Ophestra
a9def08533
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This prevents xdg-dbus-proxy from running the priv process out of memory. Signed-off-by: Ophestra <cat@gensokyo.uk>
280 lines
15 KiB
Go
280 lines
15 KiB
Go
package system
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import (
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"reflect"
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"slices"
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"strings"
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"syscall"
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"testing"
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)
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func TestLinePrefixWriter(t *testing.T) {
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testCases := []struct {
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name string
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prefix string
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f func(w func(s string))
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wantErr []error
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wantPt []string
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want []string
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wantExt []string
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wantBuf string
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}{
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{"nop", "(nop) ", func(func(string)) {}, nil, nil, nil, nil, ""},
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{"partial", "(break) ", func(w func(string)) {
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w("C-65533: -> ")
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}, nil, nil, nil, nil,
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"C-65533: -> "},
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{"break", "(break) ", func(w func(string)) {
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w("C-65533: -> ")
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w("org.freedesktop.DBus fake ListNames\n")
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}, nil, nil, []string{
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"C-65533: -> org.freedesktop.DBus fake ListNames",
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}, nil, ""},
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{"break pt", "(break pt) ", func(w func(string)) {
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w("init: ")
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w("received setup parameters\n")
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}, nil, []string{
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"init: received setup parameters",
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}, nil, nil, ""},
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{"threshold", "(threshold) ", func(w func(s string)) {
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w(string(make([]byte, lpwSizeThreshold)))
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w("\n")
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}, []error{nil, syscall.ENOMEM}, nil, nil, nil,
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string(make([]byte, lpwSizeThreshold))},
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{"threshold multi", "(threshold multi) ", func(w func(s string)) {
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w(":3\n")
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w(string(make([]byte, lpwSizeThreshold-3)))
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w("\n")
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}, []error{nil, nil, syscall.ENOMEM}, nil, []string{
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":3",
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}, nil, string(make([]byte, lpwSizeThreshold-3))},
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{"threshold multi partial", "(threshold multi partial) ", func(w func(s string)) {
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w(":3\n")
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w(string(make([]byte, lpwSizeThreshold-2)))
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}, []error{nil, syscall.ENOMEM}, nil, []string{
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":3",
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}, []string{
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"dropped 16777215 bytes of output",
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}, string(make([]byte, lpwSizeThreshold-2))},
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{"threshold exact", "(threshold exact) ", func(w func(s string)) {
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w(string(make([]byte, lpwSizeThreshold-1)))
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w("\n")
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}, nil, nil, []string{
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string(make([]byte, lpwSizeThreshold-1)),
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}, nil, ""},
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{"sample", "(dbus) ", func(w func(s string)) {
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w("init: received setup parameters\n")
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w(`init: mounting "/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" on "/sysroot/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" on "/sysroot/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" on "/sysroot/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" on "/sysroot/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" on "/sysroot/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" on "/sysroot/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x4005` + "\n")
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w(`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x4005` + "\n")
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w(`init: mounting "/run/user/1000" flags 0x0` + "\n")
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w(`init: resolved "/host/run/user/1000" on "/sysroot/run/user/1000" flags 0x4005` + "\n")
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w(`init: mounting "/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x2` + "\n")
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w(`init: resolved "/host/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" on "/sysroot/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x4004` + "\n")
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w(`init: mounting "/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x0` + "\n")
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w(`init: resolved "/host/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" on "/sysroot/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x4005` + "\n")
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w("init: resolving presets 0xf\n")
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w("init: 68 filter rules loaded\n")
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w("init: starting initial program /nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin/xdg-dbus-proxy\n")
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w("C1: -> org.freedesktop.DBus call org.freedesktop.DBus.Hello at /org/freedesktop/DBus\n")
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w("C-65536: -> org.freedesktop.DBus fake wildcarded AddMatch for org.freedesktop.portal\n")
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w("C-65535: -> org.freedesktop.DBus fake AddMatch for org.freedesktop.Notifications\n")
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w("C-65534: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.Notifications\n")
