mirror of
https://github.com/vbatts/go-mtree.git
synced 2025-09-13 22:03:19 +00:00
604ab42863
Rather than parsing the value as a float and then truncating it, just parse it as an integer in the first place (this also adds some validation that we are parsing a reasonable-looking value). While we're at it, add some integration tests for this code to make sure this quite complicated special-case behaviour doesn't regress. Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
96 lines
3.9 KiB
Bash
96 lines
3.9 KiB
Bash
#!/bin/bash
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set -ex
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name=$(basename $0)
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root="$(dirname $(dirname $(dirname $0)))"
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gomtree=$(go run ${root}/test/realpath/main.go ${root}/gomtree)
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t=$(mktemp -d /tmp/go-mtree.XXXXXX)
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echo "[${name}] Running in ${t}"
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## Make sure that comparing manifests with tar_time and time are correctly
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## truncated.
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pushd ${root}
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mkdir -p ${t}/root
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date="2025-09-05T13:05:10" # POSIX format for "touch -d".
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echo "less than .5" >${t}/root/lowerhalf
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touch -d "$date.1000" ${t}/root/lowerhalf
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echo "more than .5" >${t}/root/upperhalf
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touch -d "$date.8000" ${t}/root/upperhalf
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echo "no subsecond" >${t}/root/tartime
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touch -d "$date.0000" ${t}/root/tartime
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keywords=type,uid,gid,nlink,link,mode,flags,xattr,size,sha256
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# Generate regular manifests with time and tar_time.
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${gomtree} -c -k ${keywords},time -p ${t}/root -f ${t}/time.mtree
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${gomtree} -c -k ${keywords},tar_time -p ${t}/root -f ${t}/tartime.mtree
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# Make sure that tar_time truncates the value.
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unix="$(date -d ${date} +%s)"
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grep -q "lowerhalf.*tar_time=$unix.000000000" ${t}/tartime.mtree
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grep -q "upperhalf.*tar_time=$unix.000000000" ${t}/tartime.mtree
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grep -q "tartime.*tar_time=$unix.000000000" ${t}/tartime.mtree
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# Validation with both manifests should still succeed.
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${gomtree} validate -p ${t}/root -f ${t}/time.mtree
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${gomtree} validate -p ${t}/root -f ${t}/tartime.mtree
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# Manifest comparison should also succeed.
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${gomtree} validate -f ${t}/tartime.mtree -f ${t}/time.mtree
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${gomtree} validate -f ${t}/time.mtree -f ${t}/tartime.mtree
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# Truncate the on-disk timestamps manually.
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touch -d "$date.0000" ${t}/root/lowerhalf
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touch -d "$date.0000" ${t}/root/upperhalf
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touch -d "$date.0000" ${t}/root/tartime
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# Only the tar_time manifest should succeed.
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(! ${gomtree} validate -p ${t}/root -f ${t}/time.mtree)
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${gomtree} validate -p ${t}/root -f ${t}/tartime.mtree
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${gomtree} validate -k ${keywords},time -p ${t}/root -f ${t}/tartime.mtree
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# ... unless you force the usage of tar_time.
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${gomtree} validate -k ${keywords},tar_time -p ${t}/root -f ${t}/time.mtree
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# The same goes for if you generate the manifests and compare them instead.
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${gomtree} -c -k ${keywords},time -p ${t}/root -f ${t}/time-trunc.mtree
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${gomtree} -c -k ${keywords},tar_time -p ${t}/root -f ${t}/tartime-trunc.mtree
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# Comparing time with time should fail ...
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(! ${gomtree} validate -f ${t}/time.mtree -f ${t}/time-trunc.mtree)
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(! ${gomtree} validate -f ${t}/time-trunc.mtree -f ${t}/time.mtree)
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# ... tar_time with tar_time should succeed ...
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${gomtree} validate -f ${t}/tartime.mtree -f ${t}/tartime-trunc.mtree
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${gomtree} validate -f ${t}/tartime-trunc.mtree -f ${t}/tartime.mtree
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# ... old tar_time with new time should succeed ...
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${gomtree} validate -f ${t}/tartime.mtree -f ${t}/time-trunc.mtree
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${gomtree} validate -f ${t}/time-trunc.mtree -f ${t}/tartime.mtree
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# ... and new tar_time against old time should succeed.
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${gomtree} validate -f ${t}/tartime-trunc.mtree -f ${t}/time.mtree
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${gomtree} validate -f ${t}/time.mtree -f ${t}/tartime-trunc.mtree
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# Change the timestamp entirely.
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touch -d "1997-03-25T13:40:00" ${t}/root/lowerhalf
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touch -d "1997-03-25T13:40:00" ${t}/root/upperhalf
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touch -d "1997-03-25T13:40:00" ${t}/root/tartime
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# Now all validations should fail.
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(! ${gomtree} validate -p ${t}/root -f ${t}/time.mtree)
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(! ${gomtree} validate -p ${t}/root -f ${t}/tartime.mtree)
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(! ${gomtree} validate -k ${keywords},tar_time -p ${t}/root -f ${t}/time.mtree)
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(! ${gomtree} validate -k ${keywords},time -p ${t}/root -f ${t}/tartime.mtree)
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# Ditto for generating the manifests and comparing them.
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${gomtree} -c -k ${keywords},time -p ${t}/root -f ${t}/time-change.mtree
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${gomtree} -c -k ${keywords},tar_time -p ${t}/root -f ${t}/tartime-change.mtree
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# Try all combinations.
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lefts=( ${t}/{tar,}time{,-trunc}.mtree )
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rights=( ${t}/{tar,}time-change.mtree )
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for left in "${lefts[@]}"; do
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for right in "${rights[@]}"; do
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(! ${gomtree} validate -f ${left} -f ${right})
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(! ${gomtree} validate -f ${right} -f ${left})
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done
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done
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