From 4d1ed48b497cee2c96f4f3f5342f0709d7acac28 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 20:53:14 -0700
Subject: [PATCH 01/31] chore: update test dir

---
 test/test new.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/test new.txt b/test/test new.txt
index 9f4b6d8bfea..f717185e104 100644
--- a/test/test new.txt	
+++ b/test/test new.txt	
@@ -1 +1,2 @@
-This is a test file
+This is a test file 1.
+This is a test file 2.

From aabcbcc8821cef2274f50f8533dd6774b8ffae1d Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:01:23 -0700
Subject: [PATCH 02/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 5090dd2b0d2..6573d955b6b 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -227,7 +227,7 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base "$PREVIOUS_SHA" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
       fi
     fi
 
@@ -249,7 +249,7 @@ else
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         else
-          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$PREVIOUS_SHA" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
           
           if [[ -n "$NEW_PREVIOUS_SHA" ]]; then
             PREVIOUS_SHA=$NEW_PREVIOUS_SHA

From bdfc50c467b188c7d8a7c48f1c72ff2686be3850 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:15:31 -0700
Subject: [PATCH 03/31] Update diff-sha.sh

---
 diff-sha.sh | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 6573d955b6b..95d249b4a15 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -232,7 +232,7 @@ else
     fi
 
     if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
     fi
 
     echo "::debug::Previous SHA: $PREVIOUS_SHA"
@@ -248,12 +248,6 @@ else
       for ((i=0; i<max_depth; i+=depth * 2)); do
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
-        else
-          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
-          
-          if [[ -n "$NEW_PREVIOUS_SHA" ]]; then
-            PREVIOUS_SHA=$NEW_PREVIOUS_SHA
-          fi
         fi
 
         echo "Fetching $i commits..."

From ca30b8500a1363d8538291625cf74676f18993a9 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:33:16 -0700
Subject: [PATCH 04/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 95d249b4a15..5fa16a92fb2 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -227,12 +227,12 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_BRANCH") && exit_status=$? || exit_status=$?
       fi
     fi
 
     if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_BRANCH") && exit_status=$? || exit_status=$?
     fi
 
     echo "::debug::Previous SHA: $PREVIOUS_SHA"

From 19e86cc60b215a3601e6bb5a28702bce8265451d Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:42:30 -0700
Subject: [PATCH 05/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 5fa16a92fb2..503343d6226 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -165,7 +165,7 @@ else
     # shellcheck disable=SC2086
     git fetch $EXTRA_ARGS -u --progress --depth=$(( GITHUB_EVENT_PULL_REQUEST_COMMITS + 1 )) origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
 
-    COMMON_ANCESTOR=$(git rev-list --first-parent --max-parents=0 --max-count=1 origin/"$CURRENT_BRANCH") && exit_status=$? || exit_status=$?
+    COMMON_ANCESTOR=$(git rev-list --ancestry-path "$CURRENT_BRANCH".."$TARGET_BRANCH") && exit_status=$? || exit_status=$?
 
     if [[ -z "$COMMON_ANCESTOR" ]]; then
       echo "::debug::Unable to locate a common ancestor for the current branch: $CURRENT_BRANCH"

From 9f3cd20ba2677398d642a1ca03afa2d4caed8559 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:52:03 -0700
Subject: [PATCH 06/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 503343d6226..c350625a644 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -227,12 +227,12 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_BRANCH") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
       fi
     fi
 
     if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_BRANCH") && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
     fi
 
     echo "::debug::Previous SHA: $PREVIOUS_SHA"

From 1d0bc9880cb79508c6777862baa780c5aa3e33c5 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:53:52 -0700
Subject: [PATCH 07/31] Update diff-sha.sh

---
 diff-sha.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index c350625a644..409041ed39c 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -165,7 +165,7 @@ else
     # shellcheck disable=SC2086
     git fetch $EXTRA_ARGS -u --progress --depth=$(( GITHUB_EVENT_PULL_REQUEST_COMMITS + 1 )) origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
 
-    COMMON_ANCESTOR=$(git rev-list --ancestry-path "$CURRENT_BRANCH".."$TARGET_BRANCH") && exit_status=$? || exit_status=$?
+    COMMON_ANCESTOR=$(git rev-list --ancestry-path "$GITHUB_REF".."$TARGET_BRANCH") && exit_status=$? || exit_status=$?
 
     if [[ -z "$COMMON_ANCESTOR" ]]; then
       echo "::debug::Unable to locate a common ancestor for the current branch: $CURRENT_BRANCH"
@@ -227,12 +227,12 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$GITHUB_REF") && exit_status=$? || exit_status=$?
       fi
     fi
 
     if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$GITHUB_REF") && exit_status=$? || exit_status=$?
     fi
 
     echo "::debug::Previous SHA: $PREVIOUS_SHA"

From fd3e44b55637344b2116e10a35afb214489305af Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 21:54:42 -0700
Subject: [PATCH 08/31] Update test new.txt

---
 test/test new.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/test new.txt b/test/test new.txt
index f717185e104..30fecdb09de 100644
--- a/test/test new.txt	
+++ b/test/test new.txt	
@@ -1,2 +1 @@
 This is a test file 1.
-This is a test file 2.

