1 files changed, 114 insertions, 0 deletions

diff --git a/bin/build-snapshots b/bin/build-snapshots
new file mode 100755
index 0000000..4c016c5
--- /dev/null
+++ b/bin/build-snapshots
@@ -0,0 +1,114 @@
+#!/bin/sh
+#
+# Copyright (c) 2013 Nagios Plugins Development Team
+#
+# Originally written by Holger Weiss <holger@zedat.fu-berlin.de>.
+#
+# This file is free software; the Nagios Plugins Development Team gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY, to the extent permitted by law; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+set -e
+set -u
+
+export PATH='/usr/local/bin:/usr/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin'
+
+prefix='/home/plugins'
+keep_days=2
+snapshot_dir="$prefix/web/download/snapshot"
+repository="$prefix/repositories/monitoring-plugins.git"
+branches=${*:-'maint master pu'}
+myself=${0##*/}
+
+make_dist()
+{
+        version=$1
+
+        tools/setup
+        ./configure
+        make dist VERSION="$version"
+}
+
+create_snapshot()
+{
+        branch=$1
+        snapshot_dir=$2
+
+        if git show-ref --verify --quiet "refs/heads/$branch"
+        then
+                git checkout --quiet "$branch"
+        else
+                git checkout --quiet --track "origin/$branch"
+        fi
+
+        version=$(git describe --abbrev=4 'HEAD' | sed 's/release-//')
+        tarball="monitoring-plugins-$version.tar.gz"
+        symlink="monitoring-plugins-$branch.tar.gz"
+
+        if [ ! -e "$snapshot_dir/$tarball" ]
+        then
+                make_dist "$version"
+                cp "$tarball" "$snapshot_dir"
+                git reset --quiet --hard
+                git clean --quiet --force -d -x
+        fi
+        cd "$snapshot_dir"
+        test -e "$tarball.sha1" || shasum -a 1 -b "$tarball" >"$tarball.sha1"
+        ln -s -f "$tarball" "$symlink"
+        ln -s -f "$tarball.sha1" "$symlink.sha1"
+        cd "$OLDPWD"
+}
+
+rm_old_snapshots()
+{
+        snapshot_dir=$1
+        keep_days=$2
+        link_targets=$(find "$snapshot_dir" -type l -exec readlink '{}' ';')
+
+        find "$snapshot_dir" -type f -mtime "+$((keep_days - 1))" -print \
+            | while read file
+        do
+                referenced=0
+
+                for link_target in $link_targets
+                do
+                        if [ "$link_target" = "${file##*/}" ]
+                        then
+                                referenced=1
+                                break
+                        fi
+                done
+                test $referenced -eq 1 || rm -f "$file"
+        done
+}
+
+if [ $# -eq 1 ] && [ "x$1" = 'x-h' -o "x$1" = 'x--help' ]
+then
+        echo "Usage: $myself [branch ...]"
+        exit 0
+fi
+
+temp_dir=$(mktemp -d "/tmp/$myself.XXXXXX")
+log_file="$temp_dir/log"
+exec >"$log_file" 3>&2 2>&1
+trap 'tail -n 25 "$log_file" >&3; rm -rf "$temp_dir"' EXIT
+set -x
+
+src_dir="$temp_dir/src"
+git clone --quiet --shared --no-checkout "$repository" "$src_dir"
+cd "$src_dir"
+
+for branch in $branches
+do
+        git show-ref --verify "refs/remotes/origin/$branch" \
+            && create_snapshot "$branch" "$snapshot_dir"
+done
+
+cd "$OLDPWD"
+rm_old_snapshots "$snapshot_dir" "$keep_days"
+trap - EXIT
+rm -rf "$temp_dir"