76 lines
3.0 KiB
Bash
Executable File
76 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# check that go lint passes or doesn't get worse by some threshold
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echo running "$0"
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ORIGPWD=`pwd`
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#ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd )" # dir!
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ROOT=$(dirname "${BASH_SOURCE}")/..
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cd "${ROOT}"
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. test/util.sh
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# TODO: replace with gometalinter instead of plain golint
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# TODO: output a diff of what has changed in the golint output
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# FIXME: test a range of commits, since only the last patch is checked here
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PREVIOUS='HEAD^'
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CURRENT='HEAD'
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THRESHOLD=1 # percent problems per new LOC
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# if this branch has more than one commit as compared to master, diff to that
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# note: this is a cheap way to avoid doing a fancy succession of golint's...
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HACK=''
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COMMITS="`git rev-list --count $CURRENT ^master`" # commit delta to master
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# avoid: bad revision '^master' on travis for unknown reason :(
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if [ "$COMMITS" != "" ] && [ "$COMMITS" -gt "1" ]; then
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PREVIOUS='master'
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HACK="yes"
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fi
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# find all go files, excluding temporary directories and generated files
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LINT=$(find * -maxdepth 9 -iname '*.go' -not -path 'old/*' -not -path 'tmp/*' -not -path 'lang/parser/y.go' -not -path 'lang/parser/lexer.nn.go' -not -path 'lang/interpolate/parse.generated.go' -not -path 'vendor/*' -exec golint {} \;) # current golint output
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COUNT=`echo -e "$LINT" | wc -l` # number of golint problems in current branch
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[ "$LINT" = "" ] && echo PASS && exit # everything is "perfect"
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echo "$LINT" # display the issues
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T=`$mktemp --tmpdir -d tmp.X'X'X` # add quotes to avoid matching three X's
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[ "$T" = "" ] && fail_test "Could not create tmpdir"
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cd $T || fail_test "Could not change into tmpdir $T"
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git clone --recursive "${ROOT}" 2>/dev/null # make a copy
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cd "`basename ${ROOT}`" >/dev/null || fail_test "Could not determine basename for the repo root '$ROOT'"
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if [ "$HACK" != "" ]; then
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# ensure master branch really exists when cloning from a branched repo!
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git checkout master &>/dev/null && git checkout - &>/dev/null
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fi
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DIFF1=0
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NUMSTAT1=`git diff "$PREVIOUS" "$CURRENT" --numstat` # numstat diff since previous commit
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while read -r line; do
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add=`echo "$line" | cut -f1`
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# TODO: should we only count added lines, or count the difference?
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sum="$add"
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#del=`echo "$line" | cut -f2`
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#sum=`expr $add - $del`
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DIFF1=`expr $DIFF1 + $sum`
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done <<< "$NUMSTAT1" # three < is the secret to putting a variable into read
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git checkout "$PREVIOUS" &>/dev/null # previous commit
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LINT1=$(find * -maxdepth 9 -iname '*.go' -not -path 'old/*' -not -path 'tmp/*' -not -path 'lang/parser/y.go' -not -path 'lang/parser/lexer.nn.go' -not -path 'vendor/*' -exec golint {} \;)
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COUNT1=`echo -e "$LINT1" | wc -l` # number of golint problems in older branch
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# clean up
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cd "$ORIGPWD" >/dev/null
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rm -rf "$T"
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DELTA=$(printf "%.0f\n" `echo - | awk "{ print (($COUNT - $COUNT1) / $DIFF1) * 100 }"`)
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echo "Lines of code: $DIFF1"
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echo "Prev. # of issues: $COUNT1"
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echo "Curr. # of issues: $COUNT"
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echo "Issue count delta is: $DELTA %"
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if [ "$DELTA" -gt "$THRESHOLD" ]; then
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echo "Maximum threshold is: $THRESHOLD %"
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fail_test "`golint` - FAILED"
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fi
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echo 'PASS'
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