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w("C-65533: -> org.freedesktop.DBus fake ListNames\n")
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w("B1: <- org.freedesktop.DBus return from C1\n")
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w("B2: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameAcquired at /org/freedesktop/DBus\n")
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w("B3: <- org.freedesktop.DBus return from C-65536\n")
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w("*SKIPPED*\n")
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w("B4: <- org.freedesktop.DBus return from C-65535\n")
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w("*SKIPPED*\n")
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w("B5: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C-65534\n")
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w("*SKIPPED*\n")
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w("B6: <- org.freedesktop.DBus return from C-65533\n")
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w("C-65532: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.DBus\n")
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w("*SKIPPED*\n")
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w("B7: <- org.freedesktop.DBus return from C-65532\n")
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w("*SKIPPED*\n")
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w("C2: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus\n")
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w("C3: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus\n")
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w("C4: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus\n")
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w("C5: -> org.freedesktop.DBus call org.freedesktop.DBus.StartServiceByName at /org/freedesktop/DBus\n")
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w("B8: <- org.freedesktop.DBus return from C2\n")
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w("B9: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C3\n")
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w("B10: <- org.freedesktop.DBus return from C4\n")
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w("B12: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameOwnerChanged at /org/freedesktop/DBus\n")
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w("B11: <- org.freedesktop.DBus return from C5\n")
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w("C6: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus\n")
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w("B13: <- org.freedesktop.DBus return from C6\n")
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w("C7: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications\n")
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w("B4: <- :1.4 return from C7\n")
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w("C8: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications\n")
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w("B5: <- :1.4 return from C8\n")
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w("C9: -> :1.4 call org.freedesktop.Notifications.Notify at /org/freedesktop/Notifications\n")
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w("B6: <- :1.4 return from C9\n")
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w("C10: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus\n")
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w("C11: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus\n")
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w("B14: <- org.freedesktop.DBus return from C10\n")
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w("B15: <- org.freedesktop.DBus return from C11\n")
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w("init: initial process exited with code 0\n")
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}, nil, []string{
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"init: received setup parameters",
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`init: mounting "/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x0`,
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`init: resolved "/host/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" on "/sysroot/nix/store/5gml2l2cj28yvyfyzblzjy1laqpxmyzd-libselinux-3.8.1/lib" flags 0x4005`,
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`init: mounting "/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x0`,
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`init: resolved "/host/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" on "/sysroot/nix/store/bcs094l67dlbqf7idxxbljp293zms9mh-util-linux-minimal-2.41-lib/lib" flags 0x4005`,
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`init: mounting "/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x0`,
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`init: resolved "/host/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" on "/sysroot/nix/store/jl19fdc7gdxqz9a1s368r9d15vpirnqy-zlib-1.3.1/lib" flags 0x4005`,
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`init: mounting "/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x0`,
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`init: resolved "/host/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" on "/sysroot/nix/store/rnn29mhynsa4ncmk0fkcrdr29n0j20l4-libffi-3.4.8/lib" flags 0x4005`,
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`init: mounting "/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x0`,
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`init: resolved "/host/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" on "/sysroot/nix/store/vvp8hlss3d5q6hn0cifq04jrpnp6bini-pcre2-10.44/lib" flags 0x4005`,
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`init: mounting "/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x0`,
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`init: resolved "/host/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" on "/sysroot/nix/store/y3nxdc2x8hwivppzgx5hkrhacsh87l21-glib-2.84.3/lib" flags 0x4005`,
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`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x0`,
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`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" flags 0x4005`,
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`init: mounting "/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x0`,
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`init: resolved "/host/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib" on "/sysroot/nix/store/zdpby3l6azi78sl83cpad2qjpfj25aqx-glibc-2.40-66/lib64" flags 0x4005`,
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`init: mounting "/run/user/1000" flags 0x0`,
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`init: resolved "/host/run/user/1000" on "/sysroot/run/user/1000" flags 0x4005`,
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`init: mounting "/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x2`,
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`init: resolved "/host/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" on "/sysroot/tmp/hakurei.0/99dd71ee2146369514e0d10783368f8f" flags 0x4004`,
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`init: mounting "/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x0`,
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`init: resolved "/host/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" on "/sysroot/nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin" flags 0x4005`,
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"init: resolving presets 0xf",
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"init: 68 filter rules loaded",
