Mercurial > hg
annotate tests/pdiff @ 31684:0be96ac9199a
rcutil: add a method to convert environment variables to config items
Handling config and environ priorities has been messy. Partially because we
don't have config layers - you either get all configs (sys + user), or none.
Ideally, environ like $EDITOR, $PAGER should be able to override the system
configs "ui.editor", "pager.pager". This patch provides the ability to
convert them into config items, so they can be inserted into the middle
config layer between system rc and user rc.
author | Jun Wu <quark@fb.com> |
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date | Sun, 26 Mar 2017 21:27:02 -0700 |
parents | 869e65e68aee |
children | a2b55ee62803 |
rev | line source |
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1 #!/bin/sh |
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2 |
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3 # Script to get stable diff output on any platform. |
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4 # |
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5 # Output of this script is almost equivalent to GNU diff with "-Nru". |
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6 # |
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7 # Use this script as "hg pdiff" via extdiff extension with preparation |
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8 # below in test scripts: |
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9 # |
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10 # $ cat >> $HGRCPATH <<EOF |
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11 # > [extdiff] |
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12 # > pdiff = sh "$RUNTESTDIR/pdiff" |
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13 # > EOF |
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14 |
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15 filediff(){ |
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16 # USAGE: filediff file1 file2 [header] |
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17 |
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18 # compare with /dev/null if file doesn't exist (as "-N" option) |
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19 file1="$1" |
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20 if test ! -f "$file1"; then |
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21 file1=/dev/null |
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22 fi |
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23 file2="$2" |
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24 if test ! -f "$file2"; then |
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25 file2=/dev/null |
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26 fi |
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27 |
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28 if cmp -s "$file1" "$file2" 2> /dev/null; then |
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29 # Return immediately, because comparison isn't needed. This |
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30 # also avoids redundant message of diff like "No differences |
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31 # encountered" (on Solaris) |
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32 return |
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33 fi |
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34 |
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35 if test -n "$3"; then |
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36 # show header only in recursive case |
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37 echo "$3" |
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38 fi |
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39 |
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40 # replace "/dev/null" by corresponded filename (as "-N" option) |
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41 diff -u "$file1" "$file2" | |
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42 sed "s@^--- /dev/null\(.*\)\$@--- $1\1@" | |
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43 sed "s@^\+\+\+ /dev/null\(.*\)\$@+++ $2\1@" |
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44 } |
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45 |
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46 if test -d "$1" -o -d "$2"; then |
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47 # ensure comparison in dictionary order |
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48 ( |
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49 if test -d "$1"; then (cd "$1" && find . -type f); fi |
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50 if test -d "$2"; then (cd "$2" && find . -type f); fi |
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51 ) | |
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52 sed 's@^\./@@g' | sort | uniq | |
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53 while read file; do |
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54 filediff "$1/$file" "$2/$file" "diff -Nru $1/$file $2/$file" |
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55 done |
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56 else |
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57 filediff "$1" "$2" |
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58 fi |