Adjust "cpm" install to use hard-coded path

This should fix "cpanm" being mistakenly removed 🙈

I also added some verification of both "cpanm" and "cpm" at least being invokable to help avoid this in the future.

Author: tianon

5.032.001-main,threaded-bullseye/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-main,threaded-buster/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-main-bullseye/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-main-buster/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-slim,threaded-bullseye/Dockerfile

@@ -43,17 +43,17 @@ RUN apt-get update \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && savedPackages="ca-certificates make netbase zlib1g-dev libssl-dev" \
     && apt-mark auto '.*' > /dev/null \
     && apt-mark manual $savedPackages \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
     && rm -fr /var/cache/apt/* /var/lib/apt/lists/* \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-slim,threaded-buster/Dockerfile

@@ -43,17 +43,17 @@ RUN apt-get update \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && savedPackages="ca-certificates make netbase zlib1g-dev libssl-dev" \
     && apt-mark auto '.*' > /dev/null \
     && apt-mark manual $savedPackages \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
     && rm -fr /var/cache/apt/* /var/lib/apt/lists/* \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-slim-bullseye/Dockerfile

@@ -43,17 +43,17 @@ RUN apt-get update \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && savedPackages="ca-certificates make netbase zlib1g-dev libssl-dev" \
     && apt-mark auto '.*' > /dev/null \
     && apt-mark manual $savedPackages \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
     && rm -fr /var/cache/apt/* /var/lib/apt/lists/* \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.032.001-slim-buster/Dockerfile

@@ -43,17 +43,17 @@ RUN apt-get update \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && savedPackages="ca-certificates make netbase zlib1g-dev libssl-dev" \
     && apt-mark auto '.*' > /dev/null \
     && apt-mark manual $savedPackages \
     && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
     && rm -fr /var/cache/apt/* /var/lib/apt/lists/* \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.034.001-main,threaded-bullseye/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /
 

5.034.001-main,threaded-buster/Dockerfile

@@ -22,13 +22,13 @@ RUN true \
     && echo '3e8c9d9b44a7348f9acc917163dbfc15bd5ea72501492cea3a35b346440ff862 *App-cpanminus-1.7046.tar.gz' | sha256sum --strict --check - \
     && tar -xzf App-cpanminus-1.7046.tar.gz && cd App-cpanminus-1.7046 && perl bin/cpanm . && cd /root \
     && cpanm IO::Socket::SSL \
-    && cd /usr/local/bin \
-    && curl -fLO https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm \
+    && curl -fL https://raw.githubusercontent.com/skaji/cpm/0.997011/cpm -o /usr/local/bin/cpm \
     # sha256 checksum is from docker-perl team, cf https://github.com/docker-library/official-images/pull/12612#issuecomment-1158288299
-    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 *cpm' | sha256sum --strict --check - \
-    && chmod +x cpm \
+    && echo '7dee2176a450a8be3a6b9b91dac603a0c3a7e807042626d3fe6c93d843f75610 */usr/local/bin/cpm' | sha256sum --strict --check - \
+    && chmod +x /usr/local/bin/cpm \
     && true \
-    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/*
+    && rm -fr ./cpanm /root/.cpanm /usr/src/perl /usr/src/App-cpanminus-1.7046* /tmp/* \
+    && cpanm --version && cpm --version
 
 WORKDIR /