Convert all entrypoint "echo"s to "printf"#1024
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yosifkit merged 1 commit intodocker-library:masterfrom Dec 21, 2022
Merged
Convert all entrypoint "echo"s to "printf"#1024yosifkit merged 1 commit intodocker-library:masterfrom
yosifkit merged 1 commit intodocker-library:masterfrom
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The use of the `echo` shell built-in has been actively discouraged for a long time, but it's really convenient so we keep doing it. This converts them all to use `printf` appropriately such that we avoid issues like `echo "$someVar"` from doing the wrong thing if `$someVar` is `-n` or similar.
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Changes: - docker-library/postgres@7a852f4: Merge pull request docker-library/postgres#1024 from infosiftr/no-echo - docker-library/postgres@7e5e7ec: Convert all entrypoint "echo"s to "printf" - docker-library/postgres@f8827c3: Update generated README
stanhu
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docker-library#1024 converted all `echo` calls to `printf`, but this change causes the password file used by `initdb` to be blank rather than contain a single new line. As a result, `initdb` will fail to start with an empty value with the error: ``` initdb: error: password file "/dev/fd/63" is empty ``` `POSTGRES_PASSWORD` can be blank if `POSTGRES_HOST_AUTH_METHOD=trust` is used. This change adds a newline to restore the original behavior. Closes docker-library#1025
stanhu
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docker-library#1024 converted all `echo` calls to `printf`, but this change causes the password file used by `initdb` to be blank rather than contain a single newline. As a result, `initdb` will fail to start with an empty value with the error: ``` initdb: error: password file "/dev/fd/63" is empty ``` `POSTGRES_PASSWORD` can be blank if `POSTGRES_HOST_AUTH_METHOD=trust` is used. This change adds a newline to restore the original behavior. Closes docker-library#1025
bicrypt
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Mar 18, 2023
docker-library/postgres#1024 converted all `echo` calls to `printf`, but this change causes the password file used by `initdb` to be blank rather than contain a single newline. As a result, `initdb` will fail to start with an empty value with the error: ``` initdb: error: password file "/dev/fd/63" is empty ``` `POSTGRES_PASSWORD` can be blank if `POSTGRES_HOST_AUTH_METHOD=trust` is used. This change adds a newline to restore the original behavior. Closes #1025
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The use of the
echoshell built-in has been actively discouraged for a long time, but it's really convenient so we keep doing it. This converts them all to useprintfappropriately such that we avoid issues likeecho "$someVar"from doing the wrong thing if$someVaris-nor similar.Closes #1023