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xburst-tools/debian/changelog.upstream.awk
Xiangfu Liu 7b710f3e08 for misunderstand the debian rules. I create a [debian] branch for debian package
develop. this is not good. we should add the debian/ folder to master branch

this commit:
     cp the debina/ folder from [debian] branch
     then remove the [debian] branch

Signed-off-by: Xiangfu Liu <xiangfu@sharism.cc>
2010-09-25 16:16:25 +08:00

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#!/bin/awk -f
# Generate debian/changelog.upstream from debian/changelog and
# the git revision log. Inspired by Gerrit Papes
# debian/changelog.upstream.sh, from the git-core Debian package.
#
# Requires a working /dev/stderr.
#
# Usage:
# dpkg-parsechangelog --format rfc822 --all |
# awk -f debian/changelog.upstream.awk
# If argument matches /^Version: /, return remaining text.
# Result is nonempty if and only if argument matches.
function version_line(line) {
if (line ~ /^Version: /) {
sub(/^Version: /, "", line);
return line;
}
return "";
}
# If argument matches /^\*.* from commit /, return remaining text.
# Result is nonempty if and only if argument matches.
function commit_id_line(line) {
if (line ~ / from commit /) {
sub(/^.* from commit /, "", line);
sub(/[(][Cc]loses.*/, "", line);
sub(/[^0-9a-f]*$/, "", line);
return line;
}
return "";
}
# Read standard input, scanning for a changelog entry of the
# form “* New snapshot, taken from commit <blah>.”
# Result is <blah>.
# Result is empty and writes a message to standard error if no such entry is
# found before the next Version: line with a different upstream
# version (or EOF).
# Argument is the upstream version sought.
function read_commit_id(upstream, line,version,corresponding_upstream,commit) {
while (getline line) {
version = version_line(line);
corresponding_upstream = version;
sub(/-[^-]*$/, "", corresponding_upstream);
if (version != "" && corresponding_upstream != upstream)
break;
commit = commit_id_line(line);
if (commit != "")
return commit;
}
print "No commit id for " upstream >> "/dev/stderr";
return "";
}
BEGIN {
last = "none";
last_cid = "none";
cl = "debian/changelog.upstream";
}
# Add a list of all revisions up to last to debian/changelog.upstream
# and set last = new_cid.
# new is a user-readable name for the commit new_cide.
function add_version(new,new_cid, limiter,versionline,command,line) {
if (last == "none") {
printf "" > cl;
last = new;
last_cid = new_cid;
return 0;
}
if (new == "none") {
versionline = "Version " last;
limiter = "";
} else {
versionline = "Version " last "; changes since " new ":";
limiter = new_cid "..";
}
print versionline >> cl;
gsub(/./, "-", versionline);
print versionline >> cl;
print "" >> cl;
command = "git shortlog \"" limiter last_cid "\"";
while(command | getline line)
print line >> cl;
if (new != "none")
print "" >> cl;
last = new;
last_cid = new_cid;
}
{
version = version_line($0);
if (version != "") {
# strip Debian revision
upstream_version = version;
sub(/-[^-]*$/, "", upstream_version);
commit = read_commit_id(upstream_version);
if (commit == "")
exit 1;
add_version(upstream_version, commit);
}
}
END {
add_version("none", "none");
}