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97 lines
2.4 KiB
Bash
97 lines
2.4 KiB
Bash
#!/bin/bash
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if [[ $# < 2 || $# > 3 ]]; then
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echo "Syntax:"
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echo " $0 REPO1 REPO2 [--summary]"
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exit 1
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fi
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repo1="$1"
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repo2="$2"
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detail=1
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if [ $# == 3 ]; then
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if [ $3 != "--summary" ]; then
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echo "Unrecognized argument: $3"
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exit 1
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fi
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detail=
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fi
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if ( ! (cd "$repo1" && git rev-parse --git-dir > /dev/null) ); then
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echo "$repo1 is not a directory or does not have a git repository!"
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exit 1
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fi
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if ( ! (cd "$repo2" && git rev-parse --git-dir > /dev/null) ); then
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echo "$repo2 is not a directory or does not have a git repository!"
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exit 1
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fi
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tempfile=$(mktemp)
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#
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# Compare branches for identicalness
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#
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diff -u <(cd "$repo1" && git show-ref -h --heads --tags) <(cd "$repo2" && git show-ref -h --heads --tags) > $tempfile
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if [ $? != 0 ]; then
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echo -n "Branches & tags do not match"
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if test $detail; then
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echo "; differences:"
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cat $tempfile
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else
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echo "."
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fi
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else
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echo "* Branches and tags match exactly"
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exit 0
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fi
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#
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# Compare branch names
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#
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diff -u <(cd "$repo1" && git for-each-ref --format="%(refname)" | grep refs/heads/) <(cd "$repo2" && git for-each-ref --format="%(refname)" | grep refs/heads/) > $tempfile
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if [ $? != 0 ]; then
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echo -n "Branch names do not match"
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if test $detail; then
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echo "; differences:"
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cat $tempfile
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else
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echo "."
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fi
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else
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echo "* Branch names match"
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fi
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#
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# Compare trees of branches
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#
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diff -u <(cd "$repo1" && git rev-parse $(git for-each-ref --format="%(refname)" | grep refs/heads/ | sed -e s/$/^{tree}/)) <(cd "$repo2" && git rev-parse $(git for-each-ref --format="%(refname)" | grep refs/heads/ | sed -e s/$/^{tree}/)) > $tempfile
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if [ $? != 0 ]; then
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echo -n "Trees of branches do not match"
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if test $detail; then
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echo "; differences:"
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cat $tempfile
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else
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echo "."
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fi
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else
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echo "* Trees of branches match"
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fi
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#
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# Compare number of commits on each branch
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#
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diff -u <(cd "$repo1" && for i in $(git for-each-ref --format="%(refname)" | grep refs/heads/); do count=$(git rev-list $i | wc -l); printf "%5d %s\n" $count $i; done) <(cd "$repo2" && for i in $(git for-each-ref --format="%(refname)" | grep refs/heads/); do count=$(git rev-list $i | wc -l); printf "%5d %s\n" $count $i; done) > $tempfile
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if [ $? != 0 ]; then
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echo -n "Branch commit counts do not match"
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if test $detail; then
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echo "; differences:"
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cat $tempfile
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else
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echo "."
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fi
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else
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echo "* Branch commit counts match"
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fi
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rm $tempfile
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