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"init: starting initial program /nix/store/d2divmq2d897amikcwpdx7zrbpddxxcl-xdg-dbus-proxy-0.1.6/bin/xdg-dbus-proxy",
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"init: initial process exited with code 0",
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}, []string{
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"C1: -> org.freedesktop.DBus call org.freedesktop.DBus.Hello at /org/freedesktop/DBus",
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"C-65536: -> org.freedesktop.DBus fake wildcarded AddMatch for org.freedesktop.portal",
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"C-65535: -> org.freedesktop.DBus fake AddMatch for org.freedesktop.Notifications",
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"C-65534: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.Notifications",
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"C-65533: -> org.freedesktop.DBus fake ListNames",
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"B1: <- org.freedesktop.DBus return from C1",
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"B2: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameAcquired at /org/freedesktop/DBus",
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"B3: <- org.freedesktop.DBus return from C-65536",
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"*SKIPPED*",
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"B4: <- org.freedesktop.DBus return from C-65535",
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"*SKIPPED*",
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"B5: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C-65534",
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"*SKIPPED*",
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"B6: <- org.freedesktop.DBus return from C-65533",
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"C-65532: -> org.freedesktop.DBus fake GetNameOwner for org.freedesktop.DBus",
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"*SKIPPED*",
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"B7: <- org.freedesktop.DBus return from C-65532",
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"*SKIPPED*",
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"C2: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus",
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"C3: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus",
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"C4: -> org.freedesktop.DBus call org.freedesktop.DBus.AddMatch at /org/freedesktop/DBus",
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"C5: -> org.freedesktop.DBus call org.freedesktop.DBus.StartServiceByName at /org/freedesktop/DBus",
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"B8: <- org.freedesktop.DBus return from C2",
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"B9: <- org.freedesktop.DBus return error org.freedesktop.DBus.Error.NameHasNoOwner from C3",
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"B10: <- org.freedesktop.DBus return from C4",
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"B12: <- org.freedesktop.DBus signal org.freedesktop.DBus.NameOwnerChanged at /org/freedesktop/DBus",
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"B11: <- org.freedesktop.DBus return from C5",
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"C6: -> org.freedesktop.DBus call org.freedesktop.DBus.GetNameOwner at /org/freedesktop/DBus",
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"B13: <- org.freedesktop.DBus return from C6",
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"C7: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications",
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"B4: <- :1.4 return from C7",
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"C8: -> :1.4 call org.freedesktop.Notifications.GetServerInformation at /org/freedesktop/Notifications",
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"B5: <- :1.4 return from C8",
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"C9: -> :1.4 call org.freedesktop.Notifications.Notify at /org/freedesktop/Notifications",
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"B6: <- :1.4 return from C9",
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"C10: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus",
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"C11: -> org.freedesktop.DBus call org.freedesktop.DBus.RemoveMatch at /org/freedesktop/DBus",
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"B14: <- org.freedesktop.DBus return from C10",
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"B15: <- org.freedesktop.DBus return from C11",
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}, nil, ""},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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gotPt := make([]string, 0, len(tc.wantPt))
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out := &linePrefixWriter{
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prefix: tc.prefix,
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println: func(v ...any) {
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if len(v) != 1 {
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t.Fatalf("invalid call to println: %#v", v)
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}
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gotPt = append(gotPt, v[0].(string))
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},
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buf: new(strings.Builder),
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}
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var pos int
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tc.f(func(s string) {
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if _, err := out.Write([]byte(s)); err != nil {
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if tc.wantErr != nil {
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if !reflect.DeepEqual(err, tc.wantErr[pos]) {
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t.Fatalf("Write: error = %v, want %v", err, tc.wantErr[pos])
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}
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} else {
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t.Fatalf("Write: unexpected error: %v", err)
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return
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}
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}
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pos++
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})
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if !slices.Equal(out.msg, tc.want) {
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t.Errorf("msg: %#v, want %#v", out.msg, tc.want)
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}
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if out.buf.String() != tc.wantBuf {
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|
t.Errorf("buf: %q, want %q", out.buf, tc.wantBuf)
|
|
}
|
|
|
|
wantPt := make([]string, len(tc.wantPt))
|
|
for i, m := range tc.wantPt {
|
|
wantPt[i] = tc.prefix + m
|
|
}
|
|
if !slices.Equal(gotPt, wantPt) {
|
|
t.Errorf("passthrough: %#v, want %#v", gotPt, wantPt)
|
|
}
|
|
|
|
wantDump := make([]string, len(tc.want)+len(tc.wantExt))
|
|
for i, m := range tc.want {
|
|
wantDump[i] = tc.prefix + m
|
|
}
|
|
for i, m := range tc.wantExt {
|
|
wantDump[len(tc.want)+i] = tc.prefix + m
|
|
}
|
|
t.Run("dump", func(t *testing.T) {
|
|
got := make([]string, 0, len(wantDump))
|
|
out.println = func(v ...any) {
|
|
if len(v) != 1 {
|
|
t.Fatalf("Dump: invalid call to println: %#v", v)
|
|
}
|
|
got = append(got, v[0].(string))
|
|
}
|
|
out.Dump()
|
|
|
|
if !slices.Equal(got, wantDump) {
|
|
t.Errorf("Dump: %#v, want %#v", got, wantDump)
|
|
}
|
|
})
|
|
})
|
|
}
|
|
}
|