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-rwxr-xr-xutil/git-hooks/pre-push74
1 files changed, 74 insertions, 0 deletions
diff --git a/util/git-hooks/pre-push b/util/git-hooks/pre-push
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+++ b/util/git-hooks/pre-push
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+#!/bin/sh
+
+# A hook script to verify what is about to be pushed. Called by "git
+# push" after it has checked the remote status, but before anything has been
+# pushed. If this script exits with a non-zero status nothing will be pushed.
+#
+# This hook is called with the following parameters:
+#
+# $1 -- Name of the remote to which the push is being done
+# $2 -- URL to which the push is being done
+#
+# If pushing without using a named remote those arguments will be equal.
+#
+# Information about the commits which are being pushed is supplied as lines to
+# the standard input in the form:
+#
+# <local ref> <local sha1> <remote ref> <remote sha1>
+
+remote="$1"
+url="$2"
+
+zero=0000000000000000000000000000000000000000
+
+upstream_pattern="github\.com.flashrom/flashrom(\.git)?|flashrom\.org.git/flashrom(\.git)?"
+precious_branches=( stable staging )
+
+# Only care about the upstream repository
+if echo "$url" | grep -q -v -E "$upstream_pattern" ; then
+ exit 0
+fi
+
+while read local_ref local_sha remote_ref remote_sha ; do
+ if [ "$remote_ref" != "refs/heads/staging" -a "$remote_ref" != "refs/heads/stable" ]; then
+ echo "Feature branches not allowed ($remote_ref)." >&2
+ exit 1
+ fi
+
+ if [ "$local_sha" = $zero ]; then
+ echo "Deletion of branches is prohibited." >&2
+ exit 1
+ else
+ if [ "$remote_sha" = "$zero" ]; then
+ echo "No new branches allowed." >&2
+ exit 1
+ else
+ range="$remote_sha..$local_sha"
+ fi
+
+ # Check for Signed-off-by and Acked-by
+ commit=$(git rev-list -n 1 --all-match --invert-grep -E \
+ --grep '^Signed-off-by: .+ <.+@.+\..+>$' --grep '^Acked-by: .+ <.+@.+\..+>$' "$range")
+ if [ -n "$commit" ]; then
+ echo "No Signoff or Ack found in commit $local_sha in $local_ref, not pushing." >&2
+ exit 1
+ fi
+
+ # Make _really_ sure we do not rewrite precious history
+ for lbranch in "${precious_branches[@]}"; do
+ if [ "$remote_ref" = "refs/heads/$lbranch" ]; then
+ nonreachable=$(git rev-list $remote_sha ^$local_sha)
+ if [ -n "$nonreachable" ]; then
+ echo "Only fast-forward pushes are allowed on $lbranch." >&2
+ echo "$nonreachable is not included in $remote_sha while pusing to $remote_ref" >&2
+ exit 1
+ fi
+ fi
+ done
+
+ # FIXME: check commit log format (subject without full stop at the end etc).
+ # FIXME: do buildbot checks if authorized?
+ fi
+done
+
+exit 0
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