94 lines
2.8 KiB
Fish
94 lines
2.8 KiB
Fish
if test (count $argv) -lt 1; or test (count $argv) -gt 2
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echo "usage: deploy-to <host> [branch]" >&2
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return 2
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end
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set host $argv[1]
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set branch $argv[2]
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set branch_source explicit
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if test -z "$branch"
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set branch_source current
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set branch (git branch --show-current)
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end
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git rev-parse --show-toplevel >/dev/null 2>&1
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or begin
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echo "deploy-to: run this from a git checkout" >&2
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return 2
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end
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set untracked_lines (git status --porcelain --untracked-files=normal | string match -r '^\?\? ')
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if test (count $untracked_lines) -gt 0
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echo "deploy-to: refusing to deploy untracked files" >&2
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echo "deploy-to: git add new files that Nix must see, or remove them" >&2
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return 1
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end
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git fetch origin
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or return $status
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if test -z "$branch"; or not git rev-parse --verify --quiet refs/remotes/origin/$branch >/dev/null
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if test "$branch_source" = explicit
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echo "deploy-to: origin/$branch does not exist" >&2
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return 1
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end
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set branch_source upstream
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set upstream_ref (git rev-parse --abbrev-ref --symbolic-full-name '@{upstream}' 2>/dev/null)
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set branch (string replace -r '^origin/' '' -- $upstream_ref)
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end
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if test -z "$branch"; or not git rev-parse --verify --quiet refs/remotes/origin/$branch >/dev/null
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set branch_source default
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set origin_head (git symbolic-ref --quiet --short refs/remotes/origin/HEAD 2>/dev/null)
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set branch (string replace -r '^origin/' '' -- $origin_head)
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end
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if test -z "$branch"
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echo "deploy-to: could not determine a deploy branch" >&2
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return 2
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end
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set remote_ref refs/remotes/origin/$branch
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git rev-parse --verify --quiet $remote_ref >/dev/null
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or begin
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echo "deploy-to: origin/$branch does not exist" >&2
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return 1
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end
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set has_local_changes false
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if not git diff --quiet $remote_ref --
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set has_local_changes true
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end
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set escaped_branch (string escape -- $branch)
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set escaped_host (string escape -- $host)
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set remote_command "cd ~/dev && git fetch origin && git switch -- $escaped_branch && git reset --hard origin/$escaped_branch && git clean -fd"
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set patch_file ""
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set remote_patch_file ""
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if test "$has_local_changes" = true
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set patch_file (mktemp)
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set remote_patch_file "/tmp/deploy-to-$host.patch"
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git diff --binary $remote_ref -- >$patch_file
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or begin
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rm -f $patch_file
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return $status
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end
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scp $patch_file $host:$remote_patch_file
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set scp_status $status
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rm -f $patch_file
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if test $scp_status -ne 0
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return $scp_status
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end
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set escaped_remote_patch_file (string escape -- $remote_patch_file)
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set remote_command "$remote_command && git apply --index $escaped_remote_patch_file && rm -f $escaped_remote_patch_file"
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end
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set remote_command "$remote_command && sudo nixos-rebuild switch --flake .#$escaped_host --print-build-logs"
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ssh -t $host $remote_command
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