fix: use pip3 if available

package.json

@@ -32,17 +32,19 @@
   },
   "prettier": "prettier-config-atomic",
   "dependencies": {
-    "@actions/exec": "^1.1.0",
     "@actions/core": "^1.5.0",
+    "@actions/exec": "^1.1.0",
     "@actions/io": "^1.1.1",
     "@actions/tool-cache": "^1.7.1",
     "hasha": "^5.2.2",
-    "semver": "^7.3.5"
+    "semver": "^7.3.5",
+    "which": "^2.0.2"
   },
   "devDependencies": {
     "@types/jest": "^27.0.1",
     "@types/node": "^16.9.1",
     "@types/semver": "^7.3.8",
+    "@types/which": "^2.0.1",
     "cross-env": "7.0.3",
     "eslint-config-atomic": "^1.16.2",
     "jest": "^27.2.0",

pnpm-lock.yaml

@@ -11,6 +11,7 @@ importers:
       '@types/jest': ^27.0.1
       '@types/node': ^16.9.1
       '@types/semver': ^7.3.8
+      '@types/which': ^2.0.1
       cross-env: 7.0.3
       eslint-config-atomic: ^1.16.2
       hasha: ^5.2.2
@@ -23,6 +24,7 @@ importers:
       terser-config-atomic: ^0.1.1
       ts-jest: ^27.0.5
       typescript: ^4.4.3
+      which: ^2.0.2
     dependencies:
       '@actions/core': 1.5.0
       '@actions/exec': 1.1.0
@@ -30,10 +32,12 @@ importers:
       '@actions/tool-cache': 1.7.1
       hasha: 5.2.2
       semver: 7.3.5
+      which: 2.0.2
     devDependencies:
       '@types/jest': 27.0.1
       '@types/node': 16.9.1
       '@types/semver': 7.3.8
+      '@types/which': 2.0.1
       cross-env: 7.0.3
       eslint-config-atomic: 1.16.2
       jest: 27.2.0
@@ -1546,6 +1550,10 @@ packages:
     resolution: {integrity: sha512-PBjIUxZHOuj0R15/xuwJYjFi+KZdNFrehocChv4g5hu6aFroHue8m0lBP0POdK2nKzbw0cgV1mws8+V/JAcEkQ==}
     dev: true
 
+  /@types/which/2.0.1:
+    resolution: {integrity: sha512-Jjakcv8Roqtio6w1gr0D7y6twbhx6gGgFGF5BLwajPpnOIOxFkakFhCq+LmyyeAz7BX6ULrjBOxdKaCDy+4+dQ==}
+    dev: true
+
   /@types/yargs-parser/20.2.1:
     resolution: {integrity: sha512-7tFImggNeNBVMsn0vLrpn1H1uPrUBdnARPTpZoitY37ZrdJREzf7I16tMrlK3hen349gr1NYh8CmZQa7CTG6Aw==}
     dev: true
@@ -4799,7 +4807,6 @@ packages:
 
   /isexe/2.0.0:
     resolution: {integrity: sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=}
-    dev: true
 
   /isobject/2.1.0:
     resolution: {integrity: sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=}
@@ -8425,7 +8432,6 @@ packages:
     hasBin: true
     dependencies:
       isexe: 2.0.0
-    dev: true
 
   /word-wrap/1.2.3:
     resolution: {integrity: sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==}

src/utils/setup/setupPip.ts

@@ -1,10 +1,12 @@
 import { exec } from "@actions/exec"
+import which from "which"
 
 /** A function that installs a package using pip */
 export async function setupPip(name: string, version?: string) {
-  // pip3 install conan --upgrade
+  // check if it exists
+  const pip = which.sync("pip3", { nothrow: true }) !== null ? "pip3" : "pip"
 
-  const exit = await exec("pip", ["install", "--user", version !== undefined ? `${name}==${version}` : name])
+  const exit = await exec(pip, ["install", version !== undefined ? `${name}==${version}` : name])
   if (exit !== 0) {
     throw new Error(`Failed to install ${name} ${version}`)
   }