From 4bf8a029f79d484c68649a748099978baabb6ea1 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 22:00:33 -0700
Subject: [PATCH 09/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 409041ed39c..9873d42439f 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -227,12 +227,12 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$GITHUB_REF") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
       fi
     fi
 
     if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$GITHUB_REF") && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
     fi
 
     echo "::debug::Previous SHA: $PREVIOUS_SHA"

From 7f75cdb50481f9cdeae33ba45ac2fbcb3a42fa90 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 22:01:00 -0700
Subject: [PATCH 10/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 9873d42439f..6740f40fd99 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -227,7 +227,7 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
       fi
     fi
 

From 237b05158c7dd3dfae893d1228e8bce2e465dc90 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 15 Dec 2022 22:15:57 -0700
Subject: [PATCH 11/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 6740f40fd99..4821d106189 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -165,7 +165,7 @@ else
     # shellcheck disable=SC2086
     git fetch $EXTRA_ARGS -u --progress --depth=$(( GITHUB_EVENT_PULL_REQUEST_COMMITS + 1 )) origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
 
-    COMMON_ANCESTOR=$(git rev-list --ancestry-path "$GITHUB_REF".."$TARGET_BRANCH") && exit_status=$? || exit_status=$?
+    COMMON_ANCESTOR=$(git merge-base --fork-point "$TARGET_BRANCH" HEAD) && exit_status=$? || exit_status=$?
 
     if [[ -z "$COMMON_ANCESTOR" ]]; then
       echo "::debug::Unable to locate a common ancestor for the current branch: $CURRENT_BRANCH"
@@ -227,7 +227,7 @@ else
       PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
       fi
     fi
 

From 0a3cc94baa1f6e1eacc6183ff97e3bc30a0f08fb Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 07:05:52 -0700
Subject: [PATCH 12/31] Update test new.txt

---
 test/test new.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test new.txt b/test/test new.txt
index 30fecdb09de..6de7b8c69d6 100644
--- a/test/test new.txt	
+++ b/test/test new.txt	
@@ -1 +1 @@
-This is a test file 1.
+This is a test file.

From 2b49b75dcbedeba429b367f4fdf5924d26d1cbee Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 07:17:10 -0700
Subject: [PATCH 13/31] Update diff-sha.sh

---
 diff-sha.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 4821d106189..ae65e35e56b 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -224,10 +224,10 @@ else
     if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
       PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
     else
-      PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
-      
+      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
-        PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+        PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
       fi
     fi
 

From 40f3d5695f9708f982dcaf5bb92fb6e21bf6bef7 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 07:26:20 -0700
Subject: [PATCH 14/31] Update diff-sha.sh

---
 diff-sha.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/diff-sha.sh b/diff-sha.sh
index ae65e35e56b..dac16aab8a2 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -251,6 +251,14 @@ else
         fi
 
         echo "Fetching $i commits..."
+        
+        if [[ -z "$INPUT_BASE_SHA" ]]; then
+          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA")
+          
+          if [[ -n $NEW_PREVIOUS_SHA ]]; then
+            PREVIOUS_SHA=$NEW_PREVIOUS_SHA
+          fi
+        fi
 
         # shellcheck disable=SC2086
         git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1

From e034ba961f95633ea20807b5fb96beef80c91597 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 07:26:48 -0700
Subject: [PATCH 15/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index dac16aab8a2..ae3c669712c 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -255,7 +255,7 @@ else
         if [[ -z "$INPUT_BASE_SHA" ]]; then
           NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA")
           
-          if [[ -n $NEW_PREVIOUS_SHA ]]; then
+          if [[ -n "$NEW_PREVIOUS_SHA" ]]; then
             PREVIOUS_SHA=$NEW_PREVIOUS_SHA
           fi
         fi

From d4e4d24f9c664a113efef389b8c5b38d08ef3aab Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 07:44:56 -0700
Subject: [PATCH 16/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index ae3c669712c..6e438b55d4c 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -exuo pipefail
 
