From cb433740f0b62fdebf430fba33db122306f0dd76 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Thu, 1 Sep 2022 13:14:33 -0600
Subject: [PATCH 01/11] chore: test invalid fetch-depth

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bb51520e..1c4085ba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -260,7 +260,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: true
-          fetch-depth: 0
+          fetch-depth: 1
       - name: Run changed-files with defaults
         id: changed-files
         uses: ./

From 52a83d3ef347348ace267c2493bec78d8065803b Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 15:08:19 -0600
Subject: [PATCH 02/11] fix: bug using invalid fetch-depth

---
 diff-sha.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 5e7ae911..1d1193ed 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -62,8 +62,10 @@ if [[ -z $GITHUB_BASE_REF ]]; then
   echo "::debug::GITHUB_BASE_REF unset using $TARGET_BRANCH..."
 
   if [[ -z $INPUT_BASE_SHA ]]; then
+    git fetch --no-tags -u --progress origin --depth=2 "${TARGET_BRANCH}":"${TARGET_BRANCH}"; exit_status=$?
+
     if [[ $(git rev-list --count "HEAD") -gt 1 ]]; then
-      PREVIOUS_SHA=$(git rev-parse "@~" 2>&1); exit_status=$?
+      PREVIOUS_SHA=$(git rev-parse "@~1" 2>&1); exit_status=$?
       echo "::debug::Previous SHA: $PREVIOUS_SHA"
     else
       PREVIOUS_SHA=$CURRENT_SHA; exit_status=$?
@@ -122,6 +124,7 @@ fi
 
 if [[ -n "$PREVIOUS_SHA" && -n "$CURRENT_SHA" && "$PREVIOUS_SHA" == "$CURRENT_SHA" && "$INITIAL_COMMIT" == "false" ]]; then
   echo "::error::Similar commit hashes detected: previous sha: $PREVIOUS_SHA is equivalent to the current sha: $CURRENT_SHA"
+  echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
   exit 1
 fi
 

From 4472745cf1973d5fc1e62a80701f39cf51ade0cc Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 15:20:06 -0600
Subject: [PATCH 03/11] add debug message.

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

diff --git a/diff-sha.sh b/diff-sha.sh
index 1d1193ed..da65bba2 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -45,6 +45,7 @@ else
   CURRENT_SHA=$INPUT_SHA; exit_status=$?
 fi
 
+echo "Verifying the commit SHA: $CURRENT_SHA"
 git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1; exit_status=$?
 
 if [[ $exit_status -ne 0 ]]; then
@@ -80,6 +81,7 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
+  echo "Verifying the commit SHA: $PREVIOUS_SHA"
   git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1; exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then

From 0f7f451225831eafd58d6e22f2772f766a211810 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 15:24:30 -0600
Subject: [PATCH 04/11] updated tested platforms.

---
 .github/workflows/manual-test.yml |  2 +-
 .github/workflows/test.yml        | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/manual-test.yml b/.github/workflows/manual-test.yml
index 34613b5c..e325ce50 100644
--- a/.github/workflows/manual-test.yml
+++ b/.github/workflows/manual-test.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1c4085ba..9438bce7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout
@@ -70,7 +70,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
     steps:
       - name: Checkout into dir1
         uses: actions/checkout@v3
@@ -126,7 +126,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout to branch
@@ -149,7 +149,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout to branch
@@ -201,7 +201,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout to branch
@@ -253,7 +253,7 @@ jobs:
       fail-fast: false
       max-parallel: 4
       matrix:
-        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
     steps:
       - name: Checkout

From 1faa996b8782803fb39958368a3443a5b5266ecc Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 16:41:25 -0600
Subject: [PATCH 05/11] Updated setting the exit status

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

diff --git a/diff-sha.sh b/diff-sha.sh
index da65bba2..663f421f 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -46,7 +46,7 @@ else
 fi
 
 echo "Verifying the commit SHA: $CURRENT_SHA"
-git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1; exit_status=$?
+git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
 if [[ $exit_status -ne 0 ]]; then
   echo "::error::Unable to locate the current sha: $CURRENT_SHA"

