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Add tests for rev-list --graph with options that simplify history
These tests help make sure graph_is_interesting() is doing the right thing. Signed-off-by: Adam Simpkins <simpkins@facebook.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Adam Simpkins
Junio C Hamano
parent
beb5af43a6
commit
b97c470b57
276
t/t6016-rev-list-graph-simplify-history.sh
Executable file
276
t/t6016-rev-list-graph-simplify-history.sh
Executable file
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#!/bin/sh
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# There's more than one "correct" way to represent the history graphically.
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# These tests depend on the current behavior of the graphing code. If the
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# graphing code is ever changed to draw the output differently, these tests
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# cases will need to be updated to know about the new layout.
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test_description='--graph and simplified history'
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. ./test-lib.sh
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test_expect_success 'set up rev-list --graph test' '
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# 3 commits on branch A
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test_commit A1 foo.txt &&
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test_commit A2 bar.txt &&
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test_commit A3 bar.txt &&
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git branch -m master A &&
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# 2 commits on branch B, started from A1
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git checkout -b B A1 &&
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test_commit B1 foo.txt &&
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test_commit B2 abc.txt &&
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# 2 commits on branch C, started from A2
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git checkout -b C A2 &&
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test_commit C1 xyz.txt &&
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test_commit C2 xyz.txt &&
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# Octopus merge B and C into branch A
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git checkout A &&
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git merge B C &&
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git tag A4
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test_commit A5 bar.txt &&
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# More commits on C, then merge C into A
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git checkout C &&
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test_commit C3 foo.txt &&
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test_commit C4 bar.txt &&
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git checkout A &&
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git merge -s ours C &&
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git tag A6
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test_commit A7 bar.txt &&
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# Store commit names in variables for later use
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A1=$(git rev-parse --verify A1) &&
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A2=$(git rev-parse --verify A2) &&
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A3=$(git rev-parse --verify A3) &&
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A4=$(git rev-parse --verify A4) &&
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A5=$(git rev-parse --verify A5) &&
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A6=$(git rev-parse --verify A6) &&
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A7=$(git rev-parse --verify A7) &&
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B1=$(git rev-parse --verify B1) &&
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B2=$(git rev-parse --verify B2) &&
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C1=$(git rev-parse --verify C1) &&
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C2=$(git rev-parse --verify C2) &&
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C3=$(git rev-parse --verify C3) &&
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C4=$(git rev-parse --verify C4)
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'
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test_expect_success '--graph --all' '
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rm -f expected &&
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "| * $C3" >> expected &&
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echo "* | $A5" >> expected &&
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echo "| | " >> expected &&
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echo "| \\ " >> expected &&
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echo "*-. \\ $A4" >> expected &&
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echo "|\\ \\ \\ " >> expected &&
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echo "| | |/ " >> expected &&
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echo "| | * $C2" >> expected &&
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echo "| | * $C1" >> expected &&
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echo "| * | $B2" >> expected &&
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echo "| * | $B1" >> expected &&
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echo "* | | $A3" >> expected &&
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echo "| |/ " >> expected &&
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echo "|/| " >> expected &&
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echo "* | $A2" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A1" >> expected &&
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git rev-list --graph --all > actual &&
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test_cmp expected actual
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'
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# Make sure the graph_is_interesting() code still realizes
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# that undecorated merges are interesting, even with --simplify-by-decoration
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test_expect_success '--graph --simplify-by-decoration' '
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rm -f expected &&
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git tag -d A4
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "| * $C3" >> expected &&
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echo "* | $A5" >> expected &&
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echo "| | " >> expected &&
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echo "| \\ " >> expected &&
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echo "*-. \\ $A4" >> expected &&
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echo "|\\ \\ \\ " >> expected &&
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echo "| | |/ " >> expected &&
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echo "| | * $C2" >> expected &&
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echo "| | * $C1" >> expected &&
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echo "| * | $B2" >> expected &&
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echo "| * | $B1" >> expected &&
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echo "* | | $A3" >> expected &&
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echo "| |/ " >> expected &&
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echo "|/| " >> expected &&
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echo "* | $A2" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A1" >> expected &&
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git rev-list --graph --all --simplify-by-decoration > actual &&
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test_cmp expected actual
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'
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# Get rid of all decorations on branch B, and graph with it simplified away
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test_expect_success '--graph --simplify-by-decoration prune branch B' '
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rm -f expected &&
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git tag -d B2
