SERVER-41038 Guarantee that git describe returns the same number of digits regardless of version

(cherry picked from commit 14c4a6e66351e07b1965622b4e8fb8d5bf0a04e2)

6 files changed, 10 insertions, 10 deletions

diff --git a/buildscripts/utils.py b/buildscripts/utils.py
index 5073b26ad85..dbf8e45dde9 100644
--- a/buildscripts/utils.py
+++ b/buildscripts/utils.py
@@ -95,9 +95,9 @@ def get_git_version():
 
 
 def get_git_describe():
-    """Return 'git describe'."""
+    """Return 'git describe --abbrev=7'."""
     with open(os.devnull, "r+") as devnull:
-        proc = subprocess.Popen("git describe", stdout=subprocess.PIPE, stderr=devnull,
+        proc = subprocess.Popen("git describe --abbrev=7", stdout=subprocess.PIPE, stderr=devnull,
                                 stdin=devnull, shell=True)
         return proc.communicate()[0].strip()
 
diff --git a/etc/distributed_correctness.yml b/etc/distributed_correctness.yml
index 470150ad2b2..68d170d0ba1 100644
--- a/etc/distributed_correctness.yml
+++ b/etc/distributed_correctness.yml
@@ -230,7 +230,7 @@ tasks:
           set -o verbose
 
           # We get the raw version string (r1.2.3-45-gabcdef) from git
-          MONGO_VERSION=$(git describe)
+          MONGO_VERSION=$(git describe --abbrev=7)
           # If this is a patch build, we add the patch version id to the version string so we know
           # this build was a patch, and which evergreen task it came from
           if [ "${is_patch|}" = "true" ]; then
diff --git a/etc/evergreen.yml b/etc/evergreen.yml
index 05ba814bd7d..6ed1141cc2d 100644
--- a/etc/evergreen.yml
+++ b/etc/evergreen.yml
@@ -437,7 +437,7 @@ functions:
         fi
         # For compile bypass we need to skip the binary version check since we can tag a commit
         # after the base commit binaries were created. This would lead to a mismatch of the binaries
-        # and the version from git describe in the compile_expansions.yml.
+        # and the version from git describe --abbrev=7 in the compile_expansions.yml.
         if [ "${is_patch}" = "true" ] && [ "${bypass_compile|false}" = "true" ]; then
           echo "Skipping binary version check since we are bypassing compile in this patch build."
           exit 0
@@ -1339,7 +1339,7 @@ functions:
         set -o verbose
 
         # We get the raw version string (r1.2.3-45-gabcdef) from git
-        MONGO_VERSION=$(git describe)
+        MONGO_VERSION=$(git describe --abbrev=7)
         # If this is a patch build, we add the patch version id to the version string so we know
         # this build was a patch, and which evergreen task it came from
         if [ "${is_patch}" = "true" ] && [ "${bypass_compile|false}" = "false" ]; then
diff --git a/etc/longevity.yml b/etc/longevity.yml
index 909c58245bb..b7eef4ac334 100644
--- a/etc/longevity.yml
+++ b/etc/longevity.yml
@@ -201,7 +201,7 @@ tasks:
           set -o verbose
 
           # We get the raw version string (r1.2.3-45-gabcdef) from git
-          MONGO_VERSION=$(git describe)
+          MONGO_VERSION=$(git describe --abbrev=7)
           # If this is a patch build, we add the patch version id to the version string so we know
           # this build was a patch, and which evergreen task it came from
           if [ "${is_patch|}" = "true" ]; then
diff --git a/etc/perf.yml b/etc/perf.yml
index a67db088f6f..4603f33f2bc 100644
--- a/etc/perf.yml
+++ b/etc/perf.yml
@@ -93,7 +93,7 @@ functions:
           chmod +x mongo
           git clone git@github.com:mongodb/mongo-perf.git perf
           cd perf
-          git describe --tags
+          git describe --abbrev=7 --tags
     - command: shell.exec
       params:
         background: true
@@ -249,7 +249,7 @@ tasks:
           set -o verbose
 
           # We get the raw version string (r1.2.3-45-gabcdef) from git
-          MONGO_VERSION=$(git describe)
+          MONGO_VERSION=$(git describe --abbrev=7)
           # If this is a patch build, we add the patch version id to the version string so we know
           # this build was a patch, and which evergreen task it came from
           if [ "${is_patch|}" = "true" ]; then
diff --git a/etc/system_perf.yml b/etc/system_perf.yml
index f4986b8d05a..8b38c5eb5c7 100644
--- a/etc/system_perf.yml
+++ b/etc/system_perf.yml
@@ -79,12 +79,12 @@ functions:
           set -o verbose
 
           # We get the raw version string (r1.2.3-45-gabcdef) from git
-          MONGO_VERSION=$(git describe)
+          MONGO_VERSION=$(git describe --abbrev=7)
 
           # If we're going to compile the upstream wtdevelop repository for wiredtiger, add
           # that githash to version string.
           if [ "${compile-variant|}" = "-wtdevelop" ]; then
-            WT_VERSION=$(cd src/third_party/wtdevelop; git describe | cut -c 9-)
+            WT_VERSION=$(cd src/third_party/wtdevelop; git describe --abbrev=7 | cut -c 9-)
             MONGO_VERSION="$MONGO_VERSION-wtdevelop-$WT_VERSION"
           fi
           # If this is a patch build, we add the patch version id to the version string so we know