From 618e7037685b75f33676fa86ec6c48274c9011d1 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:23:52 -0600
Subject: [PATCH 06/11] Fixed bug with setting the exit status

---
 diff-sha.sh | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/diff-sha.sh b/diff-sha.sh
index 663f421f..702e78d8 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -23,7 +23,7 @@ function __version() {
   echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
 }
 
-GIT_VERSION=$(git --version | awk '{print $3}'); exit_status=$?
+GIT_VERSION=$(git --version | awk '{print $3}') && exit_status=$? || exit_status=$?
 
 if [[ $exit_status -ne 0 ]]; then
   echo "::error::git not installed"
@@ -40,7 +40,7 @@ fi
 echo "::debug::Getting HEAD SHA..."
 
 if [[ -z $INPUT_SHA ]]; then
-  CURRENT_SHA=$(git rev-list -n 1 "HEAD" 2>&1); exit_status=$?
+  CURRENT_SHA=$(git rev-list -n 1 "HEAD" 2>&1) && exit_status=$? || exit_status=$?
 else
   CURRENT_SHA=$INPUT_SHA; exit_status=$?
 fi
@@ -63,10 +63,10 @@ if [[ -z $GITHUB_BASE_REF ]]; then
   echo "::debug::GITHUB_BASE_REF unset using $TARGET_BRANCH..."
 
   if [[ -z $INPUT_BASE_SHA ]]; then
-    git fetch --no-tags -u --progress origin --depth=2 "${TARGET_BRANCH}":"${TARGET_BRANCH}"; exit_status=$?
+    git fetch --no-tags -u --progress origin --depth=2 "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
 
     if [[ $(git rev-list --count "HEAD") -gt 1 ]]; then
-      PREVIOUS_SHA=$(git rev-parse "@~1" 2>&1); exit_status=$?
+      PREVIOUS_SHA=$(git rev-parse "@~1" 2>&1) && exit_status=$? || exit_status=$?
       echo "::debug::Previous SHA: $PREVIOUS_SHA"
     else
       PREVIOUS_SHA=$CURRENT_SHA; exit_status=$?
@@ -76,13 +76,13 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     fi
   else
     PREVIOUS_SHA=$INPUT_BASE_SHA; exit_status=$?
-    TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1); exit_status=$?
+    TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
     echo "::debug::Previous SHA: $PREVIOUS_SHA"
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
   echo "Verifying the commit SHA: $PREVIOUS_SHA"
-  git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1; exit_status=$?
+  git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then
     echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"
@@ -98,24 +98,24 @@ else
   if [[ -z $INPUT_BASE_SHA ]]; then
     if [[ "$INPUT_USE_FORK_POINT" == "true" ]]; then
       echo "::debug::Getting fork point..."
-      git fetch --no-tags -u --progress origin "${TARGET_BRANCH}":"${TARGET_BRANCH}"; exit_status=$?
-      PREVIOUS_SHA=$(git merge-base --fork-point "${TARGET_BRANCH}" "$(git name-rev --name-only "$CURRENT_SHA")"); exit_status=$?
+      git fetch --no-tags -u --progress origin "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git merge-base --fork-point "${TARGET_BRANCH}" "$(git name-rev --name-only "$CURRENT_SHA")") && exit_status=$? || exit_status=$?
       echo "::debug::Previous SHA: $PREVIOUS_SHA"
     else
-      git fetch --no-tags -u --progress origin --depth=1 "${TARGET_BRANCH}":"${TARGET_BRANCH}"; exit_status=$?
-      PREVIOUS_SHA=$(git rev-list -n 1 "${TARGET_BRANCH}" 2>&1); exit_status=$?
+      git fetch --no-tags -u --progress origin --depth=1 "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
+      PREVIOUS_SHA=$(git rev-list -n 1 "${TARGET_BRANCH}" 2>&1) && exit_status=$? || exit_status=$?
       echo "::debug::Previous SHA: $PREVIOUS_SHA"
     fi
   else
-    git fetch --no-tags -u --progress origin --depth=1 "$(git rev-parse --verify "$INPUT_BASE_SHA")"; exit_status=$?
+    git fetch --no-tags -u --progress origin --depth=1 "$(git rev-parse --verify "$INPUT_BASE_SHA")" && exit_status=$? || exit_status=$?
     PREVIOUS_SHA=$INPUT_BASE_SHA
-    TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1); exit_status=$?
+    TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
     echo "::debug::Previous SHA: $PREVIOUS_SHA"
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
   echo "::debug::Verifying commit SHA..."
-  git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1; exit_status=$?
+  git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then
     echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"