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git tag -d B1
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git branch -d B
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "| * $C3" >> expected &&
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echo "* | $A5" >> expected &&
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echo "* | $A4" >> expected &&
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echo "|\\ \\ " >> expected &&
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echo "| |/ " >> expected &&
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echo "| * $C2" >> expected &&
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echo "| * $C1" >> expected &&
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echo "* | $A3" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A2" >> expected &&
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echo "* $A1" >> expected &&
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git rev-list --graph --simplify-by-decoration --all > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph --full-history -- bar.txt' '
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rm -f expected &&
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git tag -d B2
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git tag -d B1
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git branch -d B
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "* | $A5" >> expected &&
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echo "* | $A4" >> expected &&
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echo "|\\ \\ " >> expected &&
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echo "| |/ " >> expected &&
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echo "* | $A3" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A2" >> expected &&
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git rev-list --graph --full-history --all -- bar.txt > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph --full-history --simplify-merges -- bar.txt' '
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rm -f expected &&
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git tag -d B2
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git tag -d B1
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git branch -d B
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "* | $A5" >> expected &&
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echo "* | $A3" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A2" >> expected &&
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git rev-list --graph --full-history --simplify-merges --all \
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-- bar.txt > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph -- bar.txt' '
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rm -f expected &&
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git tag -d B2
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git tag -d B1
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git branch -d B
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echo "* $A7" >> expected &&
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echo "* $A5" >> expected &&
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echo "* $A3" >> expected &&
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echo "| * $C4" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A2" >> expected &&
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git rev-list --graph --all -- bar.txt > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph --sparse -- bar.txt' '
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rm -f expected &&
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git tag -d B2
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git tag -d B1
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git branch -d B
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "* $A5" >> expected &&
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echo "* $A4" >> expected &&
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echo "* $A3" >> expected &&
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echo "| * $C4" >> expected &&
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echo "| * $C3" >> expected &&
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echo "| * $C2" >> expected &&
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echo "| * $C1" >> expected &&
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echo "|/ " >> expected &&
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echo "* $A2" >> expected &&
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echo "* $A1" >> expected &&
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git rev-list --graph --sparse --all -- bar.txt > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph ^C4' '
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rm -f expected &&
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "* $A5" >> expected &&
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echo "* $A4" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $B2" >> expected &&
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echo "| * $B1" >> expected &&
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echo "* $A3" >> expected &&
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git rev-list --graph --all ^C4 > actual &&
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test_cmp expected actual
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'
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test_expect_success '--graph ^C3' '
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rm -f expected &&
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "* $A5" >> expected &&
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echo "* $A4" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $B2" >> expected &&
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echo "| * $B1" >> expected &&
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echo "* $A3" >> expected &&
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git rev-list --graph --all ^C3 > actual &&
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test_cmp expected actual
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'
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# I don't think the ordering of the boundary commits is really
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# that important, but this test depends on it. If the ordering ever changes
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# in the code, we'll need to update this test.
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test_expect_success '--graph --boundary ^C3' '
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rm -f expected &&
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echo "* $A7" >> expected &&
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echo "* $A6" >> expected &&
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echo "|\\ " >> expected &&
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echo "| * $C4" >> expected &&
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echo "* | $A5" >> expected &&
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echo "| | " >> expected &&
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echo "| \\ " >> expected &&
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echo "*-. \\ $A4" >> expected &&
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echo "|\\ \\ \\ " >> expected &&
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echo "| * | | $B2" >> expected &&
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echo "| * | | $B1" >> expected &&
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echo "* | | | $A3" >> expected &&
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echo "o | | | $A2" >> expected &&
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echo "|/ / / " >> expected &&
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echo "o | | $A1" >> expected &&
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echo " / / " >> expected &&
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echo "| o $C3" >> expected &&
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echo "|/ " >> expected &&
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echo "o $C2" >> expected &&
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git rev-list --graph --boundary --all ^C3 > actual &&
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test_cmp expected actual
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'
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test_done
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