 INITIAL_COMMIT="false"
 GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}

From 9bb7d28e709c334088dfffef03e930363bc87f71 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 09:23:09 -0700
Subject: [PATCH 17/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 6e438b55d4c..4386939aa21 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -245,7 +245,7 @@ else
       depth=$INPUT_FETCH_DEPTH
       max_depth=$INPUT_MAX_FETCH_DEPTH
 
-      for ((i=0; i<max_depth; i+=depth * 2)); do
+      for ((i=0; i<max_depth; i+=depth)); do
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         fi

From 996300de86178460152fae22bd01ee444881a888 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 09:43:12 -0700
Subject: [PATCH 18/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 4386939aa21..eba8d470e6a 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -172,7 +172,7 @@ else
     else
       echo "::debug::Common ancestor: $COMMON_ANCESTOR"
 
-      DATE=$(git log --date=iso8601 --format=%cd "${COMMON_ANCESTOR}")
+      DATE=$(git log --max-count=1 --date=iso8601 --format=%cd "${COMMON_ANCESTOR}")
 
       if [[ -z "$DATE" ]]; then
         echo "::error::Unable to locate a date for the common ancestor: $COMMON_ANCESTOR"

From 2e7b724f9a832b17794502179429325bfd2f5a36 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 09:48:16 -0700
Subject: [PATCH 19/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index eba8d470e6a..dfc3279d55e 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -172,7 +172,7 @@ else
     else
       echo "::debug::Common ancestor: $COMMON_ANCESTOR"
 
-      DATE=$(git log --max-count=1 --date=iso8601 --format=%cd "${COMMON_ANCESTOR}")
+      DATE=$(git show --date=iso8601 --format=%cd "$COMMON_ANCESTOR")
 
       if [[ -z "$DATE" ]]; then
         echo "::error::Unable to locate a date for the common ancestor: $COMMON_ANCESTOR"

From e8733f64faa72757a8474b1bf0aba275965f2c19 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 10:03:24 -0700
Subject: [PATCH 20/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index dfc3279d55e..4dd61b08f5d 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -172,7 +172,7 @@ else
     else
       echo "::debug::Common ancestor: $COMMON_ANCESTOR"
 
-      DATE=$(git show --date=iso8601 --format=%cd "$COMMON_ANCESTOR")
+      DATE=$(git show --quiet --date=iso8601 --format=%cd "$COMMON_ANCESTOR")
 
       if [[ -z "$DATE" ]]; then
         echo "::error::Unable to locate a date for the common ancestor: $COMMON_ANCESTOR"

From 7dd55804cf4256d459ec1948f2174bdeefd36d0d Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 10:17:31 -0700
Subject: [PATCH 21/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 4dd61b08f5d..47092ea7570 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -exuo pipefail
+set -euo pipefail
 
 INITIAL_COMMIT="false"
 GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}

From 550a9723589bfb99df2d7dde168ef537de4de82d Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 10:40:19 -0700
Subject: [PATCH 22/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 47092ea7570..d19c51731af 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -euo pipefail
+set -euxo pipefail
 
 INITIAL_COMMIT="false"
 GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}
@@ -261,7 +261,7 @@ else
         fi
 
         # shellcheck disable=SC2086
-        git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1
+        git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1 || true
       done
 
       if ((i >= max_depth)); then

From 41bac1e2f746c759e06c15d5d7f6b63e7229b481 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 10:53:13 -0700
Subject: [PATCH 23/31] Update diff-sha.sh

---
 diff-sha.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index d19c51731af..3da404aa887 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -249,8 +249,6 @@ else
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         fi
-
-        echo "Fetching $i commits..."
         
         if [[ -z "$INPUT_BASE_SHA" ]]; then
           NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA")
@@ -260,6 +258,8 @@ else
           fi
         fi
 
+        echo "Fetching $i commits..."
+
         # shellcheck disable=SC2086
         git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1 || true
       done

From acd99f22a76390e8a64d0125d07d220bd96cf970 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 10:53:49 -0700
Subject: [PATCH 24/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 3da404aa887..7c51a5ed999 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -245,7 +245,7 @@ else
       depth=$INPUT_FETCH_DEPTH
       max_depth=$INPUT_MAX_FETCH_DEPTH
 
-      for ((i=0; i<max_depth; i+=depth)); do
+      for ((i=depth; i<max_depth; i+=depth)); do
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         fi

From f701d66cbd44011378b1d84fe013a79fc178a12d Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:15:14 -0700
Subject: [PATCH 25/31] Update diff-sha.sh

---
 diff-sha.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 7c51a5ed999..53649057cdf 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -224,7 +224,11 @@ else
     if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
       PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
     else
-      PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=${COMMON_ANCESTOR:-}
+      
+      if [[ -z "$PREVIOUS_SHA" ]]; then
+        PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
+      fi
 
       if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
         PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA

From e070e451a6caa332855fa487fce4419fb0faa1c9 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:16:00 -0700
Subject: [PATCH 26/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 53649057cdf..26de410f2f1 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -265,7 +265,7 @@ else
         echo "Fetching $i commits..."
 
