upstream/mercurial-mirror Files · contrib/phab-refresh-stack.sh

revlog: add a small cache of unfiltered chunk...

revlog: add a small cache of unfiltered chunk This can provides a massive boost to the reading of multiple revision and the computation of a valid delta chain. This greatly help operation like `hg log --patch`, delta computation (helping pull/unbundle), linkrev adjustment (helping copy tracing). A first round of benchmark for `hg log --patch --limit 1000` shows improvement in the 10-20% range on "small" repository like pypy or mercurial and large improvements (about 33%) for more complex ones like netbeans and mozilla's. These speeds up are consistent with the improvement to `hg pull` (from a server sending poor deltas) I saw benchmarking this last year. Further benchmark will be run during the freeze. I added some configuration in the experimental space to be able to further test the effect of various tuning for now. This feature should fit well in the "usage/resource profile" configuration that we should land next cycle. When it does not provides a benefit the overhead of the cache seem to be around 2%, a small price for the big improvement. In addition I believe we could shave most of this overhead with a more efficent lru implementation.

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      #!/bin/bash

      set -eu

      if [[ "$PHABRICATOR_TOKEN" == "NO-PHAB" ]]; then

          echo 'Skipping Phabricator Step' >&2

          exit 0

      fi

      revision_in_stack=`hg log \

          --rev '.#stack and ::. and topic()' \

          -T '\nONE-REV\n' \

          | grep 'ONE-REV' | wc -l`

      revision_on_phab=`hg log \

          --rev '.#stack and ::. and topic() and desc("re:\nDifferential Revision: [^\n]+D\d+$")'\

          -T '\nONE-REV\n' \

          | grep 'ONE-REV' | wc -l`

      if [[ $revision_in_stack -eq 0 ]]; then

          echo "stack is empty" >&2

          exit 0

      fi

      if [[ $revision_on_phab -eq 0 ]]; then

          echo "no tracked diff in this stack" >&2

          exit 0

      fi

      if [[ $revision_on_phab -lt $revision_in_stack ]]; then

          echo "not all stack changesets (${revision_in_stack}) have matching Phabricator Diff (${revision_on_phab})" >&2

          exit 2

      fi

      if [[ "$PHABRICATOR_TOKEN" == "" ]]; then

          echo 'missing $PHABRICATOR_TOKEN variable' >&2

          echo '(use PHABRICATOR_TOKEN="NO-PHAB" to disable this step)' >&2

          exit 2

      fi

      hg \

      --config extensions.phabricator= \

      --config phabricator.url=https://phab.mercurial-scm.org/ \

      --config phabricator.callsign=HG \

      --config auth.phabricator.schemes=https \

      --config auth.phabricator.prefix=phab.mercurial-scm.org \

      --config auth.phabricator.phabtoken=$PHABRICATOR_TOKEN \

      phabsend --rev '.#stack and ::. and topic()' \

      "$@"

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				#!/bin/bash
				set -eu

				if [[ "$PHABRICATOR_TOKEN" == "NO-PHAB" ]]; then
				echo 'Skipping Phabricator Step' >&2
				exit 0
				fi

				revision_in_stack=`hg log \
				--rev '.#stack and ::. and topic()' \
				-T '\nONE-REV\n' \
				\| grep 'ONE-REV' \| wc -l`
				revision_on_phab=`hg log \
				--rev '.#stack and ::. and topic() and desc("re:\nDifferential Revision: [^\n]+D\d+$")'\
				-T '\nONE-REV\n' \
				\| grep 'ONE-REV' \| wc -l`

				if [[ $revision_in_stack -eq 0 ]]; then
				echo "stack is empty" >&2
				exit 0
				fi

				if [[ $revision_on_phab -eq 0 ]]; then
				echo "no tracked diff in this stack" >&2
				exit 0
				fi

				if [[ $revision_on_phab -lt $revision_in_stack ]]; then
				echo "not all stack changesets (${revision_in_stack}) have matching Phabricator Diff (${revision_on_phab})" >&2
				exit 2
				fi

				if [[ "$PHABRICATOR_TOKEN" == "" ]]; then
				echo 'missing $PHABRICATOR_TOKEN variable' >&2
				echo '(use PHABRICATOR_TOKEN="NO-PHAB" to disable this step)' >&2
				exit 2
				fi

				hg \
				--config extensions.phabricator= \
				--config phabricator.url=https://phab.mercurial-scm.org/ \
				--config phabricator.callsign=HG \
				--config auth.phabricator.schemes=https \
				--config auth.phabricator.prefix=phab.mercurial-scm.org \
				--config auth.phabricator.phabtoken=$PHABRICATOR_TOKEN \
				phabsend --rev '.#stack and ::. and topic()' \
				"$@"