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#!/usr/bin/python
# Copyright (C) 2001-2023 Artifex Software, Inc.
# All Rights Reserved.
#
# This software is provided AS-IS with no warranty, either express or
# implied.
#
# This software is distributed under license and may not be copied,
# modified or distributed except as expressly authorized under the terms
# of the license contained in the file LICENSE in this distribution.
#
# Refer to licensing information at http://www.artifex.com or contact
# Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
# CA 94129, USA, for further information.
#
# noddy script to rejig the git log output into a Ghostscript html changelog
import os
import sys
argc = len(sys.argv)
if argc < 3:
sys.stderr.write("Usage: gitlog2changelog.py <starting ref> <ending ref>\n")
sys.stderr.write("For example: gitlog2changelog.py b246d9d 0805588\n")
else:
sys.stdout.write ("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n")
sys.stdout.write ("<html>\n<head>\n<title>\nGhostscript change history\n</title>\n")
sys.stdout.write ("<!-- generated by gitlog2changelog.py -->\n")
sys.stdout.write ("<link rel=stylesheet type=\"text/css\" href=\"gs.css\">\n")
sys.stdout.write ("</head>\n")
sys.stdout.write ("<body>\n")
# Create a list of commit SHA1 sums we want to log
commit_list = []
cmd="git log --topo-order --pretty=oneline " + sys.argv[1] + "..." + sys.argv[2]
res = os.popen(cmd, "r")
line1=res.readline()
while line1:
line2 = line1.rstrip()
commit_list.append(str.split(line2)[0])
line1=res.readline()
res.close()
# Now traverse that list getting the commit messages for each
for csum in commit_list:
# we have to use the slightly baroque syntax: git log --cc --topo-order <commit>^...<commit>
# where the "^" indicates the commit prior to the one we're processing with
# cmd="git log --name-only --topo-order --date=iso -n1 " + csum + "^" + "..." + csum
cmd="git log --name-only --topo-order --date=iso -n1 " + csum + "^" + "..." + csum # this leaves out the file list for each commit
res = os.popen(cmd, "r")
commit=res.readlines()
# This assumes the order of the lines.....
sys.stdout.write("<p><strong>")
if str.find(commit[1], "Merge:") < 0:
nm = commit[1]
dt = commit[2]
logidx = 3
else:
nm = commit[2]
dt = commit[3]
logidx = 4
sys.stdout.write (dt.split("Date:")[1].strip())
sys.stdout.write ("\n")
auth_name=nm.split("Author: ")[1].strip()
sys.stdout.write ("</strong>\n<br>" + auth_name.replace("<", "<").replace(">", ">") + "<br>\n")
sys.stdout.write ("<a href=\"http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=" + commit[0].split("commit ")[1].strip() + "\">")
sys.stdout.write (commit[0].split("commit ")[1].strip() + "</a>\n")
sys.stdout.write ("<blockquote>\n")
sys.stdout.write ("<p>\n")
log = commit[logidx:]
marked = 0
# this loop needs to skip initial blank lines
for logline in log:
if len(logline.strip()) == 0 and marked == 0 :
continue
sys.stdout.write (logline.replace("&", "&").replace("<", "<").replace(">", ">").replace("\"", """).rstrip() + "<br>\n")
marked = 1
sys.stdout.write ("<p>\n")
sys.stdout.write ("</blockquote>\n")
sys.stdout.write ("<hr>\n")
sys.stdout.write ("<hr size=20>\n\n\n")
sys.stdout.write ("</body>\n")
sys.stdout.write ("</html>\n")
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