From 16e8ea38dafa71a0d57e84898a55cef68b71fc0e Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:25:29 -0600
Subject: [PATCH 07/11] Updated the test

---
 .github/workflows/test.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9438bce7..7b83170f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -131,6 +131,8 @@ jobs:
     steps:
       - name: Checkout to branch
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
 
       - name: Run changed-files with a single commit history
         id: changed-files
@@ -260,7 +262,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           submodules: true
-          fetch-depth: 1
+          fetch-depth: 0
       - name: Run changed-files with defaults
         id: changed-files
         uses: ./

From 3a8cb1858935dc46a29769060d78b7357dbf9ed5 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:32:08 -0600
Subject: [PATCH 08/11] update the test.

---
 .github/workflows/test.yml | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7b83170f..d0d1eff0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -128,6 +128,34 @@ jobs:
       matrix:
         platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
 
+    steps:
+      - name: Checkout to branch
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Run changed-files with a single commit history
+        id: changed-files
+        uses: ./
+        with:
+          base_sha: d1c0ee4
+          sha: d1c0ee4
+
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files.outputs) }}'
+        shell:
+          bash
+
+  test-single-commit-history:
+    name: Test changed-files single commit history
+    runs-on: ${{ matrix.platform }}
+    strategy:
+      fail-fast: false
+      max-parallel: 4
+      matrix:
+        platform: [ubuntu-latest, ubuntu-22.04, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+
     steps:
       - name: Checkout to branch
         uses: actions/checkout@v3

From dcd088713aa5ca25afe80c2b5109c70ab8c15683 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:40:51 -0600
Subject: [PATCH 09/11] updated debug message.

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

diff --git a/diff-sha.sh b/diff-sha.sh
index 702e78d8..1e17d360 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -45,7 +45,7 @@ else
   CURRENT_SHA=$INPUT_SHA; exit_status=$?
 fi
 
-echo "Verifying the commit SHA: $CURRENT_SHA"
+echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
 git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
 if [[ $exit_status -ne 0 ]]; then
@@ -81,7 +81,7 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
-  echo "Verifying the commit SHA: $PREVIOUS_SHA"
+  echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
   git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then
@@ -114,7 +114,7 @@ else
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
-  echo "::debug::Verifying commit SHA..."
+  echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
   git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then

From 6ffc0e26e3e88c17c61c9658003be49af93e1736 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:50:38 -0600
Subject: [PATCH 10/11] added continue-on-error.

---
 .github/workflows/test.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d0d1eff0..f00b76fc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -136,11 +136,18 @@ jobs:
 
       - name: Run changed-files with a single commit history
         id: changed-files
+        continue-on-error: true
         uses: ./
         with:
           base_sha: d1c0ee4
           sha: d1c0ee4
 
+      - name: Exit with 1 if no error is raised
+        if: steps.changed-files.outcome != 'failure'
+        run: |
+          echo "Expected: (failure) got ${{ steps.changed-files.outcome }}"
+          exit 1
+
       - name: Show output
         run: |
           echo '${{ toJSON(steps.changed-files.outputs) }}'

From 5dd27b18ae12f8662ae2be013cb29f30e7445688 Mon Sep 17 00:00:00 2001
From: Tonye Jack <jtonye@ymail.com>
Date: Fri, 2 Sep 2022 18:55:23 -0600
Subject: [PATCH 11/11] update test name

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f00b76fc..7fc59dde 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -134,7 +134,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Run changed-files with a single commit history
+      - name: Run changed-files with similar base and commit sha
         id: changed-files
         continue-on-error: true
         uses: ./