Add deadcode command

README.md

@@ -70,6 +70,7 @@ The following linting tools are included in the `go-ci-stable`,
 | [`staticcheck`](https://github.com/dominikh/go-tools)                 | `2023.1.7` (`v0.4.7`) |
 | [`golangci-lint`](https://github.com/golangci/golangci-lint)          | `v1.57.0`             |
 | [`govulncheck`](https://pkg.go.dev/golang.org/x/vuln/cmd/govulncheck) | `v1.0.4`              |
+| [`deadcode`](https://pkg.go.dev/golang.org/x/tools/cmd/deadcode)      | `v0.19.0`             |
 | [`orijtech/httperroryzer`](https://github.com/orijtech/httperroryzer) | `v0.0.1`              |
 | [`orijtech/structslop`](https://github.com/orijtech/structslop)       | `v0.0.8`              |
 | [`orijtech/tickeryzer`](https://github.com/orijtech/tickeryzer)       | `v0.0.3`              |

oldstable/combined/Dockerfile

@@ -28,6 +28,7 @@ ENV GOTOOLCHAIN="local"
 
 ENV GOLANGCI_LINT_VERSION="v1.57.0"
 ENV STATICCHECK_VERSION="v0.4.7"
+ENV DEADCODE_VERSION="v0.19.0"
 ENV GOVULNCHECK_VERSION="v1.0.4"
 ENV HTTPERRORYZER_VERSION="v0.0.1"
 ENV STRUCTSLOP_VERSION="v0.0.8"
@@ -50,6 +51,8 @@ RUN apt-get update \
     && staticcheck --version \
     && echo "Installing govulncheck@${GOVULNCHECK_VERSION}" \
     && go install golang.org/x/vuln/cmd/govulncheck@${GOVULNCHECK_VERSION} \
+    && echo "Installing deadcode@${DEADCODE_VERSION}" \
+    && go install golang.org/x/tools/cmd/deadcode@${DEADCODE_VERSION} \
     && echo "Installing golangci-lint ${GOLANGCI_LINT_VERSION}" \
     && curl -sSfLO https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \
     && sh install.sh -b "$(go env GOPATH)/bin" ${GOLANGCI_LINT_VERSION} \

stable/combined/Dockerfile

@@ -17,6 +17,7 @@ ENV GOTOOLCHAIN="local"
 
 ENV GOLANGCI_LINT_VERSION="v1.57.0"
 ENV STATICCHECK_VERSION="v0.4.7"
+ENV DEADCODE_VERSION="v0.19.0"
 ENV GOVULNCHECK_VERSION="v1.0.4"
 ENV HTTPERRORYZER_VERSION="v0.0.1"
 ENV STRUCTSLOP_VERSION="v0.0.8"
@@ -54,6 +55,8 @@ RUN echo "Installing staticcheck@${STATICCHECK_VERSION}" \
 
 RUN echo "Installing govulncheck@${GOVULNCHECK_VERSION}" \
     && go install golang.org/x/vuln/cmd/govulncheck@${GOVULNCHECK_VERSION} \
+    && echo "Installing deadcode@${DEADCODE_VERSION}" \
+    && go install golang.org/x/tools/cmd/deadcode@${DEADCODE_VERSION} \
     && echo "Installing tomll@${TOMLL_VERSION}" \
     && go install github.com/pelletier/go-toml/v2/cmd/tomll@${TOMLL_VERSION}
 
@@ -122,6 +125,7 @@ ENV GOTOOLCHAIN="local"
 
 ENV GOLANGCI_LINT_VERSION="v1.57.0"
 ENV STATICCHECK_VERSION="v0.4.7"
+ENV DEADCODE_VERSION="v0.19.0"
 ENV GOVULNCHECK_VERSION="v1.0.4"
 ENV HTTPERRORYZER_VERSION="v0.0.1"
 ENV STRUCTSLOP_VERSION="v0.0.8"
@@ -142,6 +146,7 @@ RUN apt-get update \
 COPY --from=builder /go/bin/staticcheck /usr/bin/staticcheck
 COPY --from=builder /go/bin/golangci-lint /usr/bin/golangci-lint
 COPY --from=builder /go/bin/govulncheck /usr/bin/govulncheck
+COPY --from=builder /go/bin/deadcode /usr/bin/deadcode
 COPY --from=builder /go/bin/httperroryzer /usr/bin/httperroryzer
 COPY --from=builder /go/bin/structslop /usr/bin/structslop
 COPY --from=builder /go/bin/tickeryzer /usr/bin/tickeryzer

tools/go.mod

@@ -22,6 +22,10 @@ require (
 	// tomll - provided as an optional linter
 	github.com/pelletier/go-toml/v2 v2.2.0
 
+	// deadcode - provided as an optional linter
+	// https://pkg.go.dev/golang.org/x/tools/cmd/deadcode?tab=versions
+	golang.org/x/tools v0.19.0
+
 	// govulncheck - provided as an optional vulnerability analyzer
 	// https://pkg.go.dev/golang.org/x/vuln/cmd/govulncheck?tab=versions
 	golang.org/x/vuln v1.0.4
@@ -105,8 +109,8 @@ require (
 	golang.org/x/net v0.22.0 // indirect
 	golang.org/x/sync v0.6.0 // indirect
 	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.19.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

