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| author | Naïm Favier <n@monade.li> | 2022-05-11 22:00:24 +0200 |
|---|---|---|
| committer | Naïm Favier <n@monade.li> | 2022-05-12 01:44:02 +0200 |
| commit | 88369997e1db7e1819b7b940fc2740f188d6608d (patch) | |
| tree | d05c589c2f01f53ec3f6f76e5d99e97505c56107 /pkgs/build-support/setup-hooks/make-binary-wrapper | |
| parent | 2ae69114a11c6a80a58abc6984fde8851ee8fe40 (diff) | |
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makeBinaryWrapper: add extractCmd
A small shell script that can be used to extract a binary wrapper's makeCWrapper call from its embedded docstring, without depending on makeBinaryWrapper.
Diffstat (limited to 'pkgs/build-support/setup-hooks/make-binary-wrapper')
| -rw-r--r-- | pkgs/build-support/setup-hooks/make-binary-wrapper/default.nix | 6 | ||||
| -rw-r--r-- | pkgs/build-support/setup-hooks/make-binary-wrapper/make-binary-wrapper.sh | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/pkgs/build-support/setup-hooks/make-binary-wrapper/default.nix b/pkgs/build-support/setup-hooks/make-binary-wrapper/default.nix index a78d52fb42c..318624011b7 100644 --- a/pkgs/build-support/setup-hooks/make-binary-wrapper/default.nix +++ b/pkgs/build-support/setup-hooks/make-binary-wrapper/default.nix @@ -3,6 +3,7 @@ , darwin , makeSetupHook , dieHook +, writeShellScript , tests , cc ? stdenv.cc , sanitizers ? [] @@ -18,6 +19,11 @@ makeSetupHook { san = lib.escapeShellArgs (map (s: "-fsanitize=${s}") sanitizers); in "${cc}/bin/cc ${san}"; + # Extract the function call used to create a binary wrapper from its embedded docstring + passthru.extractCmd = writeShellScript "extract-binary-wrapper-cmd" '' + strings -dw "$1" | sed -n '/^makeCWrapper/,/^$/ p' + ''; + passthru.tests = tests.makeBinaryWrapper; }; } ./make-binary-wrapper.sh diff --git a/pkgs/build-support/setup-hooks/make-binary-wrapper/make-binary-wrapper.sh b/pkgs/build-support/setup-hooks/make-binary-wrapper/make-binary-wrapper.sh index ff3f1d3f0c7..6b8f5d60eb6 100644 --- a/pkgs/build-support/setup-hooks/make-binary-wrapper/make-binary-wrapper.sh +++ b/pkgs/build-support/setup-hooks/make-binary-wrapper/make-binary-wrapper.sh @@ -311,8 +311,9 @@ void set_env_suffix(char *env, char *sep, char *suffix) { " } -# Embed a C string which shows up as readable text in the compiled binary wrapper -# documentationString ARGS +# Embed a C string which shows up as readable text in the compiled binary wrapper, +# giving instructions for recreating the wrapper. +# Keep in sync with makeBinaryWrapper.extractCmd docstring() { printf '%s' "const char * DOCSTRING = \"$(escapeStringLiteral " @@ -333,7 +334,7 @@ makeCWrapper $(formatArgs "$@") # formatArgs EXECUTABLE ARGS formatArgs() { - printf '%s' "$1" + printf '%s' "${1@Q}" shift while [ $# -gt 0 ]; do case "$1" in |