52 lines
1.3 KiB
Markdown
52 lines
1.3 KiB
Markdown
Killing a migration from WORM to SHA256 with ^C breaks things; future attempts to do the migration fail:
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#!/bin/bash
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BASE=/tmp/migrate-bug
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set -x
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chmod -R +w $BASE
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rm -rf $BASE
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mkdir -p $BASE
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cd $BASE
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# create annex
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git init .
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git annex init
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# make a big (sparse) file and add it
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dd if=/dev/zero of=bigfile bs=1 count=0 seek=1G
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git annex add --backend WORM bigfile
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git commit -m 'added bigfile'
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# look at status
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git annex status
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# now migrate it, but kill migration during checksum
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# Simulate ^C by making a new process group and sending SIGINT
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setsid git annex migrate --backend SHA256 bigfile &
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PID=$!
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sleep 1
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kill -INT -$PID
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wait
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# look at status
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git annex status
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# this migration fails
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git annex migrate --backend SHA256 bigfile
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# but fsck says everything's OK
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git annex fsck
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The error:
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migrate bigfile
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git-annex: /tmp/migrate-bug/.git/annex/objects/K9/V1/WORM-s1073741824-m1321566308--bigfile/WORM-s1073741824-m1321566308--bigfile: createLink: already exists (File exists)
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failed
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git-annex: migrate: 1 failed
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> Fixed it to delete the stale temp file. [[done]]
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>
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> Thanks for making such clear test cases, Jim! --[[Joey]]
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