Mercurial > hg
annotate hgeditor @ 35012:d80380ba8e7d
changegroup: use any node, not min(), in treemanifest's generatemanifests
This is fixing quadratic behavior, which is probably not noticeable in the
common case, but if a very large directory gets added here, it can get pretty
bad. This was noticed because we had some pushes that spent >25s in changegroup
generation calling min() here, according to profiling.
The original reasoning for min() being used in 829d369fc5a8 was that, at that
point in the series, we were adding almost everything to tmfnodes during the
first iteration through the loop , so we needed to avoid sending child
directories before parents. Later changes made it so that the child directories
were added only when we visited the parent directory (not all of them on the
first iteration), so this is no longer necessary - there won't be any child
directories in tmfnodes before the parents have been sent.
This does mean that the manifests are now exchanged unordered, whereas
previously we would essentially do [a, b, b/c, b/c/d, e], we now can send a, b,
and e in any order; b/c must still follow b, and b/c/d must still follow b/c.
Differential Revision: https://phab.mercurial-scm.org/D1351
author | Kyle Lippincott <spectral@google.com> |
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date | Wed, 08 Nov 2017 18:24:43 -0800 |
parents | 1aee2ab0f902 |
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rev | line source |
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544
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Remove bashisms and use /bin/sh instead of /bin/bash.
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1 #!/bin/sh |
186 | 2 # |
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3 # This is an example of using HGEDITOR to create of diff to review the |
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4 # changes while committing. |
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5 |
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6 # If you want to pass your favourite editor some other parameters |
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7 # only for Mercurial, modify this: |
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8 case "${EDITOR}" in |
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9 "") |
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10 EDITOR="vi" |
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11 ;; |
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12 emacs) |
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13 EDITOR="$EDITOR -nw" |
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14 ;; |
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15 gvim|vim) |
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16 EDITOR="$EDITOR -f -o" |
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17 ;; |
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18 esac |
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19 |
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20 |
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21 HGTMP="" |
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22 cleanup_exit() { |
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23 rm -rf "$HGTMP" |
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24 } |
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25 |
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26 # Remove temporary files even if we get interrupted |
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27 trap "cleanup_exit" 0 # normal exit |
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28 trap "exit 255" HUP INT QUIT ABRT TERM |
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29 |
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30 HGTMP=$(mktemp -d ${TMPDIR-/tmp}/hgeditor.XXXXXX) |
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31 [ x$HGTMP != x -a -d $HGTMP ] || { |
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32 echo "Could not create temporary directory! Exiting." 1>&2 |
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33 exit 1 |
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34 } |
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35 |
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36 ( |
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37 grep '^HG: changed' "$1" | cut -b 13- | while read changed; do |
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38 "$HG" diff "$changed" >> "$HGTMP/diff" |
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39 done |
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40 ) |
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41 |
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42 cat "$1" > "$HGTMP/msg" |
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43 |
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44 MD5=$(which md5sum 2>/dev/null) || \ |
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45 MD5=$(which md5 2>/dev/null) |
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46 [ -x "${MD5}" ] && CHECKSUM=`${MD5} "$HGTMP/msg"` |
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47 if [ -s "$HGTMP/diff" ]; then |
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48 $EDITOR "$HGTMP/msg" "$HGTMP/diff" || exit $? |
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49 else |
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50 $EDITOR "$HGTMP/msg" || exit $? |
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51 fi |
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52 [ -x "${MD5}" ] && (echo "$CHECKSUM" | ${MD5} -c >/dev/null 2>&1 && exit 13) |
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53 |
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54 mv "$HGTMP/msg" "$1" |
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55 |
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56 exit $? |