         # shellcheck disable=SC2086
-        git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1 || true
+        git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1
       done
 
       if ((i >= max_depth)); then

From c3ab8f39360d3f76fe2a84d479387334fcaf5516 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:18:16 -0700
Subject: [PATCH 27/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 26de410f2f1..05008d838ac 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -249,7 +249,7 @@ else
       depth=$INPUT_FETCH_DEPTH
       max_depth=$INPUT_MAX_FETCH_DEPTH
 
-      for ((i=depth; i<max_depth; i+=depth)); do
+      for ((i=depth; i>max_depth; i+=depth)); do
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         fi

From 78ac3f4d78dd914e323a41190be5db9eb188cdaa Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:29:04 -0700
Subject: [PATCH 28/31] Update diff-sha.sh

---
 diff-sha.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 05008d838ac..db09f0c97de 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -249,7 +249,7 @@ else
       depth=$INPUT_FETCH_DEPTH
       max_depth=$INPUT_MAX_FETCH_DEPTH
 
-      for ((i=depth; i>max_depth; i+=depth)); do
+      for ((i=20; i<max_depth; i+=depth)); do
         if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
           break
         fi
@@ -267,8 +267,8 @@ else
         # shellcheck disable=SC2086
         git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1
       done
-
-      if ((i >= max_depth)); then
+      
+      if ((i > max_depth)); then
         echo "::error::Unable to locate a common ancestor between $TARGET_BRANCH and $CURRENT_BRANCH with: $PREVIOUS_SHA$DIFF$CURRENT_SHA"
         exit 1
       fi

From 4837447a0b8205aa7b0fbea6291cb9ab5183ae81 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:29:59 -0700
Subject: [PATCH 29/31] Update diff-sha.sh

---
 diff-sha.sh | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index db09f0c97de..fbc2dc1a2b2 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -266,17 +266,16 @@ else
 
         # shellcheck disable=SC2086
         git fetch $EXTRA_ARGS -u --progress --deepen="$i" origin $TARGET_BRANCH $CURRENT_SHA 1>/dev/null 2>&1
+
+        if ((i > max_depth)); then
+          echo "::error::Unable to locate a common ancestor between $TARGET_BRANCH and $CURRENT_BRANCH with: $PREVIOUS_SHA$DIFF$CURRENT_SHA"
+          exit 1
+        fi
       done
-      
-      if ((i > max_depth)); then
-        echo "::error::Unable to locate a common ancestor between $TARGET_BRANCH and $CURRENT_BRANCH with: $PREVIOUS_SHA$DIFF$CURRENT_SHA"
-        exit 1
-      fi
     else
       echo "::debug::Not a shallow clone, skipping merge-base check."
     fi
   fi
-  
 
   echo "::debug::Target branch: $TARGET_BRANCH"
   echo "::debug::Current branch: $CURRENT_BRANCH"

From 675839364538318b9e2272dcb40faaf6bbb4d91f Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:34:44 -0700
Subject: [PATCH 30/31] Update action.yml

---
 action.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index 86cc8e7059e..998c2b39d47 100644
--- a/action.yml
+++ b/action.yml
@@ -87,7 +87,7 @@ inputs:
   max_fetch_depth:
     description: "Maximum depth of the branch history fetched. **NOTE**: This can be adjusted to resolve errors with insufficient history."
     required: false
-    default: "6000"
+    default: "9000"
   since_last_remote_commit:
     description: "Use the last commit on the remote branch as the `base_sha`. Defaults to the last non merge commit on the target branch for pull request events and the previous remote commit of the current branch for push events."
     required: true

From 10aaa531b8c03522fcf7eef2eef612396dfce0c9 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 16 Dec 2022 11:49:36 -0700
Subject: [PATCH 31/31] Update diff-sha.sh

---
 diff-sha.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index fbc2dc1a2b2..66916abfa92 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -255,7 +255,7 @@ else
         fi
         
         if [[ -z "$INPUT_BASE_SHA" ]]; then
-          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA")
+          NEW_PREVIOUS_SHA=$(git merge-base --fork-point "$TARGET_BRANCH" "$CURRENT_SHA") && exit_status=$? || exit_status=$?
           
           if [[ -n "$NEW_PREVIOUS_SHA" ]]; then
             PREVIOUS_SHA=$NEW_PREVIOUS_SHA