# This test checks that VCS information is stamped into Go binaries by default,
# controlled with -buildvcs. This test focuses on Mercurial specifics.
# The Git test covers common functionality.

[!exec:hg] skip
[short] skip
env GOBIN=$WORK/gopath/bin
env oldpath=$PATH
cd repo/a

# If there's no local repository, there's no VCS info.
go install
go version -m $GOBIN/a$GOEXE
! stdout hgrevision
rm $GOBIN/a$GOEXE

# If there is a repository, but it can't be used for some reason,
# there should be an error. It should hint about -buildvcs=false.
cd ..
mkdir .hg
env PATH=$WORK${/}fakebin${:}$oldpath
chmod 0755 $WORK/fakebin/hg
! exec hg help
cd a
! go install
stderr '^error obtaining VCS status: exit status 1\n\tUse -buildvcs=false to disable VCS stamping.$'
rm $GOBIN/a$GOEXE
cd ..
env PATH=$oldpath
rm .hg

# If there is an empty repository in a parent directory, only "uncommitted" is tagged.
exec hg init
cd a
go install
go version -m $GOBIN/a$GOEXE
! stdout vcs.revision
! stdout vcs.time
stdout '^\tbuild\tvcs.modified=true$'
cd ..

# Revision and commit time are tagged for repositories with commits.
exec hg add a README
exec hg commit -m 'initial commit'
cd a
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.revision='
stdout '^\tbuild\tvcs.time='
stdout '^\tbuild\tvcs.modified=false$'
rm $GOBIN/a$GOEXE

# Building with -buildvcs=false suppresses the info.
go install -buildvcs=false
go version -m $GOBIN/a$GOEXE
! stdout hgrevision
rm $GOBIN/a$GOEXE

# An untracked file is shown as uncommitted, even if it isn't part of the build.
cp ../../outside/empty.txt .
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
rm empty.txt
rm $GOBIN/a$GOEXE

# An edited file is shown as uncommitted, even if it isn't part of the build.
cp ../../outside/empty.txt ../README
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
exec hg revert ../README
rm $GOBIN/a$GOEXE

-- $WORK/fakebin/hg --
#!/bin/sh
exit 1
-- $WORK/fakebin/hg.bat --
exit 1
-- repo/README --
Far out in the uncharted backwaters of the unfashionable end of the western
spiral arm of the Galaxy lies a small, unregarded yellow sun.
-- repo/a/go.mod --
module example.com/a

go 1.18
-- repo/a/a.go --
package main

func main() {}
-- outside/empty.txt --