137 lines
3.4 KiB
Bash
Executable file
137 lines
3.4 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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if [ "$#" -gt 1 ]; then
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printf 'workspace-version: expected zero or one manifest path argument\n' >&2
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exit 1
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fi
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script_dir=$(CDPATH= cd "$(dirname "$0")" && pwd)
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manifest=${1-"$script_dir/../Cargo.toml"}
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if [ ! -f "$manifest" ] || [ ! -r "$manifest" ]; then
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printf 'workspace-version: cannot read manifest: %s\n' "$manifest" >&2
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exit 1
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fi
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if version=$(awk '
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function valid_core_number(value) {
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return value == "0" || value ~ /^[1-9][0-9]*$/
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}
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function valid_identifiers(value, reject_leading_zero, count, i, identifiers) {
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if (value == "") {
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return 0
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}
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count = split(value, identifiers, "[.]")
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for (i = 1; i <= count; i++) {
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if (identifiers[i] !~ /^[0-9A-Za-z-]+$/) {
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return 0
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}
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if (reject_leading_zero && identifiers[i] ~ /^[0-9]+$/ &&
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length(identifiers[i]) > 1 && substr(identifiers[i], 1, 1) == "0") {
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return 0
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}
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}
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return 1
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}
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function valid_semver(value, base, core, prerelease, build, plus, dash, count, parts) {
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base = value
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plus = index(base, "+")
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if (plus > 0) {
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build = substr(base, plus + 1)
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if (!valid_identifiers(build, 0)) {
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return 0
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}
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base = substr(base, 1, plus - 1)
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}
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dash = index(base, "-")
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if (dash > 0) {
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prerelease = substr(base, dash + 1)
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if (!valid_identifiers(prerelease, 1)) {
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return 0
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}
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core = substr(base, 1, dash - 1)
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} else {
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core = base
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}
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count = split(core, parts, "[.]")
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return count == 3 && valid_core_number(parts[1]) &&
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valid_core_number(parts[2]) && valid_core_number(parts[3])
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}
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/^[[:space:]]*\[[[:space:]]*workspace[[:space:]]*[.][[:space:]]*package[[:space:]]*\][[:space:]]*(#.*)?$/ {
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section_count++
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in_workspace_package = 1
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next
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}
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/^[[:space:]]*\[/ {
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in_workspace_package = 0
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next
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}
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in_workspace_package && /^[[:space:]]*version[[:space:]]*=/ {
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version_count++
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if ($0 !~ /^[[:space:]]*version[[:space:]]*=[[:space:]]*"[^"]*"[[:space:]]*(#.*)?$/) {
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invalid_assignment = 1
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next
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}
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value = $0
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sub(/^[^"]*"/, "", value)
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sub(/".*$/, "", value)
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workspace_version = value
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}
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END {
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if (section_count == 0) {
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exit 10
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}
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if (section_count > 1) {
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exit 11
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}
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if (version_count == 0) {
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exit 12
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}
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if (version_count > 1) {
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exit 13
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}
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if (invalid_assignment || !valid_semver(workspace_version)) {
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exit 14
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}
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print workspace_version
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}
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' < "$manifest"); then
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printf '%s\n' "$version"
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else
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status=$?
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case "$status" in
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10)
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printf 'workspace-version: missing [workspace.package] section in %s\n' "$manifest" >&2
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;;
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11)
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printf 'workspace-version: expected exactly one [workspace.package] section in %s\n' "$manifest" >&2
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;;
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12)
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printf 'workspace-version: missing version in [workspace.package] in %s\n' "$manifest" >&2
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;;
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13)
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printf 'workspace-version: expected exactly one version in [workspace.package] in %s\n' "$manifest" >&2
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;;
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14)
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printf 'workspace-version: invalid version in [workspace.package] in %s\n' "$manifest" >&2
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;;
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*)
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printf 'workspace-version: failed to parse manifest: %s\n' "$manifest" >&2
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;;
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esac
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exit 1
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fi
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