTMP/diff" || : |
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100 if $PATCH "$LOCAL" < "$HGTMP/diff"; then |
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101 exit 0 |
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102 else |
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103 # If rejects are empty after using the editor, merge was ok |
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104 $EDITOR "$LOCAL" "$LOCAL.rej" && test -s "$LOCAL.rej" || exit 0 |
240 | 105 fi |
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106 exit 1 |
240 | 107 fi |
108 | |
109 echo "hgmerge: unable to find merge, tkdiff, kdiff3, or diff+patch!" | |
110 exit 1 |