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Diffstat (limited to 't/t8013-blame-ignore-revs.sh')
| -rwxr-xr-x | t/t8013-blame-ignore-revs.sh | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/t/t8013-blame-ignore-revs.sh b/t/t8013-blame-ignore-revs.sh new file mode 100755 index 0000000..fdb2fa8 --- /dev/null +++ b/t/t8013-blame-ignore-revs.sh @@ -0,0 +1,203 @@ +#!/bin/sh + +test_description='ignore revisions when blaming' +. ./test-lib.sh + +# Creates: +# A--B--X +# A added line 1 and B added line 2. X makes changes to those lines. Sanity +# check that X is blamed for both lines. +test_expect_success setup ' + test_commit A file line1 && + + echo line2 >>file && + git add file && + test_tick && + git commit -m B && + git tag B && + + test_write_lines line-one line-two >file && + git add file && + test_tick && + git commit -m X && + git tag X && + + git blame --line-porcelain file >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse X >expect && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse X >expect && + test_cmp expect actual + ' + +# Ignore X, make sure A is blamed for line 1 and B for line 2. +test_expect_success ignore_rev_changing_lines ' + git blame --line-porcelain --ignore-rev X file >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse A >expect && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse B >expect && + test_cmp expect actual + ' + +# For ignored revs that have added 'unblamable' lines, attribute those to the +# ignored commit. +# A--B--X--Y +# Where Y changes lines 1 and 2, and adds lines 3 and 4. The added lines ought +# to have nothing in common with "line-one" or "line-two", to keep any +# heuristics from matching them with any lines in the parent. +test_expect_success ignore_rev_adding_unblamable_lines ' + test_write_lines line-one-change line-two-changed y3 y4 >file && + git add file && + test_tick && + git commit -m Y && + git tag Y && + + git rev-parse Y >expect && + git blame --line-porcelain file --ignore-rev Y >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 3" blame_raw | sed -e "s/ .*//" >actual && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 4" blame_raw | sed -e "s/ .*//" >actual && + test_cmp expect actual + ' + +# Ignore X and Y, both in separate files. Lines 1 == A, 2 == B. +test_expect_success ignore_revs_from_files ' + git rev-parse X >ignore_x && + git rev-parse Y >ignore_y && + git blame --line-porcelain file --ignore-revs-file ignore_x --ignore-revs-file ignore_y >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse A >expect && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse B >expect && + test_cmp expect actual + ' + +# Ignore X from the config option, Y from a file. +test_expect_success ignore_revs_from_configs_and_files ' + git config --add blame.ignoreRevsFile ignore_x && + git blame --line-porcelain file --ignore-revs-file ignore_y >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse A >expect && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse B >expect && + test_cmp expect actual + ' + +# Override blame.ignoreRevsFile (ignore_x) with an empty string. X should be +# blamed now for lines 1 and 2, since we are no longer ignoring X. +test_expect_success override_ignore_revs_file ' + git blame --line-porcelain file --ignore-revs-file "" --ignore-revs-file ignore_y >blame_raw && + git rev-parse X >expect && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + test_cmp expect actual + ' +test_expect_success bad_files_and_revs ' + test_must_fail git blame file --ignore-rev NOREV 2>err && + test_i18ngrep "cannot find revision NOREV to ignore" err && + + test_must_fail git blame file --ignore-revs-file NOFILE 2>err && + test_i18ngrep "could not open.*: NOFILE" err && + + echo NOREV >ignore_norev && + test_must_fail git blame file --ignore-revs-file ignore_norev 2>err && + test_i18ngrep "invalid object name: NOREV" err + ' +# The heuristic called by guess_line_blames() tries to find the size of a +# blame_entry 'e' in the parent's address space. Those calculations need to +# check for negative or zero values for when a blame entry is completely outside +# the window of the parent's version of a file. +# +# This happens when one commit adds several lines (commit B below). A later +# commit (C) changes one line in the middle of B's change. Commit C gets blamed +# for its change, and that breaks up B's change into multiple blame entries. +# When processing B, one of the blame_entries is outside A's window (which was +# zero - it had no lines added on its side of the diff). +# +# A--B--C, ignore B to test the ignore heuristic's boundary checks. +test_expect_success ignored_chunk_negative_parent_size ' + rm -rf .git/ && + git init && + + test_write_lines L1 L2 L7 L8 L9 >file && + git add file && + test_tick && + git commit -m A && + git tag A && + + test_write_lines L1 L2 L3 L4 L5 L6 L7 L8 L9 >file && + git add file && + test_tick && + git commit -m B && + git tag B && + + test_write_lines L1 L2 L3 L4 xxx L6 L7 L8 L9 >file && + git add file && + test_tick && + git commit -m C && + git tag C && + + git blame file --ignore-rev B >blame_raw + ' + +# Resetting the repo and creating: +# +# A--B--M +# \ / +# C-+ +# +# 'A' creates a file. B changes line 1, and C changes line 9. M merges. +test_expect_success ignore_merge ' + rm -rf .git/ && + git init && + + test_write_lines L1 L2 L3 L4 L5 L6 L7 L8 L9 >file && + git add file && + test_tick && + git commit -m A && + git tag A && + + test_write_lines BB L2 L3 L4 L5 L6 L7 L8 L9 >file && + git add file && + test_tick && + git commit -m B && + git tag B && + + git reset --hard A && + test_write_lines L1 L2 L3 L4 L5 L6 L7 L8 CC >file && + git add file && + test_tick && + git commit -m C && + git tag C && + + test_merge M B && + git blame --line-porcelain file --ignore-rev M >blame_raw && + + grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse B >expect && + test_cmp expect actual && + + grep -E "^[0-9a-f]+ [0-9]+ 9" blame_raw | sed -e "s/ .*//" >actual && + git rev-parse C >expect && + test_cmp expect actual + ' + +test_done |