48 lines
956 B
Markdown
48 lines
956 B
Markdown
---
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title: Finding the last commit that a patch applies to
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excerpt: How to find the last commit in a Git repository that a patch applies to.
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date: 2020-03-26
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tags: [bash, git]
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draft: true
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---
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```bash
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#!/usr/bin/env bash
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# https://www.drupal.org/files/issues/2018-08-28/group-configurable-entities-as-group-content-2797793-58.patch
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patch_filename=group-configurable-entities-as-group-content-2797793-58.patch
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first_commit=6e8c22a
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last_commit=8.x-1.x
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find_commits_between() {
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first_commit=$1
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last_commit=$2
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git rev-list --reverse --ancestry-path $first_commit^...$last_commit
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}
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reset_repo() {
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git reset --hard $1 >& /dev/null
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}
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apply_patch() {
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git apply --check $patch_filename >& /dev/null
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}
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for sha1 in $(find_commits_between $first_commit $last_commit); do
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echo "Trying ${sha1}..."
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reset_repo $sha1
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apply_patch
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if [[ $? -eq 0 ]]; then
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echo "Patch applies"
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continue
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fi
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echo "Patch does not apply"
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exit 1
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done
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```
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