From 587a13c07ae50c329400f304cb0acfc69cc1745f Mon Sep 17 00:00:00 2001
From: Pierre Millot <pierre.millot@algolia.com>
Date: Thu, 27 Jan 2022 15:03:15 +0100
Subject: [PATCH 1/2] chore: use cache to avoid building specs everytime

---
 scripts/generate.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/scripts/generate.sh b/scripts/generate.sh
index befdfc4e70c..d19c0951dee 100755
--- a/scripts/generate.sh
+++ b/scripts/generate.sh
@@ -13,7 +13,21 @@ GENERATOR="$1-$2"
 
 # build spec before generating client
 build_spec() {
+    # check if file and cache exist
+    cacheFile="specs/dist/$CLIENT.cache"
+    if [[ -f specs/dist/$CLIENT.yml ]]; then
+        cache=$(find specs/$CLIENT -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+        # compare with stored cache
+        if [[ -f $cacheFile && $(cat $cacheFile) == $cache ]]; then
+            echo "> Skipped building spec because the files did not change..."
+            return
+        fi
+    fi
     yarn build:specs $CLIENT
+
+    # store hash
+    cache=$(find specs/$CLIENT -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+    echo $cache > $cacheFile
 }
 
 # Run the pre generation script if it exists.

From 39750225b87b2d42e26b0a302cadaaf60ca2222a Mon Sep 17 00:00:00 2001
From: Pierre Millot <pierre.millot@algolia.com>
Date: Thu, 27 Jan 2022 15:12:54 +0100
Subject: [PATCH 2/2] compare common also

---
 scripts/generate.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scripts/generate.sh b/scripts/generate.sh
index d19c0951dee..cdf5a52056c 100755
--- a/scripts/generate.sh
+++ b/scripts/generate.sh
@@ -11,12 +11,18 @@ LANGUAGE=$1
 CLIENT=$2
 GENERATOR="$1-$2"
 
+compute_hash() {
+    cacheSpec=$(find specs/$CLIENT -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+    cacheCommon=$(find specs/common -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+    echo "$cacheSpec$cacheCommon"
+}
+
 # build spec before generating client
 build_spec() {
     # check if file and cache exist
     cacheFile="specs/dist/$CLIENT.cache"
     if [[ -f specs/dist/$CLIENT.yml ]]; then
-        cache=$(find specs/$CLIENT -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+        cache=$(compute_hash)
         # compare with stored cache
         if [[ -f $cacheFile && $(cat $cacheFile) == $cache ]]; then
             echo "> Skipped building spec because the files did not change..."
@@ -26,7 +32,7 @@ build_spec() {
     yarn build:specs $CLIENT
 
     # store hash
-    cache=$(find specs/$CLIENT -type f -print0 | xargs -0 sha1sum | sha1sum | tr -d ' ')
+    cache=$(compute_hash)
     echo $cache > $cacheFile
 }