tools/go.sum

@@ -18,12 +18,16 @@ github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5
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@@ -38,25 +42,30 @@ github.com/cyphar/filepath-securejoin v0.2.4/go.mod h1:aPGpWjXOXUn2NCNjFvBE6aRxG
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@@ -68,13 +77,18 @@ github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4er
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@@ -96,15 +110,20 @@ github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i
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@@ -144,6 +164,7 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -158,7 +179,9 @@ github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVs
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 github.com/skeema/knownhosts v1.2.1/go.mod h1:xYbVRSPxqBZFrdmDyMmsOs+uX1UZC3nTN3ThzgDxUwo=
 github.com/smartystreets/assertions v1.13.1 h1:Ef7KhSmjZcK6AVf9YbJdvPYG9avaF0ZxudX+ThRdWfU=
+github.com/smartystreets/assertions v1.13.1/go.mod h1:cXr/IwVfSo/RbCSPhoAPv73p3hlSdrBH/b3SdnW/LMY=
 github.com/smartystreets/goconvey v1.8.0 h1:Oi49ha/2MURE0WexF052Z0m+BNSGirfjg5RL+JXWq3w=
+github.com/smartystreets/goconvey v1.8.0/go.mod h1:EdX8jtrTIj26jmjCOVNMVSIYAtgexqXKHOXW2Dx9JLg=
 github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
 github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -191,6 +214,7 @@ github.com/tc-hib/go-winres v0.3.1/go.mod h1:lTPf0MW3eu6rmvMyLrPXSy6xsSz4t5dRxB7
 github.com/tc-hib/winres v0.1.6 h1:qgsYHze+BxQPEYilxIz/KCQGaClvI2+yLBAZs+3+0B8=
 github.com/tc-hib/winres v0.1.6/go.mod h1:pe6dOR40VOrGz8PkzreVKNvEKnlE8t4yR8A8naL+t7A=
 github.com/ulikunitz/xz v0.5.11 h1:kpFauv27b6ynzBNT/Xy+1k+fK4WswhN/6PN5WhFAGw8=
+github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 github.com/urfave/cli/v2 v2.25.0 h1:ykdZKuQey2zq0yin/l7JOm9Mh+pg72ngYMeB0ABn6q8=
 github.com/urfave/cli/v2 v2.25.0/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
@@ -214,6 +238,7 @@ golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU
 golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
 golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/exp v0.0.0-20240103183307-be819d1f06fc h1:ao2WRsKSzW6KuUY9IWPwWahcHCgR0s52IfwutMfEbdM=
+golang.org/x/exp v0.0.0-20240103183307-be819d1f06fc/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
 golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20210220032944-ac19c3e999fb/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.10.0 h1:gXjUUtwtx5yOE0VKWq1CH4IJAClq4UGgUA3i+rpON9M=
@@ -265,12 +290,15 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2 h1:IRJeR9r1pYWsHKTRe/IInb7lYvbBVIqOgsX/u0mbOWY=
+golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
 golang.org/x/term v0.18.0 h1:FcHjZXDMxI8mM3nwhX9HlKop4C0YQvCVCdwYl2wOtE8=
+golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -297,6 +325,7 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=

tools/tools.go

@@ -19,6 +19,7 @@ import (
 	_ "github.com/orijtech/tickeryzer"
 	_ "github.com/pelletier/go-toml/v2"
 	_ "github.com/tc-hib/go-winres"
+	_ "golang.org/x/tools/cmd/deadcode"
 	_ "golang.org/x/vuln/cmd/govulncheck"
 	_ "honnef.co/go/tools/config"
 )

unstable/combined/Dockerfile

@@ -24,6 +24,7 @@ ENV GOLANGCI_LINT_VERSION="v1.57.0"
 # the latest upstream build of the tool is installed in this image.
 ENV STATICCHECK_VERSION="v0.4.7"
 
+ENV DEADCODE_VERSION="v0.19.0"
 ENV GOVULNCHECK_VERSION="v1.0.4"
 # ENV HTTPERRORYZER_VERSION="v0.0.1"
 # ENV STRUCTSLOP_VERSION="v0.0.8"
@@ -59,7 +60,9 @@ RUN echo "Installing staticcheck@${STATICCHECK_VERSION}" \
 RUN echo "Installing govulncheck@${GOVULNCHECK_VERSION}" \
     && go install golang.org/x/vuln/cmd/govulncheck@${GOVULNCHECK_VERSION} \
     && echo "Installing tomll@${TOMLL_VERSION}" \
-    && go install github.com/pelletier/go-toml/v2/cmd/tomll@${TOMLL_VERSION}
+    && go install github.com/pelletier/go-toml/v2/cmd/tomll@${TOMLL_VERSION} \
+    && echo "Installing deadcode@${DEADCODE_VERSION}" \
+    && go install golang.org/x/tools/cmd/deadcode@${DEADCODE_VERSION}
 
 RUN echo "Installing httperroryzer from temporary fork" \
     && git clone https://github.com/atc0005/httperroryzer \
@@ -135,6 +138,7 @@ ENV GOLANGCI_LINT_VERSION="v1.57.0"
 # the latest upstream build of the tool is installed in this image.
 ENV STATICCHECK_VERSION="v0.4.7"
 
+ENV DEADCODE_VERSION="v0.19.0"
 ENV GOVULNCHECK_VERSION="v1.0.4"
 ENV HTTPERRORYZER_VERSION="v0.0.1"
 ENV STRUCTSLOP_VERSION="v0.0.8"
@@ -154,6 +158,7 @@ RUN apt-get update \
 COPY --from=builder /go/bin/staticcheck /usr/bin/staticcheck
 COPY --from=builder /go/bin/golangci-lint /usr/bin/golangci-lint
 COPY --from=builder /go/bin/govulncheck /usr/bin/govulncheck
+COPY --from=builder /go/bin/deadcode /usr/bin/deadcode
 COPY --from=builder /go/bin/httperroryzer /usr/bin/httperroryzer
 COPY --from=builder /go/bin/structslop /usr/bin/structslop
 COPY --from=builder /go/bin/tickeryzer /usr/bin/tickeryzer