Sometimes you want to compare branches based on their commit messages, and not on their SHAs.
This can be achieved by the following snippet:
git fetch
git log --format='%s' origin/branch_1 > log_1
git log --format='%s' origin/branch_2 > log_2
diff <(sort log_1) <(sort log_2)
If you want to compare local branches, you can get rid of the git fetch
and remove origin
for both branches.
You can generalize and write a script that accepts the branches names:
#!/bin/bash
git log --format='%s' "$1" > log_1
git log --format='%s' "$2" > log_2
diff <(cat log_1 | sort) <(cat log_2 | sort)
rm log_1 log_2
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