Create a simple shell script to automate tagging an EGit release

It is necessary to update the Eclipse MANIFEST.MF files with our
current version number when we cut a new release of the project.
This script automates that edit.

Signed-off-by: Shawn O. Pearce <[email protected]>

Author: spearce

tag_egit.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Updates MANIFEST.MF files for EGit plugins.
+
+v=$1
+if [ -z "$v" ]
+then
+	echo >&2 "usage: $0 version"
+	exit 1
+fi
+
+MF=$(git ls-files | grep META-INF/MANIFEST.MF)
+FX=org.spearce.egit-feature/feature.xml
+SX=org.spearce.egit-updatesite/site.xml
+ALL="$MF $FX $SX"
+
+replace() {
+	version=$1
+
+	perl -pi -e 's/^(Bundle-Version:).*/$1 '$version/ $MF
+	perl -pi -e '
+		if (/^.*version=/ && ++$f == 2) {
+			s/^(.*version)=".*"/$1="'$version'"/
+		}' $FX
+	perl -pi -e '
+		next if /^<\?xml/;
+		s/(egit_).*?(.jar)/${1}'$version'$2/;
+		s/(version)=".*?"/$1="'$version'"/;
+		' $SX
+}
+
+replace $v
+git commit -s -m "EGit $v" $ALL &&
+c=$(git rev-parse HEAD) &&
+
+replace $v.qualifier &&
+git commit -s -m "Re-add version qualifier suffix to $v" $ALL &&
+
+echo &&
+tagcmd="git tag -s -m 'EGit $v' v$v $c" &&
+if ! eval $tagcmd
+then
+	echo >&2
+	echo >&2 "Tag with:"
+	echo >&2 "  $tagcmd"
+	exit 1
+fi || exit