Refactor version handling into Mk/buildinfo.mk

2 files changed, 114 insertions, 0 deletions

diff --git a/Mk/bin/copyright.py b/Mk/bin/copyright.py
new file mode 100755
index 0000000..ab51290
--- /dev/null
+++ b/Mk/bin/copyright.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+# vim: set ft=python list et ts=8 sts=4 sw=4:
+
+import sys
+import os
+
+def commentline(prefix, line):
+    if len(line) > 0:
+        return prefix + ' ' + line + '\n'
+    return prefix + '\n'
+
+def license(outfile, filetype):
+    with open('LICENSE', 'r') as f:
+        # skip title
+        f.readline()
+        f.readline()
+        text = f.read()
+    text = ('SSLsplit - transparent SSL/TLS interception\n'
+            'https://www.roe.ch/SSLsplit\n\n') + text.replace(
+                    'and contributors', '<[email protected]>')
+    lines = text.splitlines()
+    if filetype == 'c':
+        outfile.write('/*-\n')
+        for line in lines:
+            outfile.write(commentline(' *', line))
+    elif filetype == 'script':
+        outfile.write('#-\n')
+        for line in lines:
+            outfile.write(commentline('#', line))
+    elif filetype == 'man':
+        outfile.write('.\\"-\n')
+        for line in lines:
+            outfile.write(commentline('.\\"', line))
+    else:
+        raise RuntimeError()
+
+def mangle(outfile, infile):
+    have_first = False
+    have_header = False
+    for line in infile:
+        if have_header:
+            outfile.write(line)
+        elif have_first:
+            if (filetype == 'c' and line.startswith(' */')) or \
+               (filetype == 'script' and not line.startswith('#')) or \
+               (filetype == 'man' and not line.startswith('.\\"')):
+                outfile.write(line)
+                have_header = True
+        else:
+            if line.startswith('/*-'):
+                filetype = 'c'
+            elif line.startswith('#-'):
+                filetype = 'script'
+            elif line.startswith('.\\"-'):
+                filetype = 'man'
+            else:
+                outfile.write(line)
+                continue
+            license(outfile, filetype)
+            have_first = True
+
+for fn in sys.argv[1:]:
+    with open(fn, 'r') as infile:
+        with open(fn + '~', 'w') as outfile:
+            mangle(outfile, infile)
+    os.rename(fn + '~', fn)
+
diff --git a/Mk/buildinfo.mk b/Mk/buildinfo.mk
new file mode 100644
index 0000000..962baef
--- /dev/null
+++ b/Mk/buildinfo.mk
@@ -0,0 +1,47 @@
+# in: PKGNAME
+# in: BUILD_INFO (optional)
+
+ifndef PKGNAME
+$(error PKGNAME not defined)
+endif
+
+BASENAME?=	basename
+CUT?=		cut
+GIT?=		git
+GREP?=		grep
+OPENSSL?=	openssl
+SED?=		sed
+
+GITDIR:=	$(wildcard .git)
+VERSION_FILE:=	$(wildcard VERSION)
+NEWS_FILE:=	$(firstword $(wildcard NEWS*))
+
+ifdef GITDIR
+BUILD_VERSION:=	$(shell $(GIT) describe --tags --dirty --always)
+BUILD_INFO+=	V:GIT
+GITDIR:=
+else
+ifdef VERSION_FILE
+BUILD_VERSION:=	$(shell $(CAT) VERSION)
+BUILD_INFO+=	V:FILE
+else
+BUILD_VERSION:=	$(shell $(BASENAME) $(PWD)|\
+			$(GREP) $(PKGNAME)-|\
+			$(SED) 's/.*$(PKGNAME)-\(.*\)/\1/g')
+BUILD_INFO+=	V:DIR
+endif
+ifdef NEWS_FILE
+NEWSSHA:=	$(shell $(OPENSSL) dgst -sha1 -r $(NEWS_FILE) |\
+			$(CUT) -c -7)
+BUILD_INFO+=	N:$(NEWSSHA)
+NEWSSHA:=
+endif
+endif # GITDIR
+
+BUILD_DATE:=	$(shell date +%Y-%m-%d)
+
+# out: NEWS_FILE
+# out: VERSION_FILE
+# out: BUILD_DATE
+# out: BUILD_VERSION
+# out: BUILD_INFO