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| | #!/usr/bin/env -S LC_ALL=C LANGUAGE=C awk -E
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2025 Demi Marie Obenour <demiobenour@gmail.com>
function check_status(status) {
if (status < 0) {
printf "FATAL: getline: %s\n", status > "/dev/stderr";
exit 1;
}
return status;
}
function check_close(value, status) {
status = check_status(close(value));
if (status != 0) {
printf "FATAL: command exited with status %d\n", status > "/dev/stderr";
exit status;
}
}
function shell_quote(command) {
gsub(/'/, "'\\\\&'", command);
return ("'" command "'");
}
function get(command, line, path, array_index, inode_type, mode, modes, symlink_count, symlinks, file_count, files, rc_count, rc_files, is_license, is_rc) {
file_count = 0;
symlink_count = 0;
rc_count = 0;
modes["120000"] = "symlink";
modes["040644"] = "directory";
modes["040755"] = "directory";
modes["100644"] = "regular";
modes["100755"] = "regular";
print "# SPDX-License-Identifier: CC0-1.0";
print "# SPDX-FileCopyRightText: Not Copyrightable (machine-written)";
print "# Generated by scripts/genfile.awk, DO NOT EDIT!";
while (check_status(command | getline line)) {
if (line !~ /^[0-7]{6}\t/) {
# this is a git bug
print "FATAL: git ls-files output didn't start with a valid mode" > "/dev/stderr";
exit 1;
}
path = substr(line, 8);
if (path !~ /^[ -~]+$/) {
# also a git bug
print "FATAL: git ls-files didn't quote properly" > "/dev/stderr";
exit 1;
}
if (path ~ /^\/|((^|\/)\.{0,2}($|\/))/) {
# also a git bug
printf "FATAL: git ls-files output non-canonical path '%s'\n", path > "/dev/stderr";
exit 1;
}
if (path !~ /^[[:alnum:]_.+@/-]+$/) {
printf "FATAL: filename '%s' has forbidden characters\n", path > "/dev/stderr";
exit 1;
}
mode = modes[substr(line, 1, 6)];
is_license = path ~ /\.license$/;
is_rc = path ~ /^etc\/s6-rc\//;
if (mode == "regular") {
if (is_license) {
continue;
}
if (is_rc) {
rc_count += 1;
rc_files[rc_count] = path;
} else {
file_count += 1;
files[file_count] = path;
}
continue;
}
if (mode == "symlink") {
if (is_rc) {
printf "FATAL: symlink in s6-rc-compile input: %s\n", path;
exit 1;
}
symlink_count += 1;
symlinks[symlink_count] = path;
} else if (mode != "directory") {
printf "FATAL: file %s has unknown mode %s\n", path, substr(line, 1, 6) > "/dev/stderr";
exit 1;
}
if (is_license) {
printf "FATAL: %s (type %s) ends in .license\n", path, mode > "/dev/stderr";
exit 1;
}
}
check_close(command);
printf "override FILES ::=";
for (array_index = 1; array_index <= file_count; array_index += 1) {
printf " \\\n\t%s", files[array_index];
}
printf ("\n\n" \
"# These are separate because they need to be included, but putting\n" \
"# them as make dependencies would confuse make.\n" \
"override LINKS ::=");
for (array_index = 1; array_index <= symlink_count; array_index += 1) {
printf " \\\n\t%s", symlinks[array_index];
}
printf "\n\noverride S6_RC_FILES ::=";
for (array_index = 1; array_index <= rc_count; array_index += 1) {
printf " \\\n\t%s", rc_files[array_index];
}
printf "\n"
}
BEGIN {
RS = "\n";
FS = "\t";
get("set -euo pipefail && { git -c core.quotePath=true -C " shell_quote(ARGV[1]) " ls-files '--format=%(objectmode)\t%(path)' -- .|sort -t '\t' -k 2;}");
exit 0;
}
|