diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/populate.jq | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/lib/populate.jq b/lib/populate.jq deleted file mode 100644 index d7cf964..0000000 --- a/lib/populate.jq +++ /dev/null @@ -1,137 +0,0 @@ -def default(value; f): if . == null then value else f end; -def default(value): default(value; .); - -($target_spec - | match("^(?:([^@]+)@)?([^:/]+)(?::([^/]*))?(/.*)?") - | { - user: .captures[0].string | default("root"), - host: .captures[1].string, - port: .captures[2].string | default(22; - if test("^[0-9]+$") then fromjson else - error(@json "bad target port: \(.)") - end), - path: .captures[3].string | default("/var/src"), - } -) - as $target | - -(($target.host == $origin_host) and ($target.user == $origin_user)) - as $is_local | - - -to_entries | -map(select(.value.type == "file")) as $file_sources | -map(select(.value.type == "git")) as $git_sources | -map(select(.value.type == "symlink")) as $symlink_sources | - -($file_sources + $symlink_sources) as $rsync_sources | - - -# Safeguard to prevent clobbering of misspelled targets. -# This script must run at target first. -def checktarget_script: - @sh "if ! test -f \($target.path)/.populate; then", - @sh " echo error: missing sentinel file: \($target.host):\($target.path)/.populate >&2", - @sh " exit 1", - @sh "fi"; - - -def forcetarget_script: - @sh "mkdir -vp \($target.path)", - @sh "touch \($target.path)/.populate"; - - -def git_script: - @sh "fetch_git(){(", - #@sh " export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt", - - @sh " dst_dir=\($target.path)/$1", - @sh " src_url=$2", - @sh " src_ref=$3", - - @sh " if ! test -e \"$dst_dir\"; then", - @sh " git clone \"$src_url\" \"$dst_dir\"", - @sh " fi", - - @sh " cd \"$dst_dir\"", - - @sh " if ! url=$(git config remote.origin.url); then", - @sh " git remote add origin \"$src_url\"", - @sh " elif test \"$url\" != \"$src_url\"; then", - @sh " git remote set-url origin \"$src_url\"", - @sh " fi", - - # TODO resolve src_ref to commit hash", - @sh " hash=$src_ref", - - @sh " if ! test \"$(git log --format=%H -1)\" = \"$hash\"; then", - @sh " if ! git log -1 \"$hash\" >/dev/null 2>&1; then", - @sh " git fetch origin", - @sh " fi", - @sh " git checkout \"$hash\" -- \"$dst_dir\"", - @sh " git checkout -f \"$hash\"", - @sh " fi", - - @sh " git clean -dxf", - @sh ")}", - ($git_sources[] | - @sh "echo fetch_git \(.key) \(.value.git.url) \(.value.git.ref)", - @sh "fetch_git \(.key) \(.value.git.url) \(.value.git.ref)"); - - -def rsync_script: - @sh "srcdir=$(mktemp -dt populate.XXXXXXXX)", - @sh "chmod 0755 \"$srcdir\"", - @sh "trap cleanup EXIT", - @sh "cleanup() {", - @sh " (set +f; rm -f \"$srcdir\"/*)", - @sh " rmdir \"$srcdir\"", - @sh "}", - - ($symlink_sources[] | - @sh "ln -s \(.value.symlink.target) \"$srcdir\"/\(.key)"), - - @sh "proot \\", - ($file_sources[] | - @sh " -b \(.value.file.path):\"$srcdir\"/\(.key) \\"), - @sh " rsync \\", - @sh " -vFrlptD \\", - @sh " --delete-excluded \\", - @sh " -f \("P /*", ($rsync_sources[] | "R /\(.key)")) \\", - ($file_sources[] | .key as $key | .value.file.exclude | select(. != null)[] | - @sh " -f \("- /\($key)/\(.)") \\"), - @sh " \"$srcdir\"/ \\", - (if $is_local then - @sh " \($target.path)" - else - # ControlPersist=no so we reuse existing control sockets but if we - # create a new one, then remove it immediately after we are done so - # this script does not hang. - @sh " -e \("\($ssh_cmd) -o ControlPersist=no -p \($target.port)") \\", - @sh " \($target.user)@\($target.host):\($target.path)" - end); - - -def compile: - [ - @sh "set -euf", - .[] - ] - | map(select(. != null)) | join("\n"); - - -def ssh_target: - @sh "echo \(compile) \\", - @sh " | \($ssh_cmd) \($target.user)@\($target.host) -p \($target.port) \\", - @sh " -T \("nix-shell -p git --run /bin/sh")"; - - -[ - (if $use_force then forcetarget_script else checktarget_script end), - git_script -] -| (if $is_local then . else [ssh_target] end), -[ - rsync_script -] -| compile |